diff options
| author | obrien <obrien@FreeBSD.org> | 1999-10-04 08:17:54 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 1999-10-04 08:17:54 +0000 |
| commit | 55f2f61a7b5c896aa6f24aa9d026d740b45b6edb (patch) | |
| tree | 50ded16eb354bed37a52d5661568400841645361 /contrib/libio | |
| parent | 2cef6469c5bfaca5647a9b7478a519d0de7d7b64 (diff) | |
| download | FreeBSD-src-55f2f61a7b5c896aa6f24aa9d026d740b45b6edb.zip FreeBSD-src-55f2f61a7b5c896aa6f24aa9d026d740b45b6edb.tar.gz | |
Virgin import of EGCS 1.1.2's libio -- the C++ iostream facility.
Diffstat (limited to 'contrib/libio')
212 files changed, 40909 insertions, 0 deletions
diff --git a/contrib/libio/ChangeLog b/contrib/libio/ChangeLog new file mode 100644 index 0000000..e8f7c95 --- /dev/null +++ b/contrib/libio/ChangeLog @@ -0,0 +1,2629 @@ +Sun Mar 14 02:38:07 PST 1999 Jeff Law (law@cygnus.com) + + * egcs-1.1.2 Released. + +Fri Mar 5 01:13:45 1999 H.J. Lu (hjl@gnu.org) + + * config/linuxlibc1.mt (MT_CFLAGS): Add -D_G_STDIO_USES_LIBIO + -D_G_HAVE_WEAK_SYMBOL. + + * genops.c: Add the proper weak alias if _G_STDIO_USES_LIBIO + and _G_HAVE_WEAK_SYMBOL are defined. + * iofclose.c: Likewise. + * iofeof.c: Likewise. + * ioferror.c: Likewise. + * iogetc.c: Likewise. + * ioputc.c: Likewise. + * iovsprintf.c: Likewise. + * iovsscanf.c: Likewise. + +Mon Nov 23 09:44:26 1998 Richard Henderson <rth@cygnus.com> + + * configure.in: Append mh-ppcpic and mh-elfalphapic as appropriate. + +1998-08-25 14:34 Ulrich Drepper <drepper@cygnus.com> + + * libio/iogetline.c (_IO_getline_info): Don't read anything for + N == 0. Patch by HJ Lu. + +1998-08-17 Ulrich Drepper <drepper@cygnus.com> + + * strfile.h: Define __PMT if not already defined. + +1998-08-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * libioP.h: Use __PMT in typedefs. + * strfile.h: Likewise. + +1998-06-29 Ulrich Drepper <drepper@cygnus.com> + + * libio.h: Rewrite __PMT change so that it works with platforms + defining __P but not __PMT. + + * libio.h (__PMT): New macro. Defined like __P. Use is for + function pointers. + +1998-06-27 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (install): Remove superfluous /include. + +1998-06-26 Manfred Hollstein <manfred@s-direktnet.de> + + * config.shared (FLAGS_TO_PASS): Add gcc_version_trigger. + (Makefile): Add dependency upon $(gcc_version_trigger). + +1998-06-24 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (install): Install _G_config.h depending on new flag + --enable-version-specific-runtime-libs. + * config/linux.mt (gxx_include_dir): Remove definition here as we use + gcc's default anyway. + +1998-06-24 Manfred Hollstein <manfred@s-direktnet.de> + + * config.shared (FLAGS_TO_PASS): Add gcc_version. + +1998-06-19 Manfred Hollstein <manfred@s-direktnet.de> + + * config.shared (FLAGS_TO_PASS): Add libsubdir. + +1998-06-07 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * genops.c (__underflow): Read character from read pointer as unsigned. + (__uflow): Likewise. + +1998-05-22 Ulrich Drepper <drepper@cygnus.com> + + * strops.c (_IO_str_underflow): Read newly available character + from buffer as unsigned. + +Sun Apr 19 22:13:36 1998 H.J. Lu (hjl@gnu.org) + + * isgetline.cc (istream::get): Fix a typo. + +Thu Mar 5 09:23:28 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * configure.in: Make locating frag files failsafe even for the + special case if configuring and building in srcdir. + +1998-02-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + Changes for _G_IO_IO_FILE_VERSION == 0x20001: + * libioP.h (_IO_showmanyc_t, _IO_SHOWMANYC, _IO_imbue_t, + _IO_IMBUE): New definitions. + (struct _IO_jump_t): Add __showmanyc and __imbue fields. + (_IO_file_fopen): Add new fourth argument. + * filebuf.cc (filebuf::open): Pass new fourth argument to + _IO_file_fopen. + * iolibio.h (_IO_freopen): Likewise. + * streambuf.cc (streambuf::showmanyc, streambuf::imbue): New + functions. + * streambuf.h (_IO_wchar_t): Define to _G_wchar_t. + (ios::fill): Remove casts. + (struct streambuf): Add showmanyc and imbue members. + + * iostream.cc (ostream::operator<<(double n)) [__GLIBC_MINOR__ >= + 1]: Initialize new fields is_char of struct printf_info. + (ostream::operator<<(long double n)) [__GLIBC_MINOR__ >= 1]: + Likewise. + +Sun Feb 22 17:24:53 1998 Jeffrey A Law (law@cygnus.com) + + * config.shared: Bring back changes from Ian and Fred that were + accidentally clobbered. Should eliminate the need for Dave's + recent change. + +Tue Feb 17 21:56:25 1998 H.J. Lu (hjl@gnu.org) + + * config/linux.mt (IO_OBJECTS): Add iogetline.o. + * config/linuxlibc1.mt: Ditto. + + * iogetline.c (_IO_getline_info): Renamed from _IO_getline. + (_IO_getline): Just call _IO_getline_info. + + * isgetline.cc (istream::getline, istream::get, _sb_readline): + Call _IO_getline_info instead of _IO_getline and get the EOF + information. + * sbgetline.cc (streambuf::sgetline): Ditto. + + * libioP.h (_IO_getline_info): New declaration. + + * iogetline.c (_IO_getline): Handle the case when there is no + buffer. + +Fri Feb 13 00:57:20 1998 Krister Walfridsson (cato@df.lth.se) + + * fileops.c: #include <unistd.h>. + * ioprims.c: Likewise. + +1998-02-10 Mark Mitchell <mmitchell@usa.net> + + * iostream.cc (ostream::operator<<(long double)): Don't use + labeled initializers. + +Fri Feb 6 01:35:56 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * config.shared (FLAGS_TO_PASS): Don't emit PICFLAG. + (.c.o): Check value of enable_shared, not PICFLAG. + (.C.o): Dito. + (.cc.o): Dito. + (stamp-picdir): Dito. + +Thu Feb 5 17:41:26 1998 Dave Brolley <brolley@cygnus.com> + + * config.shared (LIBS): Change to -L../../libstdc++ (was -L../libstdc++) + if ${DOING_GPERF} is true. + +1998-01-20 Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) + + * iostream.cc (istream::operator>>(long double&)) + [!_G_HAVE_LONG_DOUBLE_IO]: Scan value into separate variable, in + case long double is bigger than double. + (ostream::operator<<(double)) [_G_HAVE_PRINTF_FP]: Fix order of + initializers of struct printf_info to match declaration order, + to work around g++ bug. + (ostream::operator<<(long double)) [_G_HAVE_PRINTF_FP]: Likewise. + + * gen-params: Add missing quotes. Avoid useless use of command + substitution. + +Sun Feb 1 13:29:47 1998 H.J. Lu (hjl@gnu.org) + + * filebuf.cc (filebuf::open): Call _IO_file_open if + _G_HAVE_IO_FILE_OPEN is 1. + + * libio.h (_IO_fpos64_t, _IO_off64_t): Defined if + _G_IO_IO_FILE_VERSION == 0x20001. + + * libioP.h (_IO_file_open): New declaration. + + * libio.h (_IO_FILE, _IO_stdin_, _IO_stdout_, _IO_stderr_, + _IO_seekoff, _IO_seekpos): Add support for libio in glibc 2.1. + * libioP.h (_IO_seekoff_t, _IO_seekpos_t, _IO_seek_t, + _IO_seekoff, _IO_seekpos, _IO_default_seekoff, + _IO_default_seekpos, _IO_default_seek, _IO_file_seekoff, + _IO_file_seek, _IO_str_seekoff, _IO_pos_BAD, _IO_pos_as_off, + _IO_pos_0): Ditto. + * streambuf.h (streamoff, streampos): Ditto. + + * gen-params (__extension__): Use only if gcc version >= 2.8. + +Sun Feb 1 13:08:18 1998 Krister Walfridsson (cato@df.lth.se) + + * dbz/dbz.c (putconf): Handle systems which use "long long" as type + for "off_t". + * dbz/dbzmain.c (mkfiles): Likewise. + +Wed Jan 28 10:27:11 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * config.shared (FLAGS_TO_PASS): Add gxx_include_dir. + + * stdio/configure.in, tests/configure.in: Update with yesterday's + toplevel configure.in changes. + * testsuite/configure.in: Likewise. + + * config.shared: Fix typo in yesterday's changes. + +Tue Jan 27 23:26:07 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * config.shared: Emit everything which needs to be re-definable + via file descriptor 1; the generic stuff is emitted using redirection + onto fd 2. + + * configure.in (package_makefile_rules_frag): New variable + which is used in the call to config.shared; redirect file descriptor 2 + to ${package_makefile_rules_frag}. + +Tue Jan 27 10:35:22 1998 H.J. Lu (hjl@gnu.org) + + * configure.in (topsrcdir): New. + (CHECK_SUBDIRS, configdirs): Check ${topsrcdir}/gcc instead. + (config-ml.in): Use ${topsrcdir}/config-ml.in. + + * tests/configure.in (topsrcdir): New. + (CHECK): Check ${topsrcdir}/gcc instead. + +Fri Jan 16 00:48:03 1998 Manfred Hollstein <manfred@lts.sel.alcatel.de> + + * config.shared (FLAGS_TO_PASS): Add SHELL. + +Thu Jan 15 00:21:58 1998 Ian Lance Taylor <ian@cygnus.com> + + * configure.in: For *-*-cygwin32*, add a -I for winsup to both + XCINCLUDES and XCXXINCLUDES. + * config.shared: Use ${host_includes} when setting CXXINCLUDES in + the DOING_LIBGXX case. + * Makefile.in (_G_config.h): Pass $(CINCLUDES) in CC and + $(CXXINCLUDES) in CXX when running gen-params. + +Tue Jan 13 21:32:08 1998 H.J. Lu (hjl@gnu.org) + + * configure.in (CHECK_SUBDIRS): Set to testsuite only if + ${srcdir}/../gcc exists. + (configdirs): Include testsuite only if ${srcdir}/../gcc exists. + + * tests/Makefile.in (check): Depend on $(CHECK). + + * tests/configure.in (CHECK): Set to "check-iostream + check-stdio" if ${srcdir}/../../gcc doesn't exists. + +Thu Jan 8 18:09:03 1998 Fred Fish <fnf@cygnus.com> + + * config.shared (THIS_FILE): Really found via TOLIBIO instead + of TOLIBCXX, which is empty when configuring gperf. + (LIBS): When linking gperf, find libstdc++ relative to TO_TOPDIR + instead of hardcoded "../". + +1997-12-12 Brendan Kehoe <brendan@lisa.cygnus.com> + + Don't make gperf depend upon libg++. + * config.shared (TOLIBGCXX) [DOING_GPERF]: Delete. + (LIBS) [DOING_GPERF]: Make it just `-L../libstdc++ -lstdc++'. + +Thu Dec 11 11:20:59 1997 H.J. Lu (hjl@gnu.org) + + * configure.in (target frags): Add *-linux-gnu. + +Fri Dec 5 16:22:15 1997 H.J. Lu (hjl@gnu.org) + + * streambuf.cc (streambuf::~streambuf): Don't delete _lock + for _IO_stdin/_IO_stdout/_IO_stderr. + +Thu Nov 27 01:32:43 1997 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (install): Change gxx_includedir to gcc_include_dir. + * config.shared (gxx_includedir): Remove default definition. + * config/linux.mt: Change gxx_includedir to gxx_include_dir. + * config/linuxaxp1.mt: Likewise. + +Wed Nov 26 16:08:50 1997 Richard Henderson (rth@cygnus.com) + + * configure.in (target frags): Add powerpc*-linux-gnulibc1. + (stdio-lock): Similarly. + + * configure.in (target frags): Add alpha*-linux-gnulibc1. + (pic frags): Its alpha*- not alpha-. + (stdio-lock): Kill everything. Add alpha*-linux-gnulibc1. + * libio.h: Check __GLIBC_MINOR__ to find stdio-lock.h. If not + _IO_MTSAFE_IO & GLIBC, make sure the lock pointer is still there. + * libioP.h: Check __GLIBC_MINOR__ to find libc-lock.h. + + * config/linuxaxp1-libc-lock.h: New file. + * config/linuxaxp1-stdio-lock.h: New file. + * config/linuxaxp1.mt: New file. + + * gen-params (va_list): Check for and use __gnuc_va_list. + (NULL): Work around some linux kernel headers and redefine NULL. + +Mon Nov 24 17:04:18 1997 Michael Meissner <meissner@cygnus.com> + + * stdiostream.cc (sys_read): Declare ch with int type, rather than + without a type. + +Tue Nov 18 09:53:58 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * stdstrbufs.cc (DEF_STDFILE): Use STD_VTABLE. + +Tue Nov 11 01:40:17 1997 Oleg Krivosheev <kriol@fnal.gov> + + * iomanip.h: Fix guiding decls. + +1997-11-05 Brendan Kehoe <brendan@lisa.cygnus.com> + + * libio.h (__P): Name its arg `p' instead of `params'. + Avoids problems with an unchanged Solaris math.h header. + +Wed Oct 29 23:01:47 1997 Jason Merrill <jason@yorick.cygnus.com> + + * gen-params: Override NULL. + +1997-10-27 03:53 Ulrich Drepper <drepper@cygnus.com> + + * stdio-lock.h: Removed. Was never needed. + +Wed Oct 22 19:19:32 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * libio.h (_IO_LOCK_T): Handle glibc 2 when _IO_MTSAFE_IO is + not defined. + + * iovsscanf.c (vsscanf): Make it weak alias of _IO_vsscanf if + __linux__ is defined instead of __ELF__ + + * config/linuxlibc1.mt (USER_INCLUDES): Add libio.h. + +1997-10-15 Ulrich Drepper <drepper@cygnus.com> + + * configure.in: Create compatibility code in bits/libc-lock.h file. + +Thu Oct 9 07:08:41 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * libio.h (_IO_LOCK_T): Handle glibc 2 when _IO_MTSAFE_IO is + not defined. + + * filedoalloc.c (_IO_file_doallocate): Don't call + _IO_cleanup_registration_needed if __linux__ is defined. + + * iofclose.c (fclose): Make it weak alias of _IO_fclose if + __ELF__ is defined. + + * iovsprintf.c (vsprintf): Make it weak alias of _IO_vsprintf + if __ELF__ is defined. + + * iovsscanf.c (vsscanf): Make it weak alias of _IO_vsscanf if + __ELF__ is defined. + + * config/linuxlibc1.mt (MT_CFLAGS): Defined as -D_G_HAVE_MMAP. + (IO_OBJECTS): Add filedoalloc.o fileops.o genops.o iofclose.o + iovsprintf.o iovsscanf.o strops.o. + +Fri Oct 3 10:13:13 1997 Jason Merrill <jason@yorick.cygnus.com> + + * iostream.cc, libio.h: Convert other uses of #ifdef + _G_HAVE_PRINTF_FP to #if. + +1997-10-02 Brendan Kehoe <brendan@lisa.cygnus.com> + + * iostream.cc (operator<<): Use `#if _G_HAVE_PRINTF_FP', not ifdef. + +Thu Oct 2 10:36:49 1997 Jason Merrill <jason@yorick.cygnus.com> + + * gen-params: Fix __printf_fp test. + * config/linuxlibc1.mt (gxx_includedir): Don't define. + +Thu Oct 2 10:36:26 1997 Ulrich Drepper <drepper@rtl.cygnus.com> + + * config/linuxlibc1.mt (_G_CONFIG_H): Don't define. + * gen-params: Add test for __printf_fp. + +Sun Sep 28 12:09:04 1997 Mark Mitchell <mmitchell@usa.net> + + * iomanip.h: Use new friend <> syntax. + +Sun Sep 28 12:04:21 1997 Jason Merrill <jason@yorick.cygnus.com> + + * libio.h: Don't use _IO_LOCK_T if it's not defined. + +Fri Sep 26 20:56:41 1997 + + Based on a patch by H.J. Lu (hjl@gnu.ai.mit.edu). + + * Makefile.in (STDIO_OBJECTS): New. Defined as stdfiles.o. + (LIBIO_OBJECTS): Add $(STDIO_OBJECTS). + (PICFLAG): New, empty. moved to here from config.shared. + + * config.shared (DISTCLEAN): Add target-mkfrag. + (PICFLAG): Removed. + + * configure.in (*-linux-gnulibc1): Remove warning. + (*-linux-gnu): Use linux.mt mtsafe.mt. + (alpha-*-linux*): Use mh-elfalphapic. + + * gen-params (_G_ullong): Also check unsigned long long int. + (_G_llong): Also check long long int. + + * libio.h (_IO_lock_t): Add support for the Linux libc 5. + (_IO_peekc): Defined as _IO_peekc_unlocked if _IO_MTSAFE_IO + is not defined. + + * iostream.cc (__cvt_double): Fix a typo in declaration. + (info): Use expr != 0 to initialize the bit fields. Don't + initialize "extra" for the Linux libc 5. + + * streambuf.h (_G_NEED_STDARG_H): Changed from _IO_NEED_STDARG_H. + + * config/linux.mt (STDIO_OBJECTS): New, empty. + (MT_CFLAGS): Removed. + + * config/linuxlibc1.mt: Rewrite. it's identical to linux.mt but + IO_OBJECTS mentions files not in early libc5 versions. + + * config/mtsafe.mt: New. + + * dbz/Makefile.in (check): Support make -j. + + * tests/tFile.cc (tempfile): Fix a typo. + +1997-09-19 11:52 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (LIBIO_OBJECTS): Depend on _G_CONFIG_H. + +1997-09-17 04:08 Ulrich Drepper <drepper@cygnus.com> + + * iostream.cc: Add forward declaration for __cvt_double. + * libio.h: Define _IO_USE_DTOA is _G_HAVE_PRINTF_FP is not defined. + * strops.c (_IO_str_count): Correct last change. + +1997-09-17 02:50 Ulrich Drepper <drepper@cygnus.com> + + * libioP.h: Define __set_errno if not already defined. + +1997-09-15 02:37 Ulrich Drepper <drepper@cygnus.com> + + * config/linux.mt: Rewrite for use with glibc 2. + * config/linuxlibc1.mt: Old content of linux.mt, fir libc4 and + libc5. + + * config.shared (COMPILE.c): Allow new flags in MT_CFLAGS be + passed. + (COMPILE.cc): Likewise. + + * configure.in (*-linux*): Remove goal. We now have... + (*-linux-gnulibc1): For libc4 and libc5. Emit warning. + (*-linux-gnu)): For glibc 2. + Create links to find headers for multi-threading if necessary. + + * fileops.c: Make thread-safe by using _IO_cleanup_region_start + etc to handle cancelation. Acquire locks in functions which are + called directly. + (_IO_file_read, _IO_file_write): Remove dead code. + + * include/empty.h: Define stub macros for locking. + + * iolibio.h: Add prototypes for obstack printing functions. + + * ioseekoff.c (_IO_seekoff): Lock stream before working. + * ioseekpos.c (_IO_seekpos): Likewise. + + * iostream.cc: Add support for long double I/O. + Use __printf_fp from glibc is available. + Use _IO_cleanup_region_start to handle cancelation correctly. + * iostream.h (class ostream): Change opfx and osfx to lock/unlock + stream + (class istream): Likewise for ipfx, ipfx0, ipfx1, and isfx. + Declare new function lock and unlock for ostream and istream. + * osform.cc: Use _IO_cleanup_region_start to handle cancelation + correctly. + + * libio.h: Update from glibc version. Pretty printing. + * libioP.h: Likewise. + + * outfloat.c: Only compile if _IO_USE_DTOA is defined. + + * stdio/feof.c: Make thread safe. + * stdio/ferror.c: Likewise. + * stdio/getc.c : Likewise. + * stdio/putc.c : Likewise. + * stdio/stdio.h: Declare function of thread-safe API. + + * stdio/obprintf.c: New file. + * stdio/vasprintf.c: New file. + + * stdio-lock.h: Removed. + + * stdstrbufs.c: Add definitions for thread-safe streams. + + * streambuf.cc: Initialize lock. + + * strops.c (_IO_str_count): Undo last change. + + * tests/tFile.cc: Support parallel builds by avoiding fixed + name for test file. + +Thu Sep 11 18:43:56 1997 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (iostream.list): Remove STDIO_WRAP_OBJECTS. + +Mon Sep 8 01:30:27 1997 Weiwen Liu <liu@hepunix.physics.yale.edu> + + * libio.h: Fix typo. + +Sun Sep 7 23:00:18 1997 Jim Wilson (wilson@cygnus.com) + + * linux.mt (LIBIOSTREAM_DEP): Change stdio.list to stmp-stdio. + +Fri Sep 5 09:58:43 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * Makefile.in (iostream.list): Instead of adding stdio.list, add + STDIO_WRAP_OBJECTS. + (iostream.list): Lose dependency on stmp-stdio, not necessary for + our stuff. The stdio stuff is present here just for uniformity + with glibc. + +Thu Sep 4 17:26:22 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * parsestream.cc (general_parsebuf): Cast return of malloc to char*. + +1997-09-04 16:11 Ulrich Drepper <drepper@cygnus.com> + + Change compared to version initially intended to in: + * strops.c (_IO_str_count): Still use _IO_write_ptr, not + _IO_write_end, for now. + + * iofeof.c, ioferror.c, iofflush_u.c, iogetc.c, ioputc.c, peekc.c, + stdio-lock.h: New files. + + * include: New dir. + * include/empty.h: New header. + + * filedoalloc.c: Update and reformat copyright. + Don't use DEFUN. + Use __set_errno throughout the code to support multi-threaded + programs. + Correct layout to follow the Coding Standard. + Add casts to prevent warnings. + * fileops.c: Likewise. + * genops.c: Likewise. + * iofclose.c: Likewise. + * iofdopen.c: Likewise. + * iofflush.c: Likewise. + * iofgetpos.c: Likewise. + * iofgets.c: Likewise. + * iofopen.c: Likewise. + * iofprintf.c: Likewise. + * iofputs.c: Likewise. + * iofread.c: Likewise. + * iofsetpos.c: Likewise. + * ioftell.c: Likewise. + * iofwrite.c: Likewise. + * iogetdelim.c: Likewise. + * iogetline.c: Likewise. + * iogets.c: Likewise. + * iopadn.c: Likewise. + * iopopen.c: Likewise. + * ioputs.c: Likewise. + * ioseekoff.c: Likewise. + * iosetbuffer.c: Likewise. + * iosetvbuf.c: Likewise. + * iosprintf.c: Likewise. + * ioungetc.c: Likewise. + * iovsprintf.c: Likewise. + * iovsscanf.c: Likewise. + * libio.h: Likewise. + * libioP.h: Likewise. + * stdfiles.c: Likewise. + * strfile.h: Likewise. + * strops.c: Likewise. + + * Makefile.in (IO_OBJECTS): Add peekc.o, iogetc.o, ioputc.o, + iofeof.o, and ioferror.o. + (iostream.list): Depend upon stmp-stdio. Add the entries + from stdio.list to iostream.list. + (stmp-stdio): New name for what was the stdio/stdio.list rule. + All it now does is cd down into stdio and build stdio.list. + + * configure.in (ALL): Add libiostream.a. + + * libio.h [_IO_MTSFE_IO]: Include header declaring locking code. + Otherwise define opaque _IO_lock_t. + Define _IO_cookie_file. + Rename _IO_getc to _IO_getc_unlocked, _IO_peekc to _IO_peekc_unlocked, + _IO_putc to _IO_putc_unlocked, _IO_feof to _IO_feof_unclocked, and + _IO_ferror to _IO_ferror_unlocked. + Add prototypes for _IO_getc, _IO_putc, _IO_feof, _IO_ferror, + and _IO_peekc_locked. + Add declarations for _IO_flockfile, _IO_funlockfile, and + _IO_ftrylockfile. If !_IO_MTSAFE_IO define _IO_flockfile, + _IO_funlockfile, _IO_ftrylockfile, _IO_cleanup_region_start, and + _IO_cleanup_region_end as empty macros. + + * libioP.h: Change type of finish function to take an additional int + argument and change declaration of finish functions. + Add prototypes for _IO_seekoff and _IO_seekpos. + If _G_HAVE_MMAP is defined use stream buffers allocated with mmap. + Redefine FREE_BUF and ALLOC_BUF macros to help in both situations. + (FILEBUF_LITERAL): If we compile for a thread-safe library also + initialize lock member. + + * filedoalloc.c: Take care for systems already defining _POSIX_SOURCE. + Keep name space clean on systems which require this. + (_IO_file_doallocate): Adopt ALLOC_BUF call for changed semantic. + + * fileops.c: Keep name space clean on systems which require this. + (_IO_file_attach): Don't fail if seek failed because it's used on a + pipe. + (_IO_file_underflow): Update buffer pointers before calling `read' + since the `read' might not return anymore. + (_IO_file_overflow): If stream allows no writes set error flag. + (_IO_seekoff): Make sure that after flushing the file pointer in + the underlying file is exact. + (_IO_file_read): Don't restart `read' syscall if it return EINTR. + This violates POSIX. + (_IO_file_write): Likewise for `write'. + (_IO_cleanup): Install as exit handler in glibc. + + * genops.c (_IO_setb): Correctly use FREE_BUF. + (_IO_default_doallocate): Correctly use ALLOC_BUF. + (_IO_init): Initialize lock in stream structure. + (_IO_default_finish): Destroy lock. + (_IO_get_column): Don't compile since it's not needed. + (_IO_nobackup_default): Likewise. + + * iopopen.c: Take care for systems already defining _POSIX_SOURCE. + Correct _IO_fork and _IO_dup2 prototypes. + + * iofclose.c: Acquire lock before starting the work. + * iofflush.c: Likewise. + * iofgetpos.c: Likewise. + * iofgets.c: Likewise. + * iofputs.c: Likewise. + * iofread.c: Likewise. + * iofsetpos.c: Likewise. + * ioftell.c: Likewise. + * iofwrite.c: Likewise. + * iogetdelim.c: Likewise. + * iogets.c: Likewise. + * ioputs.c: Likewise. + * iosetbuffer.c: Likewise. + * iosetvbuf.c: Likewise. + * ioungetc.c: Likewise. + + * iofdopen.c: Create and initialize lock for new stream. + * iofopen.c: Likewise. + * iopopen.c (_IO_popen): Likewise. + * iovsprintf.c: Likewise. + * iovsscanf.c: Likewise. + + * genops.c: Make weak aliases for various functions. + * iofclose.c: Likewise. + * iofdopen.c: Likewise. + * iofflush.c: Likewise. + * iofgetpos.c: Likewise. + * iofgets.c: Likewise. + * iofopen.c: Likewise. + * iofputs.c: Likewise. + * iofread.c: Likewise. + * iofsetpos.c: Likewise. + * ioftell.c: Likewise. + * iofwrite.c: Likewise. + * iogetdelim.c: Likewise. + * iogets.c: Likewise. + * ioputs.c: Likewise. + * iosetbuffer.c: Likewise. + * iosetvbuf.c: Likewise. + * ioungetc.c: Likewise. + * iovsprintf.c: Likewise. + * iovsscanf.c: Likewise. + + * iofflush_u.c: New file. fflush_unlocked implementation. + + * iostream.h [_G_HAVE_LONG_DOUBLE_IO]: Declare real long double + output operator. + + * peekc.c: New file. Implement _IO_peekc_locked function. + + * stdfiles.c: If we compile for a thread-safe library also define + lock variable. + +Tue Aug 26 12:24:01 1997 H.J. Lu (hjl@gnu.ai.mit.edu) + + * testsuite/Makefile.in (check): Don't depend on site.exp. + (just-check): Depend on site.exp. + +Wed Aug 20 02:01:34 1997 Jason Merrill <jason@yorick.cygnus.com> + + * iostream.h: Add copy assignment ops for _IO_?stream_withassign. + +Tue Jul 22 10:31:41 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * config.shared (CHECK_SUBDIRS): Use install-sh, not install.sh. + +Wed Jun 25 12:20:55 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * config.shared (DOING_GPERF): Look for this, defining TOLIBGXX + and LIBS for it. + +Wed Jun 18 11:03:34 1997 Bob Manson <manson@charmed.cygnus.com> + + * config.shared (FLAGS_TO_PASS): Don't include RUNTEST. + +Tue Jun 17 22:23:48 1997 Bob Manson <manson@charmed.cygnus.com> + + * config.shared (FLAGS_TO_PASS): Pass RUNTEST and RUNTESTFLAGS. + +Fri May 16 21:08:53 1997 Bob Manson <manson@charmed.cygnus.com> + + * iovfprintf.c: Declare __cvt_double before use. + + * floatconv.c (d2b): Use _G_int32_t instead of int for the + e and bits parameters. + (_IO_strtod): Use _G_int32_t. + + * gen-params: Look for NO_USE_DTOA and USE_INT32_FLAGS. + + * strops.c (_IO_str_init_static): use _G_int32_t appropriately. + + * libio.h: If _G_NO_USE_DTOA is set, then don't define + _IO_USE_DTOA. + + * config/mn10200.mt: Don't use dtoa, it only works + for "real" doubles. + +Thu May 15 17:44:12 1997 Bob Manson <manson@charmed.cygnus.com> + + * configure.in: Set CHECK_SUBDIRS to testsuite if we're doing + a cross compile. + + * config.shared(check): Only run make check in the directories + specified by CHECK_SUBDIRS. Set CHECK_SUBDIRS to SUBDIRS + if it has no previous value. + +Thu May 1 17:35:19 1997 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (test, tpipe): Add $(CFLAGS). + +Wed Apr 30 12:16:29 1997 Jason Merrill <jason@yorick.cygnus.com> + + * configure.in: Don't turn on multilib here. + +Sat Apr 26 13:38:21 1997 Bob Manson <manson@charmed.cygnus.com> + + * configure.in (configdirs): Add testsuite directory. + + * testsuite/ChangeLog: + * testsuite/Makefile.in: + * testsuite/libio.tests/tiomanip.exp: + * testsuite/libio.tests/tstdiomisc.exp: + * testsuite/libio.tests/tiomisc.exp: + * testsuite/libio.tests/tFile.exp: + * testsuite/libio.tests/tfformat.exp: + * testsuite/libio.tests/tiformat.exp: + * testsuite/libio.tests/hounddog.exp: + * testsuite/libio.tests/putbackdog.exp: + * testsuite/configure.in: + * testsuite/lib/libio.exp: + * testsuite/config/default.exp: + New files for DejaGnu-style testsuite. + +Fri Apr 4 03:16:44 1997 Ulrich Drepper <drepepr@cygnus.com> + + * configure.in: Enable multilibing by default. + Update multilib template to read config-ml.in. + + * floatconv.c: Enable use in cross targets which use the + newlib ieeefp.h header. + +Thu Jan 23 09:16:16 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * libioP.h (_IO_file_attach): Delete redundant decl. + +Tue Jan 21 22:13:45 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * streambuf.h (class ios): Take out STREAMSIZE member, since we + only need (and should only have) the global one. + +Tue Jan 7 14:02:40 1997 Jason Merrill <jason@yorick.cygnus.com> + + * iostream.h (long long fns): Use __extension__. + + * gen-params: Use _G_llong and _G_ullong instead of long long for + deduced types. + +Fri Dec 6 13:13:30 1996 Jason Merrill <jason@yorick.cygnus.com> + + * dbz/dbz.c: Use off_t. + +Sat Nov 23 15:44:37 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (install): Don't install _G_config.h with other headers. + +Mon Nov 18 17:12:41 1996 Jason Merrill <jason@yorick.cygnus.com> + + * config.shared (SUBDIRS): Use -O instead of -O3 for debugging. + +Sun Nov 3 12:43:34 1996 Jason Merrill <jason@yorick.cygnus.com> + + * iostream.cc (write_int): Treat string literals as const. + +Thu Sep 26 10:09:18 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * depend: Regenerate. + +Wed Sep 25 22:54:45 1996 Jason Merrill <jason@yorick.cygnus.com> + + * config.shared (depend.new): Deal with headers that don't end in .h. + +Thu Aug 29 17:05:53 1996 Michael Meissner <meissner@tiktok.cygnus.com> + + * configure.in (i[345]86-*-*): Recognize i686 for pentium pro. + +Mon Aug 5 01:26:32 1996 Jason Merrill <jason@yorick.cygnus.com> + + * config{ure.in,.shared} (DISTCLEAN): Add multilib.out. + +Fri Aug 2 17:39:35 1996 Jason Merrill <jason@yorick.cygnus.com> + + * libio.h (NULL): Use __null. + * libioP.h (NULL): Ditto. + * streambuf.h (NULL): Ditto. + * ioextend.cc (get_array_element): Use NULL instead of (void*)0. + +Fri Jul 5 18:26:41 1996 Jim Wilson <wilson@cygnus.com> + + * strfile.h (struct _IO_streambuf): New struct type. + (struct _IO_strfile): Use it. + +Tue Jun 18 18:24:21 1996 Jason Merrill <jason@yorick.cygnus.com> + + * fstream.h (fstreambase): Make __my_fb mutable. + From Joe Buck. + +Tue Jun 18 11:03:53 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * dbz/fake.c (main): Set return type to int. + * dbz/dbzmain.c (main): Likewise. + * dbz/byteflip.c (main): Likewise. + +Mon Jun 17 14:05:36 1996 Jason Merrill <jason@yorick.cygnus.com> + + * gen-params: Check if clog conflicts with system libraries. + * stdstreams.cc: If it does, use __IO_clog. + * iostream.h: Likewise. + +Tue Jun 11 13:39:31 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * stdiostream.h (istdiostream (FILE*)): Put istream base + initializer before init for __f. + (ostdiostream (FILE*)): Likewise for ostream base init. + +Tue May 14 11:47:21 1996 Per Bothner <bothner@andros.cygnus.com> + + * strfile.h (_IO_str_fields): Removed _len field. + (_IO_STR_DYNAMIC, _IO_STR_FROZEN): new macros. + * strstream.h (strstreambuf::is_static): Removed. + (strstreambuf::frozen): Use _IO_STR_DYNAMIC instead of is_static. + * strstream.h, strstream.cc: Remove support for !_IO_NEW_STREAMS. + * strstream.cc (strstreambuf::init_dynamic): Don't set _s._len. + * strops.c (_IO_str_init_static): Better handling of the + negative (== unbounded) size case. + (_IO_str_overflow, _IO_str_underflow, _IO_str_count): Re-write + to not use _s._len, and otherwise cleanup/fix. + * strstream.h, strstream.cc (strstreambase::strstreambase()): Call + ios::init here. + (other constructors): Simplify - init already called. + +Tue May 14 10:55:21 1996 Per Bothner <bothner@deneb.cygnus.com> + + Change so that strstreambuf default constructor does no allocation. + * strstream.h (strstreambuf::init_dynamic): Default initial size = 0. + * strstream.cc (strstreambuf::init_dynamic): Don't allocate a + buffer (yet) if initial_size is 0. + * strops.c (_IO_str_overflow): Add 100 to size of re-allocated + buffer, to handle case when initial size is 0. + + * iostdio.h (remove, rename, tmpfile, tempnam): Comment out. + +Mon May 13 23:19:39 1996 Per Bothner <bothner@deneb.cygnus.com> + + * fileops.c (_IO_file_close_it): Just call _IO_do_flush rather + than _IO_file_sync, to avoid useless lseek. + +Tue May 14 10:48:48 1996 Jason Merrill <jason@yorick.cygnus.com> + + * floatconv.c (_IO_strtod): Force rv into the stack. + + * config.shared (gxx_includedir): Now $(includedir)/g++. + +Sat Apr 27 02:37:49 1996 Jason Merrill <jason@yorick.cygnus.com> + + * libioP.h (JUMP*): Implement for thunks. + (_IO_jump_t): Add second dummy field for thunks. + +Thu Apr 25 13:20:00 1996 Jason Merrill <jason@yorick.cygnus.com> + + * config.shared (CXX): Use gcc, not g++. + +Wed Apr 24 10:29:50 1996 Doug Evans <dje@blues.cygnus.com> + + * config.shared (depend.new): Delete $(srcdir)/ from foo.{c,cc} + for SunOS VPATH. + * depend: Regenerated. + +Fri Apr 19 17:24:51 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Version 2.8.0b3. + +Wed Apr 10 17:16:01 1996 Jason Merrill <jason@yorick.cygnus.com> + + * configure.in (ALL): Don't build iostream.a. + +Mon Apr 8 14:44:11 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * iosetvbuf.c (_IO_setvbuf): Clear _IO_UNBUFFERED unless _IONBF. + +Mon Apr 8 15:08:23 1996 Ian Lance Taylor <ian@cygnus.com> + + * configure.in: Permit --enable-shared to specify a list of + directories. + +Fri Apr 5 17:48:56 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * config.shared (MOSTLYCLEAN): Also remove ${EXTRA_MOSTLYCLEAN}. + +Fri Mar 22 23:25:00 1996 Ulrich Drepper <drepepr@gnu.ai.mit.edu> + + * genops.c (_IO_sputbackc, _IO_sungetc): Clear EOF flag if putsh + back was successful. + +Wed Mar 27 11:54:08 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Version 2.8.0b2. + +Fri Mar 22 15:39:36 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * fileops.c (_IO_do_write): Revert previous fix. (It fails to + handle the case that fp->_IO_read_end != fp->_IO_write_base.) + (_IO_file_overflow): Instead, if _IO_read_ptr is at the end of + the buffer, reset all the read pointers to _IO_buf_base. + +Tue Mar 12 12:03:17 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * fileops.c (_IO_do_write): Even if to_do==0, must re-set buffer + pointers. Bug and solution from Luke Blanshard <luke@cs.wisc.edu>. + +Wed Feb 28 10:00:24 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Version 2.8.0b1. + +Tue Feb 27 18:08:16 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * iopopen.c (_IO_proc_open): Use (char*)0 rather than imprecise NULL. + + * streambuf.h (ios): Add ios::binary; deprecate ios::bin. + * filebuf.cc (filebuf::open): Handle ios::binary. + +Fri Feb 9 12:40:19 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * cleanup.c (_IO_cleanup_registration_needed) [!_G_HAVE_ATEXIT]: Init + to NULL. + * filedoalloc.c (_IO_cleanup_registration_needed): Remove decl. + +Thu Feb 8 08:12:50 1996 Brendan Kehoe <brendan@cygnus.com> + + * filedoalloc.c (_IO_cleanup_registration_needed): Revert previous + change, since cleanup.c only defines it if _G_HAVE_ATEXIT. + +Wed Feb 7 15:10:17 1996 Brendan Kehoe <brendan@lisa.cygnus.com> + + * filedoalloc.c (_IO_cleanup_registration_needed): Declare as extern. + +Tue Dec 12 17:21:13 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * indstream.h, instream.cc (indirectbuf::uflow): New method. + * indstream.cc (indirectbuf::underflow): Fix to use sgetc, not sbumpc. + Fixes bug reported by Kevin Beyer <beyer@cs.wisc.edu>. + + * indstream.cc (indirectbuf::seekpos): Add paranoia test. + +Fri Dec 8 14:55:34 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * stream.h: Add warning to not use these functions. + * stream.cc (str, chr): Re-implement here (from libg++). + +Tue Nov 28 15:07:01 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * config.shared: Use test instead of [ to avoid DEC Unix lossage. + +Thu Nov 23 14:51:43 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * iopopen.c: Move #include <sys/types.h> ahead of #include <signal.h> + to deal with BSDI's literal implementation of Posix. + +Sat Nov 25 11:21:55 1995 Doug Evans <dje@canuck.cygnus.com> + + * Makefile.in (install): Set rootme. + * config.shared (TOPDIR): Set with ${foo-...} rather than ${foo=...}. + (INSTALL): Handle absolute, dot, relative-not-dot values of srcdir. + (TEXIDIR): Likewise. + +Tue Nov 21 14:12:05 1995 Ian Lance Taylor <ian@cygnus.com> + + * configure.in: Check ${with_cross_host} rather than comparing + ${host} and ${target}. + +Mon Nov 20 13:55:29 1995 Brendan Kehoe <brendan@lisa.cygnus.com> + + * configure.in: Match *-sco3.2v[45]*. + +Wed Nov 15 20:19:31 1995 Brendan Kehoe <brendan@lisa.cygnus.com> + + * config.shared (FLAGS_TO_PASS): Also pass SHLIB and SHCURSES. + +Tue Nov 14 01:41:08 1995 Doug Evans <dje@canuck.cygnus.com> + + * config.shared (TO_REAL_TOPDIR): Define. + (MULTITOP): Deleted. + (MULTISRCTOP, MULTIBUILDTOP): New. + (TOPDIR): Change MULTITOP to MULTIBUILDTOP, and use TO_REAL_TOPDIR. + (INSTALL): Add with_multisrctop, TO_REAL_TOPDIR. + (TEXIDIR): Use TO_REAL_TOPDIR. + (LIBS): Delete MULTITOP. + (FLAGS_TO_PASS): Add NM. + (CXXINCLUDES): Delete MULTITOP. + (depend.new): Delete adding MULTITOP to ../ build tree references. + Add MULTISRCTOP to ../ source tree references. + * configure.in: Delete call to cfg-ml-com.in. Call config-ml.in + instead of cfg-ml-pos.in. + +Sun Nov 12 16:30:48 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * Makefile.in (VERSION): Set to 2.7.1. + * configure.in: Add warning for Linux. + * config.shared (DISTCLEAN): Add EXTRA_DISTCLEAN. + + * editbuf.h (edit_mark::index_in_buffer): Avoid unused param warning. + + * iostream.cc (istream::operator>> (char*)): Improve ANSI compliance. + +Fri Nov 10 08:41:37 1995 Brendan Kehoe <brendan@lisa.cygnus.com> + + * config.shared (check): Add missing semicolon. + +Thu Nov 9 17:27:22 1995 Jason Merrill <jason@yorick.cygnus.com> + + * configure.in (ALL): Remove $(OSPRIM_OBJECTS). + * config.shared (check): Set LD_LIBRARY_PATH. + * NEWS: Fix typo. + * iogetdelim.c (_IO_getdelim): Index *lineptr, rather than lineptr. + From alan@spri.levels.unisa.edu.au (Alan Modra). + +Mon Nov 6 15:03:33 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * streambuf.cc, editbuf.cc, isgetline.cc, parsestream.cc: + Fixes to avoid -Wall warnings. + +Fri Nov 3 16:41:41 1995 Brendan Kehoe <brendan@lisa.cygnus.com> + + * gen-params [!__STDC__]: Include varargs.h instead of stdarg.h. + +Thu Nov 2 15:04:03 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * config.shared: Re-write if X then Y else true fi to (not X) || Y. + +Wed Nov 1 13:26:44 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * iostream.h (istream::ipfx): Add default argument value. + Reported by Yotam Medini <yotam_medini@tmai.com>. + + * libioP.h (_IO_blen): Fix typo. + Reported by Bryan T. Vold <btv@ldl.healthpartners.com>. + +Fri Oct 27 19:26:20 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * Makefile.in (_G_config.h): Set CC to $(CC) rather than to $(CXX), + now that CXX defaults to g++ and CC default to gcc (when found). + * config.shared: Simplify CXX and CC, since they get overridden + by ../configure anyway. + +Wed Oct 25 19:45:50 1995 Brendan Kehoe <brendan@lisa.cygnus.com> + + * iostdio.h: Wrap including the file with #ifndef _IOSTDIO_H. + +Wed Oct 25 11:14:25 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * libio.h (_IO_seekoff, _IO_seekpos): New declarations. + * libioP.h (_IO_seekoff, _IO_seekpos): Remove declarations. + * libioP.h: Cleanup; remove old !_IO_UNIFIED_JUMPTABLES stuff. + + * filebuf.cc (filebuf::~filebuf): Only call SYSYCLOSE if currently + open. Bug found by Martin Gerbershagen <ger@ezis-ulm.de>. + + * streambuf.h (streambuf::pubseekoff, streambuf::pubseekpos): + Added, from ANSI draft. + * filebuf.cc (filebuf::open), iostream.cc (variables places), SFile.cc: + Use pubseekoff/pubseekpos rather than sseekoff/sseekpos. + + * Makefile.in (install): Don't install libiostream.a. + + * filedoalloc.c: Also #include <unistd.h>. + +Mon Oct 9 18:09:54 1995 Jason Molenda <crash@phydeaux.cygnus.com> + + * config.shared (SUFFIXES): add .c. + +Tue Sep 26 16:08:01 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * procbuf.cc: Move #pragma implementation to beginning. + +Wed Sep 20 17:53:33 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * procbuf.h, procbuf.cc: Add #pragma interface/implementation stuff. + +Wed Sep 20 18:59:00 1995 John Eaton <jwe@bevo.che.wisc.edu> + + * procbuf.h: Protect from being included multiple times. + +Wed Sep 20 15:47:14 1995 John Eaton <jwe@bevo.che.wisc.edu> + + * procbuf.h (procbuf): Add '_next' pointer field for compatibility + with _IO_proc_file. + +Wed Sep 20 13:54:02 1995 Ian Lance Taylor <ian@cygnus.com> + + * config.shared: Add support for maintainer-clean target as a + synonym for realclean. + * dbz/Makefile.in: Likewise. + +Mon Sep 11 12:11:19 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * iopopen.c: #include <sys/types.h> before <sys/wait.h>. + This is in accordance with Posix, and needed for ISC. + +Fri Sep 8 00:11:55 1995 Brendan Kehoe <brendan@lisa.cygnus.com> + + * gen-params: Use double quotes in the eval setting $TYPE to + $VALUE, to preserve any single quotes in $VALUE. + +Mon Aug 21 11:39:09 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * gen-params: Test for an appropriate version of gcc before using + mode attributes. + + * config.shared: Add $(PICDIR) to $ALL. + +Mon Aug 7 17:51:40 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * gen-params: Generate new macro _G_HAVE_SYS_CDEFS. + * libio.h: If _G_HAVE_SYS_CDEFS, get __P from <sys/cdefs.h>. + +Fri Aug 4 23:21:17 1995 Paul Eggert <eggert@twinsun.com> + + * gen-params: When following typedef changes, allow typedefs + that do not have a space before the defined type name, + e.g. `typedef void *__gnuc_va_list;' as in Linux. Also, + not require a space in the definiens, e.g. `typedef void*foo;'. + +Thu Aug 3 17:54:15 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * iostream.h, iostream.cc (istream::sync): Added missing method. + +Thu Aug 3 17:49:34 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * configure.in: Remove netbsd special case. + * config/netbsd.mt: Removed; no longer used. + +Tue Jun 20 16:07:12 1995 Paul Eggert <eggert@twinsun.com> + + * gen-params: Take transitive closure of `typedef' relation. + This is needed for BSD/OS 2.0, which has + fpos_t -> off_t -> quad_t -> long long. + +Mon Jul 24 18:28:10 1995 Doug Evans <dje@canuck.cygnus.com> + + * config.shared (TOPDIR): Delete extra '/', $rootme may be empty. + +Sat Jul 22 13:27:45 1995 Doug Evans <dje@canuck.cygnus.com> + + * config.shared (depend.new): Fix quoting in DO NOT EDIT line. + + * Makefile.in (_G_config.h): Add multilib support. + (install): Likewise. + * config.shared: Likewise. + * configure.in: Likewise. + +Wed Jun 28 17:40:25 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * PlotFile.h, SFile.h, builtinbuf.h, editbuf.h, fstream.h, + indstream.h, iomanip.h, iostream.h, parsestream.h, pfstream.h, + procbuf.h, stdiostream.h, stream.h, streambuf.h, strstream.h: Wrap + with extern "C++". + +Thu Jun 22 04:34:01 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * gen-params: Surround attributes with __. + +Mon Jun 19 00:33:22 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * config.shared (SUBDIRS): Massage broken shells that require + 'else true'. + +Sat Jun 17 11:25:38 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * streambuf.h: Declare inline members inline in class. + +Thu Jun 15 20:45:13 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * Makefile.in (VERSION): Update to version 2.7.0. + +Wed Jun 14 21:41:11 1995 Jason Merrill <jason@python.cygnus.com> + + * Makefile.in (STDIO_WRAP_OBJECTS): Remove stdfiles.o. + (LIBIO_OBJECTS): Add stdfiles.o. + +Wed Jun 7 16:11:36 1995 Jason Merrill <jason@python.cygnus.com> + + * config.shared (all): Appease bash. + +Wed Jun 7 11:16:38 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * configure.in (MOSTLYCLEAN): Remove stamp-picdir. + + * config.shared (MOSTLYCLEAN): Ditto. + (CLEAN): Don't. + +Mon Jun 5 18:29:39 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * config/mh-*pic: Removed. + + * configure.in (MOSTLYCLEAN): Remove pic objects. + (frags): Use toplevel pic fragments. + + * config.shared (CXXFLAGS): Use -O3. + (PICFLAG, PICDIR): New macros. + (all): Depend on $(PICDIR). + (FLAGS_TO_PASS): Pass PICFLAG. + (.x.o): Also build pic object. + (stamp-picdir): Create directory for pic objects. + (MOSTLYCLEAN): Remove pic objects. + (CLEAN): Remove stamp-picdir. + + * Makefile.in (iostream.list): Depend on stamp-picdir. + (c++clean): Don't remove _G_config.h. + +Mon Jun 5 15:03:47 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * strstream.h, strstream.cc (strstream::strstream()): Re-implement to + be like ostrstream::ostrestream(), and not leak memory. + + * streambuf.h: Use #if !_IO_UNIFIED_JUMPTABLES instead of #ifndef. + + * iolibio.h (_IO_rewind): Add missing flags when calling _IO_seekoff. + +Thu May 25 22:30:21 1995 J.T. Conklin <jtc@rtl.cygnus.com> + + * config/netbsd.mt (G_CONFIG_ARGS): Add defn for off_t. Another + layer of typedefs has been added and the gen-params script can + not handle it. + +Wed May 10 03:02:58 1995 Jason Merrill <jason@python.cygnus.com> + + * iolibio.h (_IO_rewind): Add new argument to _IO_seekoff. + + * config/linux.mt (LIBIOSTREAM_OBJECTS): Include $(STDIO_WRAP_OBJECTS). + (LIBIOSTREAM_DEP): Include stdio.list. + (LIBIOSTREAM_USE): Include `cat stdio.list`. + + * Makefile.in (LIBIOSTREAM_DEP): New variable. + (LIBIOSTREAM_USE): Ditto. + (libiostream.a): Use them. + (iostream.list): Ditto. + (stdio.list): New rule. + (stdio/stdio.list): Ditto. + +Tue May 9 18:29:38 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * libioP.h (_IO_jump_t): Change TYPE for __dummy from int to + _G_size_t. + +Sat May 6 13:50:37 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * libio.h (_IO_UNIFIED_JUMPTABLES): #define as true. + (_IO_FILE): Remove _jumps field (#if _IO_UNIFIED_JUMPTABLES). + + * libioP.h (enum _IO_seekflags_): Removed. + + * libioP.h (_IO_setbuf_t): Change return value of setpos jumptable + function to match C++ streambuf::setpos. (Return NULL on failure.) + * fileops.c (_IO_file_setbuf), genops.c (_IO_default_setbuf), + filebuf.cc, iosetvbuf.c: Update to use new setbuf conventions. + + * streambuf.h (streambuf): Re-order virtual functions more logically. + * streambuf.cc (streambuf::uflow), streambuf.h: New virtual. + * libioP.h (struct _IO_jump_t): Define using new JUMP_FIELD macro. + And re-order in more logical order consistent with streambuf vtable. + * fileops.c (_IO_file_jumps), iopopen.c (_IO_proc_jumps), iovfprintf.c + (_IO_helper_jumps), streambuf.cc (_IO_streambuf_jumps), strops.c + (_IO_str_jumps): Update accordingly, using JUMP_INIT macro. + * stdfiles.c: Set vtable to point to _IO_file_jumps. + * filebuf.cc, iopopen.c, iovfprintf.c (helper_vfprintf), iovsprintf.c, + iovsscanf.c: Use macros and #if to set jumptables. + + * streambuf.c: _IO_streambuf_jumps and the _IO_sb_* methods are not + needed #if _IO_UNIFIED_JUMPTABLES. + * filebuf.cc (filebuf::__new): Also no longer needed. + * fstream.cc (fstreambase::__fb_init, fstreambase::fstreambase): Fix. + * stdstrbufs.c: Use filebuf vtable instead of builtinbuf's. + * builtinbuf.h, builtinbuf.cc (builtinbuf): Commented out #if + _IO_UNIFIED_JUMPTABLES - no longer needed. + * strstream.cc (SET_STR_JUMPS): Does nothing now. + + * builtinbuf.cc, fileops.c, genops.c, iofgetpos.c, iofsetpos.c, + ioftell.c, iopopen.c, ioseekoff.c, ioseekpos.c, iosetvbuf.c, + iovfprintf.c, iovfscanf.c, strops.c: Use DEFUN and DEFUN_VOID. + * filebuf.cc, fileops.c, genops.c, iopopen.c, ioseekoff.c, ioseekpos.c, + iosetvbuf.c, iovfscanf.c: Use new JUMP_* and IO_OVERFLOW/... macros. + + * libioP.h (_IO_seekpos_t): Third arg is now an int (using _IOS_INPUT + and _IOS_OUTPUT), not an enum _IO_seekflags_. Flags values are + changed, and their sense inverted (to match streambuf::seekpos). + * libioP.h (_IO_seekoff_t): Similarly match streambuf::seekoff. + * filebuf.cc, fileops.c (_IO_file_fopen, _IO_file_seekoff), genops.c + (_IO_default_seekpos, _IO_default_seekpos), iofgetpos.c, iofsetpos.c, + iolibio.h (_IO_fseek), ioftell.c, ioseekoff.c, ioseekpos.c, + iostream.cc, streambuf.cc, strops.c (_IO_str_seekoff), strstream.cc: + New seekpos/seekoff conventions. + * iostreamP.h (convert_to_seekflags): Removed - no longer needed. + + * iolibio.h (_IO_fread): New declaration. + + * dbz/Makefile.in: Re-arrange for cleaner dependencies. + +Fri May 5 15:55:22 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * libioP.h (_IO_JUMPS. JUMP_FIELD, JUMP0, JUMP1, JUMP2, JUMP3, + JUMP_INIT, _IO_FINISH, _IO_OVERFLOW, ... _IO_SYSSTAT): New macros + in preparation for new unified jumptable/vtable implementation. + * cleanup.c, filedoalloc.c, iofclose.c, iofflush.c, iofiledoalloc.c, + ioprims.c, iosetbuffer.c, iostrerror.c, ioungetc.c: Use DEFUN. + * filedoalloc.c, iofclose, iofflush, iosetbuffer.c: Use new macros. + + * iofopen.c, iofdopen.c: Use macros and #if for new jumptables. + + * gen-params: Do not #include <sys/types.h>. + Add missing quote in 'eval'. + Do add #include <sys/types.h> in test for <sys/resource.h>. + * config/netbsd.mt: New file, defining _G_CONFIG_ARGS (for fpos_t). + * configure.in: Use netbsd.mt for NetBSD. + +Wed May 3 15:03:47 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * libioP.h (DEFUN, DEFUN_VOID, AND): New macros, from ansidecl.h. + * iofdopen.c, iofgets.c, iofopen.c, iofputs.c, iofread.c, iofwrite.c, + iogetdelim.c, iogetline.c, iogets.c, ioignore.c, iopadn.c, ioperror.c, + ioputs.c, iovsprintf.c, iovsscanf.c, outfloat.c: Use DEFUN. + +Mon May 1 16:22:30 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * gen-params: #include <sys/types.h>. Don't use __WCHAR_TYPE__ in + definition of _G_wchar_t. Use __attribute__ ((mode)) to get + specific-sized ints under gcc, don't worry about int8 or int64 + otherwise. Provide defaults if deduction fails. + +Thu Apr 27 18:27:53 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * streambuf.h (ios::~ios): Delete _arrays. + (_IO_NEW_STREAMS): Turn on. + * libio.h (__adjust_column): Remove bogus declaration. + * genops.c (_IO_set_column): Fix typo (in commented-out code). + +Tue Apr 25 17:14:29 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * config.shared (CXXINCLUDES): Use a shell variable with a + different name from the make variable. + * configure.in: Update accordingly. + +Mon Apr 17 17:19:40 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * streambuf.h (__adjust_column): Remove redundant declaration. + +Sat Apr 15 11:39:25 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * config.shared (do-clean-dvi): Also remove *.cps. + + * gen-params: Use ${SED} instead of sed. + + * libio.h: Remove #if'd out stuff (confuses makedepend). + + * stdstreams.cc (STD_STR): Standard streams start with ios::dec set. + +Fri Apr 14 23:46:31 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * iostream.h, iostream.cc (istream::read, ostream::write): + Use streamsize for the length parameter. + + * streambuf.h: Removed redundant __overflow and __underflow. + + * fstream.h, fstream.cc: Add void fstreambase::attach(int). + + * iosscanf.c (_IO_sscanf): Fix non-__STDC__ missing declaration. + +Mon Apr 3 15:40:55 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * indstream.*: Fix prototypes of xsputn and xsgetn. + + * fileops.c: Avoid ??? trigraph. + +Mon Mar 27 16:16:38 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * iomanip.h (operator<< (ostream&, const omanip<TP>&): Define + separately. + (operator>> (istream&, const imanip<TP>&): Ditto. + +Mon Mar 27 08:56:00 1995 Brendan Kehoe (brendan@lisa.cygnus.com) + + * builtinbuf.cc (builtinbuf::setbuf): Cast NULL to streambuf*, to + avoid warning/error about conversion from void*. + * indstream.cc (indirectbuf::seekoff): Likewise. + (indirectbuf::seekpos): Likewise. + * filebuf.cc (filebuf::setbuf): Likewise. + (filebuf::close): Cast NULL to filebuf*. + +Wed Mar 1 14:23:18 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * configure.in (DISTCLEAN): Add, with target-mkfrag. + +Fri Feb 24 01:01:08 1995 Jason Merrill <jason@python.cygnus.com> + + * configure.in (frags): Don't require so many dashes in the + canonical target name. + +Sat Feb 18 13:18:30 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * streambuf.cc (streambuf::sync): Always return 0, even for + non-flushed output. This is required by the ANSI/ISO draft. + * genops.c (_IO_sync): Likewise always return 0. + +Fri Feb 17 16:33:28 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * fileops.c (_IO_file_close_it): Call _IO_file_sync, rather + than _IO_do_flush, because we want to adjust the file pointer + if reading and not at end (as in SVR4, and as in fflush). + Also, make sure to return error indication if sync fails. + (_IO_file_sync): Ignore seek error if it is ESPIPE. + (_IO_file_seekoff): If not readable, do dumb lseek. + * iofclose.c (_IO_fclose): If closing a non-filebuf, return -1 + if _IO_ERR_SEEN. + +Fri Feb 17 19:31:00 1995 Ian Lance Taylor <ian@cygnus.com> + + * gen-params: Check for struct tms in <sys/times.h>, defining + HAVE_SYS_TIMES accordingly. + +Wed Feb 15 21:05:11 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * strops.c (_IO_str_count): Use LEN macro. + (_IO_str_seekoff): Update _len field. + +Mon Feb 6 19:29:00 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * gen-params: Default to short, long and long long for 16, 32 and + 64 bit types, in case detection fails. + +Wed Jan 25 18:07:30 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * gen-params (_G_wint_t): Allow for broken promotions. + +Tue Jan 24 16:15:40 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * stdstrbufs.cc (_IO_fake_stdiobufs): Add an extra layer of struct, + to force correct alignment on i960s. + (DEF_STDIOBUF, _IO_{stdin,stdout,stderr}_buf): Update accordingly. + +Thu Jan 19 18:30:53 1995 Jason Merrill <jason@phydeaux.cygnus.com> + + * config.shared (CXXINCLUDES): Add libstdc++ to includes for + building libg++. + (LIBS): Also link with libstdc++ when building libg++ toys. + Don't set EXPORT_ALL_VARIABLES; users will have to set + LD_LIBRARY_PATH themselves. + +Fri Dec 30 16:38:13 1994 Mike Stump <mrs@cygnus.com> + + * config/linux.mt: Fix build problem on linux 1.0.8. + +Thu Dec 22 11:49:45 1994 J.T. Conklin (jtc@phishhead.cygnus.com) + + * config/netware.mt: Use gcc to pre-link iostream.nlm's objects + instead of using nlmconv, so that references to functions in + libgcc.a are resolved. + + * configure.in: Append .mt to target makefile fragment file names. + + * floatconv.c (tens, tinytens, bigtens): Added const qualifier. + +Tue Dec 20 09:59:50 1994 Mike Stump <mrs@cygnus.com> + + * gen-params (VTABLE_LABEL_PREFIX): Since some systems have GNU nm + as nm, and they demangle by default, we have to notice this, and + try --no-cplus (linux) or --no-demangle when running nm. + +Wed Dec 14 18:13:58 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * gen-params: To determine vt-name-mangling using dummy.C add + #include and #prama interface/implementation to avoid problem with + assemblers that don't emit local symbols. Reported under HPUX 8 + by Thomas Arend <arend@blasius.Chemietechnik.Uni-Dortmund.DE>. + + * streambuf.h (ios::ios): Move inline definition after + that of ios::init (which ios::ios calls). + +Sun Dec 4 19:50:32 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * fileops.c (_IO_file_init, _IO_file_close_it, _IO_file_sync): + Set _offset to _IO_pos_BAD, to support applications that follow + POSIX.1 rules on mixing file handles. + + * fileops.c (_IO_file_overflow): Handle case that buffer was + allocated (perhaps by setvbuf) but _IO_write_base is still 0. + + * iostdio.h (setbuffer): #define as _IO_setbuffer. + * streambuf.h, filebuf.cc: Removed filebuf::do_write. + +Tue Nov 29 23:38:57 1994 Per Bothner (bothner@rtl.cygnus.com) + + * floatconv.c (setword0, setword1): Fix typo. + +Tue Nov 29 15:37:29 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * config.shared: Move -fno-implicit-template from CXXFLAGS + to LIBCXXFLAGS. Tests are better run without it. + + * floatconv.c (word0, word1): Re-place/re-implement using unions + instead of casts to avoid optimizer problems. + + * dbz/dbzmain.c: Renamed dirname -> dir_name to avoid OSF + header file braindamage. + +Sat Nov 5 19:44:00 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * config.shared (LIBCFLAGS): Define. + (LIBCXXFLAGS): Define. + (DOING_LIBGXX): Define TOLIBGXX. Change LIBS to use -lg++. Add + LD_LIBRARY_PATH and .EXPORT_ALL_VARIABLES:. + (FLAGS_TO_PASS): Add LIBC{,XX}FLAGS. + (XC{,XX}FLAGS): Set to LIBCFLAGS or CFLAGS depending on $LIBDIR. + (COMPILE.c): Define, use in .c.o rule. + (COMPILE.cc): Define, use in .cc.o rule. + +Sat Nov 5 15:12:12 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * Makefile.in (VERSION): Update to 0.67. + + * streambuf.h (ios::dont_close): Is now set by default. + * fstream.h, fstream.cc (__fb_init): New function. Clears + ios::dont_close. Change fstreambase constructors to call it. + * strstream.cc: *strstream constructors must clear ios::dont_close. + * iostream.cc: Simplify - don't need to set ios::dont_close. + * ioassign.cc: Simplify - assume ios::dont_close is always set. + + * fstream.h, fstream.cc: If _IO_NEW_STREAMS, put the + filebuf as a member __my_fb. + * strstream.{h,cc}: Likewile use a strstreambuf member __my_sb. + * streambuf.h, stdstreams.cc, ioextend.cc: + Fix if _IO_NEW_STREAMS to not use ios::dont_close. + + * streambuf.h (class ios): Move rdbuf later, to avoid + inability of g++ to inline. + * filebuf.cc (filebuf::~filebuf): Call _IO_do_flush. + + * config.shared: Emit rules to make depend. + * depend: New file. + +Fri Nov 4 17:19:11 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * README: Fix typos. + * libio.h: Add comment. Update Copyright notice. + +Fri Nov 4 21:46:30 1994 Paul Eggert <eggert@twinsun.com> + + * libio.h (__P): Change argument name spelling from + `paramlist' to `protos' for compatibility with BSDI 1.1. + +Thu Nov 3 00:45:16 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * config.shared (CXXFLAGS): Add -fno-implicit-templates. + +Mon Oct 24 15:57:35 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * config.shared: Define NOSTDIC and use it for libio too. + +Thu Oct 20 19:45:35 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * iogetdelim.c: #include <stdlib.h>. + +Thu Oct 20 17:09:52 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * iostream.h: Add classes _IO_istream_withassign and + _IO_ostream_withassign. Re-type cin, cout, cerr, clog. + (class iostream): Don't add extra _gcount field. + * ioassign.cc: New file. Implement operator= for cin etc. + * streambuf.h (class ios): Change return type of operator=. + * Makefile.in (IOSTREAM_OBJECTS): Add ioassign.o. + + * Makefile.in: Re-arrange, so linux.mt overrides can work. + + * fileops.c (_IO_file_seekoff): Optimize seeks within buffer. + +Wed Oct 19 14:25:47 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * gen-params (wint_t): Return to using __WCHAR_TYPE__ for + compatibility with gcc versions prior to 2.6.1. + +Tue Oct 18 17:08:18 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * Makefile.in: Define _G_CONFOG_H as _G_config.h for Linux. Use it. + (IO_OBJECTS): Add iogetdelim.o. + * config/linux.mt: New file. + * configure.in: Select config/linux.mt if Linux. + * iogetdelim.c: Verious cleanups, many from + Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>. + * libioP.h: Add _IO_getdelim. Use (void) for no-parameter functions. + +Thu Oct 13 16:30:56 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * libio.h: Rename USE_DTOA to _IO_USE_DTOA for namespace reasons. + * iostream.cc, iovfscanf.c, iovfprintf, floatconv.c: + Update USE_DTOA -> _IO_USE_DTOA. + + * libio.h (_IO_feof, _IO_ferror): Move to here ... + * iolibio: ... from here + + * iostream.cc (istream::get, istream::ignore, istream::read): + Set _gcount to 0 if ipfx0 failed. + + * iostream.cc (flush): Do virtual function call, rather than + going through jumptable. (To get correct method in derived class.) + Bug and fix from John Wiegley <jw@cis.ohio-state.edu>. + + * iofdopen.c (O_ACCMODE): Define using O_RDWR, not O_RDWRITE. + + * streambuf.h (ios::rdbuf(streambuf*)): New. + * streambuf.h (ios::operator=): Make private (i.e. dis-allow). + +Wed Oct 12 19:09:20 1994 Jason Merrill (jason@phydeaux.cygnus.com) + + * gen-params: Define _G_NO_NRV and _G_NO_EXTERN_TEMPLATES if not + compiling with g++. + +Thu Oct 6 16:03:43 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iostream.texi (ostrstream::str): Note that NUL is not written + automatically. + +Wed Oct 5 17:28:29 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iogetdelim.c (_IO_getdelim): New function. + +Wed Oct 5 15:40:22 1994 J.T. Conklin (jtc@phishhead.cygnus.com) + + * config/netware.mt: New file, first cut at Netware NLM support. + * configure.in (*-*-netware*): Use config/netware.mt. + + * config.shared (NLMCONV, LD): New definition. + + * gen-params: check for nm in ${binutils}/nm.new. + * config.shared: Likewise. + +Tue Oct 4 12:20:01 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iomanip.h (omanip::operator<<): Make 2nd arg be const. + Bug and fix reported by Greg McGary <gkm@magilla.cichlid.com>. + + * strstream.cc (strstreambuf::pcount): Simplify, to match + ANSI/ISO specification. + +Mon Sep 26 15:19:52 1994 Jason Merrill (jason@deneb.cygnus.com) + + * gen-params: Include <wchar.h> and <wctype.h> if they exist. + +Thu Sep 8 14:41:41 1994 Jason Merrill (jason@deneb.cygnus.com) + + * iostream.h (class istream): Declare operator>>(long double&). + (class ostream): Define operator<<(long double). + + * iostream.cc (istream::operator>>(long double&)): Define. + +Wed Sep 7 14:42:29 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iostream.texi (Overflow): Fix bugs in example. + +Fri Sep 2 17:45:57 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iostream.tex: Document a little on how to write your + own streambuf-derived class, with an example. + +Tue Aug 30 13:03:57 1994 Brendan Kehoe (brendan@lisa.cygnus.com) + + * floatconv.c (s2b): Declare X and Y to be _G_int32_t. + (diff, quorem): Declare BORROW, Y, and Z likewise. + (ulp): Declare L likewise. + (_IO_strtod): Declare L and AADJ likewise. + (_IO_dtoa): Declare L and D likewise. Cast division of D by DS to + _G_int32_t. + +Mon Aug 29 16:01:54 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iosetvbuf.c (_IO_setvbuf): If setting _IOFBF and no + buffer was specified, call __doallocate. + + * fileops.c, floatconv.c: Add a bunch of parentheses to + shut up gcc warnings. Patch from H.J.Lu. + + * stdiostream.cc (stdiobuf::sys_read): Inline call to getc + for the normal case (size==1). + +Sat Aug 20 12:14:52 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (VERSION): Increase to 0.66. + +Fri Aug 19 17:28:41 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iolibio.h: Added _IO_printf prototype. + Added extern "C" { ... } wrappers #ifdef __cplusplus. + Bugs reported by Neal Becker <neal@ctd.comsat.com>. + +Wed Aug 17 18:17:15 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * fileops.c (_IO_file_seekoff): For _IO_seek_cur, adjust for + read-ahead before jumping to label dumb. + +Wed Aug 3 13:15:01 1994 H.J. Lu (hjl@nynexst.com) + + * libioP.h (CHECK_FILE(FILE,RET)): new, which checks for + FILE == NULL and _IO_MAGIC_MASK. + (COERCE_FILE(FILE)): merged into CHECK_FILE(FILE,RET) + with typo fixes. + + * iofread.c, iofwrite.c: add CHECK_FILE(fp, 0); + * iofclose.c: add CHECK_FILE(fp, EOF); remove _IO_MAGIC_MASK check. + + * iofflush.c, iofgetpos.c, iofputs.c, iofscanf.c, + iofsetpos.c, iofvbuf.c, ioungetc.c: + Add CHECK_FILE(fp, EOF) and remove COERCE_FILE(fp). + + * iofgets.c: add CHECK_FILE(fp, NULL) and remove COERCE_FILE(fp). + * iofprintf.c: add CHECK_FILE(fp, -1) and remove COERCE_FILE(fp). + * ioftell.c: add CHECK_FILE(fp, -1L) and remove COERCE_FILE(fp). + * iosetbuffer.c: add CHECK_FILE(fp, ) and remove COERCE_FILE(fp). + +Fri Aug 12 15:35:39 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iofdopen.c (_IO_fdopen): #define O_ACCMODE if it isn't. + Still set O_APPEND if "a" is given, but don't unset it + if it isn't. Added comment. + +Mon Aug 8 13:11:00 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * gen-params (VTABLE_LABEL_PREFIX): Changes in the implementation. + For look for _*vt[$_.]7*filebuf in the nm output, because that + matches what g++ produces and has produced. Thus it should be + somewhat more robust. + +Sun Aug 7 22:52:49 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * gen-params (CC): Remove no-longer-needed -I options + passed to xgcc (now they are implied by the -B options). + +Wed Jul 20 16:41:13 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (tooldir): Added definition, so we can do + 'make install' in this directory. + Bug reported by Klamer Schutte <schutte@tpd.tno.nl>. + +Mon Jul 18 18:02:34 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * gen-params (VTABLE_LABEL_PREFIX): Remove filename sppearing + by itself. Add comment explaining what is going on. + +Tue Dec 21 13:02:48 1993 H.J. Lu (hjl@jalod) + + * libio.h: define _IO_uid_t and _IO_HAVE_ST_BLKSIZE + as _G_xxxxxxxx. + +Tue Dec 21 13:02:48 1993 H.J. Lu (hjl@jalod) + + * iopopen.c: Don't include <errno.h>. It is included in "libioP.h". + + * iopopen.c (_IO_proc_close) : check if fp is on the list + before close it. + +Thu Jul 14 16:38:47 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * gen-params (CONFIG_NM): Make sed scripts to find vtable name + mangling more robost for different forms of nm output. + +Tue Dec 21 13:02:48 1993 H.J. Lu (hjl@jalod) + + * iofopen.c (_IO_fopen): don't check [redundantly] fp == NULL after + IO_file_init(&fp->_file). + + * iomanip.h (template<class TP> class iapp): + change ostream to istream. + +Tue Jul 12 14:09:02 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (VERSION): Increase to 0.65. + * libioP.h (builtinbuf_vtable): Only define #ifdef __cplusplus. + + * gen-params (_G_int8_t): Only define if defined(__STDC__), + because K&R C compilers don't have signed char. + (_G_int64_t, _G_uint64_t): Only define if defined(__GNUC__) + because other compilers may not have long long. + +Sun Mar 06 13:10:21 1994 H.J. Lu (hjl@nynexst.com) + + * floatconv.c (_IO_dtoa ()): fix a small memory leak, set the + "on_stack" field to be 0 if "result" is not NULL. + +Sat Mar 05 13:18:20 1994 H.J. Lu (hjl@nynexst.com) + + * floatconv.c (_IO_dtoa ()): if the number of digits of the + floating point number is more than the previous one, free the + old string and allocate a new one. + [Minor optimization to avoid Bcopy. -PB] + +Mon Jul 11 10:53:41 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * fileops.c (_IO_file_underflow): 'count' should be unsigned, + since it contains the return value of read. Reported by + Teemu Torma <tot@trema.fi>. + +Tue Dec 21 13:02:48 1993 H.J. Lu (hjl@nynexst.com) + + * floatconv.c (_IO_strtod ()): make "+" and "-" as error. + +Sat Jul 9 15:09:21 1994 Per Bothner (bothner@kalessin.cygnus.com) + + Make sure _IO_FILE::_flags is always initialized correctly, for the + C functions (fopen, fdopen, popen), and not just the C++ functions. + * fileops.c (_IO_file_init): Set _flags to CLOSED_FILEBUF_FLAGS. + * fileops.c (_IO_file_fopen): Remove bogus assignment. + * filebuf.cc (filebuf constructors): Don't pass CLOSED_FILEBUF_FLAGS + to streambuf constructor - _IO_file_init does it instead. + * filebuf.cc (CLOSED_FILEBUF_FLAGS): Removed. + * iopopen.c (_IO_proc_open): Use _IO_mask_flags. + +Thu Jun 30 08:49:53 1994 Jason Merrill (jason@deneb.cygnus.com) + + * dbz/Makefile.in (mostlyclean): Add target. + +Wed Jun 29 09:30:12 1994 Jason Merrill (jason@deneb.cygnus.com) + + * gen-params: Woops, can't run a C program to determine target + characteristics. Sigh. + +Tue Jun 28 03:11:33 1994 Jason Merrill (jason@deneb.cygnus.com) + + * gen-params: Add _G_{,u}int{8,16,64}_t, use a short C program to + determine what all these should be rather than trying to compare + the MAX numbers in the shell. + +Sun Jun 26 21:04:24 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdiostream.h, stdiostream.cc (stdiobuf::xsgetn): Removed. + Too hairy. If we want to optimize it, we should do so in + filebuf::xsgetn (or rather _IO_file_xsgetn). + + * stdiostream.h (class stdiobuf), stdiostream.cc: Fix parameter + and return types of virtual function to matcher base types (Oops!). + * streamstream.cc (stdiobuf::xsgetn, stdiobuf::xsputn): + Optimize to call fread.fwrite directly if !buffered. + * fileops.c: Fix comment. + +Fri Jun 24 11:28:18 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdiostream.h (istdiostream, ostdiostream): New classes. + + More robust final cleanup. + * cleanup.c (_IO_register_cleanup): Register _IO_cleanup, + rather than _IO_flush_all. + * filedoalloc.c: Update comment. + * genops.c (_IO_unbuffer_all): New. Makes all files unbuffered. + * genops.c (_IO_cleanup), libioP.h: New function. Call + _IO_flush_all, and then _IO_unbuffer_all. This is in case C++ + destructors try to do output *after* _IO_cleanup is called. + + Construct standard stdiobufs statically (using type punning). + * stdstrbufs.c; Unless _STDIO_USES_IOSTREAM declare standard + stdiobufs (for stdin, stdout, and stderr), using type punning + (struct _IO_fake_stdiobuf). This avoids constructor-time problems. + * stdstreams.cc: Remove the declarations of the stdiobufs. + Instead use the new (fake) ones in stdstrbufs.cc. We no longer + have to call ios::sync_with_stdio at constructor time. + + Preliminary support for new ANSI streambuf::uflow virtual. + * libioP.h (struct _IO_jump_t): Add __uflow field. + * genops.c (_IO_default_uflow), libioP.h: New function. + * fileops.c (_IO_file_jumps), iopopen.c (IO_proc_jumps), + iovfprintf.c (_IO_helper_jumps), strops.c (_IO_str_jumps), + streambuf.cc (_IO_streambuf_jumps): Add _IO_default_uflow. + * genops.c (__uflow): New function. + (save_for_backup): New function. Some code shared by + __underflow and __uflow, moved out from the former. + (_IO_default_uflow): New function. + * libio.h (_IO_getc): Call __uflow, not __underflow. + +Wed Jun 22 20:22:49 1994 Per Bothner (bothner@kalessin.cygnus.com) + + Make sure that the vtable of a streambuf is always valid, + which makes ios::rdbuf simpler and faster. + * gen-params: Add code to determine _G_VTABLE_LABEL_HAS_LENGTH, + _G_VTABLE_LABEL_PREFIX, _G_VTABLE_LABEL_PREFIX_ID, and + _G_USING_THUNKS, which describe how virtual function tables are named. + * stdfiles.c (FILEBUF_LITERAL): Moved to libioP.h. + * libioP.h (builtinbuf_vtable): New (complicated) declaration. + * filebuf.cc (filebuf::__new), strstream.cc (SET_STR_JUMPS): + Initialize vtable to builtinbuf_vtable, not NULL. + * stdstrbufs.cc: New file. Same as stdfiles.c, except that + vtable is initialized to builtinbuf_vtable, not NULL. + * streambuf.h (ios::rdbuf): Can now simplify/optimize, due to + above changes. Always, just return _strbuf. + * builtinbuf.h, builtinbuf.cc (builtinbuf::vtable, + builtinbuf::get_builtin_vtable): Removed. No longer needed. + * streambuf.h, builtinbuf.cc (ios::_IO_fix_vtable): No longer needed. + Only defined #ifdef _STREAM_COMPAT, for binary compatibility. + * Makefile.in: Move stdfiles.o from IO_OBJECTS to STDIO_WRAP_OBJECTS. + (IOSTREAM_OBJECT): Add stdstrbufs.o. + * Makefile.in (_G_config.h): Pass $(CXXFLAGS) as part of $(CXX). + +Fri Feb 11 11:08:01 1994 SBPM Marc GINGOLD (marc@david.saclay.cea.fr) + + * iovfprintf.c (helper_vfprintf): add + hp->_IO_file_flags = _IO_MAGIC|(_IO_IS_FILEBUF+_IO_NO_READS); + [This is needed because _IO_vfprintf checks for _IO_UNBUFFERED. -PB] + [Actually: don't set _IO_IS_FILEBUF. -PB] + +Wed Jun 22 13:49:22 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdiostream.cc, stdiostream.h (stdiobuf::buffered): New methods. + + * iofdopen.c (_IO_fdopen): Various minor improvements. + + * iovfscanf.c: Don't return EOF on control_failure. + +Tue Dec 21 13:02:48 1993 H.J. Lu (hjl@nynexst.com) + + * iovfscanf.c: Enforce the sequence of the conversion specifications. + +Fri Jun 17 20:57:22 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iofdopen.c: Use fcntl to check that requested access mode is + compatible with existing access mode, and to change the + O_APPEND file status flag if need be. + +Thu Jun 16 17:33:50 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * streambuf.h (ios::init): Initialize all the fields. + This may be overkill, but the current ANSI working paper requires it. + * streambuf.h (ios::ios): Reimplement in terms of ios::init. + * iostream.cc (Non-default constructors istream::istream, + ostream::ostream, iostream::iostream): Cannot use a mem-initializer, + because it is ignored if initializing a derived class. Instead, + call ios::init. + +Wed Jun 15 13:35:37 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdstreams.cc (ISTREAM_DEF): Fix typo (it's a _fake_istream, not + a _fake_ostream). Reported by Jason Shirk <jshirk@gomez.intel.com>. + + * stdiostream.h, stdiostream.cc (stdiobuf::~stdiobuf): New. + Call _IO_do_flush. + * stdiostream.cc (stdiobuf::sync): Call _IO_do_flush rather + than filebuf::sync (to avoid bad seeks). + + * libioP.h (_IO_do_flush): Add missing parentheses. + +Fri Jun 3 19:16:57 1994 Jason Merrill (jason@deneb.cygnus.com) + + * config.shared (CXXFLAGS): Remove -fno-implicit-templates. + + * iomanip.h: Add explicit external instantiations. + +Wed Jun 1 14:14:44 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * libio.h (struct _IO_FILE_plus): Move definition from here ... + * libioP.h (struct _IO_FILE_plus): ... to here. Since this + file is private to the implementation, we can rename the fields + from the implementor's to the user's name anme space. + (This avoids a lossage on SCO, whose stdio.h has a #define _file.) + * iofdopen.c, iofopen.c, stdfiles.c: Fix field references accordingly. + * iopopen.c (struct_IO_proc_file): Rename fields from + implementor's name space to user's, and update usages. + * streambuf.h (streambuf::_vtable): Re-implement to not need + struct _IO_FILE_plus. + * strfile.h (struct _IO_strfile_): Likewise. + +Wed Jun 1 13:57:48 1994 Jason Merrill (jason@deneb.cygnus.com) + + * config.shared (CXXFLAGS): Use -fno-implicit-templates instead of + -fexternal-templates. + +Tue May 31 08:49:28 1994 Mike Stump (mrs@cygnus.com) + + * genops.c, iofclose.c, iofdopen.c, iofopen.c, iopopen.c: Be + consistent about protecting #include <stdlib.h>. + + * ioputs.c: Add #include <string.h>, to avoid warning on alpha. + + * iofdopen.c: Add #include <stdlib.h>, so that malloc works on + machines where sizeof(int) != sizeof(void *). + +Mon May 30 17:26:49 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * pfstream.cc (ipfstream::ipfstream, opfstream::opfstream): + Reverse sense of test of return value of procbuf::open. + (It returns NULL on failure.) + + * filedoalloc.c (_IO_file_doallocate): Remove dead code for + USE_MALLOC_BUF. Add code to return EOF if ALLOC_BUF fails. + +Sat May 28 13:47:47 1994 Jason Merrill (jason@deneb.cygnus.com) + + * iomanip.cc: Explicitly instantiate smanip<int> and + smanip<ios::fmtflags>. + +Wed May 25 16:04:12 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * strfile.h: Use __P instead of _PARAMS. + +Fri May 20 11:42:17 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * libio.h: Rename _PARAMS macro to __P for better glibc and BSD + compatibility. (Also define _PARAMS for backwards compatibility.) + * cleanup.c, iolibio.h, ioperror.c, iovfprintf.c, iovfscanf.c, + libioP.h: Use __P instead of _PARAMS. + * iostdio.h: Use __P instead of _ARGS. + + * fileops.c (_IO_file_read): Minor stylistic tweak. (It is + preferable to test errno *after* the error return.) + +Fri May 13 15:25:36 1994 Jason Merrill (jason@deneb.cygnus.com) + + * iostream.*: Add insertor and extractor for bool (just pretend + it's an int). + +Fri May 13 14:12:03 1994 Mike Stump (mrs@cygnus.com) + + * gen-params: Check for builtin bool support. + +Wed May 11 00:48:35 1994 Jason Merrill (jason@deneb.cygnus.com) + + Make libg++ build with gcc -ansi -pedantic-errors + * gen-params: #ifdef __STRICT_ANSI__, #define _G_NO_NRV. + * pfstream.cc (ipfstream::ipfstream): Wrap use of variable-size + array in #ifndef __STRICT_ANSI__. + +Fri May 6 12:42:21 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (VERSION): Increase to 0.64. + + * isgetline.cc (istream::getline): The delimiter should *not* + be included in the gcount(). + + * filedoalloc.c: #include <stdlib.h> (If __STDC__) to get malloc. + * iostream.h (ostream::put): Remove overloaded versions, to match + new working paper. (Actually just put inside _STREAM_COMPAT, for now.) + +Tue May 3 14:14:57 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * genops.c (_IO_default_finish): Make robust when called + multiple times on the same _IO_FILE*. (One way this can + happen is by the builtinbuf destructor being followed by the + streambuf destructor.) + +Mon May 2 13:55:26 1994 Jason Merrill (jason@deneb.cygnus.com) + + * gen-params: Actually determine wint_t rather than depending on + cpp to provide it or defaulting to the underlying type for + wchar_t. + +Sat Apr 30 14:47:30 1994 Jason Merrill (jason@deneb.cygnus.com) + + * gen-params: Add _G_wint_t, allow __*_TYPE__ to override values + at compile time, fix definition of _G_ARGS. + +Fri Apr 29 16:55:37 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * libio.h: Remove #pragma interface. (There is no implementation.) + +Mon Mar 28 14:22:26 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iostream.cc (ostream::operator<<(double)): Add/fix support + for printing '+' when ios::showpos is set. + (Fixes bug reported by Doug Moore <dougm@cs.rice.edu>.) + * iostream.cc (istream::read): Set eofbit as well as failbit on eof. + * iostream.cc (ostream::operator<<(int)): Fix conversion + to unsigned (used to lose on INT_MIN). + * iostream.cc (ostream::operator<<(long)): Use (unsigned long), + rather than (unsigned) for temporary. + + * config.shared, Makefile.in: Remove definitions and uses + of XTRAFLAGS. It is no longer needed, since it is + now implied by the -B flag. + +Fri Mar 25 00:31:22 1994 Jason Merrill (jason@deneb.cygnus.com) + + * builtinbuf.h: Add put /**/ around comment on trailing #endif. + + * Makefile.in (c++clean): Make clean in tests subdir, too. + +Wed Mar 23 16:42:09 1994 Doug Evans (dje@canuck.cygnus.com) + + * configure.in: Remove Makefile.tem before creating it. + Needed when configuring from read-only source trees. + +Wed Mar 16 14:06:42 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdstreams.cc: Fix so that stdiobuf are used for cin/cout/cerr, + unless _STDIO_USES_IOSTREAM is defined. + * filebuf.cc (filebuf::setbuf): Fix confusion about return + value from _IO_file_setbuf. + +Sun Mar 13 00:54:12 1994 Paul Eggert (eggert@twinsun.com) + + * config.shared: Ensure that `all' precedes `.PHONY'; + BSDI 1.1 needs this. + +Sat Mar 12 03:58:00 1994 Paul Eggert (eggert@twinsun.com) + + * config.shared: Output a definition of INSTALL that uses + $${rootme}, not ${rootme}. Most `make's don't care, but BSDI + 1.1 `make' does. + +Fri Mar 4 17:33:01 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iopopen.c: #define _POSIX_SOURCE. + * isgetline.c (istream::getline): Various fixes. + +Thu Mar 3 17:58:20 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * iostream.cc (write_int): Fix test for when to add initial '0' + when ios::oct and ios::showbase are set. + For hex, showbase adds initial 0x (or 0X) regardless of val==0. + Bugs reported by Phil Roth <proth@cs.uiuc.edu>. + +Mon Feb 21 13:18:20 1994 H.J. Lu (hjl@nynexst.com) + + * libio.h (_IO_PENDING_OUTPUT_COUNT(_fp)): return the + pending output count in _fp. + +Fri Feb 25 09:26:57 1994 Ian Lance Taylor (ian@cygnus.com) + + * gen-params: For HAVE_SYS_WAIT, compile dummy.c, not dummy.C. + +Tue Feb 22 11:19:09 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * streambuf.h, genops.c, libioP.h: Rename references to + _IO_FILE fields other_gbase => _IO_save_base, + _aux_limit => _IO_backup_base, and _other_egptr => _IO_save_end. + * libio.h: Remove no-longer needed macros _other_gbase, + _aux_limit, and _other_egptr. + * genops.c (__underflow, _IO_default_finishh, _IO_unsave_markers): + Check _IO_save_base for NULL before FREEing it or calling + _IO_free_backup_area. + +Thu Feb 17 15:26:59 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * gen-params: Improve deduction of _G_uint32 and _G_int32. + Should now work for 16-bit, 32-bit, or 64-bit targets. + * gen-params: Check for sys/wait.h using ${CC}, since it's + now used in a C file, not a C++ file. + * floatconv.c: Typedef _G_uint32_t as unsigned32, and use + unsigned32 in place of unsigned long. (Needed for Alpha.) + +Tue Feb 8 13:40:15 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * fileops.c (_IO_file_close_it): Simplify by using _IO_do_flush. + * fileops.c (_IO_file_finish): Don't call _IO_file_close_it - + do it inline. Call _IO_do_flush even if _IO_DELETE_DONT_CLOSE. + * fileops.c (_IO_file_attach): Set _IO_DELETE_DONT_CLOSE. + * genops.c (_IO_flush_all): Only call overflow if there is + something to write. + * iofclose.c (_IO_fclose): Check that magic number is correct, + and clear it when done. Avoids crashing some buggy applications. + * iogetline.c (_IO_getline): Don't gratuitously increment old_len. + * iogets.c (_IO_gets): Take care to get required ANSi semantics. + +Sun Feb 6 19:50:39 1994 Jason Merrill (jason@deneb.cygnus.com) + + * iomanip.cc: Explicitly instantiate operator<< and >>. + +Fri Feb 4 12:28:22 1994 Jason Merrill (jason@deneb.cygnus.com) + + * config.shared (CXXFLAGS): Use -fexternal-templates. + + * iomanip.h: Uncomment #pragma interface. + +Thu Jan 20 13:48:40 1994 Per Bothner (bothner@kalessin.cygnus.com) + + If no characters are read by fgets, ANSI C doesn't allow '\0' to + be written to the buffer, but it is required by ANSI C++ + for istream::get and istream::getline. Both use _IO_getline ... + * iogetline.c (_IO_getline): Don't write a '\0' at the end + of the read data. The input buffer length does not include + space for a '\0'. + * iofgets.c, iogets.c: Change appropriately. + Also check for _IO_ERR_SEEN, as required by ANSI. + * isgetline.cc: Update accordingly. + +Mon Jan 17 13:24:26 1994 Jason Merrill (jason@deneb.cygnus.com) + + * Makefile.in (c++clean): Added target for compiler testing + (i.e. make c++clean all). + +Mon Jan 10 11:20:42 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * libio.h (_IO_putc): Add parentheses. + Patch from Rik Faith <faith@cs.unc.edu>. + +Tue Jan 4 01:32:28 1993 Hongjiu Lu (hjl@nynexst.com) + + * genops.c (_IO_default_xsputn): + (_IO_default_xsgetn): + * ioignore.c: change "_IO_size_t count" to + "_IO_ssize_t count". + * iogetline.c: change "_IO_size_t len" to + "_IO_ssize_t len". + +Mon Dec 20 00:31:21 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * config.shared (CXXINCLUDES): Fix quoting of $(NOSTDINC). + +Sun Dec 19 21:03:45 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (VERSION): Increase to 0.63. + +Fri Dec 17 13:02:44 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iofread.c (_IO_fread): Return 0 if either size or count is 0. + * iofwrite.c (_IO_fwrite): Return 0 if either size or count is 0. + (This is consistent with fread, and most implementations, but not + with a literal reading of the ANSI spec.) + * iovfscanf.c (_IO_vfscanf): If got EOF while skipping spaces, + set seen_eof and break (instead of returning). + * sbscan.cc (streambuf::vscan): Set error state before returning. + * streambuf.h: Add a forward declarations for class istream + to work around a g++ vtable name mangling bug. (Patch from + harry@pdsrc.hilco.com via Jeffrey A Law <law@snake.cs.utah.edu>.) + * NEWS: New file. + +Sat Dec 11 16:21:08 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iovfprintf.c (struct helper_file, _IO_helper_overflow, + helper_vfprintf, _IO_helper_jumps): New structs and functions. + (_IO_vfprintf): Use helper_vfprintf to make printing to + unbuffered files more efficient. + * genops.c (_IO_default_underflow), libioP.h: New function. + + * iovsscanf.c (_IO_vsscanf): The input string's length marks + its logical end-of-file. + +Wed Dec 8 13:20:46 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * indstream.cc (indirectbuf::sync()): Don't crash if get_stream() + or put_stream() are NULL; sync() both streams even if error. + +Sun Dec 5 19:24:29 1993 Brendan Kehoe (brendan@lisa.cygnus.com) + + * iostreamP.h (convert_to_seekflags): Use _IO_seek_set instead of + 0 inside the conditial expressions. + + * iofsetpos.c (_IO_fsetpos): Delete unused var `pos'. + +Sat Dec 4 15:57:26 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * filedoalloc.c (_IO_file_doallocate): Change type of couldbetty + to int, and type of size to _IO_size_t, instead of size_t. + (Change needed for Ultrix, which incorrectly deliberately doesn't + define size_t in <sys/types.h> if _POSIX_SOURCE is defined.) + +Thu Dec 2 22:43:03 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * fileops.c (_IO_file_finish): Remove redundant call to _IO_un_link. + * iofclose.c (_IO_fclose): Don't call fp->_jumps->__close; it's + too low-level. Instead call _IO_file_close_it. + * dbz/Makefile.in (rclean, distclean): Add some missing files. + +Wed Dec 1 13:19:14 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * config/hpux.mt (MATH_H_INLINES): No longer define. + Patch from Jeffrey A Law <law@snake.cs.utah.edu>. + +Fri Nov 26 13:28:36 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * config.shared (CINCLUDES): Define default if libg++. + * iofread.c: Use _IO_sgetn.c. + * iolibio.h (_IO_clearerr): Fix typo. + * genops.c (_IO_seekmark): Return 0 on success. + * floactconv.c (Binit): Change to static. + * iofclose.c (_IO_fclose): Check if file is _IO_stdin, _IO_stdout, + or _IO_stderr; if so don't try to free it. Fix from hjl@nynexst.com. + + * genops.c (_IO_default_sync), libioP.h: New function. + * libioP.h (_IO_default_close): Use _IO_default_sync -same interface. + + * Makefile.in: Increase version to 0.62. + * iopopen.c (_IO_proc_close): Use waitpid (available in libibarty, + if needed), rather than wait. Don't block/ignore SIGINT etc, + as this is counter to Posix.2. + * iopopen.c: Chain open proc_files, and have the child close + the ones that are open (as required by Posix.2). + + * fstream.h (fstreambase::rdbuf), strstream.h (strstreambase + ::rdbuf): Call ios::rdbuf() instead of getting _strbuf directly. + + * sbscan.cc (streambuf::vscan): Comment out duplicate default arg. + * floatconv.c: Recognize Alpha and i860 as little-endian. + * streambuf.cc: Return two bogus value returns from void functions. + * iolibio.h, iofwrite.c: Fix buffer type to (const void*). + * libio.h: Predefine of struct _IO_FILE to help non-g++-compilers. + * libioP.h, pfstream.cc, stdfiles.c, iovfscanf.c: Cleanup syntax junk. + * stdstreams.cc: Minor simplification. + * streambuf.h, builtinbuf.cc: Add non-const ios::_IO_fix_vtable() + for temporary binary compatibility. + + * filedoalloc.c, fileops.c: Add _POSIX_SOURCE. + * fileops.c, iofopen.c, iofputs.c, iostream.cc, strops.c, + strstream.cc, genops.c: Add some missing #includes. + * iofopen.c, iofdopen.c: Return NULL if malloc fails. + * iovfscanf.c: Fix return type in strtol prototype. + * fwrite.c: Remove bogus file. + +Wed Nov 17 14:09:42 1993 Per Bothner (bothner@cygnus.com) + + * builtinbuf.cc (ios::_IO_fix_vtable), streambuf.h: Make method + const, to reduce problems with -Wcast-qual. + +Tue Nov 16 19:30:42 1993 david d `zoo' zuhn (zoo@rtl.cygnus.com) + + * config.shared (CXXINCLUDE): use ${} instead of $() for NOSTDINC + +Tue Nov 16 14:15:45 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iopopen.c (_IO_proc_close): Re-structure to avoid + declarations after statements. + * floatconv.c: If not __STDC__, #define DBL_MANT_DIG. + * config/isc.mt (G_CONFIG_ARGS): Remove bogus spaces. + Patch from David A. Avery <daa@nic.cerf.net>. + +Tue Nov 16 15:58:31 1993 Mark Eichin (eichin@cygnus.com) + + * Makefile.in (_G_config.h): explicitly use $(SHELL) to run + gen-params, since we know it is a script (we're explicitly looking + in ${srcdir} for it) and /bin/sh might not be good enough. + +Mon Nov 15 13:26:22 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * builtinbuf.cc: Don't depend on initialization of static + variable builtinbuf::vtable, since that might happen after + we need it (for a static constructor). Instead, initialize + it when needed by inlining the code from get_builtin_vtable + into ios::_IO_fix_vtable(). + + * floatconv.c: Avoid using #elif, which some C compilers lack. + * iogetline.c, libioP.h: Make char parameter be int, to avoid + some default promotion anomalies. + +Fri Nov 5 11:49:46 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * config.shared (do-clean-dvi): Remove TeX work files. + * iopopen.c (extern _IO_fork): Don't use parameter type void. + * strops.c (_IO_str_init_static): Clear the allocate_buffer + function pointer, to mark the strfile as being static. + Bug fix from Mike Raisbeck <mike@pudding.rtr.COM>. + +Thu Nov 4 10:44:24 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * filebuf.cc (filebuf:): Use sseekoff rather than seekoff + (which loses if vtable pointer is NULL). + + * iostream.cc (ostream::operator<<(long long n)): Fix thinko. + + * Makefile.in (VERSION): Increase to 0.60. + * Makefile.in (IO_OBJECTS): Added iopopen.o. + * config.shared (DISTCLEAN): Also remove Make.pack. + * config.shared (CXXINCLUDES): Add $(NOSTDINC). + + * config.shared (INSTALL): Fix so it ues the correct install.sh + whether $srcdir is absolute or relative. + + * floatconv.c (DBL_MAX_10_EXP): Fix default value. + +Wed Nov 3 10:20:49 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * gen-params: Make more robust to allow random junk (NeXT + has spaces) before typedefs. + + * fileops.c (_IO_file_overflow): Reduce code duplication. + * Makefile.in (IO_OBJECTS): Remove ioputs.o. + + * iovfscanf.c, libio.h: Extra parameter to _IO_vfscanf, + for optionally setting an error indication.. + * iofscanf.c, ioscanf.c, iofscanf.c, iovsscanf.c: Fix calls to + _IO_vfscanf to pass an extra NULL. + * sbscan.cc (streambuf::vscan): If passed an extra stream, + set its error state (using new _IO_vfscanf parameter. + + * filedoalloc.c, fileops.c, genops.c, iogetline.c, ioignore.c, + libio.h, libioP.h, streambuf.cc streambuf.h, strfile.h, strops.c, + strstream.cc: Replace macros (_base, _ebuf, _eback, _gptr, _egptr, + _pbase, _pptr, _epptr) by field names (_IO_buf_base, _IO_buf_end, + _IO_read_base, _IO_read_pre, IO_read_end, _IO_write_base, + _IO_write_ptr, _IO_write_end). + * libio.h: Remove the old macros (which fixes a conflict. + +Mon Nov 1 15:22:12 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iostream.cc: Use _IO_sputn instead of sputn. _IO_sputn does + not require a vtable pointer, and is also slightly faster. + + * builtinbuf.{h,cc} (builtinbuf::setbuf): Fix return and + parameter types. + +Mon Oct 25 12:56:33 1993 Per Bothner (bothner@kalessin.cygnus.com) + + Kludge to make sure _IO_FILE buffers get flushed before exit. + * dbz/dbzmain.c, dbz/fake.c, dbz/byteflip.c: + Invoke DBZ_FINISH macro (if defined) before (normal) exits. + * dbz/Makefile.in (CFLAGS): Define DBZ_FINISH to call _IO_flush_all. + +Sat Oct 23 22:10:53 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (VERSION): Set to 0.60 for libg++ release. + * fileops.c (_IO_file_attach): Set _offset to _IO_pos_BAD. + * iostream.cc (ostream::flush): Fix thinkp. + * editbuf.cc, isgetsb.cc, isscan.cc, osform.cc, parsestream.cc, + pfstream.cc, sbform.cc, sbscan.cc, stdstreams.cc, stream.cc: + Replace #include "ioprivate.h" by #include "libioP.h" (and + sometimes stdarg.h, stdlib.h and/or string.h). + * ioprivate.h: Removed. + + +Thu Oct 21 19:24:02 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * PlotFile.h, SFile.h, editbuf.cc, editbuf.h, filebuf.cc, + fstream.cc, fstream.h, indstream.cc, indstream.h, iomanip.cc, + iomanip.h, ioprivate.h, iostream.cc, iostream.h, isgetline.cc, + isgetsb.cc, parsestream.cc, parsestream.h, pfstream.cc, + pfstream.h, procbuf.cc, procbuf.h, stdiostream.cc, stdiostream.h, + stdstreams.cc, streambuf.cc, streambuf.h, strstream.cc, + strstream.h: Remove old (duplicate) copyright notices. + + * iostream.cc: Fix calls to sync() to be safe in the presence + of vtable-less streambufs. + +Wed Oct 20 15:22:04 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * streambuf.h (streambuf::underflow, streambuf::overflow): + Don't make virtual functions pure. + * streambuf.cc (streambuf::underflow, streambuf::overflow): + Default definitions (return EOF). + * fstream.h: Add new (int fd, char* buf, int len) constructors. + These are deprecated, but added for AT&T compatibility. + * fstream.cc fstreambase::fstreambase(int fd, char *p, int l): New. + +Thu Oct 14 14:57:01 1993 david d `zoo' zuhn (zoo@rtl.cygnus.com) + + * configure.in: use 'mv -f' instead of 'mv' + +Tue Oct 12 05:01:44 1993 Mike Stump (mrs@cygnus.com) + + * floatconv.c: Fix typo, change __STDC to __STDC__. + +Mon Oct 11 17:03:12 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * cleanup.c: It should be #if _G_HAVE_ATEXIT, not #ifdef. + + * floatconv.c, iostrerror.c, iovfprintf.c, iovfscanf.c, libioP.h: + Bunch of fixes to allow use of non-ANSI (K&R) C compilers. + + * Makefile.in (iostream.list): Use CC=$(CXX) to force use of gcc. + * README: New file. + +Fri Oct 8 16:19:58 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in: Move ioungetc.o from STDIO_WRAP_OBJECTS to + IO_OBJECTS (since it is needed for iovfscanf.c). + * iostrerror.c: Add declaration of strerror. + +Thu Oct 7 12:02:28 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * cleanup.c: New file, to cause flushing at exit. + * filedoalloc.c: Cause flushing on exit. + * Makefile.in (OSPRIM_OBJECTS): Add cleanup.o. + * gen-params: Check for atexit. + +Tue Oct 5 19:11:14 1993 Mike Stump (mrs@cygnus.com) + + * ioperror.c (_IO_strerror): Add missing ()s in _PARAMS usage. + +Tue Oct 5 10:33:37 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iofprintf.c, iofscanf.c, ioprintf.c, ioscanf.c, iosprintf.c, + iosscanf.c: Remove bogus semi-colon after va_dcl. + * ioperror.c: Fix typos in declaration. + +Mon Oct 4 17:12:22 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * configure.in (CLEAN): Define (as _G_config.h *.a). + + * fileops.c (_IO_file_read): Don't assume EINTR is defined. + * iosetbuf.c: Replace by generalized ... + * iosetbuffer.c: ... variant, derived from BSD. + * Makefile.in (STDIO_WRAP_OBJECTS): Change correspondingly. + * iosetvbuf.c (iosetvbuf): Minor ANSI tweak. + * iostdio.h (setbuf, setlinebuf): New #defines. + * iolibio.h (_IO_setbuf, _IO_setlinebuf): (Re-)define as macros. + * Makefile.in (LIBIO_OBJECTS): New macro. + +Tue Sep 28 14:15:52 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * libioP.h (_IO_proc_open, _IO_proc_close): Add missing return types. + * procbuf.cc: Belated fixes. + +Mon Sep 27 14:04:47 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in: List new files. Add STDIO_WRAP_OBJECTS macro. + * floatconv.c (d2b): Use Exp_msk11 instead of Exp_msk1. + * iofgetpos.c (_IO_fgetpos), iofsetpos.c (_IO_fsetpos): Clean up. + * iolibio.h: New file. Declarations of _IO_foo, for most foo + where foo is a stdio function. (Remove these from libio.h.) + * iostream.h (istream::istreambuf, ostream::ostreambuf): Move + obsolete functions inside #ifdef _STREAM_COMPAT. + * libio.h, libioP.h, streambuf.h, parsestream.h, stdiostream.h: + Use _IO_fpos_t rather than _IO_pos_t. + * iopopen.c: New file type, for pipe (popen-like) streams. + * procbuf.cc: Now just a C++ wrapper for the files in iopopen.c. + * streambuf.h (ios::unsetf): Return complete old value of flags. + * iogets.c (_IO_gets(), ioungetc.c (_IO_ungetc), ioperror.c + (_IO_perror), iostrerror.c (_IO_strerror): New files and + functions, for stdio implementation. + * iostdio.h: Add declarations for various recently-added functions. + +Sun Sep 12 14:24:55 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * streambuf.h (ios::showpos):: Fix typo. + +Fri Aug 27 12:05:47 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iopadn.c (_IO_padn): Change to return count of chars written. + * outfloat.c, iovfprintf.c: Change for new _IO_padn interface. + * iostream.cc (ostream::operator<<): Make sure to set badbit + on a failure (many places). Use _IO_padn more. + * iostream.cc (ostream& ostream::operator<<(const void *p): Move to + * osform.cc: ... here, to reduce linking-in-the-world syndrome. + * osform.cc: Use rdbuf(), instead of _strbuf directly. + + * genops.c (_IO_sgetn), libio.h: New function. + * streambuf.h (streambuf.h::sgetn): Use _IO_sgetn. + * SFile.cc (SFile::operator[]): Use sseekoff, not seekoff. + +Thu Aug 26 10:16:31 1993 david d `zoo' zuhn (zoo@rtl.cygnus.com) + + * config.shared (SUBDIRS): only recurse if the directory is configured + +Wed Aug 25 12:56:12 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * config/{hpux.mt, isc.mt, sco4.mt}: + Moved from ../libg++/config (since they affect _G_config.h). + * configure.in: Set target_make_frag to one of the above files. + +Fri Aug 20 00:53:14 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * iofopen.c (iofopen): Fix type passed to _IO_un_link(). + * Makefile.in (_G_config.h): Pass $CC (not $CXX) as CC. + + * configure.in (configdirs): Add dbz and stdio. + * fileops.c (_IO_file_seekoff): Convert more old functionality. + * iofdopen.c: Use mode parameter to set _flags. + * iofscanf.c, ioputs.c, ioscanf.c, iosprintf.c: New files. + * Makefile.in (IO_OBJECTS): Added new objects. + * iostdio.h: Add feof. fscanf, puts, sprintf, vsprintf. + * libio.h: Add _IO_vprintf macro. + * iofopen.c: Invoke _IO_un_link if failure. + * iovsprintf.c: Write terminating NUL. + + * libioP.h: Add COERCE_FILE macro (by default does nothing). + * iofclose.c, iofflush.c, iofgets.c, iofprintf.c, iofputs.c, + iofread.c, ioftell.c, iofwrite.c, iosetbuf.c, iosetvbuf.c: + Invoke COERCE_FILE macro. + * ioftell.c: Use _IO_seekoff. + +Wed Aug 18 22:49:56 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * sbform.cc (streambuf::form), sbscan.cc (streambuf::scan): + Remove cast to _IO_va_list. (Loses if array type.) + + * libio.h: Handle _IO_va_list for systems that need <stdarg.h>. + * floatconv.h: Fix typo (reported by H.J.Lu). + +Wed Aug 18 19:34:04 1993 david d `zoo' zuhn (zoo@rtl.cygnus.com) + + * configure.in (INSTALLDIR): handle native vs. cross case + + * Makefile.in (install): don't use $TARGETLIB, set INSTALLDIR to + $(libdir) + +Wed Aug 18 12:10:03 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in: Rename iostream-files to iostream.list. + * configure.in: Add iostream.list to MOSTLYCLEAN. + +Tue Aug 17 18:56:59 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in: Depend on _G_config.h where appropriate. + * config.shared (CXXINCLUDES): If doing libg++, search ../libio. + +Tue Aug 17 17:34:24 1993 Per Bothner (bothner@kalessin.cygnus.com) + + New directory. Based on old libg++/iostream code, + but extensively re-written. diff --git a/contrib/libio/Makefile.in b/contrib/libio/Makefile.in new file mode 100644 index 0000000..724372a --- /dev/null +++ b/contrib/libio/Makefile.in @@ -0,0 +1,132 @@ +# Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation +# +# This file is part of the GNU IO Library. This library is free +# software; you can redistribute it and/or modify it under the +# terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this library; see the file COPYING. If not, write to the Free +# Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +srcdir = . + +VERSION = 2.8.0 +# The config file (overriden by Linux). +_G_CONFIG_H=_G_config.h +tooldir = $(exec_prefix)/$(target) +INSTALLDIR = $(libdir) + +IO_OBJECTS = filedoalloc.o floatconv.o genops.o fileops.o \ + iovfprintf.o \ + iovfscanf.o ioignore.o iopadn.o \ + iofgetpos.o iofread.o iofscanf.o \ + iofsetpos.o iogetdelim.o iogetline.o \ + ioprintf.o ioseekoff.o ioseekpos.o \ + outfloat.o strops.o iofclose.o iopopen.o ioungetc.o peekc.o iogetc.o \ + ioputc.o iofeof.o ioferror.o + +STDIO_OBJECTS = stdfiles.o + +# These emulate stdio functionality, but with a different name (_IO_ungetc +# instead of ungetc), and using _IO_FILE instead of FILE. +# They are not needed for C++ iostream, nor stdio, though some stdio +# files are build using the same source files (see stdio/configure.in). +# They are needed for iostdio.h. They are needed under Linux to avoid +# version incompatibility problems with the C library. +# iofclose.o is not here, because it is needed for stdio (by pclose). +STDIO_WRAP_OBJECTS = iofdopen.o iofflush.o iofgets.o iofopen.o iofprintf.o iofputs.o iofwrite.o \ + iogets.o ioperror.o ioputs.o ioscanf.o iosetbuffer.o iosetvbuf.o \ + iosprintf.o iosscanf.o ioftell.o iovsscanf.o iovsprintf.o + +IOSTREAM_OBJECTS = builtinbuf.o filebuf.o fstream.o \ + indstream.o ioassign.o ioextend.o iomanip.o iostream.o \ + isgetline.o isgetsb.o isscan.o \ + osform.o procbuf.o sbform.o sbgetline.o sbscan.o \ + stdiostream.o stdstrbufs.o stdstreams.o stream.o streambuf.o strstream.o \ + PlotFile.o SFile.o parsestream.o pfstream.o editbuf.o + +# These files define _IO_read etc, which are just wrappers for read(2) etc. +# They need to be changed to use name-space-clean (e.g. __read) versions +# for each specific libc. +OSPRIM_OBJECTS = ioprims.o iostrerror.o cleanup.o + +LIBIOSTREAM_OBJECTS = $(IO_OBJECTS) $(IOSTREAM_OBJECTS) $(OSPRIM_OBJECTS) +LIBIO_OBJECTS = $(IO_OBJECTS) $(STDIO_WRAP_OBJECTS) $(OSPRIM_OBJECTS) \ + $(STDIO_OBJECTS) + +LIBIOSTREAM_DEP = $(LIBIOSTREAM_OBJECTS) +LIBIOSTREAM_USE = $(LIBIOSTREAM_OBJECTS) + +USER_INCLUDES = *.h + +PICFLAG = + +#### package, host, target, and site dependent Makefile fragments come in here. +## + +$(LIBIO_OBJECTS): $(_G_CONFIG_H) + +libio.a: $(_G_CONFIG_H) $(LIBIO_OBJECTS) + -rm -rf libio.a + $(AR) $(AR_FLAGS) libio.a $(LIBIO_OBJECTS) + $(RANLIB) libio.a + +libiostream.a: $(_G_CONFIG_H) $(LIBIOSTREAM_DEP) + -rm -rf libiostream.a + $(AR) $(AR_FLAGS) libiostream.a $(LIBIOSTREAM_USE) + $(RANLIB) libiostream.a + +test: test.o libio.a + $(CC) $(CFLAGS) -o test test.o libio.a +tpipe: tpipe.o libio.a + $(CC) $(CFLAGS) -o tpipe tpipe.o libio.a + +iostream.list: stamp-picdir $(_G_CONFIG_H) $(LIBIOSTREAM_DEP) + @echo "$(LIBIOSTREAM_USE)"> iostream.list + +stmp-stdio: + @rootme=`pwd`/ ; export rootme; cd stdio ; \ + $(MAKE) $(FLAGS_TO_PASS) stdio.list + +_G_config.h: ${srcdir}/gen-params + rootme=`pwd`/ ; export rootme; \ + CC="$(CC) $(CINCLUDES)"; export CC; \ + CXX="$(CXX) $(CXXINCLUDES) $(NOSTDINC) $(CXXFLAGS)"; export CXX; \ + CONFIG_NM="$(NM)"; export CONFIG_NM; \ + $(SHELL) ${srcdir}/gen-params LIB_VERSION=$(VERSION) $(G_CONFIG_ARGS) >tmp-params.h + mv tmp-params.h _G_config.h + +install: + rootme=`pwd`/ ; export rootme ; \ + if [ -z "$(MULTISUBDIR)" ]; then \ + if [ "$(_G_CONFIG_H)" != "" ]; then \ + if [ x$(enable_version_specific_runtime_libs) = xyes ]; then \ + rm -f $(gxx_include_dir)/_G_config.h ; \ + $(INSTALL_DATA) _G_config.h $(gxx_include_dir)/_G_config.h || exit 1; \ + else \ + rm -f $(tooldir)/include/_G_config.h ; \ + $(INSTALL_DATA) _G_config.h $(tooldir)/include/_G_config.h || exit 1; \ + fi; \ + else true; \ + fi ; \ + cd $(srcdir); \ + for FILE in $(USER_INCLUDES); do if [ $$FILE != _G_config.h ]; then \ + rm -f $(gxx_include_dir)/$$FILE ; \ + $(INSTALL_DATA) $$FILE $(gxx_include_dir)/$$FILE ; \ + chmod a-x $(gxx_include_dir)/$$FILE ; \ + else true; fi; done ; \ + else true; \ + fi + @rootme=`pwd`/ ; export rootme ; \ + $(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=install + +c++clean: + rm -rf $(IOSTREAM_OBJECTS) + @$(MAKE) $(FLAGS_TO_PASS) "DODIRS=tests" DO=clean subdir_do diff --git a/contrib/libio/NEWS b/contrib/libio/NEWS new file mode 100644 index 0000000..1f3b778 --- /dev/null +++ b/contrib/libio/NEWS @@ -0,0 +1,57 @@ +*** Major changes in libio for egcs: + +* Better support for Linux. + +* Dejagnu testsuite. + +*** Major changes in libio version 2.7.0: + +* The data representations of _IO_FILE and streambufs have been modified. + The layout of the jump-table table _IO_jumps_t has been re-arranged + to match that of a virtual function table of a streambuf. Therefore, + we no longer need a separate _IO_FILE::_jumps pointer; instead it can + be shared with the virtual function table pointer. In addition to + saving space, this also removes the overhead when double indirection + was needed, and there are many simplificatons (e.g. we no longer need + the builtinbuf class. + +* The streambuf::uflow virtual has been added, to match the standard. + +* The ifstream, ofstream, and fstream classes now include the filebuf + as a member, rather than being pointed to it. Various related changes. + +* Version number changed to generally follow libg++ (and gcc). + +*** Major changes in libio version 0.66 (released with libg++ 2.6.1): + +* Some documentation and an example in iostream.texi on how to derive + your own class from streambuf. + +* New functions added to stdio: getline, detdelim, snprintf, vsnprintf. + This is for compatibility with the GNU C library. + +*** Major changes in libio version 0.65 (released with libg++ 2.6): + +* _IO_getline and streambuf::sgetline no longer write a '\0' at the end. + +* A number of improvements to get closer to the ANSI/ISO C++ working +paper, such as: +- Added (preliminary support for) new ANSI streambuf::uflow virtual. +- Added istdiostream and ostdiostream classes. +- Added ostream::operator<<(bool) and istream::operator>>(bool&). + +* More robust (and faster) initialization and cleanup of standard streambufs. + +* Many small bug fixes, portability improvements, and random enhancements. + +*** Major changes in libio version 0.63 (released with libg++ 2.5.3): + +* There is a g++ bug that causes inconsistent name mangling for the +assembler name of the virtual function table for the istream class. +A work-around has been put into streambuf.h, which will make g++ +always do the right thing. Note that this may require you to +recompile programs that were incorrectly compiled by g++. + +* Functions that do printf-style formatting to the unbuffered +streams have been optimized to write to a temporary buffer. + diff --git a/contrib/libio/PlotFile.cc b/contrib/libio/PlotFile.cc new file mode 100644 index 0000000..98b2d83 --- /dev/null +++ b/contrib/libio/PlotFile.cc @@ -0,0 +1,157 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +// This may look like C code, but it is really -*- C++ -*- +/* +Copyright (C) 1988, 1992, 1993 Free Software Foundation + written by Doug Lea (dl@rocky.oswego.edu) + converted to use iostream library by Per Bothner (bothner@cygnus.com) + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with GCC to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include <PlotFile.h> + +/* + PlotFile implementation module +*/ + + +PlotFile& PlotFile:: cmd(char c) +{ + ofstream::put(c); + return *this; +} + +PlotFile& PlotFile:: operator<<(const int x) +{ +#if defined(convex) + ofstream::put((char)(x>>8)); + ofstream::put((char)(x&0377)); +#else + ofstream::put((char)(x&0377)); + ofstream::put((char)(x>>8)); +#endif + return *this; +} + +PlotFile& PlotFile:: operator<<(const char *s) +{ + *(ofstream*)this << s; + return *this; +} + + +PlotFile& PlotFile:: arc(const int xi, const int yi, + const int x0, const int y0, + const int x1, const int y1) +{ + return cmd('a') << xi << yi << x0 << y0 << x1 << y1; +} + + +PlotFile& PlotFile:: box(const int x0, const int y0, + const int x1, const int y1) +{ + line(x0, y0, x0, y1); + line(x0, y1, x1, y1); + line(x1, y1, x1, y0); + return line(x1, y0, x0, y0); +} + +PlotFile& PlotFile:: circle(const int x, const int y, const int r) +{ + return cmd('c') << x << y << r; +} + +PlotFile& PlotFile:: cont(const int xi, const int yi) +{ + return cmd('n') << xi << yi; +} + +PlotFile& PlotFile:: dot(const int xi, const int yi, const int dx, + int n, const int* pat) +{ + cmd('d') << xi << yi << dx << n; + while (n-- > 0) *this << *pat++; + return *this; +} + +PlotFile& PlotFile:: erase() +{ + return cmd('e'); +} + +PlotFile& PlotFile:: label(const char* s) +{ + return cmd('t') << s << "\n"; +} + +PlotFile& PlotFile:: line(const int x0, const int y0, + const int x1, const int y1) +{ + return cmd('l') << x0 << y0 << x1 << y1; +} + +PlotFile& PlotFile:: linemod(const char* s) +{ + return cmd('f') << s << "\n"; +} + +PlotFile& PlotFile:: move(const int xi, const int yi) +{ + return cmd('m') << xi << yi; +} + +PlotFile& PlotFile:: point(const int xi, const int yi) +{ + return cmd('p') << xi << yi; +} + +PlotFile& PlotFile:: space(const int x0, const int y0, + const int x1, const int y1) +{ + return cmd('s') << x0 << y0 << x1 << y1; +} diff --git a/contrib/libio/PlotFile.h b/contrib/libio/PlotFile.h new file mode 100644 index 0000000..82b08bc --- /dev/null +++ b/contrib/libio/PlotFile.h @@ -0,0 +1,89 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* + a very simple implementation of a class to output unix "plot" + format plotter files. See corresponding unix man pages for + more details. + + written by Doug Lea (dl@rocky.oswego.edu) + converted to use iostream library by Per Bothner (bothner@cygnus.com) +*/ + +#ifndef _PlotFile_h +#ifdef __GNUG__ +#pragma interface +#endif +#define _PlotFile_h + +#include <fstream.h> + +/* + Some plot libraries have the `box' command to draw boxes. Some don't. + `box' is included here via moves & lines to allow both possiblilties. +*/ + +extern "C++" { +class PlotFile : public ofstream +{ +protected: + PlotFile& cmd(char c); + PlotFile& operator << (const int x); + PlotFile& operator << (const char *s); + +public: + + PlotFile() : ofstream() { } + PlotFile(int fd) : ofstream(fd) { } + PlotFile(const char *name, int mode=ios::out, int prot=0664) + : ofstream(name, mode, prot) { } + +// PlotFile& remove() { ofstream::remove(); return *this; } + +// int filedesc() { return ofstream::filedesc(); } +// const char* name() { return File::name(); } +// void setname(const char* newname) { File::setname(newname); } +// int iocount() { return File::iocount(); } + + PlotFile& arc(const int xi, const int yi, + const int x0, const int y0, + const int x1, const int y1); + PlotFile& box(const int x0, const int y0, + const int x1, const int y1); + PlotFile& circle(const int x, const int y, const int r); + PlotFile& cont(const int xi, const int yi); + PlotFile& dot(const int xi, const int yi, const int dx, + int n, const int* pat); + PlotFile& erase(); + PlotFile& label(const char* s); + PlotFile& line(const int x0, const int y0, + const int x1, const int y1); + PlotFile& linemod(const char* s); + PlotFile& move(const int xi, const int yi); + PlotFile& point(const int xi, const int yi); + PlotFile& space(const int x0, const int y0, + const int x1, const int y1); +}; +} // extern "C++" +#endif diff --git a/contrib/libio/README b/contrib/libio/README new file mode 100644 index 0000000..c2d5649 --- /dev/null +++ b/contrib/libio/README @@ -0,0 +1,30 @@ +This is libio, the GNU C/C++ input/output library. + +By default, the library is configured to build the C++ iostream +facility (in $libdir/libiostream.a). + +The library can be configured to build the C stdio facility +that is part of a C run-time library. + +This library is distributed with libg++; see ../libg++/README +for installation instructions, and where to send bug reports +and questions. + +* Copyright restrictions + +The files in this directory are generally covered by the GNU Public +License (which is in the file ../COPYING), but modified with the +following: + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does not cause + the resulting executable to be covered by the GNU General Public License. + This exception does not however invalidate any other reasons why + the executable file might be covered by the GNU General Public License. + +A few source files and subroutines are covered by other (but +less restrictive) copyright conditions. E.g. some code (such +as iovfprintf.c) is based on software that was developed by the +University of California, Berkeley, for the Berkeley Software +Distribution (BSD-4.4), and bears their copyright; and one +file (floatconv.c) is derived from ("free") code copyrighted AT&T. diff --git a/contrib/libio/SFile.cc b/contrib/libio/SFile.cc new file mode 100644 index 0000000..e5daa64 --- /dev/null +++ b/contrib/libio/SFile.cc @@ -0,0 +1,82 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* +Copyright (C) 1988 Free Software Foundation + written by Doug Lea (dl@rocky.oswego.edu) + +This file is part of the GNU C++ Library. This library is free +software; you can redistribute it and/or modify it under the terms of +the GNU Library General Public License as published by the Free +Software Foundation; either version 2 of the License, or (at your +option) any later version. This library is distributed in the hope +that it will be useful, but WITHOUT ANY WARRANTY; without even the +implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR +PURPOSE. See the GNU Library General Public License for more details. +You should have received a copy of the GNU Library General Public +License along with this library; if not, write to the Free Software +Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include <SFile.h> + +SFile::SFile(const char *filename, int size, int mode, int prot) +: fstream(filename, mode, prot) +{ + sz = size; +} + +SFile::SFile(int fd, int size) +: fstream(fd) +{ + sz = size; +} + +void SFile::open(const char *name, int size, int mode, int prot) +{ + fstream::open(name, mode, prot); + sz = size; +} + +SFile& SFile::get(void* x) +{ + read(x, sz); + return *this; +} + +SFile& SFile::put(void* x) +{ + write(x, sz); + return *this; +} + +SFile& SFile::operator[](long i) +{ + if (rdbuf()->pubseekoff(i * sz, ios::beg) == EOF) + set(ios::badbit); + return *this; +} diff --git a/contrib/libio/SFile.h b/contrib/libio/SFile.h new file mode 100644 index 0000000..f07277c --- /dev/null +++ b/contrib/libio/SFile.h @@ -0,0 +1,55 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1988, 1992, 1993 Free Software Foundation + written by Doug Lea (dl@rocky.oswego.edu) + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _SFile_h +#ifdef __GNUG__ +#pragma interface +#endif +#define _SFile_h 1 + +#include <fstream.h> + +extern "C++" { +class SFile: public fstream +{ + protected: + int sz; // unit size for structured binary IO + +public: + SFile() : fstream() { } + SFile(int fd, int size); + SFile(const char *name, int size, int mode, int prot=0664); + void open(const char *name, int size, int mode, int prot=0664); + + int size() { return sz; } + int setsize(int s) { int old = sz; sz = s; return old; } + + SFile& get(void* x); + SFile& put(void* x); + SFile& operator[](long i); +}; +} // extern "C++" + +#endif diff --git a/contrib/libio/builtinbuf.cc b/contrib/libio/builtinbuf.cc new file mode 100644 index 0000000..05e65a5 --- /dev/null +++ b/contrib/libio/builtinbuf.cc @@ -0,0 +1,78 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifdef __GNUC__ +#pragma implementation +#endif +#define _STREAM_COMPAT +#include "builtinbuf.h" +#include "iostreamP.h" +#if !_IO_UNIFIED_JUMPTABLES +int builtinbuf::overflow(int ch) { return _IO_OVERFLOW (this, ch); } + +int builtinbuf::underflow() { return _IO_UNDERFLOW (this); } + +streamsize builtinbuf::xsgetn(char* buf, streamsize n) +{ return _IO_XSGETN (this, buf, n); } + +streamsize builtinbuf::xsputn(const char* buf, streamsize n) +{ return _IO_XSPUTN (this, buf, n); } + +int builtinbuf::doallocate() { return _IO_DOALLOCATE (this); } + +builtinbuf::~builtinbuf() { _IO_FINISH (this); } + +int builtinbuf::sync() { return _IO_SYNC (this); } + +streambuf* builtinbuf::setbuf(char *buf, int n) +{ return (streambuf*)_IO_SETBUF (this, buf, n); } + +streampos builtinbuf::seekoff(streamoff off, _seek_dir dir, int mode) +{ + return _IO_SEEKOFF (this, off, dir, mode); +} + +streampos builtinbuf::seekpos(streampos pos, int mode) +{ + return _IO_SEEKPOS (this, pos, mode); +} + +int builtinbuf::pbackfail(int c) +{ return _IO_PBACKFAIL (this, c); } + +streamsize builtinbuf::sys_read(char* buf, streamsize size) +{ return _IO_SYSREAD (this, buf, size); } + +streampos builtinbuf::sys_seek(streamoff off, _seek_dir dir) +{ return _IO_SYSSEEK (this, off, dir); } + +streamsize builtinbuf::sys_write(const char* buf, streamsize size) +{ return _IO_SYSWRITE (this, buf, size); } + +int builtinbuf::sys_stat(void* buf) // Actually, a (struct stat*) +{ return _IO_SYSSTAT (this, buf); } + +int builtinbuf::sys_close() +{ return _IO_SYSCLOSE (this); } +#endif diff --git a/contrib/libio/builtinbuf.h b/contrib/libio/builtinbuf.h new file mode 100644 index 0000000..3aa4c37 --- /dev/null +++ b/contrib/libio/builtinbuf.h @@ -0,0 +1,68 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _BUILTINBUF_H +#define _BUILTINBUF_H + +#ifdef __GNUC__ +#pragma interface +#endif + +#include <streambuf.h> + +#if !_IO_UNIFIED_JUMPTABLES +// A builtinbuf is a streambuf where all the virtual operations +// call the _IO_jump_t table. + +extern "C++" { +class builtinbuf : public streambuf { + friend ios; + virtual int overflow(int); + virtual int underflow(); + virtual streamsize xsgetn(char *, streamsize); + virtual streamsize xsputn(const char *, streamsize); + virtual streambuf* setbuf(char*, int); + virtual int doallocate(); + virtual ~builtinbuf(); + virtual int sync(); + + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out); + virtual int pbackfail(int c); + virtual streamsize sys_read(char* buf, streamsize size); + virtual streampos sys_seek(streamoff, _seek_dir); + virtual streamsize sys_write(const char*, streamsize); + virtual int sys_stat(void*); // Actually, a (struct stat*) + virtual int sys_close(); +#if 0 + virtual int get_column(); + virtual int set_column(int); +#endif + private: + builtinbuf() { } +}; +} // extern "C++" +#endif + +#endif /* _BUILTINBUF_H */ diff --git a/contrib/libio/cleanup.c b/contrib/libio/cleanup.c new file mode 100644 index 0000000..691fa83 --- /dev/null +++ b/contrib/libio/cleanup.c @@ -0,0 +1,17 @@ +#include "libioP.h" +#if _G_HAVE_ATEXIT +#include <stdlib.h> + +typedef void (*voidfunc) __P((void)); + +static void +_IO_register_cleanup () +{ + atexit ((voidfunc)_IO_cleanup); + _IO_cleanup_registration_needed = 0; +} + +void (*_IO_cleanup_registration_needed)() = _IO_register_cleanup; +#else +void (*_IO_cleanup_registration_needed)() = NULL; +#endif /* _G_HAVE_ATEXIT */ diff --git a/contrib/libio/config.shared b/contrib/libio/config.shared new file mode 100644 index 0000000..011263a --- /dev/null +++ b/contrib/libio/config.shared @@ -0,0 +1,496 @@ +# Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation +# +# This file is part of the GNU IO Library. This library is free +# software; you can redistribute it and/or modify it under the +# terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU CC; see the file COPYING. If not, write to +# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +# File descriptor usage: +# 1: All macros which need to be re-definable by any target fragments +# 2: All generic rules; especially those which use re-defined macros, e.g. _G_CONFIG_H! + +# Significant variables: + +# Note that TO_TOPDIR does *not* include multilib. +test -z "${TO_TOPDIR}" && TO_TOPDIR=${TOLIBGXX}../ +# Native configurations build target libraries in directories at the same +# level as the rest of the tree. Cross configurations build target libraries +# one level deeper. TO_REAL_TOPDIR accounts for this. +# Obviously, TO_REAL_TOPDIR can only be used in the build tree. +if [ "${with_target_subdir}" != "." ] ; then + TO_REAL_TOPDIR="${TO_TOPDIR}../" +else + TO_REAL_TOPDIR="${TO_TOPDIR}" +fi +DOING_LIBGXX=${DOING_LIBGXX-false} +THIS_FILE="${srcdir}/${TOLIBIO}config.shared" + +echo "# Start of package fragment generated by ${THIS_FILE}." +echo "" +echo >&2 "# Start of package rules fragment generated by ${THIS_FILE}." +echo >&2 "" + +# Multilib support. +echo 'MULTISRCTOP =' +echo 'MULTIBUILDTOP =' +echo 'MULTIDIRS =' +echo 'MULTISUBDIR =' +echo 'MULTIDO = true' +echo 'MULTICLEAN = true' +echo '' + +# TOLIBGXX +# MOSTLYCLEAN +# CLEAN +# DISTCLEAN +# REALCLEAN +# SUBDIRS [defaults to (configdirs)] +# INFO_FILES List of (basenames of) texinfo files +# INFO_SUBDIRS [default: empty] sub-directories containing documentation + +# ??? This doesn't appear to be used by us or any of our callers. +# Note that all uses in this file are single-quoted. +rootme=${rootme-`pwd`} + +# libg++ uses the convention that $rootme includes a trailing '/'. +# We use that in the definition of TOPDIR. $rootme is either empty +# or an absolute pathname to the current directory (with trailing '/'). +TOPDIR=${TOPDIR-'$${rootme}$(MULTIBUILDTOP)'${TO_REAL_TOPDIR}} +echo '#' TOPDIR="${TOPDIR} invsubdir=${invsubdir} subdir=${subdir}" +SUBDIRS=${SUBDIRS-${configdirs}} +CHECK_SUBDIRS=${CHECK_SUBDIRS-${SUBDIRS}} + +echo "srcdir = ${srcdir}" +echo "SUBDIRS = ${SUBDIRS}" +echo "CHECK_SUBDIRS = ${CHECK_SUBDIRS}" + +echo "prefix = ${prefix-/usr/local}" +echo "exec_prefix = ${exec_prefix-'${prefix}'}" + +echo 'bindir = $(exec_prefix)/bin' +echo 'libdir = $(exec_prefix)/lib' + +echo 'datadir = $(prefix)/lib' +echo 'mandir = $(prefix)/man' +echo 'man1dir = $(mandir)/man1' +echo 'man2dir = $(mandir)/man2' +echo 'man3dir = $(mandir)/man3' +echo 'man4dir = $(mandir)/man4' +echo 'man5dir = $(mandir)/man5' +echo 'man6dir = $(mandir)/man6' +echo 'man7dir = $(mandir)/man7' +echo 'man8dir = $(mandir)/man8' +echo 'man9dir = $(mandir)/man9' + +echo 'infodir = $(prefix)/info' +echo 'includedir = $(prefix)/include' +echo 'docdir = $(datadir)/doc' +echo '' +echo 'SHELL = /bin/sh' +echo '' +case "$srcdir" in + /*) echo 'INSTALL = $(srcdir)'/"${TO_TOPDIR}install-sh -c" ;; + .) echo 'INSTALL = $${rootme}'"${with_multisrctop}${TO_REAL_TOPDIR}install-sh -c" ;; + *) echo 'INSTALL = $${rootme}$(srcdir)'/"${TO_TOPDIR}install-sh -c" ;; +esac +echo 'INSTALL_PROGRAM = $(INSTALL)' +echo 'INSTALL_DATA = $(INSTALL)' +echo '' +echo 'AR = `if [ -f' ${TOPDIR}'binutils/ar ] ; \' +echo " then echo ${TOPDIR}binutils/ar ; "'\' +echo ' else echo ar ; fi`' +echo 'AR_FLAGS = rc' +echo 'RANLIB = `if [ -f' ${TOPDIR}'binutils/ranlib ] ; \' +echo ' then echo '${TOPDIR}'binutils/ranlib ; \' +echo ' else echo ranlib ; fi`' +echo 'NM = `if [ -f' ${TOPDIR}'binutils/nm.new ] ; \' +echo ' then echo '${TOPDIR}'binutils/nm.new ; \' +echo ' else echo nm ; fi`' +echo 'NLMCONV = `if [ -f' ${TOPDIR}'binutils/nlmconv ] ; \' +echo ' then echo '${TOPDIR}'binutils/nlmconv ; \' +echo ' else echo nlmconv ; fi`' +echo 'LD = `if [ -f' ${TOPDIR}'ld/ld.new ] ; \' +echo ' then echo '${TOPDIR}'ld/ld.new ; \' +echo ' else echo ld ; fi`' +echo '' +echo 'MAKEINFO = `if [ -f '${TOPDIR}'texinfo/C/makeinfo ] ; \' +echo ' then echo '${TOPDIR}'texinfo/C/makeinfo ; \' +echo ' else echo makeinfo ; fi`' +case "$srcdir" in + .) echo 'TEXIDIR = '"${with_multisrctop}${TO_REAL_TOPDIR}texinfo" ;; + *) echo 'TEXIDIR = $(srcdir)'/"${TO_TOPDIR}texinfo" ;; +esac +echo 'TEXI2DVI = TEXINPUTS=${TEXIDIR}:$$TEXINPUTS texi2dvi' +echo '' +echo 'CC = cc' +echo 'CXX = gcc' +echo '' +# FIXME!!! +if true ; then + echo 'WRAP_C_INCLUDES =' +else + echo 'WRAP_C_INCLUDES = -I$(srcdir)'/${TOLIBGXX}g++-include +fi +echo 'CFLAGS = -g' +echo 'CXXFLAGS = -g -O' +echo 'LIBCFLAGS = $(CFLAGS)' +echo 'LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates' +if [ "${LIBDIR}" = "yes" ]; then + echo 'PICDIR = stamp-picdir' +else + echo 'PICDIR = ' +fi + +if test "${DOING_LIBGXX}" = "true" ; then + echo "TOLIBGXX = ${TOLIBGXX}" + echo 'PROTODIR = $(srcdir)'/${TOLIBGXX}src/gen + echo "LIBS = -L./${TOLIBGXX} -L./${TOLIBGXX}../libstdc++ -lg++ -lstdc++" + + # You can override iostream (e.g. in a site- or host-Makefile fragment) to: + # iostream (Normal iostream library) + # old-stream (Old stream library; no longer supported) + # no-stream (If you don't want iostream to be part of libg++) + echo 'IO_DIR = ../libio' + echo '# IO_DIR = no-stream' +elif test "${DOING_GPERF}" = "true" ; then + echo "IO_DIR = libio" + echo "LIBS = -L${TO_TOPDIR}libstdc++ -lstdc++" +fi + +if [ -z "${ALL}" ] ; then + if [ -n "${TARGETLIB}" ] ; then + ALL='$(TARGETLIB)' + echo "TARGETLIB = ${TARGETLIB}" + elif [ -n "${TARGETPROG}" ] ; then + ALL='${TARGETPROG}' + echo "TARGETPROG = ${TARGETPROG}" + else + echo "config error: neither ALL, TARGETLIB or TARGETPROG is defined" 1>&2 + fi +fi + +ALL='$(PICDIR)'" ${ALL}" + +echo >&2 "all: ${ALL} multi-all" +if [ "${SUBDIRS}" != "" ] ; then + echo >&2 ' @rootme=`pwd`/; export rootme; \' + echo >&2 ' $(MAKE) "DODIRS=$(SUBDIRS)" DO=all $(FLAGS_TO_PASS) subdir_do' +fi +echo >&2 '.PHONY: all' +echo >&2 '' + +echo >&2 '.PHONY: multi-all' +echo >&2 'multi-all:' +echo >&2 ' @$(MULTIDO) $(FLAGS_TO_PASS) multi-do DO=all' +echo >&2 '' + +echo >&2 +if [ "${SUBDIRS}" != "" ] ; then + echo >&2 '.PHONY: subdir_do' + echo >&2 'subdir_do: force' + echo >&2 ' @rootme=`pwd`/; export rootme; \' + echo >&2 ' for i in $(DODIRS); do \' + echo >&2 ' if [ -f ./$$i/Makefile ] ; then \' + echo >&2 ' echo "cd $$i; make $(DO) ..." ; \' + echo >&2 ' (cd $$i ; $(MAKE) $(FLAGS_TO_PASS) $(DO)) || exit 1 ; \' + echo >&2 ' else true ; fi ; \' + echo >&2 ' done' + echo >&2 '' + echo >&2 '# List of variables to pass to sub-makes. This should not be needed' + echo >&2 '# by GNU make or Sun make (both of which pass command-line variable' + echo >&2 '# overrides thouh $(MAKE)) but may be needed by older versions.' + echo >&2 '' + echo >&2 'FLAGS_TO_PASS= \' + echo >&2 ' "SHELL=$(SHELL)" \' + echo >&2 ' "INSTALL=$(INSTALL)" \' + echo >&2 ' "INSTALL_DATA=$(INSTALL_DATA)" \' + echo >&2 ' "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \' + echo >&2 ' "prefix=$(prefix)" \' + echo >&2 ' "exec_prefix=$(exec_prefix)" \' + echo >&2 ' "tooldir=$(tooldir)" \' + echo >&2 ' "gxx_include_dir=$(gxx_include_dir)" \' + echo >&2 ' "libsubdir=$(libsubdir)" \' + echo >&2 ' "gcc_version=$(gcc_version)" \' + echo >&2 ' "gcc_version_trigger=$(gcc_version_trigger)" \' + echo >&2 ' "AR=$(AR)" \' + echo >&2 ' "AR_FLAGS=$(AR_FLAGS)" \' + echo >&2 ' "CC=$(CC)" \' + echo >&2 ' "CXX=$(CXX)" \' + echo >&2 ' "CFLAGS=$(CFLAGS)" \' + echo >&2 ' "CXXFLAGS=$(CXXFLAGS)" \' + echo >&2 ' "NM=$(NM)" \' + echo >&2 ' "RANLIB=$(RANLIB)" \' + echo >&2 ' "LIBCFLAGS=$(LIBCFLAGS)" \' + echo >&2 ' "LIBCXXFLAGS=$(LIBCXXFLAGS)" \' + echo >&2 ' "LOADLIBES=$(LOADLIBES)" \' + echo >&2 ' "LDFLAGS=$(LDFLAGS)" \' + echo >&2 ' "MAKEINFO=$(MAKEINFO)" \' + echo >&2 ' "SHLIB=$(SHLIB)" \' + echo >&2 ' "SHCURSES=$(SHCURSES)" \' + echo >&2 ' "RUNTESTFLAGS=$(RUNTESTFLAGS)"' +fi + +echo >&2 'NOSTDINC = -nostdinc++' +if test -n "${XCXXINCLUDES}" ; then + echo >&2 "CXXINCLUDES = ${XCXXINCLUDES} "'$(NOSTDINC)' +elif test "${DOING_LIBGXX}" = "true" ; then + echo >&2 'CXXINCLUDES = $(NOSTDINC) -I. -I'"${TO_TOPDIR}libio"' -I$(srcdir) -I$(srcdir)/'"${TOLIBGXX}"'$(IO_DIR) -I$(srcdir)/'"${TOLIBGXX}"'../libstdc++ -I$(srcdir)/'"${TOLIBGXX}src"' '"${host_includes}"' $(WRAP_C_INCLUDES)' +fi +if test -n "${XCINCLUDES}" ; then + echo >&2 "CINCLUDES = ${XCINCLUDES}" +elif test "${DOING_LIBGXX}" = "true" ; then + echo >&2 'CINCLUDES =' +fi + +if [ "${LIBDIR}" = "yes" ]; then + echo >&2 'XCFLAGS = $(LIBCFLAGS)' + echo >&2 'XCXXFLAGS = $(LIBCXXFLAGS)' +else + echo >&2 'XCFLAGS = $(CFLAGS)' + echo >&2 'XCXXFLAGS = $(CXXFLAGS)' +fi + +echo >&2 '.SUFFIXES: .o .C .cc .c' +echo >&2 'COMPILE.c = $(CC) -c $(XCFLAGS) $(CINCLUDES) $(MT_CFLAGS)' +echo >&2 '.c.o:' +if [ "${LIBDIR}" = "yes" ]; then +echo >&2 ' test x"$(enable_shared)" != xyes ||\' +echo >&2 ' $(COMPILE.c) $(PICFLAG) $< -o pic/$@' +fi +echo >&2 ' $(COMPILE.c) $<' +[ "${TOUCH_ON_COMPILE}" = "yes" ] && echo >&2 ' @touch stamp' +echo >&2 'COMPILE.cc = $(CXX) -c $(XCXXFLAGS) $(CXXINCLUDES) $(MT_CFLAGS)' +echo >&2 '.C.o:' +if [ "${LIBDIR}" = "yes" ]; then +echo >&2 ' test x"$(enable_shared)" != xyes ||\' +echo >&2 ' $(COMPILE.cc) $(PICFLAG) $< -o pic/$@' +fi +echo >&2 ' $(COMPILE.cc) $<' +[ "${TOUCH_ON_COMPILE}" = "yes" ] && echo >&2 ' @touch stamp' +echo >&2 '.cc.o:' +if [ "${LIBDIR}" = "yes" ]; then +echo >&2 ' test x"$(enable_shared)" != xyes || \' +echo >&2 ' $(COMPILE.cc) $(PICFLAG) $< -o pic/$@' +fi +echo >&2 ' $(COMPILE.cc) $<' +[ "${TOUCH_ON_COMPILE}" = "yes" ] && echo >&2 ' @touch stamp' +echo >&2 '' + +if [ -n "${TARGETLIB}" ] ; then + echo TARGETLIB = ${TARGETLIB} +fi +if [ -n "${TARGETPROG}" ] ; then + echo TARGETPROG = ${TARGETPROG} +fi + +if [ "${LIBDIR}" = "yes" ]; then + echo >&2 '' + echo >&2 'stamp-picdir:' + echo >&2 ' if [ x"$(enable_shared)" = xyes ] && [ ! -d pic ]; then \' + echo >&2 ' mkdir pic; \' + echo >&2 ' else true; fi' + echo >&2 ' touch stamp-picdir' +fi + +echo >&2 '' +echo >&2 '.PHONY: install' +echo >&2 'install:' +echo >&2 '.PHONY: check' +if [ "${CHECK}" != "check" ] ; then + echo >&2 "check: ${ALL} ${CHECK}" + if [ "${CHECK_SUBDIRS}" != "" ] ; then + echo >&2 ' rootme=`pwd`/; export rootme; \' + echo >&2 ' SAVE_LLPATH="$${SAVE_LLPATH-$$LD_LIBRARY_PATH}"; export SAVE_LLPATH; \' + echo >&2 ' LD_LIBRARY_PATH="$${rootme}${TOLIBGXX}../libstdc++:$${rootme}${TOLIBGXX}../libg++:$$SAVE_LLPATH"; \' + echo >&2 ' export LD_LIBRARY_PATH; \' + echo >&2 ' $(MAKE) "DODIRS=$(CHECK_SUBDIRS)" DO=check $(FLAGS_TO_PASS) subdir_do' + fi +fi + +# Generate rules for documentation (depending on INFO_FILES and INFO_SUBDIRS). + +echo >&2 '.PHONY: info dvi install-info clean-info' + +# emit the rule for 'info' +# (Note that the top-level ../Makefile.in greps for '^info:' when making +# a release (in "make taz"), so don't break that!) +if [ -z "${INFO_FILES}" ] ; then + echo >&2 'info:' +else + echo >&2 info: `for file in ${INFO_FILES} ; do echo $file.info ; done` +fi +if [ "${INFO_SUBDIRS}" != "" ] ; then + echo >&2 ' @rootme=`pwd`/; export rootme; \ + $(MAKE) "DODIRS='${INFO_SUBDIRS}'" DO=info $(FLAGS_TO_PASS) subdir_do' +fi + +# emit the rule for 'dvi' +if [ -z "${INFO_FILES}" ] ; then + echo >&2 'dvi:' +else + echo >&2 dvi: `for file in ${INFO_FILES} ; do echo $file.dvi ; done` +fi +if [ "${INFO_SUBDIRS}" != "" ] ; then + echo >&2 ' @rootme=`pwd`/; export rootme; \ + $(MAKE) "DODIRS='${INFO_SUBDIRS}'" DO=dvi $(FLAGS_TO_PASS) subdir_do' +fi + +# Emit rules for each *.info and *.dvi file +for file in ${INFO_FILES} ; do + echo >&2 ${file}.info: '$(srcdir)'/${file}.texi + echo >&2 ' $(MAKEINFO) -I$(srcdir) -I$(TEXIDIR) $(srcdir)/'${file}.texi -o ${file}.info + echo >&2 ${file}.dvi: '$(srcdir)'/${file}.texi + echo >&2 ' $(TEXI2DVI) $(srcdir)'/${file}.texi + echo >&2 "${file}.ps: ${file}.dvi" + echo >&2 " dvips ${file} -o" +done + +# emit the rule for install-info +echo >&2 'install-info:' +if [ -n "${INFO_FILES}" ] ; then + echo >&2 ' -parent=`echo $(infodir)|sed -e' "'"'s@/[^/]*$$@@'"'"'`; \' + echo >&2 ' if [ -d $$parent ] ; then true ; else mkdir $$parent ; fi' + echo >&2 ' -if [ -d $(infodir) ] ; then true ; else mkdir $(infodir) ; fi' + echo >&2 ' for i in *.info* ; do \' + echo >&2 ' $(INSTALL_DATA) $$i $(infodir)/$$i ; \' + echo >&2 ' done' +fi +if [ "${INFO_SUBDIRS}" != "" ] ; then + echo >&2 ' @rootme=`pwd`/; export rootme; \ + $(MAKE) "DODIRS='${INFO_SUBDIRS}'" DO=install-info $(FLAGS_TO_PASS) subdir_do' +fi + +# emit clean-info and clean-dvi rules +echo >&2 '.PHONY: do-clean-info clean-info do-clean-dvi clean-dvi' +echo >&2 do-clean-info: +if [ -n "${INFO_FILES}" ] ; then + echo >&2 ' rm -f *.info*' +fi +echo >&2 'do-clean-dvi:' +if [ -n "${INFO_FILES}" ] ; then + echo >&2 ' rm -f *.dvi *.aux *.cp *.cps *.fn* *.ky *.log *.pg *.toc *.tp *.vr' +fi +for type in info dvi ; do + echo >&2 clean-${type}: do-clean-${type} + if [ "${INFO_SUBDIRS}" != "" ] ; then + echo >&2 ' @rootme=`pwd`/; export rootme; \ + $(MAKE) "DODIRS='${NFO_SUBDIRS}'" DO=clean-'${type} '$(FLAGS_TO_PASS) subdir_do' + fi +done + +echo >&2 '' + +echo >&2 '.PHONY: boltcc' +echo >&2 'boltcc:' +echo >&2 ' rootme=`pwd`/ ; export rootme ; $(MAKE) $(FLAGS_TO_PASS)' +echo >&2 '' + +# Emit clean rules + +echo >&2 '' +echo >&2 '# clean rules' + +MOSTLYCLEAN="${MOSTLYCLEAN-*.o pic stamp-picdir core ${EXTRA_MOSTLYCLEAN}} `if test -n "${TOUCH_ON_COMPILE}"; then echo stamp; else true; fi`" +CLEAN="${CLEAN-${TARGETPROG} ${TARGETLIB}}" +DISTCLEAN="${DISTCLEAN-config.status Makefile *~ Make.pack target-mkfrag multilib.out ${EXTRA_DISTCLEAN-}}" +REALCLEAN="${REALCLEAN-depend *.info*}" + + +echo >&2 '.PHONY: mostlyclean clean distclean maintainer-clean realclean' +if test -z "${SUBDIRS}" ; then + echo >&2 "mostlyclean: clean-dvi" + echo >&2 " rm -rf ${MOSTLYCLEAN}" + echo >&2 ' @$(MULTICLEAN) multi-clean DO=mostlyclean' + echo >&2 "clean: clean-dvi" + echo >&2 " rm -rf ${MOSTLYCLEAN} ${CLEAN}" + echo >&2 ' @$(MULTICLEAN) multi-clean DO=clean' + echo >&2 "distclean: clean" + echo >&2 ' @$(MULTICLEAN) multi-clean DO=distclean' + echo >&2 " rm -rf ${DISTCLEAN}" + echo >&2 "maintainer-clean realclean: clean clean-info" + echo >&2 ' @$(MULTICLEAN) multi-clean DO=maintainer-clean' + echo >&2 " rm -rf ${DISTCLEAN} ${REALCLEAN}" +else + echo >&2 '.PHONY: do-clean subdir_distclean subdir_maintainer_clean' + echo >&2 "mostlyclean: do-clean-dvi" + echo >&2 " rm -rf ${MOSTLYCLEAN}" + echo >&2 ' @$(MAKE) $(FLAGS_TO_PASS) "DODIRS=$(SUBDIRS)" DO=mostlyclean subdir_do' + echo >&2 ' @$(MULTICLEAN) multi-clean DO=mostlyclean' + echo >&2 "do-clean: do-clean-dvi" + echo >&2 " rm -rf ${MOSTLYCLEAN} ${CLEAN}" + echo >&2 "clean: do-clean" + echo >&2 ' @$(MAKE) $(FLAGS_TO_PASS) "DODIRS=$(SUBDIRS)" DO=clean subdir_do' + echo >&2 ' @$(MULTICLEAN) multi-clean DO=clean' + # distclean and maintainer-clean are tricky because they remove the Makefile. + echo >&2 "subdir_distclean:" + echo >&2 ' @$(MAKE) $(FLAGS_TO_PASS) "DODIRS=$(SUBDIRS)" DO=distclean subdir_do' + echo >&2 "distclean: do-clean subdir_distclean" + echo >&2 ' @$(MULTICLEAN) multi-clean DO=distclean' + echo >&2 " rm -rf ${DISTCLEAN}" + echo >&2 "subdir_maintainer_clean:" + echo >&2 ' @$(MAKE) $(FLAGS_TO_PASS) "DODIRS=$(SUBDIRS)" DO=maintainer-clean subdir_do' + echo >&2 "maintainer-clean realclean: do-clean subdir_maintainer_clean do-clean-info" + echo >&2 ' @$(MULTICLEAN) multi-clean DO=maintainer-clean' + echo >&2 " rm -rf ${DISTCLEAN} ${REALCLEAN}" +fi + +echo >&2 '' +echo >&2 '.PHONY: force' +echo >&2 'force:' +echo >&2 '' +echo >&2 '# with the gnu make, this is done automatically.' +echo >&2 '' +echo >&2 'Makefile: $(srcdir)/Makefile.in $(host_makefile_frag) $(target_makefile_frag) $(gcc_version_trigger)' +echo >&2 ' $(SHELL) ./config.status' +echo >&2 '' +echo >&2 '.NOEXPORT:' +echo >&2 'MAKEOVERRIDES=' + +cat >&2 <<"EOF" +DEPEND_SOURCES = ${srcdir}/*.cc ${srcdir}/*.c +depend.new: +# The sed script below attempts to make the depend output portable. +# It cleans up the depenency information generated by cpp. +# It replaces instances of $(srcdir)/ by the string '$(srcdir)/'. +# It removes remaining absolute files names (such as /usr/include/stdio.h). +# It removes lines containing only "\\". +# It inserts '$(MULTISRCTOP)' in '$(srcdir)/..'. +# In order to support SunOS VPATH, $(srcdir)/[a-z]*.{c,cc} is replaced with +# [a-z]*.{c,cc} (the directory part is removed). +# The awk script removes a continuation marker that is followed by +# a blank line, since that may confuse make. + echo "# AUTOMATICALLY GENERATED BY 'make depend' - DO NOT EDIT" \ + >depend.new + $(CXX) -M $(CXXINCLUDES) $(DEPEND_SOURCES) \ + | sed -e 's|$(srcdir)/|$$(srcdir)/|g' \ + -e 's| [^ ]_G_config.h| $$(_G_CONFIG_H)|g \ + -e 's| /[^ ]*||g' \ + -e '/^[ ]*\\$$/d' -e 's/^[ ]*$$//' \ + | sed -e 's|$$(srcdir)/[.][.]|$$(srcdir)/$$(MULTISRCTOP)..|g' \ + -e 's|$$(srcdir)/\([^/]*[.]c\)|\1|' \ + | awk 'BEGIN { prev = "" } \ + /^( )*$$/ { if (prev ~ /\\$$/) \ + { prev = substr(prev,1,length(prev)-1); next } } \ + { print prev; prev = $$0 } \ + END { if (prev !~ /^( )*$$/) print prev }' \ + >> depend.new +$(srcdir)/depend: depend.new + mv depend.new $(srcdir)/depend +EOF + +if [ -f ${srcdir}/${subdir}/depend ] ; then + cat ${srcdir}/${subdir}/depend >&2 +fi + +echo "# End of package fragment generated by ${THIS_FILE}." +echo >&2 "# End of package rules fragment generated by ${THIS_FILE}." diff --git a/contrib/libio/config/hpux.mt b/contrib/libio/config/hpux.mt new file mode 100644 index 0000000..fc95afa --- /dev/null +++ b/contrib/libio/config/hpux.mt @@ -0,0 +1,3 @@ +# Flags to pass to gen-params when building _G_config.h. +# For example: G_CONFIG_ARGS = size_t="unsigned long" +G_CONFIG_ARGS = DOLLAR_IN_LABEL=1 diff --git a/contrib/libio/config/isc.mt b/contrib/libio/config/isc.mt new file mode 100644 index 0000000..15cbb8c --- /dev/null +++ b/contrib/libio/config/isc.mt @@ -0,0 +1,4 @@ +# Flags to pass to gen-params when building _G_config.h. +# For example: G_CONFIG_ARGS = size_t="unsigned long" +G_CONFIG_ARGS = pid_t="unsigned short" \ + gid_t="unsigned short" uid_t="unsigned short" diff --git a/contrib/libio/config/linux.mt b/contrib/libio/config/linux.mt new file mode 100644 index 0000000..9e3c519 --- /dev/null +++ b/contrib/libio/config/linux.mt @@ -0,0 +1,25 @@ +# Use the libio which comes with the local libc. + +# Comment this out to avoid including the stdio functions in libiostream.a: +# LIBIOSTREAM_OBJECTS = $(IO_OBJECTS) $(IOSTREAM_OBJECTS) $(STDIO_WRAP_OBJECTS) $(OSPRIM_OBJECTS) +# LIBIOSTREAM_DEP = $(LIBIOSTREAM_OBJECTS) stdio.list +# LIBIOSTREAM_USE = $(LIBIOSTREAM_OBJECTS) `cat stdio.list` + +# Comment the above and uncomment the below to use the code in the Linux libc: +# We have _G_config.h in /usr/include. +_G_CONFIG_H= + +# We must not see the libio.h file from this library. +LIBIO_INCLUDE= + +# We have those in libc.a. +IO_OBJECTS= iogetline.o +STDIO_WRAP_OBJECTS= +OSPRIM_OBJECTS= +STDIO_OBJECTS= + +# We have the rest in /usr/include. +USER_INCLUDES=PlotFile.h SFile.h builtinbuf.h editbuf.h fstream.h \ + indstream.h iomanip.h iostream.h istream.h ostream.h \ + parsestream.h pfstream.h procbuf.h stdiostream.h stream.h \ + streambuf.h strfile.h strstream.h diff --git a/contrib/libio/config/linuxaxp1-libc-lock.h b/contrib/libio/config/linuxaxp1-libc-lock.h new file mode 100644 index 0000000..2523a0d --- /dev/null +++ b/contrib/libio/config/linuxaxp1-libc-lock.h @@ -0,0 +1,112 @@ +/* libc-internal interface for mutex locks. LinuxThreads version. + Copyright (C) 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _LIBC_LOCK_H +#define _LIBC_LOCK_H 1 + +#include <pthread.h> +#define __libc_lock_t pthread_mutex_t + +/* Define a lock variable NAME with storage class CLASS. The lock must be + initialized with __libc_lock_init before it can be used (or define it + with __libc_lock_define_initialized, below). Use `extern' for CLASS to + declare a lock defined in another module. In public structure + definitions you must use a pointer to the lock structure (i.e., NAME + begins with a `*'), because its storage size will not be known outside + of libc. */ +#define __libc_lock_define(CLASS,NAME) \ + CLASS __libc_lock_t NAME; + +/* Define an initialized lock variable NAME with storage class CLASS. */ +#define __libc_lock_define_initialized(CLASS,NAME) \ + CLASS __libc_lock_t NAME = PTHREAD_MUTEX_INITIALIZER; + +/* Initialize the named lock variable, leaving it in a consistent, unlocked + state. */ +#define __libc_lock_init(NAME) \ + (__pthread_mutex_init != NULL ? __pthread_mutex_init (&(NAME), NULL) : 0); + +/* Same as last but this time we initialize a recursive mutex. */ +#define __libc_lock_init_recursive(NAME) \ + do { \ + if (__pthread_mutex_init != NULL) \ + { \ + pthread_mutexattr_t __attr; \ + __pthread_mutexattr_init (&__attr); \ + __pthread_mutexattr_setkind_np (&__attr, PTHREAD_MUTEX_RECURSIVE_NP); \ + __pthread_mutex_init (&(NAME), &__attr); \ + __pthread_mutexattr_destroy (&__attr); \ + } \ + } while (0); + +/* Finalize the named lock variable, which must be locked. It cannot be + used again until __libc_lock_init is called again on it. This must be + called on a lock variable before the containing storage is reused. */ +#define __libc_lock_fini(NAME) \ + (__pthread_mutex_destroy != NULL ? __pthread_mutex_destroy (&(NAME)) : 0); + +/* Lock the named lock variable. */ +#define __libc_lock_lock(NAME) \ + (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (&(NAME)) : 0); + +/* Try to lock the named lock variable. */ +#define __libc_lock_trylock(NAME) \ + (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (&(NAME)) : 0); + +/* Unlock the named lock variable. */ +#define __libc_lock_unlock(NAME) \ + (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (&(NAME)) : 0); + +/* Start critical region with cleanup. */ +#define __libc_cleanup_region_start(FCT, ARG) \ + { struct _pthread_cleanup_buffer _buffer; \ + if (_pthread_cleanup_push_defer != NULL) { \ + _pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \ + } + +/* End critical region with cleanup. */ +#define __libc_cleanup_region_end(DOIT) \ + if (_pthread_cleanup_push_defer != NULL) { \ + _pthread_cleanup_pop_restore (&_buffer, (DOIT)); \ + } \ + } + +/* Make the pthread functions weak so that we can elide them from + single-threaded processes. */ +#pragma weak __pthread_mutex_init +#pragma weak __pthread_mutex_destroy +#pragma weak __pthread_mutex_lock +#pragma weak __pthread_mutex_trylock +#pragma weak __pthread_mutex_unlock +#pragma weak __pthread_mutexattr_init +#pragma weak __pthread_mutexattr_destroy +#pragma weak __pthread_mutexattr_setkind_np +#pragma weak __pthread_key_create +#pragma weak __pthread_setspecific +#pragma weak __pthread_getspecific +#pragma weak __pthread_initialize +#pragma weak _pthread_cleanup_push_defer +#pragma weak _pthread_cleanup_pop_restore + +/* We need portable names for some functions. E.g., when they are + used as argument to __libc_cleanup_region_start. */ +#define __libc_mutex_unlock __pthread_mutex_unlock + +#endif /* libc-lock.h */ + diff --git a/contrib/libio/config/linuxaxp1-stdio-lock.h b/contrib/libio/config/linuxaxp1-stdio-lock.h new file mode 100644 index 0000000..cbee768 --- /dev/null +++ b/contrib/libio/config/linuxaxp1-stdio-lock.h @@ -0,0 +1,36 @@ +/* Thread package specific definitions of stream lock type. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <pthread.h> + +typedef pthread_mutex_t _IO_lock_t; + +/* We need recursive (counting) mutexes. */ +#define _IO_lock_initializer PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP + + +#define _IO_cleanup_region_start(_fct, _fp) \ + __libc_cleanup_region_start (_fct, _fp) +#define _IO_cleanup_region_end(_doit) \ + __libc_cleanup_region_end (_doit) +#define _IO_lock_init(_name) \ + __libc_lock_init_recursive (_name) +#define _IO_lock_fini(_name) \ + __libc_lock_fini_recursive (_name) + diff --git a/contrib/libio/config/linuxaxp1.mt b/contrib/libio/config/linuxaxp1.mt new file mode 100644 index 0000000..d9b7e8c --- /dev/null +++ b/contrib/libio/config/linuxaxp1.mt @@ -0,0 +1,10 @@ +# We _do_ need a new _G_config.h +_G_CONFIG_H=_G_config.h + +# And the two bits files. +all: +install: install-axp-mt-headers + +install-axp-mt-headers: + $(INSTALL_DATA) libc-lock.h $(gxx_include_dir)/libc-lock.h + $(INSTALL_DATA) stdio-lock.h $(gxx_include_dir)/stdio-lock.h diff --git a/contrib/libio/config/linuxlibc1.mt b/contrib/libio/config/linuxlibc1.mt new file mode 100644 index 0000000..742cbf1 --- /dev/null +++ b/contrib/libio/config/linuxlibc1.mt @@ -0,0 +1,26 @@ +# Use the libio which comes with the local libc. + +# Comment this out to avoid including the stdio functions in libiostream.a: +# LIBIOSTREAM_OBJECTS = $(IO_OBJECTS) $(IOSTREAM_OBJECTS) $(STDIO_WRAP_OBJECTS) $(OSPRIM_OBJECTS) +# LIBIOSTREAM_DEP = $(LIBIOSTREAM_OBJECTS) stdio.list +# LIBIOSTREAM_USE = $(LIBIOSTREAM_OBJECTS) `cat stdio.list` + +# We must not see the libio.h file from this library. +LIBIO_INCLUDE= + +# We have those in libc.a. +IO_OBJECTS=iogetc.o ioputc.o iofeof.o ioferror.o \ + filedoalloc.o fileops.o genops.o iofclose.o \ + iovsprintf.o iovsscanf.o strops.o iogetline.o +STDIO_WRAP_OBJECTS= +OSPRIM_OBJECTS= +STDIO_OBJECTS= + +# We have the rest in /usr/include. +USER_INCLUDES=PlotFile.h SFile.h builtinbuf.h editbuf.h fstream.h \ + indstream.h iomanip.h iostream.h istream.h ostream.h \ + parsestream.h pfstream.h procbuf.h stdiostream.h stream.h \ + streambuf.h strfile.h strstream.h libio.h + +# A bad kludge +MT_CFLAGS=-D_G_HAVE_MMAP -D_G_STDIO_USES_LIBIO -D_G_HAVE_WEAK_SYMBOL diff --git a/contrib/libio/config/mn10200.mt b/contrib/libio/config/mn10200.mt new file mode 100644 index 0000000..71e7916 --- /dev/null +++ b/contrib/libio/config/mn10200.mt @@ -0,0 +1,3 @@ +# Flags to pass to gen-params when building _G_config.h. +# For example: G_CONFIG_ARGS = size_t="unsigned long" +G_CONFIG_ARGS = NO_USE_DTOA=1 USE_INT32_FLAGS=1 diff --git a/contrib/libio/config/mtsafe.mt b/contrib/libio/config/mtsafe.mt new file mode 100644 index 0000000..5848851 --- /dev/null +++ b/contrib/libio/config/mtsafe.mt @@ -0,0 +1,2 @@ +# tell we want the mt-safe version +MT_CFLAGS = -D_IO_MTSAFE_IO diff --git a/contrib/libio/config/netware.mt b/contrib/libio/config/netware.mt new file mode 100644 index 0000000..339a865 --- /dev/null +++ b/contrib/libio/config/netware.mt @@ -0,0 +1,16 @@ +IMPDIR= $(srcdir)/config/netware + +PRELUDE= prelude.o + +iostream.def: Makefile + -rm -f iostream.def + echo "description \"libiostream\"" >> iostream.def + echo "screenname \"NONE\"" >> iostream.def + echo "version `echo $(VERSION) | sed 's|\.|,|g'`" >> iostream.def + echo "export @$(IMPDIR)/iostream.imp" >> iostream.def + +iostream.O: $(PRELUDE) $(LIBIOSTREAM_OBJECTS) + $(CC) -Xlinker -Ur -o $@ $(PRELUDE) $(LIBIOSTREAM_OBJECTS) + +iostream.nlm: iostream.def iostream.O $(IMPDIR)/iostream.imp + $(NLMCONV) -l $(LD) -T iostream.def iostream.O iostream.nlm diff --git a/contrib/libio/config/sco4.mt b/contrib/libio/config/sco4.mt new file mode 100644 index 0000000..1d8f6f1 --- /dev/null +++ b/contrib/libio/config/sco4.mt @@ -0,0 +1,3 @@ +# Flags to pass to gen-params when building _G_config.h. +# For example: G_CONFIG_ARGS = size_t="unsigned long" +G_CONFIG_ARGS = MATH_H_INLINES=1 diff --git a/contrib/libio/configure.in b/contrib/libio/configure.in new file mode 100644 index 0000000..5cb091d --- /dev/null +++ b/contrib/libio/configure.in @@ -0,0 +1,154 @@ +# This file is a shell script fragment that supplies the information +# necessary for a configure script to process the program in +# this directory. For more information, look at ../configure. + +if [ "${srcdir}" = "." ] ; then + if [ "${with_target_subdir}" != "." ] ; then + topsrcdir=${with_multisrctop}../.. + else + topsrcdir=${with_multisrctop}.. + fi +else + topsrcdir=${srcdir}/.. +fi + +if [ -d ${topsrcdir}/gcc ] ; then + configdirs="tests dbz stdio testsuite" +else + configdirs="tests dbz stdio" +fi +srctrigger=libioP.h +srcname="input/output library" +package_makefile_frag=Make.pack +package_makefile_rules_frag=Make.pack.r + +# per-host: + +# per-target: + +echo "# Warning: this fragment is automatically generated" > temp.mt +frags= + +case "${target}" in + *-hpux*) frags=hpux.mt ;; + alpha*-*-linux-gnulibc1) + frags="linux.mt linuxaxp1.mt mtsafe.mt" ;; + powerpc*-*-linux-gnulibc1) + frags="linux.mt linuxaxp1.mt mtsafe.mt" ;; + *-linux-gnulibc1) + frags=linuxlibc1.mt ;; + *-linux-gnu) frags="linux.mt mtsafe.mt" ;; + *-sco3.2v[45]*) frags=sco4.mt ;; + *-isc*) frags=isc.mt ;; + *-netware*) frags=netware.mt ;; + *) frags=${target_cpu}.mt ;; +esac + +case "${enable_shared}" in + yes) shared=yes ;; + no) shared=no ;; + *libio*) shared=yes ;; + *) shared=no ;; +esac + +if [ "${shared}" = "yes" ]; then + case "${target}" in + hppa*-*) frags="${frags} ../../config/mh-papic" ;; + i[3456]86-*) frags="${frags} ../../config/mh-x86pic" ;; + alpha*-*-linux*) frags="${frags} ../../config/mh-elfalphapic" ;; + + # There doesn't seem to be a simpler way to say all-ppc except AIX + *-*-aix*) ;; + powerpc*-* | ppc*-*) frags="${frags} ../../config/mh-ppcpic" ;; + + *) frags="${frags} ../../config/mh-${target_cpu}pic" ;; + esac +fi + +# Take care of header file lossage. +case "${target}" in + alpha*-*-linux-gnulibc1) + # For some reason stdio-lock.h is not installed on Red Hat systems. + # Further, libc-lock.h needs to define the pthreads stuff weak, and + # fails to do this for other than _LIBC. Install our own versions + # of these files. + cp ${srcdir}/config/linuxaxp1-libc-lock.h libc-lock.h + cp ${srcdir}/config/linuxaxp1-stdio-lock.h stdio-lock.h + ;; + powerpc*-*-linux-gnulibc1) + # For some reason stdio-lock.h is not installed on Red Hat systems. + # Further, libc-lock.h needs to define the pthreads stuff weak, and + # fails to do this for other than _LIBC. Install our own versions + # of these files. + cp ${srcdir}/config/linuxaxp1-libc-lock.h libc-lock.h + cp ${srcdir}/config/linuxaxp1-stdio-lock.h stdio-lock.h + ;; + *-linux-gnu) + # We have a correct libc-lock.h in glibc 2.1 but not all glibc 2.0. + # Create a wrapper if necessary. + (echo "#include <bits/libc-lock.h>" | ${CC-cc} -E -) >/dev/null 2>&1 || + { + echo "#include_next <libc-lock.h>" > libc-lock.h + echo 'asm (".weak _pthread_cleanup_pop_restore");' >> libc-lock.h + echo 'asm (".weak _pthread_cleanup_push_defer");' >> libc-lock.h + + } + ;; +esac + +for frag in ${frags}; do + case ${frag} in + ../* ) + if [ ${srcdir} = . ]; then + [ -n "${with_target_subdir}" ] && frag=../${frag} + [ -n "${with_multisrctop}" ] && frag=${with_multisrctop}${frag} + fi + ;; + esac + frag=${srcdir}/config/$frag + if [ -f ${frag} ]; then + echo "Appending ${frag} to target-mkfrag" + echo "# Following fragment copied from ${frag}" >> temp.mt + cat ${frag} >> temp.mt + fi +done + +target_makefile_frag=target-mkfrag +${moveifchange} temp.mt target-mkfrag + +LIBDIR=yes +TO_TOPDIR=../ +ALL='$(_G_CONFIG_H) libio.a libiostream.a iostream.list' +case "${target}" in + *-*-cygwin32*) + XCINCLUDES='-I. -I$(srcdir) -I$(srcdir)/../winsup/include' + XCXXINCLUDES='-I. -I$(srcdir) -I$(srcdir)/../winsup/include' + ;; + *) + XCINCLUDES='-I. -I$(srcdir)' + XCXXINCLUDES='-I. -I$(srcdir)' + ;; +esac +MOSTLYCLEAN='*.o pic stamp-picdir core iostream.list' +DISTCLEAN='config.status Makefile *~ Make.pack target-mkfrag multilib.out' +CLEAN='_G_config.h *.a' +INFO_FILES=iostream +if [ -n "${with_cross_host}" -a -d ${topsrcdir}/gcc ]; then + CHECK_SUBDIRS=testsuite +fi +(. ${srcdir}/config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag} + +# post-target: + +# If cross-compiling, don't build gperf or the utils. They +# will get built by the target compiler, which is confusing. +# We cannot test the installation. We install in $(tooldir). +if [ -n "${with_cross_host}" ] ; then + rm -f Makefile.tem + sed \ + -e 's|INSTALLDIR.*=.*$|INSTALLDIR = $(tooldir)/lib|' \ + Makefile >Makefile.tem + mv -f Makefile.tem Makefile +fi + +. ${topsrcdir}/config-ml.in diff --git a/contrib/libio/dbz/Makefile.in b/contrib/libio/dbz/Makefile.in new file mode 100644 index 0000000..6d6dc28 --- /dev/null +++ b/contrib/libio/dbz/Makefile.in @@ -0,0 +1,218 @@ +srcdir = . +CFLAGS = -g +C_FLAGS = $(CFLAGS) -I$(srcdir) -I.. -I$(srcdir)/.. -DDBZ_FINISH='_IO_flush_all()' +CC = `if [ -f ../../../gcc/gcc ] ; \ + then echo ../../../gcc/gcc -B../../../gcc/ ; \ + else echo gcc ; fi` +LIBIO = ../libio.a ../../libiberty/libiberty.a +LIBS = $(LIBIO) +# LIBS = ../libcnews.a +DBM = +RFC = -DHAVERFCIZE +CASE = case.o +DEBUG = -DDBZDEBUG +LINTFLAGS = -h $(DEBUG) $(RFC) -I$(srcdir) +LDFLAGS = +# =()<NEWSBIN = @<NEWSBIN>@>()= +NEWSBIN = /usr/lib/newsbin +# workaround for System V make bug +SHELL = /bin/sh + +# database sizes for performance tests, regression, and regression prime-find +TSIZE=12007 +RSIZE=4019 +RPSIZE=2679 + +#### host and target dependent Makefile fragments come in here. +## + +# history files for regression and performance tests +RHIST=hist3.3 +R2HIST=hist10 +THIST=hist13 + +#all: dbz +all: +install: +install-info: +info: + +check: r + $(MAKE) rclean + +bininstall: dbz + cp dbz $(NEWSBIN) + +cmp: dbz + cmp dbz $(NEWSBIN)/dbz + +newsinstall: + : nothing + +u: dbz.o + ar ruv ../libcnews.a dbz.o + cmp dbz.h ../h/dbz.h + +t: tdbz fake + +lint: + lint $(LINTFLAGS) dbzmain.c dbz.c + +.c.o: + $(CC) $(C_FLAGS) -c $< + +rdbz.o: rdbz.c + $(CC) $(C_FLAGS) $(DEBUG) -DDEFSIZE=$(RSIZE) -c rdbz.c + +rdbzmain.o: rdbzmain.c + $(CC) $(C_FLAGS) $(RFC) -c rdbzmain.c + +tdbz.o: $(srcdir)/dbz.c + cp $(srcdir)/dbz.c tdbz.c + $(CC) $(C_FLAGS) -DDEFSIZE=$(TSIZE) -c tdbz.c + rm tdbz.c + +dbz: dbzmain.o $(CASE) + $(CC) $(LDFLAGS) dbzmain.o $(CASE) $(PRE) $(DBM) $(LIBS) $(POST) -o $@ + +tdbz: dbzmain.o tdbz.o $(CASE) + $(CC) $(LDFLAGS) dbzmain.o tdbz.o $(CASE) $(PRE) $(LIBS) $(POST) -o $@ + +rdbz: rdbzmain.o rdbz.o $(CASE) + $(CC) $(LDFLAGS) rdbzmain.o rdbz.o $(CASE) $(PRE) $(LIBS) $(POST) -o $@ + +fake: fake.o random.o + $(CC) $(LDFLAGS) fake.o random.o $(PRE) $(LIBS) $(POST) -o $@ + +byteflip: byteflip.o + $(CC) $(LDFLAGS) byteflip.o $(PRE) $(LIBS) $(POST) -o $@ + +hist10: fake + ./fake -t -e 75 10000 >$@ + +hist3.3: fake + ./fake -t -e 75 3300 >$@ + +hist13: fake + ./fake -t -e 75 13000 >$@ + +r: $(srcdir)/getmap $(srcdir)/revbytes $(srcdir)/altbytes stamp-r8 + : success! + +stamp-r0: + : 'WARNING: creates about 2MB of debris; do "make rclean" afterward' + rm -f dbase dbase[23] dbase.* dbase[23].* + test ! -d xx || rmdir xx + @touch stamp-r0 + +stamp-r1: $(RHIST) $(R2HIST) stamp-r0 + : crude check of synthetic history file + ( sed 25q $(RHIST) ; tail -25 $(RHIST) ) >histjunk + cmp histjunk $(srcdir)/firstlast25 + rm histjunk + @touch stamp-r1 + +r2a: rdbz stamp-r1 + : basic tests, exercising as many options as possible + cp $(RHIST) dbase + mkdir xx + chmod -w xx + ./rdbz -E 1000 -0 -M -i -S -u -U -C xx dbase + rmdir xx + sed '/> 0/d' $(RHIST) >dbase.used + test "`cat dbase.used | wc -l`" -eq "`sed -n '2s/ .*//p' dbase.dir`" ; + +stamp-r2: r2a + cp $(RHIST) dbase2 + ./rdbz -E 1000 -0 -p $(RPSIZE) -t ' ' dbase2 + cmp $(RHIST) dbase + cmp dbase dbase2 + cmp dbase.dir dbase2.dir + cmp dbase.pag dbase2.pag + ./rdbz -E 1000 -0 -c dbase + ./rdbz -E 1000 -0 -c -i -q -M -U dbase + @touch stamp-r2 + +stamp-r3: stamp-r2 + : build a database and then add to it + sed 1000q $(RHIST) >dbase2 + sed 1,1000d $(RHIST) >dbase2.add + ./rdbz -E 1000 -0 dbase2 + ./rdbz -E 1000 -0 -a dbase2 dbase2.add + cmp dbase dbase2 + cmp dbase.dir dbase2.dir + cmp dbase.pag dbase2.pag + @touch stamp-r3 + +stamp-r4: stamp-r3 + : build based on existing one, test extraction and readonly files + ./rdbz -E 1000 -0 -f dbase dbase2 + test "`cat dbase.used | wc -l`" -eq "`awk 'NR==2{print $$1}' dbase2.dir`" ; + test "`cat dbase.used | wc -l`" -eq "`awk 'NR==2{print $$2}' dbase2.dir`" ; + chmod -w dbase2.dir dbase2.pag + ./rdbz -E 1000 -x dbase2 dbase >dbase.temp + cmp dbase.used dbase.temp + @touch stamp-r4 + +stamp-r5: stamp-r4 + : try some small case perversions + sed 's/\(@[^ ]*\)A/\1a/' dbase >dbase.ick + ./rdbz -E 1000 -x dbase2 dbase.ick >dbase.temp + cmp dbase.used dbase.temp + sed -n 's/A\([^ ]*@\)/a\1/p' dbase >dbase.ick + ./rdbz -x dbase2 dbase.ick >dbase.temp + test ! -s dbase.temp ; + rm -f dbase2.dir dbase2.pag + @touch stamp-r5 + +stamp-r6: stamp-r5 + : try it without tags, case-insensitive, with case perversions + ./rdbz -E 1000 -0 -p '0 b 1' dbase2 + tr '[A-M][n-z]' '[a-m][N-Z]' <dbase2 >dbase.ick + ./rdbz -E 1000 -x dbase2 dbase.ick >dbase.temp + cmp dbase.used dbase.temp + rm -f dbase.temp dbase.ick + @touch stamp-r6 + +stamp-r7: byteflip stamp-r6 + : test various perversions of byte ordering + awk -f $(srcdir)/revbytes dbase.dir >dbase2.dir + ./byteflip `$(srcdir)/getmap dbase.dir` `$(srcdir)/getmap dbase2.dir` <dbase.pag >dbase2.pag + cp dbase dbase2 + ./rdbz -E 1000 -0 -c dbase2 + awk -f $(srcdir)/altbytes dbase.dir >dbase2.dir + dd conv=swab <dbase.pag >dbase2.pag + ./rdbz -E 1000 -0 -c dbase2 + cp dbase2 dbase3 + ./rdbz -E 1000 -0 -f dbase2 dbase3 + ./rdbz -E 1000 -0 -c dbase3 + test " `$(srcdir)/getmap dbase2.dir`" = " `$(srcdir)/getmap dbase3.dir`" ; + @touch stamp-r7 + +stamp-r8: stamp-r7 + : test massive overflow, throw in case sensitivity and tag mask + cp $(R2HIST) dbase + ./rdbz -E 1000 -0 -p '0 0 7ffc0000' dbase + ./rdbz -E 1000 -0 -cq dbase + sed 100q dbase | egrep '[aA].* ' | tr aA Aa >dbase.ick + ./rdbz -x dbase dbase.ick >dbase.temp + test ! -s dbase.temp ; + @touch stamp-r8 + +rclean: + rm -f dbase dbase[23] dbase.* dbase[23].* fake fake.o random.o + rm -f rdbz rdbz.o rdbzmain.o $(RHIST) $(R2HIST) byteflip byteflip.o + rm -f histjunk core stamp-r? *~ + test ! -d xx || rmdir xx + +mostlyclean: rclean + rm -f *.o [a-z]dbz [a-z][a-z]dbz junk* PostScript.out + rm -f hist* dbase* *.bak mon.out gmon.out core dbm.h + +clean: mostlyclean + rm -f dbz + +distclean: clean + rm -rf Makefile config.status rdbz.c rdbzmain.c + +maintainer-clean realclean: distclean diff --git a/contrib/libio/dbz/README b/contrib/libio/dbz/README new file mode 100644 index 0000000..e7fa876 --- /dev/null +++ b/contrib/libio/dbz/README @@ -0,0 +1,25 @@ +The dbz package was "liberated" from C News. +It is included with the GNU libio because it provides +a fairly good work-out for a stdio implementation. +The Makefile.in, configure.in, and stdio.h have been +set up to test libio. + +------ + +This is the new, improved, lemon-freshened :-) dbz. + +Just "make" will get you dbz.o and the dbz program. "make r" runs an +extensive set of regression tests; most of the mysterious oddments lying +around here are to do with that. "make rclean" cleans up after "make r". + +You probably want to inspect the #ifdef list early in dbz.c before +compiling, although the defaults should work all right on most systems. + +If you are not building this as part of C News, you will need to change +the -I option in FLAGS in the Makefile to "-I.", and delete the DBMLIBS +and RFC lines entirely. That will break some of the regression tests; +at some point I'll fix this. + +If you are using this independently from C News, you probably still want +to look through ../notebook/problems, as some of the portability problems +described in there can affect dbz. diff --git a/contrib/libio/dbz/altbytes b/contrib/libio/dbz/altbytes new file mode 100644 index 0000000..26cc9fb --- /dev/null +++ b/contrib/libio/dbz/altbytes @@ -0,0 +1,7 @@ +NR == 1 { + printf "%s %s %s %s %s %s %s %s %s", $1, $2, $3, $4, $5, $6, $7, $8, $9 + for (i = 10; i <= NF; i += 2) + printf " %s %s", $(i+1), $i + printf "\n" +} +NR > 1 { print } diff --git a/contrib/libio/dbz/byteflip.c b/contrib/libio/dbz/byteflip.c new file mode 100644 index 0000000..d54c659 --- /dev/null +++ b/contrib/libio/dbz/byteflip.c @@ -0,0 +1,38 @@ +#include <stdio.h> + +#define MAXWORD 32 + +int +main(argc, argv) +int argc; +char *argv[]; +{ + register int len; + int inmap[MAXWORD]; + int outmap[MAXWORD]; + char in[MAXWORD]; + char out[MAXWORD]; + register int i; + register int a; + + a = 1; + len = atoi(argv[a++]); + if (len > MAXWORD) + abort(); /* kind of drastic... */ + for (i = 0; i < len; i++) + inmap[i] = atoi(argv[a++]); + if (atoi(argv[a++]) != len) + abort(); + for (i = 0; i < len; i++) + outmap[i] = atoi(argv[a++]); + + while (fread(in, 1, len, stdin) == len) { + for (i = 0; i < len; i++) + out[outmap[i]] = in[inmap[i]]; + fwrite(out, 1, len, stdout); + } +#ifdef DBZ_FINISH + DBZ_FINISH; +#endif + exit(0); +} diff --git a/contrib/libio/dbz/case.c b/contrib/libio/dbz/case.c new file mode 100644 index 0000000..87b741f --- /dev/null +++ b/contrib/libio/dbz/case.c @@ -0,0 +1,129 @@ +/* + * case-mapping stuff + * + * We exploit the fact that we are dealing only with headers here, and + * headers are limited to the ASCII characters by RFC822. It is barely + * possible that we might be dealing with a translation into another + * character set, but in particular it's very unlikely for a header + * character to be outside -128..255. + * + * Life would be a whole lot simpler if tolower() could safely and portably + * be applied to any char. + */ +#include <stdio.h> +#include "string.h" +#include "case.h" + +/* note that case.h knows the value of OFFSET */ +#define OFFSET 128 /* avoid trouble with negative chars */ +#define MAPSIZE (256+OFFSET) +char casemap[MAPSIZE]; /* relies on init to '\0' */ +static int primed = 0; /* has casemap been set up? */ + +/* + - prime - set up case-mapping stuff + */ +static void +prime() +{ + register char *lp; + register char *up; + register int c; + register int i; + static char lower[] = "abcdefghijklmnopqrstuvwxyz"; + static char upper[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + + for (lp = lower, up = upper; *lp != '\0'; lp++, up++) { + c = *lp; + casemap[c+OFFSET] = c; + casemap[*up+OFFSET] = c; + } + for (i = 0; i < MAPSIZE; i++) + if (casemap[i] == '\0') + casemap[i] = (char)(i-OFFSET); + primed = 1; +} + +/* + - cistrncmp - case-independent strncmp + */ +int /* < == > 0 */ +cistrncmp(s1, s2, len) +char *s1; +char *s2; +int len; +{ + register char *p1; + register char *p2; + register int n; + + if (!primed) + prime(); + + p1 = s1; + p2 = s2; + n = len; + while (--n >= 0 && *p1 != '\0' && TOLOW(*p1) == TOLOW(*p2)) { + p1++; + p2++; + } + if (n < 0) + return(0); + + /* + * The following case analysis is necessary so that characters + * which look negative collate low against normal characters but + * high against the end-of-string NUL. + */ + if (*p1 == '\0' && *p2 == '\0') + return(0); + else if (*p1 == '\0') + return(-1); + else if (*p2 == '\0') + return(1); + else + return(TOLOW(*p1) - TOLOW(*p2)); +} + +/* + - rfc822ize - do the bizarre case conversion needed for rfc822 message-ids + * + * Actually, this is not quite complete. Absolute, total, full RFC822 + * compliance requires a horrible parsing job, because of the arcane + * quoting conventions -- abc"def"ghi is not equivalent to abc"DEF"ghi, + * for example. There are three or four things that might occur in the + * domain part of a message-id that are case-sensitive. They don't seem + * to ever occur in real news, thank Cthulhu. (What? You were expecting + * a merciful and forgiving deity to be invoked in connection with RFC822? + * Forget it; none of them would come near it.) + */ +char * /* returns the argument */ +rfc822ize(s) +char *s; +{ + register char *p; + static char post[] = "postmaster"; + static int postlen = sizeof(post)-1; + + if (!primed) + prime(); + + p = strrchr(s, '@'); + if (p == NULL) /* no local/domain split */ + p = ""; /* assume all local */ + else if (p - (s+1) == postlen && CISTREQN(s+1, post, postlen)) { + /* crazy special case -- "postmaster" is case-insensitive */ + p = s; + } +#ifdef NONSTANDARD +#ifdef RFCVIOLATION +#ifdef B_2_11_MISTAKE + p = s; /* all case-insensitive */ +#endif +#endif +#endif + for (; *p != '\0'; p++) + *p = TOLOW(*p); + + return(s); +} diff --git a/contrib/libio/dbz/case.h b/contrib/libio/dbz/case.h new file mode 100644 index 0000000..d5ef696 --- /dev/null +++ b/contrib/libio/dbz/case.h @@ -0,0 +1,12 @@ +extern int cistrncmp(); +extern char *rfc822ize(); + +extern char casemap[]; + +/* must call cistrncmp before invoking TOLOW... */ +#define TOLOW(c) (casemap[(c)+128]) /* see case.c for why 128 */ + +/* ...but the use of it in CISTREQN is safe without the preliminary call (!) */ +/* CISTREQN is an optimised case-insensitive strncmp(a,b,n)==0; n > 0 */ +#define CISTREQN(a, b, n) \ + (TOLOW((a)[0]) == TOLOW((b)[0]) && cistrncmp(a, b, n) == 0) diff --git a/contrib/libio/dbz/configure.in b/contrib/libio/dbz/configure.in new file mode 100644 index 0000000..4cb9b57 --- /dev/null +++ b/contrib/libio/dbz/configure.in @@ -0,0 +1,17 @@ +# This file is a shell script fragment that supplies the information +# necessary for a configure script to process the program in +# this directory. For more information, look at ../configure. + +configdirs= +srctrigger=dbzmain.c +srcname="libio dbz test" + +# per-host: + +# per-target: + +files="dbz.c dbzmain.c" +links="rdbz.c rdbzmain.c" + +# post-target: + diff --git a/contrib/libio/dbz/dbz.1 b/contrib/libio/dbz/dbz.1 new file mode 100644 index 0000000..d2fff17 --- /dev/null +++ b/contrib/libio/dbz/dbz.1 @@ -0,0 +1,221 @@ +.TH DBZ 1 "11 Feb 1992" +.BY "C News" +.SH NAME +dbz \- operate on dbz databases of text +.SH SYNOPSIS +.B dbz +[ +.BR \- { axmc } +] [ +.B \-t +c +] [ +.B \-l +length +] [ +.BR \- { qiue } +] [ +.B \-f +old +] [ +.B \-p +parms +] database file ... +.SH DESCRIPTION +.I Dbz +is a shell-level interface to the +.IR dbz (3z) +database routines for indexed access to a text file. +.PP +The +.I database +file must be a text file, +one line per database record, +with the key the first field on the line. +The +.B \-t +option sets the field-separator character; the default is tab. +Setting the separator character to NUL (with +.BR "\-t\ ''" ) +makes the whole line the key. +Lines must not exceed 1023 bytes in length including the newline; +this limit can be increased with the +.B \-l +option. +The limitations and restrictions of +.IR dbz (3z) +must also be observed; +in particular, it remains the user's responsibility to ensure that +no attempt is made to store two entries (whether identical or not) +with the same key. +.PP +In the absence of options, +.I dbz +creates a +.IR dbz (3z) +index for the database; +the index comprises files +.IB database .pag +and +.IB database .dir +in the same directory. +Any previous index is silently overwritten. +The +.BR \-a , +.BR \-x , +.BR \-m , +and +.B \-c +options specify other operations. +.PP +With +.BR \-a , +.I dbz +appends lines from the +.IR file (s) +(standard input if none) +to the database, updating both the +text file and the indexes. +.PP +With +.BR \-x , +.I dbz +reads keys from the +.IR file (s) +(standard input if none) +and prints (on standard output) the corresponding lines, if any, +from the database. +The input is in the form of database lines, although only the keys are +significant. +The +.B \-q +option makes +.B \-x +print the input lines whose keys are found instead of the database +lines; this is somewhat faster. +.PP +With +.BR \-m , +operation is the same as for +.B \-x +except that the keys which are \fInot\fR present in the database are printed. +.PP +With +.BR \-c , +.I dbz +checks the database for internal consistency. +The +.B \-q +option causes this check to be done more quickly but less thoroughly +(each key is looked up in the index, but no check is made to be sure +that the index entry points to the right place). +.PP +The +.B \-i +option suppresses the use of +.IR dbz (3z)'s +.I incore +facility. +This makes accesses slower, but keeps the files current +during updating +and reduces +startup/shutdown overhead. +.PP +Normally, +.I dbz +checks whether a key is already in the database before adding it. +The +.B \-u +option suppresses this check, speeding things up at the expense of safety. +.PP +A new index is normally created with default size, +case mapping, and tagging. +The default size is right for 90-100,000 records. +The default case mapping is right for RFC822 message-ids. +See +.IR dbz (3z) +for what tagging is about. +(Note, these defaults can be changed when +.IR dbz (3z) +is installed.) +.PP +If the +.B \-f +option is given, +size, case mapping, and tagging +are instead initialized based on the +database +.IR old . +This is mostly useful when +creating a new generation of an existing database. +(See the description of +.I dbzagain +in +.IR dbz (3z) +for details.) +.PP +If the +.B \-p +option is given, the +.I parms +string specifies the size, case mapping, and tagging. +If +.I parms +is a single decimal number, +that is taken as the expected number of records +in the index, with case mapping and tagging defaulted. +Alternatively, +.I parms +can be three fields\(ema decimal number, a case-mapping code character, and a +hexadecimal tag mask\(emseparated by white space. +The decimal number is, again, the expected number of records; +0 means ``use the default''. +See +.IR dbz (3z) +for possible choices of case-mapping code, +but in particular, +.B 0 +means ``no case mapping''. +See +.IR dbz (3z) +for details on tag masks; +0 means ``use the default''. +.PP +If the +.B \-e +option is given, the decimal number in +.B \-p +is taken to be the exact table size, not the expected number of records, +and invocation of +.I dbzsize +(see +.IR dbz (3z)) +to predict a good size for that number of records is suppressed. +.PP +The +.B \&.pag +file is normally about 6 bytes per record (based on the estimate given to +.B \-p +or the previous history of the +.B \-f +database). +The +.B \&.dir +file is tiny. +.SH SEE ALSO +dbz(3z) +.SH HISTORY +Written at U of Toronto by Henry Spencer, for the C News project. +See +.IR dbz (3z) +for the history of the underlying database routines. +.SH BUGS +There are a number of undocumented options with obscure effects, +meant for debugging and regression testing of +.IR dbz (3z). +.PP +Permissions for the index files probably ought to be taken from those +of the base file. +.PP +The line-length limit is a blemish, alleviated only slightly by +.BR \-l . diff --git a/contrib/libio/dbz/dbz.3z b/contrib/libio/dbz/dbz.3z new file mode 100644 index 0000000..6df2531 --- /dev/null +++ b/contrib/libio/dbz/dbz.3z @@ -0,0 +1,547 @@ +.TH DBZ 3Z "3 Feb 1991" +.BY "C News" +.SH NAME +dbminit, fetch, store, dbmclose \- somewhat dbm-compatible database routines +.br +dbzfresh, dbzagain, dbzfetch, dbzstore \- database routines +.br +dbzsync, dbzsize, dbzincore, dbzcancel, dbzdebug \- database routines +.SH SYNOPSIS +.nf +.B #include <dbz.h> +.PP +.B dbminit(base) +.B char *base; +.PP +.B datum +.B fetch(key) +.B datum key; +.PP +.B store(key, value) +.B datum key; +.B datum value; +.PP +.B dbmclose() +.PP +.B dbzfresh(base, size, fieldsep, cmap, tagmask) +.B char *base; +.B long size; +.B int fieldsep; +.B int cmap; +.B long tagmask; +.PP +.B dbzagain(base, oldbase) +.B char *base; +.B char *oldbase; +.PP +.B datum +.B dbzfetch(key) +.B datum key; +.PP +.B dbzstore(key, value) +.B datum key; +.B datum value; +.PP +.B dbzsync() +.PP +.B long +.B dbzsize(nentries) +.B long nentries; +.PP +.B dbzincore(newvalue) +.PP +.B dbzcancel() +.PP +.B dbzdebug(newvalue) +.SH DESCRIPTION +These functions provide an indexing system for rapid random access to a +text file (the +.I base +.IR file ). +Subject to certain constraints, they are call-compatible with +.IR dbm (3), +although they also provide some extensions. +(Note that they are +.I not +file-compatible with +.I dbm +or any variant thereof.) +.PP +In principle, +.I dbz +stores key-value pairs, where both key and value are arbitrary sequences +of bytes, specified to the functions by +values of type +.IR datum , +typedefed in the header file to be a structure with members +.I dptr +(a value of type +.I char * +pointing to the bytes) +and +.I dsize +(a value of type +.I int +indicating how long the byte sequence is). +.PP +In practice, +.I dbz +is more restricted than +.IR dbm . +A +.I dbz +database +must be an index into a base file, +with the database +.IR value s +being +.IR fseek (3) +offsets into the base file. +Each such +.I value +must ``point to'' a place in the base file where the corresponding +.I key +sequence is found. +A key can be no longer than +.SM DBZMAXKEY +(a constant defined in the header file) bytes. +No key can be an initial subsequence of another, +which in most applications requires that keys be +either bracketed or terminated in some way (see the +discussion of the +.I fieldsep +parameter of +.IR dbzfresh , +below, +for a fine point on terminators). +.PP +.I Dbminit +opens a database, +an index into the base file +.IR base , +consisting of files +.IB base .dir +and +.IB base .pag +which must already exist. +(If the database is new, they should be zero-length files.) +Subsequent accesses go to that database until +.I dbmclose +is called to close the database. +The base file need not exist at the time of the +.IR dbminit , +but it must exist before accesses are attempted. +.PP +.I Fetch +searches the database for the specified +.IR key , +returning the corresponding +.IR value +if any. +.I Store +stores the +.IR key - value +pair in the database. +.I Store +will fail unless the database files are writeable. +See below for a complication arising from case mapping. +.PP +.I Dbzfresh +is a variant of +.I dbminit +for creating a new database with more control over details. +Unlike for +.IR dbminit , +the database files need not exist: +they will be created if necessary, +and truncated in any case. +.PP +.IR Dbzfresh 's +.I size +parameter specifies the size of the first hash table within the database, +in key-value pairs. +Performance will be best if +.I size +is a prime number and +the number of key-value pairs stored in the database does not exceed +about 2/3 of +.IR size . +(The +.I dbzsize +function, given the expected number of key-value pairs, +will suggest a database size that meets these criteria.) +Assuming that an +.I fseek +offset is 4 bytes, +the +.B .pag +file will be +.RI 4* size +bytes +(the +.B .dir +file is tiny and roughly constant in size) +until +the number of key-value pairs exceeds about 80% of +.IR size . +(Nothing awful will happen if the database grows beyond 100% of +.IR size , +but accesses will slow down somewhat and the +.B .pag +file will grow somewhat.) +.PP +.IR Dbzfresh 's +.I fieldsep +parameter specifies the field separator in the base file. +If this is not +NUL (0), and the last character of a +.I key +argument is NUL, that NUL compares equal to either a NUL or a +.I fieldsep +in the base file. +This permits use of NUL to terminate key strings without requiring that +NULs appear in the base file. +The +.I fieldsep +of a database created with +.I dbminit +is the horizontal-tab character. +.PP +For use in news systems, various forms of case mapping (e.g. uppercase to +lowercase) in keys are available. +The +.I cmap +parameter to +.I dbzfresh +is a single character specifying which of several mapping algorithms to use. +Available algorithms are: +.RS +.TP +.B 0 +case-sensitive: no case mapping +.TP +.B B +same as +.B 0 +.TP +.B NUL +same as +.B 0 +.TP +.B = +case-insensitive: uppercase and lowercase equivalent +.TP +.B b +same as +.B = +.TP +.B C +RFC822 message-ID rules, case-sensitive before `@' (with certain exceptions) +and case-insensitive after +.TP +.B ? +whatever the local default is, normally +.B C +.RE +.PP +Mapping algorithm +.B 0 +(no mapping) is faster than the others and is overwhelmingly the correct +choice for most applications. +Unless compatibility constraints interfere, it is more efficient to pre-map +the keys, storing mapped keys in the base file, than to have +.I dbz +do the mapping on every search. +.PP +For historical reasons, +.I fetch +and +.I store +expect their +.I key +arguments to be pre-mapped, but expect unmapped keys in the base file. +.I Dbzfetch +and +.I dbzstore +do the same jobs but handle all case mapping internally, +so the customer need not worry about it. +.PP +.I Dbz +stores only the database +.IR value s +in its files, relying on reference to the base file to confirm a hit on a key. +References to the base file can be minimized, greatly speeding up searches, +if a little bit of information about the keys can be stored in the +.I dbz +files. +This is ``free'' if there are some unused bits in an +.I fseek +offset, +so that the offset can be +.I tagged +with some information about the key. +The +.I tagmask +parameter of +.I dbzfresh +allows specifying the location of unused bits. +.I Tagmask +should be a mask with +one group of +contiguous +.B 1 +bits. +The bits in the mask should +be unused (0) in +.I most +offsets. +The bit immediately above the mask (the +.I flag +bit) should be unused (0) in +.I all +offsets; +.I (dbz)store +will reject attempts to store a key-value pair in which the +.I value +has the flag bit on. +Apart from this restriction, tagging is invisible to the user. +As a special case, a +.I tagmask +of 1 means ``no tagging'', for use with enormous base files or +on systems with unusual offset representations. +.PP +A +.I size +of 0 +given to +.I dbzfresh +is synonymous with the local default; +the normal default is suitable for tables of 90-100,000 +key-value pairs. +A +.I cmap +of 0 (NUL) is synonymous with the character +.BR 0 , +signifying no case mapping +(note that the character +.B ? +specifies the local default mapping, +normally +.BR C ). +A +.I tagmask +of 0 is synonymous with the local default tag mask, +normally 0x7f000000 (specifying the top bit in a 32-bit offset +as the flag bit, and the next 7 bits as the mask, +which is suitable for base files up to circa 24MB). +Calling +.I dbminit(name) +with the database files empty is equivalent to calling +.IR dbzfresh(name,0,'\et','?',0) . +.PP +When databases are regenerated periodically, as in news, +it is simplest to pick the parameters for a new database based on the old one. +This also permits some memory of past sizes of the old database, so that +a new database size can be chosen to cover expected fluctuations. +.I Dbzagain +is a variant of +.I dbminit +for creating a new database as a new generation of an old database. +The database files for +.I oldbase +must exist. +.I Dbzagain +is equivalent to calling +.I dbzfresh +with the same field separator, case mapping, and tag mask as the old database, +and a +.I size +equal to the result of applying +.I dbzsize +to the largest number of entries in the +.I oldbase +database and its previous 10 generations. +.PP +When many accesses are being done by the same program, +.I dbz +is massively faster if its first hash table is in memory. +If an internal flag is 1, +an attempt is made to read the table in when +the database is opened, and +.I dbmclose +writes it out to disk again (if it was read successfully and +has been modified). +.I Dbzincore +sets the flag to +.I newvalue +(which should be 0 or 1) +and returns the previous value; +this does not affect the status of a database that has already been opened. +The default is 0. +The attempt to read the table in may fail due to memory shortage; +in this case +.I dbz +quietly falls back on its default behavior. +.IR Store s +to an in-memory database are not (in general) written out to the file +until +.IR dbmclose +or +.IR dbzsync , +so if robustness in the presence of crashes +or concurrent accesses +is crucial, in-memory databases +should probably be avoided. +.PP +.I Dbzsync +causes all buffers etc. to be flushed out to the files. +It is typically used as a precaution against crashes or concurrent accesses +when a +.IR dbz -using +process will be running for a long time. +It is a somewhat expensive operation, +especially +for an in-memory database. +.PP +.I Dbzcancel +cancels any pending writes from buffers. +This is typically useful only for in-core databases, since writes are +otherwise done immediately. +Its main purpose is to let a child process, in the wake of a +.IR fork , +do a +.I dbmclose +without writing its parent's data to disk. +.PP +If +.I dbz +has been compiled with debugging facilities available (which makes it +bigger and a bit slower), +.I dbzdebug +alters the value (and returns the previous value) of an internal flag +which (when 1; default is 0) causes +verbose and cryptic debugging output on standard output. +.PP +Concurrent reading of databases is fairly safe, +but there is no (inter)locking, +so concurrent updating is not. +.PP +The database files include a record of the byte order of the processor +creating the database, and accesses by processors with different byte +order will work, although they will be slightly slower. +Byte order is preserved by +.IR dbzagain . +However, +agreement on the size and internal structure of an +.I fseek +offset is necessary, as is consensus on +the character set. +.PP +An open database occupies three +.I stdio +streams and their corresponding file descriptors; +a fourth is needed for an in-memory database. +Memory consumption is negligible (except for +.I stdio +buffers) except for in-memory databases. +.SH SEE ALSO +dbz(1), dbm(3) +.SH DIAGNOSTICS +Functions returning +.I int +values return 0 for success, \-1 for failure. +Functions returning +.I datum +values return a value with +.I dptr +set to NULL for failure. +.I Dbminit +attempts to have +.I errno +set plausibly on return, but otherwise this is not guaranteed. +An +.I errno +of +.B EDOM +from +.I dbminit +indicates that the database did not appear to be in +.I dbz +format. +.SH HISTORY +The original +.I dbz +was written by +Jon Zeeff (zeeff@b-tech.ann-arbor.mi.us). +Later contributions by David Butler and Mark Moraes. +Extensive reworking, +including this documentation, +by Henry Spencer (henry@zoo.toronto.edu) as +part of the C News project. +Hashing function by Peter Honeyman. +.SH BUGS +The +.I dptr +members of returned +.I datum +values point to static storage which is overwritten by later calls. +.PP +Unlike +.IR dbm , +.I dbz +will misbehave if an existing key-value pair is `overwritten' by +a new +.I (dbz)store +with the same key. +The user is responsible for avoiding this by using +.I (dbz)fetch +first to check for duplicates; +an internal optimization remembers the result of the +first search so there is minimal overhead in this. +.PP +Waiting until after +.I dbminit +to bring the base file into existence +will fail if +.IR chdir (2) +has been used meanwhile. +.PP +The RFC822 case mapper implements only a first approximation to the +hideously-complex RFC822 case rules. +.PP +The prime finder in +.I dbzsize +is not particularly quick. +.PP +Should implement the +.I dbm +functions +.IR delete , +.IR firstkey , +and +.IR nextkey . +.PP +On C implementations which trap integer overflow, +.I dbz +will refuse to +.I (dbz)store +an +.I fseek +offset equal to the greatest +representable +positive number, +as this would cause overflow in the biased representation used. +.PP +.I Dbzagain +perhaps ought to notice when many offsets +in the old database were +too big for +tagging, and shrink the tag mask to match. +.PP +Marking +.IR dbz 's +file descriptors +.RI close-on- exec +would be a better approach to the problem +.I dbzcancel +tries to address, but that's harder to do portably. diff --git a/contrib/libio/dbz/dbz.c b/contrib/libio/dbz/dbz.c new file mode 100644 index 0000000..7489a09 --- /dev/null +++ b/contrib/libio/dbz/dbz.c @@ -0,0 +1,1768 @@ +/* + +dbz.c V3.2 + +Copyright 1988 Jon Zeeff (zeeff@b-tech.ann-arbor.mi.us) +You can use this code in any manner, as long as you leave my name on it +and don't hold me responsible for any problems with it. + +Hacked on by gdb@ninja.UUCP (David Butler); Sun Jun 5 00:27:08 CDT 1988 + +Various improvments + INCORE by moraes@ai.toronto.edu (Mark Moraes) + +Major reworking by Henry Spencer as part of the C News project. + +These routines replace dbm as used by the usenet news software +(it's not a full dbm replacement by any means). It's fast and +simple. It contains no AT&T code. + +In general, dbz's files are 1/20 the size of dbm's. Lookup performance +is somewhat better, while file creation is spectacularly faster, especially +if the incore facility is used. + +*/ + +#include <stdio.h> +#include <sys/types.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#ifndef __STDC__ +extern int errno; +#endif +#include <dbz.h> + +/* + * #ifdef index. "LIA" = "leave it alone unless you know what you're doing". + * + * FUNNYSEEKS SEEK_SET is not 0, get it from <unistd.h> + * INDEX_SIZE backward compatibility with old dbz; avoid using this + * NMEMORY number of days of memory for use in sizing new table (LIA) + * INCORE backward compatibility with old dbz; use dbzincore() instead + * DBZDEBUG enable debugging + * DEFSIZE default table size (not as critical as in old dbz) + * OLDBNEWS default case mapping as in old B News; set NOBUFFER + * BNEWS default case mapping as in current B News; set NOBUFFER + * DEFCASE default case-map algorithm selector + * NOTAGS fseek offsets are strange, do not do tagging (see below) + * NPAGBUF size of .pag buffer, in longs (LIA) + * SHISTBUF size of ASCII-file buffer, in bytes (LIA) + * MAXRUN length of run which shifts to next table (see below) (LIA) + * OVERFLOW long-int arithmetic overflow must be avoided, will trap + * NOBUFFER do not buffer hash-table i/o, B News locking is defective + */ + +#ifdef FUNNYSEEKS +#include <unistd.h> +#else +#define SEEK_SET 0 +#endif +#ifdef OVERFLOW +#include <limits.h> +#endif + +static int dbzversion = 3; /* for validating .dir file format */ + +/* + * The dbz database exploits the fact that when news stores a <key,value> + * tuple, the `value' part is a seek offset into a text file, pointing to + * a copy of the `key' part. This avoids the need to store a copy of + * the key in the dbz files. However, the text file *must* exist and be + * consistent with the dbz files, or things will fail. + * + * The basic format of the database is a simple hash table containing the + * values. A value is stored by indexing into the table using a hash value + * computed from the key; collisions are resolved by linear probing (just + * search forward for an empty slot, wrapping around to the beginning of + * the table if necessary). Linear probing is a performance disaster when + * the table starts to get full, so a complication is introduced. The + * database is actually one *or more* tables, stored sequentially in the + * .pag file, and the length of linear-probe sequences is limited. The + * search (for an existing item or an empty slot) always starts in the + * first table, and whenever MAXRUN probes have been done in table N, + * probing continues in table N+1. This behaves reasonably well even in + * cases of massive overflow. There are some other small complications + * added, see comments below. + * + * The table size is fixed for any particular database, but is determined + * dynamically when a database is rebuilt. The strategy is to try to pick + * the size so the first table will be no more than 2/3 full, that being + * slightly before the point where performance starts to degrade. (It is + * desirable to be a bit conservative because the overflow strategy tends + * to produce files with holes in them, which is a nuisance.) + */ + +/* + * The following is for backward compatibility. + */ +#ifdef INDEX_SIZE +#define DEFSIZE INDEX_SIZE +#endif + +/* + * ANSI C says the offset argument to fseek is a long, not an off_t, for some + * reason. Let's use off_t anyway. + */ +#define SOF (sizeof(off_t)) + +/* + * We assume that unused areas of a binary file are zeros, and that the + * bit pattern of `(off_t)0' is all zeros. The alternative is rather + * painful file initialization. Note that okayvalue(), if OVERFLOW is + * defined, knows what value of an offset would cause overflow. + */ +#define VACANT ((off_t)0) +#define BIAS(o) ((o)+1) /* make any valid off_t non-VACANT */ +#define UNBIAS(o) ((o)-1) /* reverse BIAS() effect */ + +/* + * In a Unix implementation, or indeed any in which an off_t is a byte + * count, there are a bunch of high bits free in an off_t. There is a + * use for them. Checking a possible hit by looking it up in the base + * file is relatively expensive, and the cost can be dramatically reduced + * by using some of those high bits to tag the value with a few more bits + * of the key's hash. This detects most false hits without the overhead of + * seek+read+strcmp. We use the top bit to indicate whether the value is + * tagged or not, and don't tag a value which is using the tag bits itself. + * We're in trouble if the off_t representation wants to use the top bit. + * The actual bitmasks and offset come from the configuration stuff, + * which permits fiddling with them as necessary, and also suppressing + * them completely (by defining the masks to 0). We build pre-shifted + * versions of the masks for efficiency. + */ +static off_t tagbits; /* pre-shifted tag mask */ +static off_t taghere; /* pre-shifted tag-enable bit */ +static off_t tagboth; /* tagbits|taghere */ +#define HASTAG(o) ((o)&taghere) +#define TAG(o) ((o)&tagbits) +#define NOTAG(o) ((o)&~tagboth) +#define CANTAG(o) (((o)&tagboth) == 0) +#define MKTAG(v) (((v)<<conf.tagshift)&tagbits) + +/* + * A new, from-scratch database, not built as a rebuild of an old one, + * needs to know table size, casemap algorithm, and tagging. Normally + * the user supplies this info, but there have to be defaults. + */ +#ifndef DEFSIZE +#define DEFSIZE 120011 /* 300007 might be better */ +#endif +#ifdef OLDBNEWS +#define DEFCASE '0' /* B2.10 -- no mapping */ +#define NOBUFFER /* B News locking is defective */ +#endif +#ifdef BNEWS +#define DEFCASE '=' /* B2.11 -- all mapped */ +#define NOBUFFER /* B News locking is defective */ +#endif +#ifndef DEFCASE /* C News compatibility is the default */ +#define DEFCASE 'C' /* C News -- RFC822 mapping */ +#endif +#ifndef NOTAGS +#define TAGENB 0x80 /* tag enable is top bit, tag is next 7 */ +#define TAGMASK 0x7f +#define TAGSHIFT 24 +#else +#define TAGENB 0 /* no tags */ +#define TAGMASK 0 +#define TAGSHIFT 0 +#endif + +/* + * We read configuration info from the .dir file into this structure, + * so we can avoid wired-in assumptions for an existing database. + * + * Among the info is a record of recent peak usages, so that a new table + * size can be chosen intelligently when rebuilding. 10 is a good + * number of usages to keep, since news displays marked fluctuations + * in volume on a 7-day cycle. + */ +struct dbzconfig { + int olddbz; /* .dir file empty but .pag not? */ + off_t tsize; /* table size */ +# ifndef NMEMORY +# define NMEMORY 10 /* # days of use info to remember */ +# endif +# define NUSEDS (1+NMEMORY) + off_t used[NUSEDS]; /* entries used today, yesterday, ... */ + int valuesize; /* size of table values, == SOF */ + int bytemap[SOF]; /* byte-order map */ + char casemap; /* case-mapping algorithm (see cipoint()) */ + char fieldsep; /* field separator in base file, if any */ + off_t tagenb; /* unshifted tag-enable bit */ + off_t tagmask; /* unshifted tag mask */ + int tagshift; /* shift count for tagmask and tagenb */ +}; +static struct dbzconfig conf; +static int getconf(); +static long getno(); +static int putconf(); +static void mybytemap(); +static off_t bytemap(); + +/* + * For a program that makes many, many references to the database, it + * is a large performance win to keep the table in core, if it will fit. + * Note that this does hurt robustness in the event of crashes, and + * dbmclose() *must* be called to flush the in-core database to disk. + * The code is prepared to deal with the possibility that there isn't + * enough memory. There *is* an assumption that a size_t is big enough + * to hold the size (in bytes) of one table, so dbminit() tries to figure + * out whether this is possible first. + * + * The preferred way to ask for an in-core table is to do dbzincore(1) + * before dbminit(). The default is not to do it, although -DINCORE + * overrides this for backward compatibility with old dbz. + * + * We keep only the first table in core. This greatly simplifies the + * code, and bounds memory demand. Furthermore, doing this is a large + * performance win even in the event of massive overflow. + */ +#ifdef INCORE +static int incore = 1; +#else +static int incore = 0; +#endif + +/* + * Stdio buffer for .pag reads. Buffering more than about 16 does not help + * significantly at the densities we try to maintain, and the much larger + * buffers that most stdios default to are much more expensive to fill. + * With small buffers, stdio is performance-competitive with raw read(), + * and it's much more portable. + */ +#ifndef NPAGBUF +#define NPAGBUF 16 +#endif +#ifndef NOBUFFER +#ifdef _IOFBF +static off_t pagbuf[NPAGBUF]; /* only needed if !NOBUFFER && _IOFBF */ +#endif +#endif + +/* + * Stdio buffer for base-file reads. Message-IDs (all news ever needs to + * read) are essentially never longer than 64 bytes, and the typical stdio + * buffer is so much larger that it is much more expensive to fill. + */ +#ifndef SHISTBUF +#define SHISTBUF 64 +#endif +#ifdef _IOFBF +static char basebuf[SHISTBUF]; /* only needed if _IOFBF exists */ +#endif + +/* + * Data structure for recording info about searches. + */ +struct searcher { + off_t place; /* current location in file */ + int tabno; /* which table we're in */ + int run; /* how long we'll stay in this table */ +# ifndef MAXRUN +# define MAXRUN 100 +# endif + long hash; /* the key's hash code (for optimization) */ + off_t tag; /* tag we are looking for */ + int seen; /* have we examined current location? */ + int aborted; /* has i/o error aborted search? */ +}; +static void start(); +#define FRESH ((struct searcher *)NULL) +static off_t search(); +#define NOTFOUND ((off_t)-1) +static int okayvalue(); +static int set(); + +/* + * Arguably the searcher struct for a given routine ought to be local to + * it, but a fetch() is very often immediately followed by a store(), and + * in some circumstances it is a useful performance win to remember where + * the fetch() completed. So we use a global struct and remember whether + * it is current. + */ +static struct searcher srch; +static struct searcher *prevp; /* &srch or FRESH */ + +/* byte-ordering stuff */ +static int mybmap[SOF]; /* my byte order (see mybytemap()) */ +static int bytesame; /* is database order same as mine? */ +#define MAPIN(o) ((bytesame) ? (o) : bytemap((o), conf.bytemap, mybmap)) +#define MAPOUT(o) ((bytesame) ? (o) : bytemap((o), mybmap, conf.bytemap)) + +/* + * The double parentheses needed to make this work are ugly, but the + * alternative (under most compilers) is to pack around 2K of unused + * strings -- there's just no way to get rid of them. + */ +static int debug; /* controlled by dbzdebug() */ +#ifdef DBZDEBUG +#define DEBUG(args) if (debug) { (void) printf args ; } +#else +#define DEBUG(args) ; +#endif + +/* externals used */ +extern char *malloc(); +extern char *calloc(); +extern void free(); /* ANSI C; some old implementations say int */ +extern int atoi(); +extern long atol(); + +/* misc. forwards */ +static long hash(); +static void crcinit(); +static char *cipoint(); +static char *mapcase(); +static int isprime(); +static FILE *latebase(); + +/* file-naming stuff */ +static char dir[] = ".dir"; +static char pag[] = ".pag"; +static char *enstring(); + +/* central data structures */ +static FILE *basef; /* descriptor for base file */ +static char *basefname; /* name for not-yet-opened base file */ +static FILE *dirf; /* descriptor for .dir file */ +static int dirronly; /* dirf open read-only? */ +static FILE *pagf = NULL; /* descriptor for .pag file */ +static off_t pagpos; /* posn in pagf; only search may set != -1 */ +static int pagronly; /* pagf open read-only? */ +static off_t *corepag; /* incore version of .pag file, if any */ +static FILE *bufpagf; /* well-buffered pagf, for incore rewrite */ +static off_t *getcore(); +static int putcore(); +static int written; /* has a store() been done? */ + +/* + - dbzfresh - set up a new database, no historical info + */ +int /* 0 success, -1 failure */ +dbzfresh(name, size, fs, cmap, tagmask) +char *name; /* base name; .dir and .pag must exist */ +long size; /* table size (0 means default) */ +int fs; /* field-separator character in base file */ +int cmap; /* case-map algorithm (0 means default) */ +off_t tagmask; /* 0 default, 1 no tags */ +{ + register char *fn; + struct dbzconfig c; + register off_t m; + register FILE *f; + + if (pagf != NULL) { + DEBUG(("dbzfresh: database already open\n")); + return(-1); + } + if (size != 0 && size < 2) { + DEBUG(("dbzfresh: preposterous size (%ld)\n", size)); + return(-1); + } + + /* get default configuration */ + if (getconf((FILE *)NULL, (FILE *)NULL, &c) < 0) + return(-1); /* "can't happen" */ + + /* and mess with it as specified */ + if (size != 0) + c.tsize = size; + c.fieldsep = fs; + switch (cmap) { + case 0: + case '0': + case 'B': /* 2.10 compat */ + c.casemap = '0'; /* '\0' nicer, but '0' printable! */ + break; + case '=': + case 'b': /* 2.11 compat */ + c.casemap = '='; + break; + case 'C': + c.casemap = 'C'; + break; + case '?': + c.casemap = DEFCASE; + break; + default: + DEBUG(("dbzfresh case map `%c' unknown\n", cmap)); + return(-1); + break; + } + switch (tagmask) { + case 0: /* default */ + break; + case 1: /* no tags */ + c.tagshift = 0; + c.tagmask = 0; + c.tagenb = 0; + break; + default: + m = tagmask; + c.tagshift = 0; + while (!(m&01)) { + m >>= 1; + c.tagshift++; + } + c.tagmask = m; + c.tagenb = (m << 1) & ~m; + break; + } + + /* write it out */ + fn = enstring(name, dir); + if (fn == NULL) + return(-1); + f = fopen(fn, "w"); + free(fn); + if (f == NULL) { + DEBUG(("dbzfresh: unable to write config\n")); + return(-1); + } + if (putconf(f, &c) < 0) { + (void) fclose(f); + return(-1); + } + if (fclose(f) == EOF) { + DEBUG(("dbzfresh: fclose failure\n")); + return(-1); + } + + /* create/truncate .pag */ + fn = enstring(name, pag); + if (fn == NULL) + return(-1); + f = fopen(fn, "w"); + free(fn); + if (f == NULL) { + DEBUG(("dbzfresh: unable to create/truncate .pag file\n")); + return(-1); + } else + (void) fclose(f); + + /* and punt to dbminit for the hard work */ + return(dbminit(name)); +} + +/* + - dbzsize - what's a good table size to hold this many entries? + */ +long +dbzsize(contents) +long contents; /* 0 means what's the default */ +{ + register long n; + + if (contents <= 0) { /* foulup or default inquiry */ + DEBUG(("dbzsize: preposterous input (%ld)\n", contents)); + return(DEFSIZE); + } + n = (contents/2)*3; /* try to keep table at most 2/3 full */ + if (!(n&01)) /* make it odd */ + n++; + DEBUG(("dbzsize: tentative size %ld\n", n)); + while (!isprime(n)) /* and look for a prime */ + n += 2; + DEBUG(("dbzsize: final size %ld\n", n)); + + return(n); +} + +/* + - isprime - is a number prime? + * + * This is not a terribly efficient approach. + */ +static int /* predicate */ +isprime(x) +register long x; +{ + static int quick[] = { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 0 }; + register int *ip; + register long div; + register long stop; + + /* hit the first few primes quickly to eliminate easy ones */ + /* this incidentally prevents ridiculously small tables */ + for (ip = quick; (div = *ip) != 0; ip++) + if (x%div == 0) { + DEBUG(("isprime: quick result on %ld\n", (long)x)); + return(0); + } + + /* approximate square root of x */ + for (stop = x; x/stop < stop; stop >>= 1) + continue; + stop <<= 1; + + /* try odd numbers up to stop */ + for (div = *--ip; div < stop; div += 2) + if (x%div == 0) + return(0); + + return(1); +} + +/* + - dbzagain - set up a new database to be a rebuild of an old one + */ +int /* 0 success, -1 failure */ +dbzagain(name, oldname) +char *name; /* base name; .dir and .pag must exist */ +char *oldname; /* base name; all must exist */ +{ + register char *fn; + struct dbzconfig c; + register int i; + register long top; + register FILE *f; + register int newtable; + register off_t newsize; + + if (pagf != NULL) { + DEBUG(("dbzagain: database already open\n")); + return(-1); + } + + /* pick up the old configuration */ + fn = enstring(oldname, dir); + if (fn == NULL) + return(-1); + f = fopen(fn, "r"); + free(fn); + if (f == NULL) { + DEBUG(("dbzagain: cannot open old .dir file\n")); + return(-1); + } + i = getconf(f, (FILE *)NULL, &c); + (void) fclose(f); + if (i < 0) { + DEBUG(("dbzagain: getconf failed\n")); + return(-1); + } + + /* tinker with it */ + top = 0; + newtable = 0; + for (i = 0; i < NUSEDS; i++) { + if (top < c.used[i]) + top = c.used[i]; + if (c.used[i] == 0) + newtable = 1; /* hasn't got full usage history yet */ + } + if (top == 0) { + DEBUG(("dbzagain: old table has no contents!\n")); + newtable = 1; + } + for (i = NUSEDS-1; i > 0; i--) + c.used[i] = c.used[i-1]; + c.used[0] = 0; + newsize = dbzsize(top); + if (!newtable || newsize > c.tsize) /* don't shrink new table */ + c.tsize = newsize; + + /* write it out */ + fn = enstring(name, dir); + if (fn == NULL) + return(-1); + f = fopen(fn, "w"); + free(fn); + if (f == NULL) { + DEBUG(("dbzagain: unable to write new .dir\n")); + return(-1); + } + i = putconf(f, &c); + (void) fclose(f); + if (i < 0) { + DEBUG(("dbzagain: putconf failed\n")); + return(-1); + } + + /* create/truncate .pag */ + fn = enstring(name, pag); + if (fn == NULL) + return(-1); + f = fopen(fn, "w"); + free(fn); + if (f == NULL) { + DEBUG(("dbzagain: unable to create/truncate .pag file\n")); + return(-1); + } else + (void) fclose(f); + + /* and let dbminit do the work */ + return(dbminit(name)); +} + +/* + - dbminit - open a database, creating it (using defaults) if necessary + * + * We try to leave errno set plausibly, to the extent that underlying + * functions permit this, since many people consult it if dbminit() fails. + */ +int /* 0 success, -1 failure */ +dbminit(name) +char *name; +{ + register int i; + register size_t s; + register char *dirfname; + register char *pagfname; + + if (pagf != NULL) { + DEBUG(("dbminit: dbminit already called once\n")); + errno = 0; + return(-1); + } + + /* open the .dir file */ + dirfname = enstring(name, dir); + if (dirfname == NULL) + return(-1); + dirf = fopen(dirfname, "r+"); + if (dirf == NULL) { + dirf = fopen(dirfname, "r"); + dirronly = 1; + } else + dirronly = 0; + free(dirfname); + if (dirf == NULL) { + DEBUG(("dbminit: can't open .dir file\n")); + return(-1); + } + + /* open the .pag file */ + pagfname = enstring(name, pag); + if (pagfname == NULL) { + (void) fclose(dirf); + return(-1); + } + pagf = fopen(pagfname, "r+b"); + if (pagf == NULL) { + pagf = fopen(pagfname, "rb"); + if (pagf == NULL) { + DEBUG(("dbminit: .pag open failed\n")); + (void) fclose(dirf); + free(pagfname); + return(-1); + } + pagronly = 1; + } else if (dirronly) + pagronly = 1; + else + pagronly = 0; +#ifdef NOBUFFER + /* + * B News does not do adequate locking on its database accesses. + * Why it doesn't get into trouble using dbm is a mystery. In any + * case, doing unbuffered i/o does not cure the problem, but does + * enormously reduce its incidence. + */ + (void) setbuf(pagf, (char *)NULL); +#else +#ifdef _IOFBF + (void) setvbuf(pagf, (char *)pagbuf, _IOFBF, sizeof(pagbuf)); +#endif +#endif + pagpos = -1; + /* don't free pagfname, need it below */ + + /* open the base file */ + basef = fopen(name, "r"); + if (basef == NULL) { + DEBUG(("dbminit: basefile open failed\n")); + basefname = enstring(name, ""); + if (basefname == NULL) { + (void) fclose(pagf); + (void) fclose(dirf); + free(pagfname); + pagf = NULL; + return(-1); + } + } else + basefname = NULL; +#ifdef _IOFBF + if (basef != NULL) + (void) setvbuf(basef, basebuf, _IOFBF, sizeof(basebuf)); +#endif + + /* pick up configuration */ + if (getconf(dirf, pagf, &conf) < 0) { + DEBUG(("dbminit: getconf failure\n")); + (void) fclose(basef); + (void) fclose(pagf); + (void) fclose(dirf); + free(pagfname); + pagf = NULL; + errno = EDOM; /* kind of a kludge, but very portable */ + return(-1); + } + tagbits = conf.tagmask << conf.tagshift; + taghere = conf.tagenb << conf.tagshift; + tagboth = tagbits | taghere; + mybytemap(mybmap); + bytesame = 1; + for (i = 0; i < SOF; i++) + if (mybmap[i] != conf.bytemap[i]) + bytesame = 0; + + /* get first table into core, if it looks desirable and feasible */ + s = (size_t)conf.tsize * SOF; + if (incore && (off_t)(s/SOF) == conf.tsize) { + bufpagf = fopen(pagfname, (pagronly) ? "rb" : "r+b"); + if (bufpagf != NULL) + corepag = getcore(bufpagf); + } else { + bufpagf = NULL; + corepag = NULL; + } + free(pagfname); + + /* misc. setup */ + crcinit(); + written = 0; + prevp = FRESH; + DEBUG(("dbminit: succeeded\n")); + return(0); +} + +/* + - enstring - concatenate two strings into a malloced area + */ +static char * /* NULL if malloc fails */ +enstring(s1, s2) +char *s1; +char *s2; +{ + register char *p; + + p = malloc((size_t)strlen(s1) + (size_t)strlen(s2) + 1); + if (p != NULL) { + (void) strcpy(p, s1); + (void) strcat(p, s2); + } else { + DEBUG(("enstring(%s, %s) out of memory\n", s1, s2)); + } + return(p); +} + +/* + - dbmclose - close a database + */ +int +dbmclose() +{ + register int ret = 0; + + if (pagf == NULL) { + DEBUG(("dbmclose: not opened!\n")); + return(-1); + } + + if (fclose(pagf) == EOF) { + DEBUG(("dbmclose: fclose(pagf) failed\n")); + ret = -1; + } + pagf = basef; /* ensure valid pointer; dbzsync checks it */ + if (dbzsync() < 0) + ret = -1; + if (bufpagf != NULL && fclose(bufpagf) == EOF) { + DEBUG(("dbmclose: fclose(bufpagf) failed\n")); + ret = -1; + } + if (corepag != NULL) + free((char *)corepag); + corepag = NULL; + if (fclose(basef) == EOF) { + DEBUG(("dbmclose: fclose(basef) failed\n")); + ret = -1; + } + if (basefname != NULL) + free(basefname); + basef = NULL; + pagf = NULL; + if (fclose(dirf) == EOF) { + DEBUG(("dbmclose: fclose(dirf) failed\n")); + ret = -1; + } + + DEBUG(("dbmclose: %s\n", (ret == 0) ? "succeeded" : "failed")); + return(ret); +} + +/* + - dbzsync - push all in-core data out to disk + */ +int +dbzsync() +{ + register int ret = 0; + + if (pagf == NULL) { + DEBUG(("dbzsync: not opened!\n")); + return(-1); + } + if (!written) + return(0); + + if (corepag != NULL) { + if (putcore(corepag, bufpagf) < 0) { + DEBUG(("dbzsync: putcore failed\n")); + ret = -1; + } + } + if (!conf.olddbz) + if (putconf(dirf, &conf) < 0) + ret = -1; + + DEBUG(("dbzsync: %s\n", (ret == 0) ? "succeeded" : "failed")); + return(ret); +} + +/* + - dbzcancel - cancel writing of in-core data + * Mostly for use from child processes. + * Note that we don't need to futz around with stdio buffers, because we + * always fflush them immediately anyway and so they never have stale data. + */ +int +dbzcancel() +{ + if (pagf == NULL) { + DEBUG(("dbzcancel: not opened!\n")); + return(-1); + } + + written = 0; + return(0); +} + +/* + - dbzfetch - fetch() with case mapping built in + */ +datum +dbzfetch(key) +datum key; +{ + char buffer[DBZMAXKEY + 1]; + datum mappedkey; + register size_t keysize; + + DEBUG(("dbzfetch: (%s)\n", key.dptr)); + + /* Key is supposed to be less than DBZMAXKEY */ + keysize = key.dsize; + if (keysize >= DBZMAXKEY) { + keysize = DBZMAXKEY; + DEBUG(("keysize is %d - truncated to %d\n", key.dsize, DBZMAXKEY)); + } + + mappedkey.dptr = mapcase(buffer, key.dptr, keysize); + buffer[keysize] = '\0'; /* just a debug aid */ + mappedkey.dsize = keysize; + + return(fetch(mappedkey)); +} + +/* + - fetch - get an entry from the database + * + * Disgusting fine point, in the name of backward compatibility: if the + * last character of "key" is a NUL, that character is (effectively) not + * part of the comparison against the stored keys. + */ +datum /* dptr NULL, dsize 0 means failure */ +fetch(key) +datum key; +{ + char buffer[DBZMAXKEY + 1]; + static off_t key_ptr; /* return value points here */ + datum output; + register size_t keysize; + register size_t cmplen; + register char *sepp; + + DEBUG(("fetch: (%s)\n", key.dptr)); + output.dptr = NULL; + output.dsize = 0; + prevp = FRESH; + + /* Key is supposed to be less than DBZMAXKEY */ + keysize = key.dsize; + if (keysize >= DBZMAXKEY) { + keysize = DBZMAXKEY; + DEBUG(("keysize is %d - truncated to %d\n", key.dsize, DBZMAXKEY)); + } + + if (pagf == NULL) { + DEBUG(("fetch: database not open!\n")); + return(output); + } else if (basef == NULL) { /* basef didn't exist yet */ + basef = latebase(); + if (basef == NULL) + return(output); + } + + cmplen = keysize; + sepp = &conf.fieldsep; + if (key.dptr[keysize-1] == '\0') { + cmplen--; + sepp = &buffer[keysize-1]; + } + start(&srch, &key, FRESH); + while ((key_ptr = search(&srch)) != NOTFOUND) { + DEBUG(("got 0x%lx\n", key_ptr)); + + /* fetch the key */ + if (fseek(basef, key_ptr, SEEK_SET) != 0) { + DEBUG(("fetch: seek failed\n")); + return(output); + } + if (fread(buffer, 1, keysize, basef) != keysize) { + DEBUG(("fetch: read failed\n")); + return(output); + } + + /* try it */ + buffer[keysize] = '\0'; /* terminated for DEBUG */ + (void) mapcase(buffer, buffer, keysize); + DEBUG(("fetch: buffer (%s) looking for (%s) size = %d\n", + buffer, key.dptr, keysize)); + if (memcmp(key.dptr, buffer, cmplen) == 0 && + (*sepp == conf.fieldsep || *sepp == '\0')) { + /* we found it */ + output.dptr = (char *)&key_ptr; + output.dsize = SOF; + DEBUG(("fetch: successful\n")); + return(output); + } + } + + /* we didn't find it */ + DEBUG(("fetch: failed\n")); + prevp = &srch; /* remember where we stopped */ + return(output); +} + +/* + - latebase - try to open a base file that wasn't there at the start + */ +static FILE * +latebase() +{ + register FILE *it; + + if (basefname == NULL) { + DEBUG(("latebase: name foulup\n")); + return(NULL); + } + it = fopen(basefname, "r"); + if (it == NULL) { + DEBUG(("latebase: still can't open base\n")); + } else { + DEBUG(("latebase: late open succeeded\n")); + free(basefname); + basefname = NULL; +#ifdef _IOFBF + (void) setvbuf(it, basebuf, _IOFBF, sizeof(basebuf)); +#endif + } + return(it); +} + +/* + - dbzstore - store() with case mapping built in + */ +int +dbzstore(key, data) +datum key; +datum data; +{ + char buffer[DBZMAXKEY + 1]; + datum mappedkey; + register size_t keysize; + + DEBUG(("dbzstore: (%s)\n", key.dptr)); + + /* Key is supposed to be less than DBZMAXKEY */ + keysize = key.dsize; + if (keysize >= DBZMAXKEY) { + DEBUG(("dbzstore: key size too big (%d)\n", key.dsize)); + return(-1); + } + + mappedkey.dptr = mapcase(buffer, key.dptr, keysize); + buffer[keysize] = '\0'; /* just a debug aid */ + mappedkey.dsize = keysize; + + return(store(mappedkey, data)); +} + +/* + - store - add an entry to the database + */ +int /* 0 success, -1 failure */ +store(key, data) +datum key; +datum data; +{ + off_t value; + + if (pagf == NULL) { + DEBUG(("store: database not open!\n")); + return(-1); + } else if (basef == NULL) { /* basef didn't exist yet */ + basef = latebase(); + if (basef == NULL) + return(-1); + } + if (pagronly) { + DEBUG(("store: database open read-only\n")); + return(-1); + } + if (data.dsize != SOF) { + DEBUG(("store: value size wrong (%d)\n", data.dsize)); + return(-1); + } + if (key.dsize >= DBZMAXKEY) { + DEBUG(("store: key size too big (%d)\n", key.dsize)); + return(-1); + } + + /* copy the value in to ensure alignment */ + (void) memcpy((char *)&value, data.dptr, SOF); + DEBUG(("store: (%s, %ld)\n", key.dptr, (long)value)); + if (!okayvalue(value)) { + DEBUG(("store: reserved bit or overflow in 0x%lx\n", value)); + return(-1); + } + + /* find the place, exploiting previous search if possible */ + start(&srch, &key, prevp); + while (search(&srch) != NOTFOUND) + continue; + + prevp = FRESH; + conf.used[0]++; + DEBUG(("store: used count %ld\n", conf.used[0])); + written = 1; + return(set(&srch, value)); +} + +/* + - dbzincore - control attempts to keep .pag file in core + */ +int /* old setting */ +dbzincore(value) +int value; +{ + register int old = incore; + + incore = value; + return(old); +} + +/* + - getconf - get configuration from .dir file + */ +static int /* 0 success, -1 failure */ +getconf(df, pf, cp) +register FILE *df; /* NULL means just give me the default */ +register FILE *pf; /* NULL means don't care about .pag */ +register struct dbzconfig *cp; +{ + register int c; + register int i; + int err = 0; + + c = (df != NULL) ? getc(df) : EOF; + if (c == EOF) { /* empty file, no configuration known */ + cp->olddbz = 0; + if (df != NULL && pf != NULL && getc(pf) != EOF) + cp->olddbz = 1; + cp->tsize = DEFSIZE; + cp->fieldsep = '\t'; + for (i = 0; i < NUSEDS; i++) + cp->used[i] = 0; + cp->valuesize = SOF; + mybytemap(cp->bytemap); + cp->casemap = DEFCASE; + cp->tagenb = TAGENB; + cp->tagmask = TAGMASK; + cp->tagshift = TAGSHIFT; + DEBUG(("getconf: defaults (%ld, %c, (0x%lx/0x%lx<<%d))\n", + cp->tsize, cp->casemap, cp->tagenb, + cp->tagmask, cp->tagshift)); + return(0); + } + (void) ungetc(c, df); + + /* first line, the vital stuff */ + if (getc(df) != 'd' || getc(df) != 'b' || getc(df) != 'z') + err = -1; + if (getno(df, &err) != dbzversion) + err = -1; + cp->tsize = getno(df, &err); + cp->fieldsep = getno(df, &err); + while ((c = getc(df)) == ' ') + continue; + cp->casemap = c; + cp->tagenb = getno(df, &err); + cp->tagmask = getno(df, &err); + cp->tagshift = getno(df, &err); + cp->valuesize = getno(df, &err); + if (cp->valuesize != SOF) { + DEBUG(("getconf: wrong off_t size (%d)\n", cp->valuesize)); + err = -1; + cp->valuesize = SOF; /* to protect the loops below */ + } + for (i = 0; i < cp->valuesize; i++) + cp->bytemap[i] = getno(df, &err); + if (getc(df) != '\n') + err = -1; + DEBUG(("size %ld, sep %d, cmap %c, tags 0x%lx/0x%lx<<%d, ", cp->tsize, + cp->fieldsep, cp->casemap, cp->tagenb, cp->tagmask, + cp->tagshift)); + DEBUG(("bytemap (%d)", cp->valuesize)); + for (i = 0; i < cp->valuesize; i++) { + DEBUG((" %d", cp->bytemap[i])); + } + DEBUG(("\n")); + + /* second line, the usages */ + for (i = 0; i < NUSEDS; i++) + cp->used[i] = getno(df, &err); + if (getc(df) != '\n') + err = -1; + DEBUG(("used %ld %ld %ld...\n", cp->used[0], cp->used[1], cp->used[2])); + + if (err < 0) { + DEBUG(("getconf error\n")); + return(-1); + } + return(0); +} + +/* + - getno - get a long + */ +static long +getno(f, ep) +FILE *f; +int *ep; +{ + register char *p; +# define MAXN 50 + char getbuf[MAXN]; + register int c; + + while ((c = getc(f)) == ' ') + continue; + if (c == EOF || c == '\n') { + DEBUG(("getno: missing number\n")); + *ep = -1; + return(0); + } + p = getbuf; + *p++ = c; + while ((c = getc(f)) != EOF && c != '\n' && c != ' ') + if (p < &getbuf[MAXN-1]) + *p++ = c; + if (c == EOF) { + DEBUG(("getno: EOF\n")); + *ep = -1; + } else + (void) ungetc(c, f); + *p = '\0'; + + if (strspn(getbuf, "-1234567890") != strlen(getbuf)) { + DEBUG(("getno: `%s' non-numeric\n", getbuf)); + *ep = -1; + } + return(atol(getbuf)); +} + +/* + - putconf - write configuration to .dir file + */ +static int /* 0 success, -1 failure */ +putconf(f, cp) +register FILE *f; +register struct dbzconfig *cp; +{ + register int i; + register int ret = 0; + + if (fseek(f, 0, SEEK_SET) != 0) { + DEBUG(("fseek failure in putconf\n")); + ret = -1; + } + fprintf(f, "dbz %d %ld %d %c %ld %ld %d %d", dbzversion, + (long)cp->tsize, + cp->fieldsep, cp->casemap, (long)cp->tagenb, + (long)cp->tagmask, cp->tagshift, + cp->valuesize); + + for (i = 0; i < cp->valuesize; i++) + fprintf(f, " %d", cp->bytemap[i]); + fprintf(f, "\n"); + for (i = 0; i < NUSEDS; i++) + fprintf(f, "%ld%c", + (long)cp->used[i], (i < NUSEDS-1) ? ' ' : '\n'); + + + (void) fflush(f); + if (ferror(f)) + ret = -1; + + DEBUG(("putconf status %d\n", ret)); + return(ret); +} + +/* + - getcore - try to set up an in-core copy of .pag file + */ +static off_t * /* pointer to copy, or NULL */ +getcore(f) +FILE *f; +{ + register off_t *p; + register size_t i; + register size_t nread; + register char *it; + + it = malloc((size_t)conf.tsize * SOF); + if (it == NULL) { + DEBUG(("getcore: malloc failed\n")); + return(NULL); + } + + nread = fread(it, SOF, (size_t)conf.tsize, f); + if (ferror(f)) { + DEBUG(("getcore: read failed\n")); + free(it); + return(NULL); + } + + p = (off_t *)it + nread; + i = (size_t)conf.tsize - nread; + while (i-- > 0) + *p++ = VACANT; + return((off_t *)it); +} + +/* + - putcore - try to rewrite an in-core table + */ +static int /* 0 okay, -1 fail */ +putcore(tab, f) +off_t *tab; +FILE *f; +{ + if (fseek(f, 0, SEEK_SET) != 0) { + DEBUG(("fseek failure in putcore\n")); + return(-1); + } + (void) fwrite((char *)tab, SOF, (size_t)conf.tsize, f); + (void) fflush(f); + return((ferror(f)) ? -1 : 0); +} + +/* + - start - set up to start or restart a search + */ +static void +start(sp, kp, osp) +register struct searcher *sp; +register datum *kp; +register struct searcher *osp; /* may be FRESH, i.e. NULL */ +{ + register long h; + + h = hash(kp->dptr, kp->dsize); + if (osp != FRESH && osp->hash == h) { + if (sp != osp) + *sp = *osp; + DEBUG(("search restarted\n")); + } else { + sp->hash = h; + sp->tag = MKTAG(h / conf.tsize); + DEBUG(("tag 0x%lx\n", sp->tag)); + sp->place = h % conf.tsize; + sp->tabno = 0; + sp->run = (conf.olddbz) ? conf.tsize : MAXRUN; + sp->aborted = 0; + } + sp->seen = 0; +} + +/* + - search - conduct part of a search + */ +static off_t /* NOTFOUND if we hit VACANT or error */ +search(sp) +register struct searcher *sp; +{ + register off_t dest; + register off_t value; + off_t val; /* buffer for value (can't fread register) */ + register off_t place; + + if (sp->aborted) + return(NOTFOUND); + + for (;;) { + /* determine location to be examined */ + place = sp->place; + if (sp->seen) { + /* go to next location */ + if (--sp->run <= 0) { + sp->tabno++; + sp->run = MAXRUN; + } + place = (place+1)%conf.tsize + sp->tabno*conf.tsize; + sp->place = place; + } else + sp->seen = 1; /* now looking at current location */ + DEBUG(("search @ %ld\n", place)); + + /* get the tagged value */ + if (corepag != NULL && place < conf.tsize) { + DEBUG(("search: in core\n")); + value = MAPIN(corepag[place]); + } else { + /* seek, if necessary */ + dest = place * SOF; + if (pagpos != dest) { + if (fseek(pagf, dest, SEEK_SET) != 0) { + DEBUG(("search: seek failed\n")); + pagpos = -1; + sp->aborted = 1; + return(NOTFOUND); + } + pagpos = dest; + } + + /* read it */ + if (fread((char *)&val, sizeof(val), 1, pagf) == 1) + value = MAPIN(val); + else if (ferror(pagf)) { + DEBUG(("search: read failed\n")); + pagpos = -1; + sp->aborted = 1; + return(NOTFOUND); + } else + value = VACANT; + + /* and finish up */ + pagpos += sizeof(val); + } + + /* vacant slot is always cause to return */ + if (value == VACANT) { + DEBUG(("search: empty slot\n")); + return(NOTFOUND); + }; + + /* check the tag */ + value = UNBIAS(value); + DEBUG(("got 0x%lx\n", value)); + if (!HASTAG(value)) { + DEBUG(("tagless\n")); + return(value); + } else if (TAG(value) == sp->tag) { + DEBUG(("match\n")); + return(NOTAG(value)); + } else { + DEBUG(("mismatch 0x%lx\n", TAG(value))); + } + } + /* NOTREACHED */ +} + +/* + - okayvalue - check that a value can be stored + */ +static int /* predicate */ +okayvalue(value) +off_t value; +{ + if (HASTAG(value)) + return(0); +#ifdef OVERFLOW + if (value == LONG_MAX) /* BIAS() and UNBIAS() will overflow */ + return(0); +#endif + return(1); +} + +/* + - set - store a value into a location previously found by search + */ +static int /* 0 success, -1 failure */ +set(sp, value) +register struct searcher *sp; +off_t value; +{ + register off_t place = sp->place; + register off_t v = value; + + if (sp->aborted) + return(-1); + + if (CANTAG(v) && !conf.olddbz) { + v |= sp->tag | taghere; + if (v != UNBIAS(VACANT)) /* BIAS(v) won't look VACANT */ +#ifdef OVERFLOW + if (v != LONG_MAX) /* and it won't overflow */ +#endif + value = v; + } + DEBUG(("tagged value is 0x%lx\n", value)); + value = BIAS(value); + value = MAPOUT(value); + + /* If we have the index file in memory, use it */ + if (corepag != NULL && place < conf.tsize) { + corepag[place] = value; + DEBUG(("set: incore\n")); + return(0); + } + + /* seek to spot */ + pagpos = -1; /* invalidate position memory */ + if (fseek(pagf, place * SOF, SEEK_SET) != 0) { + DEBUG(("set: seek failed\n")); + sp->aborted = 1; + return(-1); + } + + /* write in data */ + if (fwrite((char *)&value, SOF, 1, pagf) != 1) { + DEBUG(("set: write failed\n")); + sp->aborted = 1; + return(-1); + } + /* fflush improves robustness, and buffer re-use is rare anyway */ + if (fflush(pagf) == EOF) { + DEBUG(("set: fflush failed\n")); + sp->aborted = 1; + return(-1); + } + + DEBUG(("set: succeeded\n")); + return(0); +} + +/* + - mybytemap - determine this machine's byte map + * + * A byte map is an array of ints, sizeof(off_t) of them. The 0th int + * is the byte number of the high-order byte in my off_t, and so forth. + */ +static void +mybytemap(map) +int map[]; /* -> int[SOF] */ +{ + union { + off_t o; + char c[SOF]; + } u; + register int *mp = &map[SOF]; + register int ntodo; + register int i; + + u.o = 1; + for (ntodo = (int)SOF; ntodo > 0; ntodo--) { + for (i = 0; i < SOF; i++) + if (u.c[i] != 0) + break; + if (i == SOF) { + /* trouble -- set it to *something* consistent */ + DEBUG(("mybytemap: nonexistent byte %d!!!\n", ntodo)); + for (i = 0; i < SOF; i++) + map[i] = i; + return; + } + DEBUG(("mybytemap: byte %d\n", i)); + *--mp = i; + while (u.c[i] != 0) + u.o <<= 1; + } +} + +/* + - bytemap - transform an off_t from byte ordering map1 to map2 + */ +static off_t /* transformed result */ +bytemap(ino, map1, map2) +off_t ino; +int *map1; +int *map2; +{ + union oc { + off_t o; + char c[SOF]; + }; + union oc in; + union oc out; + register int i; + + in.o = ino; + for (i = 0; i < SOF; i++) + out.c[map2[i]] = in.c[map1[i]]; + return(out.o); +} + +/* + * This is a simplified version of the pathalias hashing function. + * Thanks to Steve Belovin and Peter Honeyman + * + * hash a string into a long int. 31 bit crc (from andrew appel). + * the crc table is computed at run time by crcinit() -- we could + * precompute, but it takes 1 clock tick on a 750. + * + * This fast table calculation works only if POLY is a prime polynomial + * in the field of integers modulo 2. Since the coefficients of a + * 32-bit polynomial won't fit in a 32-bit word, the high-order bit is + * implicit. IT MUST ALSO BE THE CASE that the coefficients of orders + * 31 down to 25 are zero. Happily, we have candidates, from + * E. J. Watson, "Primitive Polynomials (Mod 2)", Math. Comp. 16 (1962): + * x^32 + x^7 + x^5 + x^3 + x^2 + x^1 + x^0 + * x^31 + x^3 + x^0 + * + * We reverse the bits to get: + * 111101010000000000000000000000001 but drop the last 1 + * f 5 0 0 0 0 0 0 + * 010010000000000000000000000000001 ditto, for 31-bit crc + * 4 8 0 0 0 0 0 0 + */ + +#define POLY 0x48000000L /* 31-bit polynomial (avoids sign problems) */ + +static long CrcTable[128]; + +/* + - crcinit - initialize tables for hash function + */ +static void +crcinit() +{ + register int i, j; + register long sum; + + for (i = 0; i < 128; ++i) { + sum = 0L; + for (j = 7 - 1; j >= 0; --j) + if (i & (1 << j)) + sum ^= POLY >> j; + CrcTable[i] = sum; + } + DEBUG(("crcinit: done\n")); +} + +/* + - hash - Honeyman's nice hashing function + */ +static long +hash(name, size) +register char *name; +register int size; +{ + register long sum = 0L; + + while (size--) { + sum = (sum >> 7) ^ CrcTable[(sum ^ (*name++)) & 0x7f]; + } + DEBUG(("hash: returns (%ld)\n", sum)); + return(sum); +} + +/* + * case-mapping stuff + * + * Borrowed from C News, by permission of the authors. Somewhat modified. + * + * We exploit the fact that we are dealing only with headers here, and + * headers are limited to the ASCII characters by RFC822. It is barely + * possible that we might be dealing with a translation into another + * character set, but in particular it's very unlikely for a header + * character to be outside -128..255. + * + * Life would be a whole lot simpler if tolower() could safely and portably + * be applied to any char. + */ + +#define OFFSET 128 /* avoid trouble with negative chars */ + +/* must call casencmp before invoking TOLOW... */ +#define TOLOW(c) (cmap[(c)+OFFSET]) + +/* ...but the use of it in CISTREQN is safe without the preliminary call (!) */ +/* CISTREQN is an optimised case-insensitive strncmp(a,b,n)==0; n > 0 */ +#define CISTREQN(a, b, n) \ + (TOLOW((a)[0]) == TOLOW((b)[0]) && casencmp(a, b, n) == 0) + +#define MAPSIZE (256+OFFSET) +static char cmap[MAPSIZE]; /* relies on init to '\0' */ +static int mprimed = 0; /* has cmap been set up? */ + +/* + - mapprime - set up case-mapping stuff + */ +static void +mapprime() +{ + register char *lp; + register char *up; + register int c; + register int i; + static char lower[] = "abcdefghijklmnopqrstuvwxyz"; + static char upper[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + + for (lp = lower, up = upper; *lp != '\0'; lp++, up++) { + c = *lp; + cmap[c+OFFSET] = c; + cmap[*up+OFFSET] = c; + } + for (i = 0; i < MAPSIZE; i++) + if (cmap[i] == '\0') + cmap[i] = (char)(i-OFFSET); + mprimed = 1; +} + +/* + - casencmp - case-independent strncmp + */ +static int /* < == > 0 */ +casencmp(s1, s2, len) +char *s1; +char *s2; +int len; +{ + register char *p1; + register char *p2; + register int n; + + if (!mprimed) + mapprime(); + + p1 = s1; + p2 = s2; + n = len; + while (--n >= 0 && *p1 != '\0' && TOLOW(*p1) == TOLOW(*p2)) { + p1++; + p2++; + } + if (n < 0) + return(0); + + /* + * The following case analysis is necessary so that characters + * which look negative collate low against normal characters but + * high against the end-of-string NUL. + */ + if (*p1 == '\0' && *p2 == '\0') + return(0); + else if (*p1 == '\0') + return(-1); + else if (*p2 == '\0') + return(1); + else + return(TOLOW(*p1) - TOLOW(*p2)); +} + +/* + - mapcase - do case-mapped copy + */ +static char * /* returns src or dst */ +mapcase(dst, src, siz) +char *dst; /* destination, used only if mapping needed */ +char *src; /* source; src == dst is legal */ +size_t siz; +{ + register char *s; + register char *d; + register char *c; /* case break */ + register char *e; /* end of source */ + + + c = cipoint(src, siz); + if (c == NULL) + return(src); + + if (!mprimed) + mapprime(); + s = src; + e = s + siz; + d = dst; + + while (s < c) + *d++ = *s++; + while (s < e) + *d++ = TOLOW(*s++); + + return(dst); +} + +/* + - cipoint - where in this message-ID does it become case-insensitive? + * + * The RFC822 code is not quite complete. Absolute, total, full RFC822 + * compliance requires a horrible parsing job, because of the arcane + * quoting conventions -- abc"def"ghi is not equivalent to abc"DEF"ghi, + * for example. There are three or four things that might occur in the + * domain part of a message-id that are case-sensitive. They don't seem + * to ever occur in real news, thank Cthulhu. (What? You were expecting + * a merciful and forgiving deity to be invoked in connection with RFC822? + * Forget it; none of them would come near it.) + */ +static char * /* pointer into s, or NULL for "nowhere" */ +cipoint(s, siz) +char *s; +size_t siz; +{ + register char *p; + static char post[] = "postmaster"; + static int plen = sizeof(post)-1; + + switch (conf.casemap) { + case '0': /* unmapped, sensible */ + return(NULL); + break; + case 'C': /* C News, RFC 822 conformant (approx.) */ + p = memchr(s, '@', siz); + if (p == NULL) /* no local/domain split */ + return(NULL); /* assume all local */ + else if (p - (s+1) == plen && CISTREQN(s+1, post, plen)) { + /* crazy -- "postmaster" is case-insensitive */ + return(s); + } else + return(p); + break; + case '=': /* 2.11, neither sensible nor conformant */ + return(s); /* all case-insensitive */ + break; + } + + DEBUG(("cipoint: unknown case mapping `%c'\n", conf.casemap)); + return(NULL); /* just leave it alone */ +} + +/* + - dbzdebug - control dbz debugging at run time + */ +int /* old value */ +dbzdebug(value) +int value; +{ +#ifdef DBZDEBUG + register int old = debug; + + debug = value; + return(old); +#else + return(-1); +#endif +} diff --git a/contrib/libio/dbz/dbz.h b/contrib/libio/dbz/dbz.h new file mode 100644 index 0000000..3d7e8ed --- /dev/null +++ b/contrib/libio/dbz/dbz.h @@ -0,0 +1,32 @@ +/* for dbm and dbz */ +typedef struct { + char *dptr; + int dsize; +} datum; + +/* standard dbm functions */ +extern int dbminit(); +extern datum fetch(); +extern int store(); +extern int delete(); /* not in dbz */ +extern datum firstkey(); /* not in dbz */ +extern datum nextkey(); /* not in dbz */ +extern int dbmclose(); /* in dbz, but not in old dbm */ + +/* new stuff for dbz */ +extern int dbzfresh(); +extern int dbzagain(); +extern datum dbzfetch(); +extern int dbzstore(); +extern int dbzsync(); +extern long dbzsize(); +extern int dbzincore(); +extern int dbzcancel(); +extern int dbzdebug(); + +/* + * In principle we could handle unlimited-length keys by operating a chunk + * at a time, but it's not worth it in practice. Setting a nice large + * bound on them simplifies the code and doesn't hurt anything. + */ +#define DBZMAXKEY 255 diff --git a/contrib/libio/dbz/dbzmain.c b/contrib/libio/dbz/dbzmain.c new file mode 100644 index 0000000..a393d64 --- /dev/null +++ b/contrib/libio/dbz/dbzmain.c @@ -0,0 +1,519 @@ +/* + * dbz - use and test dbz in various ways + * + * -Log- + */ + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <string.h> +#include <dbz.h> + +#ifdef FUNNYSEEKS +#include <unistd.h> +#else +#define SEEK_SET 0 +#endif + +#define STREQ(a, b) (*(a) == *(b) && strcmp((a), (b)) == 0) + +#ifndef lint +static char RCSid[] = "$Header: /egcs/carton/cvsfiles/egcs/./libio/dbz/dbzmain.c,v 1.1.1.1 1997/08/21 22:58:23 jason Exp $"; +#endif + +char *progname; + +char *inname = "(no file)"; /* filename for messages etc. */ +long lineno; /* line number for messages etc. */ + +char *my_basename; +char *pagname; +char *dir_name; +char *str2dup(); +FILE *base; + +int op = 'b'; /* what to do, default build a new table */ +int baseinput = 1; /* is the base file also the input? */ + +char *from = NULL; /* old table to use for dbzagain() */ +int omitzero = 0; /* omit lines tagged with 0 */ +long every = 0; /* report every n lines */ +int syncs = 0; /* dbzsync() on each report */ +int quick = 0; /* quick checking, not too thorough */ +int sweep = 0; /* sweep file checking all offsets */ +int useincore = 1; /* should we use incore facility? */ +long xxx = 0; /* debugging variable */ +int printx = 0; /* print xxx after all is done */ +int unique = 1; /* before store(), check with fetch() */ +int usefresh = 0; /* use dbzfresh? */ +long siz = 0; /* -p size */ +char map = 'C'; /* -p map */ +long tag = 0; /* -p tag mask */ +int exact = 0; /* do not run dbzsize(siz) */ +int dbzint = 1; /* use new interface? */ +char fs = '\t'; /* field separator, default tab */ +int unopen = 0; /* make base unopenable during dbminit? */ +char *change = NULL; /* chdir here before dbmclose */ + +#define DEFBUF 1024 /* default line-buffer size */ +int buflen = DEFBUF; /* line length limit */ +char lbuf[DEFBUF]; +char *line = lbuf; +char cbuf[DEFBUF]; +char *cmp = cbuf; + +void fail(); +void dofile(); +void runs(); +void dosweep(); +void mkfiles(); +void crfile(); +void doline(); +void process(); + +#ifdef HAVERFCIZE +extern char *rfc822ize(); +#else +#define rfc822ize(n) (n) +#endif + +extern char *malloc(); + +/* + - main - parse arguments and handle options + */ +int +main(argc, argv) +int argc; +char *argv[]; +{ + int c; + int errflg = 0; + extern int optind; + extern char *optarg; + int doruns = 0; + extern long atol(); + + progname = argv[0]; + + while ((c = getopt(argc, argv, "axcmt:l:R0E:SqOiX:Yuf:p:eMUC:d")) != EOF) + switch (c) { + case 'a': /* append to existing table */ + if (op != 'b') + fail("only one of -a -x -c -m can be given", ""); + op = 'a'; + baseinput = 0; + break; + case 'x': /* extract from existing table */ + if (op != 'b') + fail("only one of -a -x -c -m can be given", ""); + op = 'x'; + baseinput = 0; + break; + case 'c': /* check existing table */ + if (op != 'b') + fail("only one of -a -x -c -m can be given", ""); + op = 'c'; + break; + case 'm': /* extract missing (complement of -x) */ + if (op != 'b') + fail("only one of -a -x -c -m can be given", ""); + op = 'm'; + baseinput = 0; + break; + case 't': /* set field separator */ + if (strlen(optarg) > 1) + fail("only one field separator allowed", ""); + fs = *optarg; + break; + case 'l': /* override line-length limit */ + buflen = atoi(optarg) + 1; + if (buflen <= 2) + fail("bad -l value `%s'", optarg); + line = malloc(buflen); + cmp = malloc(buflen); + if (line == NULL || cmp == NULL) + fail("cannot allocate %s-byte buffers", optarg); + break; + case 'R': /* print run statistics */ + doruns = 1; + break; + case '0': /* omit lines tagged (by fake -t) with 0 */ + omitzero = 1; + break; + case 'E': /* report every n items */ + every = atol(optarg); + break; + case 'S': /* dbzsync() on each -E report */ + syncs = 1; + break; + case 'q': /* quick check or extract */ + quick = 1; + break; + case 'O': /* sweep file checking all offsets */ + sweep = 1; + break; + case 'i': /* don't use incore */ + useincore = 0; + break; + case 'X': /* set xxx */ + xxx = atoi(optarg); + break; + case 'Y': /* print xxx afterward */ + printx = 1; + break; + case 'u': /* don't check uniqueness */ + unique = 0; + break; + case 'f': /* init from existing table's parameters */ + from = optarg; + break; + case 'p': /* parameters for dbzfresh */ + if (sscanf(optarg, "%ld %1s %lx", &siz, &map, &tag) != 3) { + map = '?'; + tag = 0; + if (sscanf(optarg, "%ld", &siz) != 1) + fail("bad -n value `%s'", optarg); + } + usefresh = 1; + break; + case 'e': /* -p size is exact, don't dbzsize() it */ + exact = 1; + break; + case 'M': /* use old dbm interface + rfc822ize */ + dbzint = 0; + break; + case 'U': /* make base unopenable during init */ + unopen = 1; + break; + case 'C': /* change directories before dbmclose */ + change = optarg; + break; + case 'd': /* Debugging. */ + if (dbzdebug(1) < 0) + fail("dbz debugging not available", ""); + break; + case '?': + default: + errflg++; + break; + } + if (errflg || optind >= argc || (optind+1 < argc && baseinput)) { + fprintf(stderr, "usage: %s ", progname); + fprintf(stderr, "[-a] [-x] [-c] database [file] ...\n"); + exit(2); + } + + (void) dbzincore(useincore); + my_basename = argv[optind]; + pagname = str2dup(my_basename, ".pag"); + dir_name = str2dup(my_basename, ".dir"); + mkfiles(); + optind++; + + if (baseinput) /* implies no further arguments */ + process(base, my_basename); + else if (optind >= argc) + process(stdin, "stdin"); + else + for (; optind < argc; optind++) + dofile(argv[optind]); + + if (change != NULL) + (void) chdir(change); + if (dbmclose() < 0) + fail("dbmclose failed", ""); + if (doruns) + runs(pagname); + if (sweep) + dosweep(my_basename, pagname); + if (printx) + printf("%ld\n", xxx); +#ifdef DBZ_FINISH + DBZ_FINISH; +#endif + exit(0); +} + +/* + - dofile - open a file and invoke process() + */ +void +dofile(name) +char *name; +{ + register FILE *in; + + if (STREQ(name, "-")) + process(stdin, "-"); + else { + in = fopen(name, "r"); + if (in == NULL) + fail("cannot open `%s'", name); + process(in, name); + (void) fclose(in); + } +} + +/* + - mkfiles - create empty files and open them up + */ +void +mkfiles() +{ + if (op == 'b' && !dbzint) { + crfile(dir_name); + crfile(pagname); + } + + base = fopen(my_basename, (op == 'a') ? "a" : "r"); + if (base == NULL) + fail("cannot open `%s'", my_basename); + if (unopen) + (void) chmod(my_basename, 0); + if (from != NULL) { + if (dbzagain(my_basename, from) < 0) + fail("dbzagain(`%s'...) failed", my_basename); + } else if (op == 'b' && dbzint) { + if (!exact) + siz = dbzsize(siz); + if (dbzfresh(my_basename, siz, (int)fs, map, (off_t)tag) < 0) + fail("dbzfresh(`%s'...) failed", my_basename); + } else if (dbminit(my_basename) < 0) + fail("dbminit(`%s') failed", my_basename); + if (unopen) + (void) chmod(my_basename, 0600); /* hard to restore original */ +} + +/* + - crfile - create a file + */ +void +crfile(name) +char *name; +{ + register int f; + + f = creat(name, 0666); + if (f < 0) + fail("cannot create `%s'", name); + (void) close(f); +} + +/* + - process - process input file + */ +void +process(in, name) +FILE *in; +char *name; +{ + register off_t place; + + inname = name; + lineno = 0; + + for (;;) { + place = ftell(in); + if (fgets(line, buflen, in) == NULL) + return; + lineno++; + if (every > 0 && lineno%every == 0) { + fprintf(stderr, "%ld\n", lineno); + if (dbzsync() < 0) + fail("dbzsync failed", ""); + } + doline(line, place); + } + /* NOTREACHED */ +} + +/* + - doline - process input line + */ +void +doline(lp, inoffset) +char *lp; +off_t inoffset; +{ + register char *p; + register char pc; + datum key, value; + off_t place = inoffset; + register int shouldfind; + register int llen; + char keytext[DBZMAXKEY+1]; + + p = NULL; + if (fs != '\0') + p = strchr(lp, fs); + if (p == NULL) + p = lp + strlen(lp); + if (p > lp && *(p-1) == '\n') + p--; + if (p - lp > DBZMAXKEY) + fail("key of `%.40s...' too long", lp); + pc = *p; + *p = '\0'; + (void) strcpy(keytext, lp); + *p = pc; + key.dptr = (dbzint) ? keytext : rfc822ize(keytext); + key.dsize = strlen(keytext)+1; + + switch (op) { + case 'a': + place = ftell(base); + llen = strlen(lp); + if (fwrite(lp, 1, llen, base) != llen) + fail("write error in `%s'", my_basename); + /* FALLTHROUGH */ + case 'b': + if (omitzero && p != NULL && *(p+1) == '0') + return; + if (unique) { + value = (dbzint) ? dbzfetch(key) : fetch(key); + if (value.dptr != NULL) + fail("`%.40s...' already present", lp); + } + value.dptr = (char *)&place; + value.dsize = (int)sizeof(off_t); + if (((dbzint) ? dbzstore(key, value) : store(key, value)) < 0) + fail("store failed on `%.40s...'", lp); + break; + case 'c': + value = (dbzint) ? dbzfetch(key) : fetch(key); + shouldfind = (omitzero && p != NULL && *(p+1) == '0') ? 0 : 1; + if (!shouldfind && (value.dptr != NULL || value.dsize != 0)) + fail("`%.40s...' found, shouldn't be", lp); + if (shouldfind && (value.dptr == NULL || + value.dsize != sizeof(off_t))) + fail("can't find `%.40s...'", lp); + if (shouldfind && !quick) { + (void) memcpy((char *)&place, value.dptr, sizeof(off_t)); + if (place != inoffset) + fail("offset mismatch on `%.40s...'", lp); + if (fseek(base, place, SEEK_SET) == -1) + fail("fseek failed on `%.40s...'", lp); + if (fgets(cmp, buflen, base) == NULL) + fail("can't read line for `%.40s...'", lp); + if (!STREQ(lp, cmp)) + fail("compare failed on `%.40s...'", lp); + } + break; + case 'x': + value = (dbzint) ? dbzfetch(key) : fetch(key); + if (value.dptr != NULL && !quick) { + (void) memcpy((char *)&place, value.dptr, sizeof(off_t)); + if (fseek(base, place, SEEK_SET) == -1) + fail("fseek failed on `%.40s...'", lp); + if (fgets(cmp, buflen, base) == NULL) + fail("can't read line for `%.40s...'", lp); + fputs(cmp, stdout); + } else if (value.dptr != NULL) + fputs(lp, stdout); + break; + case 'm': + value = (dbzint) ? dbzfetch(key) : fetch(key); + if (value.dptr == NULL) { + fputs(keytext, stdout); + putchar('\n'); + } + break; + default: + fail("unknown operator -- can't happen", ""); + break; + } +} + +/* + - runs - print run statistics + */ +void +runs(file) +char *file; +{ + register FILE *fd; + off_t it; + register long run; + + fd = fopen(file, "r"); + if (fd == NULL) + fail("cannot reopen `%s'", file); + run = 0; + while (fread((char *)&it, sizeof(off_t), 1, fd) == 1) { + if (it != 0) + run++; + else if (run > 0) { + printf("%ld\n", run); + run = 0; + } + } + (void) fclose(fd); +} + +/* + - dosweep - sweep pag file checking for valid offsets + */ +void +dosweep(fn, pn) +char *fn; +char *pn; +{ + register FILE *pf; + off_t it; + char nl; + register FILE *hf; + + hf = fopen(fn, "r"); + if (hf == NULL) + fail("cannot reopen `%s'", fn); + pf = fopen(pn, "r"); + if (pf == NULL) + fail("cannot reopen `%s'", pn); + while (fread((char *)&it, sizeof(off_t), 1, pf) == 1) { + it = (it & ((off_t)0x80000000)) ? (it&~((off_t)0xff000000)) : it; + if (it != 0 && it != 1) { /* 0 empty, 1 known okay */ + it--; /* get rid of bias */ + (void) fseek(hf, it-1, SEEK_SET); + nl = getc(hf); + if (nl != '\n') + fprintf(stderr, "offset 0%lo does not point to line\n", + (long)it); + } + } + (void) fclose(hf); + (void) fclose(pf); +} + +/* + - fail - complain and die + */ +void +fail(s1, s2) +char *s1; +char *s2; +{ + fprintf(stderr, "%s: (file `%s', line %ld) ", progname, inname, lineno); + fprintf(stderr, s1, s2); + fprintf(stderr, "\n"); + exit(1); +} + +/* + - str2dup - concatenate strings and malloc result + */ +char * +str2dup(s1, s2) +char *s1; +char *s2; +{ + register char *p; + + p = malloc((size_t)strlen(s1) + strlen(s2) + 1); + if (p == NULL) + fail("can't allocate space for strings", ""); + (void) strcpy(p, s1); + (void) strcat(p, s2); + return(p); +} diff --git a/contrib/libio/dbz/fake.c b/contrib/libio/dbz/fake.c new file mode 100644 index 0000000..ed2a2b7 --- /dev/null +++ b/contrib/libio/dbz/fake.c @@ -0,0 +1,144 @@ +/* + * fake - make up random lines resembling history-file entries, reproducibly + * + * -Log- + */ + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <string.h> + +#define MAXSTR 500 /* For sizing strings -- DON'T use BUFSIZ! */ +#define STREQ(a, b) (*(a) == *(b) && strcmp((a), (b)) == 0) + +#ifndef lint +static char RCSid[] = "$Header: /rel/cvsfiles/devo/libio/dbz/fake.c,v 1.2 1993/10/25 20:02:42 bothner Exp $"; +#endif + +int midonly = 0; /* just message ids, rest not realistic */ +int tag = 0; /* tag lines with random digit for later use */ +int expired = -1; /* percentage of lines to be expired */ + +int debug = 0; +char *progname; + +char *inname; /* filename for messages etc. */ +long lineno; /* line number for messages etc. */ + +void doline(); +void addchars(); +void seed(); + +/* + - main - parse arguments and handle options + */ +int +main(argc, argv) +int argc; +char *argv[]; +{ + int c; + int errflg = 0; + FILE *in; + struct stat statbuf; + extern int optind; + extern char *optarg; + void process(); + register long no; + extern long atol(); + char line[MAXSTR]; + + progname = argv[0]; + + while ((c = getopt(argc, argv, "ms:te:d")) != EOF) + switch (c) { + case 'm': /* message-ids only */ + midonly = 1; + break; + case 's': /* seed */ + seed(atol(optarg)); + break; + case 't': /* tag lines with a random digit */ + tag = 1; + break; + case 'e': /* percentage to be expired */ + expired = atoi(optarg); + break; + case 'd': /* Debugging. */ + debug++; + break; + case '?': + default: + errflg++; + break; + } + if (errflg || optind != argc - 1) { + fprintf(stderr, "usage: %s ", progname); + fprintf(stderr, "[-m] [-s seed] length\n"); + exit(2); + } + + for (no = atol(argv[optind]); no > 0; no--) { + doline(line); + puts(line); + } +#ifdef DBZ_FINISH + DBZ_FINISH; +#endif + exit(0); +} + +/* + - doline - generate random history pseudo-line + */ +void +doline(buf) +char *buf; +{ + char tagch[2]; + + (void) strcpy(buf, "<"); + addchars(buf, range(4, 20)); + (void) strcat(buf, "@"); + addchars(buf, range(8, 20)); + if (midonly) + (void) strcat(buf, ">\tx"); + else { + if (tag) { + tagch[0] = "1234567890"[range(0,9)]; + tagch[1] = '\0'; + (void) strcat(buf, ">\t"); + (void) strcat(buf, tagch); + (void) strcat(buf, "00000000~-"); + } else + (void) strcat(buf, ">\t1234567890~-"); + } + if (range(1, 100) > expired) { + if (midonly) + (void) strcat(buf, "\tx"); + else { + (void) strcat(buf, "\t"); + addchars(buf, range(10, 30)); + } + } +} + +/* + - addchars - generate n random characters suitable for history file + */ +void +addchars(buf, len) +char *buf; +int len; +{ + register int i; + register char *p = buf + strlen(buf); + static char vocab[] = "1234567890.abcde.fghij.klmno.pqrst.uvwxyz.\ +1234567890.ABCDE.FGHIJ.KLMNO.PQRST.UVWXYZ.1234567890.\ +1234567890.abcde.fghij.klmno.pqrst.uvwxyz.1234567890"; + + for (i = len; i > 0; i--) + *p++ = vocab[range(0, sizeof(vocab)-2)]; + *p++ = '\0'; +} diff --git a/contrib/libio/dbz/firstlast25 b/contrib/libio/dbz/firstlast25 new file mode 100644 index 0000000..4850468 --- /dev/null +++ b/contrib/libio/dbz/firstlast25 @@ -0,0 +1,50 @@ +<m....VO1.9q.@s95e1zKsIj7LrIwa1> 600000000~- 90fz0706yo.1Env21x8b +<H5.i.R6ZQ2@Vg6.5mqj8..z> 200000000~- +<1Hy.ufmjqe371x5.o@HEEl0tAp4> 700000000~- +<T6.c9.xM4i@943..7z.c..3h> 600000000~- +<Exus7LsME4fPL9v8@2.ouu97O25z9cdft> 700000000~- +<6kUzkf.v74@iC1iGj882RQ0zli> 400000000~- +<J.7YT7dV.Kkul8Bh0fc@Rar.EnMx2lm0.6Yeob> 600000000~- +<.wVJi1DX42@5.4i6.jaZ6qw9Ln1.> 500000000~- +<uUd9e18vxzevae7uY@33a480208l0.4p2q> 300000000~- +<43hQ.5shbE7@912400.ajES6x0sXl.M> 400000000~- +<g25r..2r.0WOZ6k3@tb3.U9xrR.uw61a2y0> 600000000~- +<923s5e67d5Oq085Y.1@6Pik68584> 900000000~- +<.5.n5cx5aD62i9q8@Ai60Sc.4x> 200000000~- +<9N9n@3.1ql87.yj2xFs.zLqI> 700000000~- Q2.kni8kZps7kF5uiEv32B38y4z.p +<.X.fw.6LtoT.0@pp6bp.5s6yh74.> 400000000~- +<54c1w@7..u1.99m9T4j.BNGBiK> 600000000~- .F3hb.OFh06V..p +<j12Mtn6q9@m2.m1X1s> 500000000~- +<o1WJV9G4H.zf0BX44w@W7.76xn33> 000000000~- +<0C605s6plaAgfM.ap40@e6d66n.uv01W.j.8ph.> 100000000~- m.x7TY8.8DQ5 +<.2.14xdn.@D0g.W.uZ.75gyyg.q1G> 100000000~- +<.A..03.@5v..64.5v3.3tbjUo.> 500000000~- +<72..c19ms65.WCf0G3.@83seEG9nnhM.O.j22> 900000000~- +<D..xX.kti9@u739li.xvy2> 000000000~- NPLL42XVfM +<6HO.nFal1ufl3.8b@3.n0k7a.IDgNy> 700000000~- Wv4j3Itccnh0Zp3 +<x5RjUnIpd03xBBnuN@z0puc82Q26Ou.0T6> 400000000~- k67.hvXwv6X745R4rh2ybuFN3n. +<62dIeg.fW92.ov375@x76mf5c6.37.v> 000000000~- +<chdpqs.0mgZOp.@Dxl9v..94e7ar2> 900000000~- +<.9Xr.7V91..oe5CG.hX@p5x3jos3s27R6O3yj1> 400000000~- +<Mm6dr.231dH35ua@SE1u0za3V1M43lRn9> 100000000~- +<JIhw2@.Qdf.8v28Tnf1M> 200000000~- +<z4FCa.q4MF..EE0.2@W9U63e33h9w3lcFFl> 400000000~- +<87.W3r6is4.@svVqQCBiNqz400A.qwj> 200000000~- +<0liI7Lu0Mx435m7M99@87Xw.8j63.9.> 500000000~- +<tRtht5M.6d0@06gj.qm3.s9> 200000000~- e27S.BKVD70P.o +<Jpga8@m68yvw.b4b> 200000000~- +<.2.69hy3JT1@Aq3.r83o.9> 700000000~- +<.W7EurYppo4fhzs.I@8651m2W7v> 700000000~- +<3m02.@22074.a5ct2j3> 900000000~- +<.fy9Epa@.1.kNGCNokFwB8ezo1WM> 800000000~- +<c758d64.FS4yY7L5@43sw.kI6> 900000000~- +<vLd0.t@.kq70oHl96ixdnXd.GVv> 100000000~- 9A6Ejq5t55I4VJ6.q1 +<d3.4@n17p4N.77N7W..7.8> 300000000~- +<f2lv064.8@4jokk3e07> 400000000~- +<rr7hoxA.U7.JXxnpvd@1rbMO437vHnakx> 000000000~- +<.0p3G7novlrYz9kjI@Sx.2w.yqzerZl12781.k> 700000000~- +<51ny.pQ7ay4@nfU2l1f0ixG09584.m> 000000000~- 38K5bhK7cr6.bg.5MlC2Fxq06Ziuw. +<2.cau.9s@.n4Pk0Jd9g> 300000000~- +<bEH1Bwa.662i@zm.3g.gx4.lp3> 300000000~- c8.t4Q0.8t0.m50 +<.t13789u5AqM4m3.z0T@P17e.ypf> 200000000~- q17z.fZ3.FyD533WthqZs8q7 +<M4r1I@Ovaev.dp> 100000000~- diff --git a/contrib/libio/dbz/getmap b/contrib/libio/dbz/getmap new file mode 100755 index 0000000..fd746ca --- /dev/null +++ b/contrib/libio/dbz/getmap @@ -0,0 +1,6 @@ +#!/bin/sh +awk 'NR == 1 { + for (i = 9; i <= NF; i++) + printf "%s ", $i + printf "\n" +}' $* diff --git a/contrib/libio/dbz/random.c b/contrib/libio/dbz/random.c new file mode 100644 index 0000000..1d8de3a --- /dev/null +++ b/contrib/libio/dbz/random.c @@ -0,0 +1,31 @@ +/* + * random-number generator for testing + */ +static unsigned long next = 1; + +/* + - range - generate a random number within an inclusive range + * + * Algorithm from ANSI C standard. Limitation: max-min <= 32767. + */ +int +range(min, max) +int min; +int max; +{ + register int temp; + + next = next * 1103515245 + 12345; + temp = (int)((next/65536)%32768); + return(temp%(max - min + 1) + min); +} + +/* + - seed - seed random number generator + */ +void +seed(n) +long n; +{ + next = (unsigned long)n; +} diff --git a/contrib/libio/dbz/revbytes b/contrib/libio/dbz/revbytes new file mode 100644 index 0000000..b3d80c2 --- /dev/null +++ b/contrib/libio/dbz/revbytes @@ -0,0 +1,7 @@ +NR == 1 { + printf "%s %s %s %s %s %s %s %s %s", $1, $2, $3, $4, $5, $6, $7, $8, $9 + for (i = NF; i > 9; i--) + printf " %s", $i + printf "\n" +} +NR > 1 { print } diff --git a/contrib/libio/dbz/stdio.h b/contrib/libio/dbz/stdio.h new file mode 100644 index 0000000..80faee3 --- /dev/null +++ b/contrib/libio/dbz/stdio.h @@ -0,0 +1 @@ +#include "../iostdio.h" diff --git a/contrib/libio/depend b/contrib/libio/depend new file mode 100644 index 0000000..b7335fd --- /dev/null +++ b/contrib/libio/depend @@ -0,0 +1,352 @@ +# AUTOMATICALLY GENERATED BY 'make depend' - DO NOT EDIT + +PlotFile.o: PlotFile.cc \ + $(srcdir)/PlotFile.h \ + $(srcdir)/fstream.h \ + $(srcdir)/iostream.h \ + $(srcdir)/streambuf.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) +SFile.o: SFile.cc \ + $(srcdir)/SFile.h \ + $(srcdir)/fstream.h \ + $(srcdir)/iostream.h \ + $(srcdir)/streambuf.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) +builtinbuf.o: builtinbuf.cc \ + $(srcdir)/builtinbuf.h \ + $(srcdir)/streambuf.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) \ + $(srcdir)/iostreamP.h \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h +editbuf.o: editbuf.cc \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) \ + $(srcdir)/editbuf.h \ + $(srcdir)/fstream.h \ + $(srcdir)/iostream.h \ + $(srcdir)/streambuf.h +filebuf.o: filebuf.cc \ + $(srcdir)/iostreamP.h \ + $(srcdir)/streambuf.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h \ + $(srcdir)/builtinbuf.h 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$(srcdir)/iolibio.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) \ + $(srcdir)/strfile.h +iovsscanf.o: iovsscanf.c \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) \ + $(srcdir)/strfile.h +outfloat.o: outfloat.c \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) +stdfiles.o: stdfiles.c \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) +strops.o: strops.c \ + $(srcdir)/strfile.h \ + $(srcdir)/libio.h $(_G_CONFIG_H) \ + $(srcdir)/libioP.h \ + $(srcdir)/iolibio.h diff --git a/contrib/libio/editbuf.cc b/contrib/libio/editbuf.cc new file mode 100644 index 0000000..2230482 --- /dev/null +++ b/contrib/libio/editbuf.cc @@ -0,0 +1,717 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include "libioP.h" +#include "editbuf.h" +#include <stddef.h> +#include <stdlib.h> + +/* NOTE: Some of the code here is taken from GNU emacs */ +/* Hence this file falls under the GNU License! */ + +// Invariants for edit_streambuf: +// An edit_streambuf is associated with a specific edit_string, +// which again is a sub-string of a specific edit_buffer. +// An edit_streambuf is always in either get mode or put mode, never both. +// In get mode, gptr() is the current position, +// and pbase(), pptr(), and epptr() are all NULL. +// In put mode, pptr() is the current position, +// and eback(), gptr(), and egptr() are all NULL. +// Any edit_streambuf that is actively doing insertion (as opposed to +// replacing) // must have its pptr() pointing to the start of the gap. +// Only one edit_streambuf can be actively inserting into a specific +// edit_buffer; the edit_buffer's _writer field points to that edit_streambuf. +// That edit_streambuf "owns" the gap, and the actual start of the +// gap is the pptr() of the edit_streambuf; the edit_buffer::_gap_start pointer +// will only be updated on an edit_streambuf::overflow(). + +int edit_streambuf::truncate() +{ + str->buffer->delete_range(str->buffer->tell((buf_char*)pptr()), + str->buffer->tell(str->end)); + return 0; +} + +#ifdef OLD_STDIO +inline void disconnect_gap_from_file(edit_buffer* buffer, FILE* fp) +{ + if (buffer->gap_start_ptr != &fp->__bufp) + return; + buffer->gap_start_normal = fp->__bufp; + buffer->gap_start_ptr = &buffer->gap_start_normal; +} +#endif + +void edit_streambuf::flush_to_buffer(edit_buffer* buffer) +{ + if (pptr() > buffer->_gap_start && pptr() < buffer->gap_end()) + buffer->_gap_start = pptr(); +} + +void edit_streambuf::disconnect_gap_from_file(edit_buffer* buffer) +{ + if (buffer->_writer != this) return; + flush_to_buffer(buffer); + setp(pptr(),pptr()); + buffer->_writer = NULL; +} + +buf_index edit_buffer::tell(buf_char *ptr) +{ + if (ptr <= gap_start()) + return ptr - data; + else + return ptr - gap_end() + size1(); +} + +#if 0 +buf_index buf_cookie::tell() +{ + return str->buffer->tell(file->__bufp); +} +#endif + +buf_index edit_buffer::tell(edit_mark*mark) +{ + return tell(data + mark->index_in_buffer(this)); +} + +// adjust the position of the gap + +void edit_buffer::move_gap(buf_offset pos) +{ + if (pos < size1()) + gap_left (pos); + else if (pos > size1()) + gap_right (pos); +} + +void edit_buffer::gap_left (int pos) +{ + register buf_char *to, *from; + register int i; + int new_s1; + + i = size1(); + from = gap_start(); + to = from + gap_size(); + new_s1 = size1(); + + /* Now copy the characters. To move the gap down, + copy characters up. */ + + for (;;) + { + /* I gets number of characters left to copy. */ + i = new_s1 - pos; + if (i == 0) + break; +#if 0 + /* If a quit is requested, stop copying now. + Change POS to be where we have actually moved the gap to. */ + if (QUITP) + { + pos = new_s1; + break; + } +#endif + /* Move at most 32000 chars before checking again for a quit. */ + if (i > 32000) + i = 32000; + new_s1 -= i; + while (--i >= 0) + *--to = *--from; + } + + /* Adjust markers, and buffer data structure, to put the gap at POS. + POS is where the loop above stopped, which may be what was specified + or may be where a quit was detected. */ + adjust_markers (pos << 1, size1() << 1, gap_size(), data); +#ifndef OLD_STDIO + _gap_start = data + pos; +#else + if (gap_start_ptr == &gap_start_normal) + gap_start_normal = data + pos; +#endif + __gap_end_pos = to - data; +/* QUIT;*/ +} + +void edit_buffer::gap_right (int pos) +{ + register buf_char *to, *from; + register int i; + int new_s1; + + i = size1(); + to = gap_start(); + from = i + gap_end(); + new_s1 = i; + + /* Now copy the characters. To move the gap up, + copy characters down. */ + + while (1) + { + /* I gets number of characters left to copy. */ + i = pos - new_s1; + if (i == 0) + break; +#if 0 + /* If a quit is requested, stop copying now. + Change POS to be where we have actually moved the gap to. */ + if (QUITP) + { + pos = new_s1; + break; + } +#endif + /* Move at most 32000 chars before checking again for a quit. */ + if (i > 32000) + i = 32000; + new_s1 += i; + while (--i >= 0) + *to++ = *from++; + } + + adjust_markers ((size1() + gap_size()) << 1, (pos + gap_size()) << 1, + - gap_size(), data); +#ifndef OLD_STDIO + _gap_start = data+pos; +#else + if (gap_start_ptr == &gap_start_normal) + gap_start_normal = data + pos; +#endif + __gap_end_pos = from - data; +/* QUIT;*/ +} + +/* make sure that the gap in the current buffer is at least k + characters wide */ + +void edit_buffer::make_gap(buf_offset k) +{ + register buf_char *p1, *p2, *lim; + buf_char *old_data = data; + int s1 = size1(); + + if (gap_size() >= k) + return; + + /* Get more than just enough */ + if (buf_size > 1000) k += 2000; + else k += /*200;*/ 20; // for testing! + + p1 = (buf_char *) realloc (data, s1 + size2() + k); + if (p1 == 0) + abort(); /*memory_full ();*/ + + k -= gap_size(); /* Amount of increase. */ + + /* Record new location of text */ + data = p1; + + /* Transfer the new free space from the end to the gap + by shifting the second segment upward */ + p2 = data + buf_size; + p1 = p2 + k; + lim = p2 - size2(); + while (lim < p2) + *--p1 = *--p2; + + /* Finish updating text location data */ + __gap_end_pos += k; + +#ifndef OLD_STDIO + _gap_start = data + s1; +#else + if (gap_start_ptr == &gap_start_normal) + gap_start_normal = data + s1; +#endif + + /* adjust markers */ + adjust_markers (s1 << 1, (buf_size << 1) + 1, k, old_data); + buf_size += k; +} + +/* Add `amount' to the position of every marker in the current buffer + whose current position is between `from' (exclusive) and `to' (inclusive). + Also, any markers past the outside of that interval, in the direction + of adjustment, are first moved back to the near end of the interval + and then adjusted by `amount'. */ + +void edit_buffer::adjust_markers(register mark_pointer low, + register mark_pointer high, + int amount, buf_char *old_data) +{ + register struct edit_mark *m; + register mark_pointer mpos; + /* convert to mark_pointer */ + amount <<= 1; + + if (_writer) + _writer->disconnect_gap_from_file(this); + + for (m = mark_list(); m != NULL; m = m->chain) + { + mpos = m->_pos; + if (amount > 0) + { + if (mpos > high && mpos < high + amount) + mpos = high + amount; + } + else + { + if (mpos > low + amount && mpos <= low) + mpos = low + amount; + } + if (mpos > low && mpos <= high) + mpos += amount; + m->_pos = mpos; + } + + // Now adjust files + edit_streambuf *file; + + for (file = files; file != NULL; file = file->next) { + mpos = file->current() - old_data; + if (amount > 0) + { + if (mpos > high && mpos < high + amount) + mpos = high + amount; + } + else + { + if (mpos > low + amount && mpos <= low) + mpos = low + amount; + } + if (mpos > low && mpos <= high) + mpos += amount; + char* new_pos = data + mpos; + file->set_current(new_pos, file->is_reading()); + } +} + +#if 0 +stdio_ + __off == index at start of buffer (need only be valid after seek ? ) + __buf == + +if read/read_delete/overwrite mode: + __endp <= min(*gap_start_ptr, edit_string->end->ptr(buffer)) + +if inserting: + must have *gap_start_ptr == __bufp && *gap_start_ptr+gap == __endp + file->edit_string->end->ptr(buffer) == *gap_start_ptr+end +if write_mode: + if before gap +#endif + +int edit_streambuf::underflow() +{ + if (!(_mode & ios::in)) + return EOF; + struct edit_buffer *buffer = str->buffer; + if (!is_reading()) { // Must switch from put to get mode. + disconnect_gap_from_file(buffer); + set_current(pptr(), 1); + } + buf_char *str_end = str->end->ptr(buffer); + retry: + if (gptr() < egptr()) { + return *gptr(); + } + if ((buf_char*)gptr() == str_end) + return EOF; + if (str_end <= buffer->gap_start()) { + setg(eback(), gptr(), str_end); + goto retry; + } + if (gptr() < buffer->gap_start()) { + setg(eback(), gptr(), buffer->gap_start()); + goto retry; + } + if (gptr() == buffer->gap_start()) { + disconnect_gap_from_file(buffer); +// fp->__offset += fp->__bufp - fp->__buffer; + setg(buffer->gap_end(), buffer->gap_end(), str_end); + } + else + setg(eback(), gptr(), str_end); + goto retry; +} + +int edit_streambuf::overflow(int ch) +{ + if (_mode == ios::in) + return EOF; + struct edit_buffer *buffer = str->buffer; + flush_to_buffer(buffer); + if (ch == EOF) + return 0; + if (is_reading()) { // Must switch from get to put mode. + set_current(gptr(), 0); + } + buf_char *str_end = str->end->ptr(buffer); + retry: + if (pptr() < epptr()) { + *pptr() = ch; + pbump(1); + return (unsigned char)ch; + } + if ((buf_char*)pptr() == str_end || inserting()) { + /* insert instead */ + if (buffer->_writer) + buffer->_writer->flush_to_buffer(); // Redundant? + buffer->_writer = NULL; + if (pptr() >= buffer->gap_end()) + buffer->move_gap(pptr() - buffer->gap_size()); + else + buffer->move_gap(pptr()); + buffer->make_gap(1); + setp(buffer->gap_start(), buffer->gap_end()); + buffer->_writer = this; + *pptr() = ch; + pbump(1); + return (unsigned char)ch; + } + if (str_end <= buffer->gap_start()) { + // Entire string is left of gap. + setp(pptr(), str_end); + } + else if (pptr() < buffer->gap_start()) { + // Current pos is left of gap. + setp(pptr(), buffer->gap_start()); + goto retry; + } + else if (pptr() == buffer->gap_start()) { + // Current pos is at start of gap; move to end of gap. +// disconnect_gap_from_file(buffer); + setp(buffer->gap_end(), str_end); +// __offset += __bufp - __buffer; + } + else { + // Otherwise, current pos is right of gap. + setp(pptr(), str_end); + } + goto retry; +} + +void edit_streambuf::set_current(char *new_pos, int reading) +{ + if (reading) { + setg(new_pos, new_pos, new_pos); + setp(NULL, NULL); + } + else { + setg(NULL, NULL, NULL); + setp(new_pos, new_pos); + } +} + +// Called by fseek(fp, pos, whence) if fp is bound to a edit_buffer. + +streampos edit_streambuf::seekoff(streamoff offset, _seek_dir dir, + int /* =ios::in|ios::out*/) +{ + struct edit_buffer *buffer = str->buffer; + disconnect_gap_from_file(buffer); + buf_index cur_pos = buffer->tell((buf_char*)current());; + buf_index start_pos = buffer->tell(str->start); + buf_index end_pos = buffer->tell(str->end); + switch (dir) { + case ios::beg: + offset += start_pos; + break; + case ios::cur: + offset += cur_pos; + break; + case ios::end: + offset += end_pos; + break; + } + if (offset < start_pos || offset > end_pos) + return EOF; + buf_char *new_pos = buffer->data + offset; + buf_char* gap_start = buffer->gap_start(); + if (new_pos > gap_start) { + buf_char* gap_end = buffer->gap_end(); + new_pos += gap_end - gap_start; + if (new_pos >= buffer->data + buffer->buf_size) abort(); // Paranoia. + } + set_current(new_pos, is_reading()); + return EOF; +} + +#if 0 +int buf_seek(void *arg_cookie, fpos_t * pos, int whence) +{ + struct buf_cookie *cookie = arg_cookie; + FILE *file = cookie->file; + struct edit_buffer *buffer = cookie->str->buffer; + buf_char *str_start = cookie->str->start->ptr(buffer); + disconnect_gap_from_file(buffer, cookie->file); + fpos_t cur_pos, new_pos; + if (file->__bufp <= *buffer->gap_start_ptr + || str_start >= buffer->__gap_end) + cur_pos = str_start - file->__bufp; + else + cur_pos = + (*buffer->gap_start_ptr - str_start) + (file->__bufp - __gap_end); + end_pos = ...; + switch (whence) { + case SEEK_SET: + new_pos = *pos; + break; + case SEEK_CUR: + new_pos = cur_pos + *pos; + break; + case SEEK_END: + new_pos = end_pos + *pos; + break; + } + if (new_pos > end_pos) { + seek to end_pos; + insert_nulls(new_pos - end_pos); + return; + } + if (str_start + new_pos <= *gap_start_ptr &* *gap_start_ptr < end) { + __buffer = str_start; + __off = 0; + __bufp = str_start + new_pos; + file->__get_limit = + *buffer->gap_start_ptr; /* what if gap_start_ptr == &bufp ??? */ + } else if () { + + } + *pos = new_pos; +} +#endif + +/* Delete characters from `from' up to (but not incl) `to' */ + +void edit_buffer::delete_range (buf_index from, buf_index to) +{ + register int numdel; + + if ((numdel = to - from) <= 0) + return; + + /* Make sure the gap is somewhere in or next to what we are deleting */ + if (from > size1()) + gap_right (from); + if (to < size1()) + gap_left (to); + + /* Relocate all markers pointing into the new, larger gap + to point at the end of the text before the gap. */ + adjust_markers ((to + gap_size()) << 1, (to + gap_size()) << 1, + - numdel - gap_size(), data); + + __gap_end_pos = to + gap_size(); + _gap_start = data + from; +} + +void edit_buffer::delete_range(struct edit_mark *start, struct edit_mark *end) +{ + delete_range(tell(start), tell(end)); +} + +void buf_delete_chars(struct edit_buffer *, struct edit_mark *, size_t) +{ + abort(); +} + +edit_streambuf::edit_streambuf(edit_string* bstr, int mode) +{ + _mode = mode; + str = bstr; + edit_buffer* buffer = bstr->buffer; + next = buffer->files; + buffer->files = this; + char* buf_ptr = bstr->start->ptr(buffer); + _inserting = 0; +// setb(buf_ptr, buf_ptr, 0); + set_current(buf_ptr, !(mode & ios::out+ios::trunc+ios::app)); + if (_mode & ios::trunc) + truncate(); + if (_mode & ios::ate) + seekoff(0, ios::end); +} + +// Called by fclose(fp) if fp is bound to a edit_buffer. + +#if 0 +static int buf_close(void *arg) +{ + register struct buf_cookie *cookie = arg; + struct edit_buffer *buffer = cookie->str->buffer; + struct buf_cookie **ptr; + for (ptr = &buffer->files; *ptr != cookie; ptr = &(*ptr)->next) ; + *ptr = cookie->next; + disconnect_gap_from_file(buffer, cookie->file); + free (cookie); + return 0; +} +#endif + +edit_streambuf::~edit_streambuf() +{ + if (_mode == ios::out) + truncate(); + // Unlink this from list of files associated with bstr->buffer. + edit_streambuf **ptr = &str->buffer->files; + for (; *ptr != this; ptr = &(*ptr)->next) { } + *ptr = next; + + disconnect_gap_from_file(str->buffer); +} + +edit_buffer::edit_buffer() +{ + buf_size = /*200;*/ 15; /* for testing! */ + data = (buf_char*)malloc(buf_size); + files = NULL; +#ifndef OLD_STDIO + _gap_start = data; + _writer = NULL; +#else + gap_start_normal = data; + gap_start_ptr = &gap_start_normal; +#endif + __gap_end_pos = buf_size; + start_mark.chain = &end_mark; + start_mark._pos = 0; + end_mark.chain = NULL; + end_mark._pos = 2 * buf_size + 1; +} + +// Allocate a new mark, which is adjusted by 'delta' bytes from 'this'. +// Restrict new mark to lie within 'str'. + +edit_mark::edit_mark(struct edit_string *str, long delta) +{ + struct edit_buffer *buf = str->buffer; + chain = buf->start_mark.chain; + buf->start_mark.chain = this; + mark_pointer size1 = buf->size1() << 1; + int gap_size = buf->gap_size() << 1; + delta <<= 1; + + // check if new and old marks are opposite sides of gap + if (_pos <= size1 && _pos + delta > size1) + delta += gap_size; + else if (_pos >= size1 + gap_size && _pos + delta < size1 + gap_size) + delta -= gap_size; + + _pos = _pos + delta; + if (_pos < str->start->_pos & ~1) + _pos = (str->start->_pos & ~ 1) + (_pos & 1); + else if (_pos >= str->end->_pos) + _pos = (str->end->_pos & ~ 1) + (_pos & 1); +} + +// A (slow) way to find the buffer a mark belongs to. + +edit_buffer * edit_mark::buffer() +{ + struct edit_mark *mark; + for (mark = this; mark->chain != NULL; mark = mark->chain) ; + // Assume that the last mark on the chain is the end_mark. + return (edit_buffer *)((char*)mark - offsetof(edit_buffer, end_mark)); +} + +edit_mark::~edit_mark() +{ + // Must unlink mark from chain of owning buffer + struct edit_buffer *buf = buffer(); + if (this == &buf->start_mark || this == &buf->end_mark) abort(); + edit_mark **ptr; + for (ptr = &buf->start_mark.chain; *ptr != this; ptr = &(*ptr)->chain) ; + *ptr = this->chain; +} + +int edit_string::length() const +{ + ptrdiff_t delta = end->ptr(buffer) - start->ptr(buffer); + if (end->ptr(buffer) <= buffer->gap_start() || + start->ptr(buffer) >= buffer->gap_end()) + return delta; + return delta - buffer->gap_size(); +} + +buf_char * edit_string::copy_bytes(int *lenp) const +{ + char *new_str; + int len1, len2; + buf_char *start1, *start2; + start1 = start->ptr(buffer); + if (end->ptr(buffer) <= buffer->gap_start() + || start->ptr(buffer) >= buffer->gap_end()) { + len1 = end->ptr(buffer) - start1; + len2 = 0; + start2 = NULL; // To avoid a warning from g++. + } + else { + len1 = buffer->gap_start() - start1; + start2 = buffer->gap_end(); + len2 = end->ptr(buffer) - start2; + } + new_str = (char*)malloc(len1 + len2 + 1); + memcpy(new_str, start1, len1); + if (len2 > 0) memcpy(new_str + len1, start2, len2); + new_str[len1+len2] = '\0'; + *lenp = len1+len2; + return new_str; +} + +// Replace the buf_chars in 'this' with ones from 'src'. +// Equivalent to deleting this, then inserting src, except tries +// to leave marks in place: Marks whose offset from the start +// of 'this' is less than 'src->length()' will still have the +// same offset in 'this' when done. + +void edit_string::assign(struct edit_string *src) +{ + edit_streambuf dst_file(this, ios::out); + if (buffer == src->buffer /*&& ???*/) { /* overly conservative */ + int src_len; + buf_char *new_str; + new_str = src->copy_bytes(&src_len); + dst_file.sputn(new_str, src_len); + free (new_str); + } else { + edit_streambuf src_file(src, ios::in); + for ( ; ; ) { + int ch = src_file.sbumpc(); + if (ch == EOF) break; + dst_file.sputc(ch); + } + } +} diff --git a/contrib/libio/editbuf.h b/contrib/libio/editbuf.h new file mode 100644 index 0000000..d15758f --- /dev/null +++ b/contrib/libio/editbuf.h @@ -0,0 +1,185 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef _EDITBUF_H +#define _EDITBUF_H +#ifdef __GNUG__ +#pragma interface +#endif +#include <stdio.h> +#include <fstream.h> + +extern "C++" { +typedef unsigned long mark_pointer; +// At some point, it might be nice to parameterize this code +// in terms of buf_char. +typedef /*unsigned*/ char buf_char; + +// Logical pos from start of buffer (does not count gap). +typedef long buf_index; + +// Pos from start of buffer, possibly including gap_size. +typedef long buf_offset; + +#if 0 +struct buf_cookie { + FILE *file; + struct edit_string *str; + struct buf_cookie *next; + buf_index tell(); +}; +#endif + +struct edit_buffer; +struct edit_mark; + +// A edit_string is defined as the region between the 'start' and 'end' marks. +// Normally (always?) 'start->insert_before()' should be false, +// and 'end->insert_before()' should be true. + +struct edit_string { + struct edit_buffer *buffer; // buffer that 'start' and 'end' belong to + struct edit_mark *start, *end; + int length() const; // count of buf_chars currently in string + edit_string(struct edit_buffer *b, + struct edit_mark *ms, struct edit_mark *me) + { buffer = b; start = ms; end = me; } +/* Make a fresh, contiguous copy of the data in STR. + Assign length of STR to *LENP. + (Output has extra NUL at out[*LENP].) */ + buf_char *copy_bytes(int *lenp) const; +// FILE *open_file(char *mode); + void assign(struct edit_string *src); // copy bytes from src to this +}; + +struct edit_streambuf : public streambuf { + friend edit_buffer; + edit_string *str; + edit_streambuf* next; // Chain of edit_streambuf's for a edit_buffer. + short _mode; + edit_streambuf(edit_string* bstr, int mode); + ~edit_streambuf(); + virtual int underflow(); + virtual int overflow(int c = EOF); + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + void flush_to_buffer(); + void flush_to_buffer(edit_buffer* buffer); + int _inserting; + int inserting() { return _inserting; } + void inserting(int i) { _inserting = i; } +// int delete_chars(int count, char* cut_buf); Not implemented. + int truncate(); + int is_reading() { return gptr() != NULL; } + buf_char* current() { return is_reading() ? gptr() : pptr(); } + void set_current(char *p, int is_reading); + protected: + void disconnect_gap_from_file(edit_buffer* buffer); +}; + +// A 'edit_mark' indicates a position in a buffer. +// It is "attached" the text (rather than the offset). +// There are two kinds of mark, which have different behavior +// when text is inserted at the mark: +// If 'insert_before()' is true the mark will be adjusted to be +// *after* the new text. + +struct edit_mark { + struct edit_mark *chain; + mark_pointer _pos; + inline int insert_before() { return _pos & 1; } + inline unsigned long index_in_buffer(struct edit_buffer *) + { return _pos >> 1; } + inline buf_char *ptr(struct edit_buffer *buf); + buf_index tell(); + edit_mark() { } + edit_mark(struct edit_string *str, long delta); + edit_buffer *buffer(); + ~edit_mark(); +}; + +// A 'edit_buffer' consists of a sequence of buf_chars (the data), +// a list of edit_marks pointing into the data, and a list of FILEs +// also pointing into the data. +// A 'edit_buffer' coerced to a edit_string is the string of +// all the buf_chars in the buffer. + +// This implementation uses a conventional buffer gap (as in Emacs). +// The gap start is defined by de-referencing a (buf_char**). +// This is because sometimes a FILE is inserting into the buffer, +// so rather than having each putc adjust the gap, we use indirection +// to have the gap be defined as the write pointer of the FILE. +// (This assumes that putc adjusts a pointer (as in GNU's libc), not an index.) + +struct edit_buffer { + buf_char *data; /* == emacs buffer_text.p1+1 */ + buf_char *_gap_start; + edit_streambuf* _writer; // If non-NULL, currently writing stream + inline buf_char *gap_start() + { return _writer ? _writer->pptr() : _gap_start; } + buf_offset __gap_end_pos; // size of part 1 + size of gap + /* int gap; implicit: buf_size - size1 - size2 */ + int buf_size; + struct edit_streambuf *files; + struct edit_mark start_mark; + struct edit_mark end_mark; + edit_buffer(); + inline buf_offset gap_end_pos() { return __gap_end_pos; } + inline struct edit_mark *start_marker() { return &start_mark; } + inline struct edit_mark *end_marker() { return &end_mark; } +/* these should be protected, ultimately */ + buf_index tell(edit_mark*); + buf_index tell(buf_char*); + inline buf_char *gap_end() { return data + gap_end_pos(); } + inline int gap_size() { return gap_end() - gap_start(); } + inline int size1() { return gap_start() - data; } + inline int size2() { return buf_size - gap_end_pos(); } + inline struct edit_mark * mark_list() { return &start_mark; } + void make_gap (buf_offset); + void move_gap (buf_offset pos); + void move_gap (buf_char *pos) { move_gap(pos - data); } + void gap_left (int pos); + void gap_right (int pos); + void adjust_markers(mark_pointer low, mark_pointer high, + int amount, buf_char *old_data); + void delete_range(buf_index from, buf_index to); + void delete_range(struct edit_mark *start, struct edit_mark *end); +}; + +extern buf_char * bstr_copy(struct edit_string *str, int *lenp); + +// Convert a edit_mark to a (buf_char*) + +inline buf_char *edit_mark::ptr(struct edit_buffer *buf) + { return buf->data + index_in_buffer(buf); } + +inline void edit_streambuf::flush_to_buffer() +{ + edit_buffer* buffer = str->buffer; + if (buffer->_writer == this) flush_to_buffer(buffer); +} +} // extern "C++" +#endif /* !_EDITBUF_H*/ + diff --git a/contrib/libio/filebuf.cc b/contrib/libio/filebuf.cc new file mode 100644 index 0000000..422d442 --- /dev/null +++ b/contrib/libio/filebuf.cc @@ -0,0 +1,215 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993, 1995 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#include "iostreamP.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <errno.h> +#include "builtinbuf.h" + +void filebuf::init() +{ + _IO_file_init(this); +} + +filebuf::filebuf() +{ + _IO_file_init(this); +} + +#if !_IO_UNIFIED_JUMPTABLES +/* This is like "new filebuf()", but it uses the _IO_file_jump jumptable, + for eficiency. */ + +filebuf* filebuf::__new() +{ + filebuf *fb = new filebuf; + _IO_JUMPS(fb) = &_IO_file_jumps; + fb->_vtable() = builtinbuf_vtable; + return fb; +} +#endif + +filebuf::filebuf(int fd) +{ + _IO_file_init(this); + _IO_file_attach(this, fd); +} + +filebuf::filebuf(int fd, char* p, int len) +{ + _IO_file_init(this); + _IO_file_attach(this, fd); + setbuf(p, len); +} + +filebuf::~filebuf() +{ + if (_IO_file_is_open(this)) + { + _IO_do_flush (this); + if (!(xflags() & _IO_DELETE_DONT_CLOSE)) + _IO_SYSCLOSE (this); + } +} + +filebuf* filebuf::open(const char *filename, ios::openmode mode, int prot) +{ + if (_IO_file_is_open (this)) + return NULL; + int posix_mode; + int read_write; + if (mode & ios::app) + mode |= ios::out; + if ((mode & (ios::in|ios::out)) == (ios::in|ios::out)) { + posix_mode = O_RDWR; + read_write = 0; + } + else if (mode & ios::out) + posix_mode = O_WRONLY, read_write = _IO_NO_READS; + else if (mode & (int)ios::in) + posix_mode = O_RDONLY, read_write = _IO_NO_WRITES; + else + posix_mode = 0, read_write = _IO_NO_READS+_IO_NO_WRITES; + if (mode & ios::binary) + { + mode &= ~ios::binary; +#ifdef O_BINARY + /* This is a (mis-)feature of DOS/Windows C libraries. */ + posix_mode |= O_BINARY; +#endif + } + if ((mode & (int)ios::trunc) || mode == (int)ios::out) + posix_mode |= O_TRUNC; + if (mode & ios::app) + posix_mode |= O_APPEND, read_write |= _IO_IS_APPENDING; + if (!(mode & (int)ios::nocreate) && mode != ios::in) + posix_mode |= O_CREAT; + if (mode & (int)ios::noreplace) + posix_mode |= O_EXCL; +#if _G_HAVE_IO_FILE_OPEN + return (filebuf*)_IO_file_open (this, filename, posix_mode, prot, + read_write, 0); +#else + int fd = ::open(filename, posix_mode, prot); + if (fd < 0) + return NULL; + _fileno = fd; + xsetflags(read_write, _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); + if (mode & (ios::ate|ios::app)) { + if (pubseekoff(0, ios::end) == EOF) + return NULL; + } + _IO_link_in(this); + return this; +#endif +} + +filebuf* filebuf::open(const char *filename, const char *mode) +{ +#if _G_IO_IO_FILE_VERSION == 0x20001 + return (filebuf*)_IO_file_fopen(this, filename, mode, 0); +#else + return (filebuf*)_IO_file_fopen(this, filename, mode); +#endif +} + +filebuf* filebuf::attach(int fd) +{ + return (filebuf*)_IO_file_attach(this, fd); +} + +streambuf* filebuf::setbuf(char* p, int len) +{ + return (streambuf*)_IO_file_setbuf (this, p, len); +} + +int filebuf::doallocate() { return _IO_file_doallocate(this); } + +int filebuf::overflow(int c) +{ + return _IO_file_overflow(this, c); +} + +int filebuf::underflow() +{ + return _IO_file_underflow(this); +} + +int filebuf::sync() +{ + return _IO_file_sync(this); +} + +streampos filebuf::seekoff(streamoff offset, _seek_dir dir, int mode) +{ + return _IO_file_seekoff (this, offset, dir, mode); +} + +filebuf* filebuf::close() +{ + return (_IO_file_close_it(this) ? (filebuf*)NULL : this); +} + +streamsize filebuf::sys_read(char* buf, streamsize size) +{ + return _IO_file_read(this, buf, size); +} + +streampos filebuf::sys_seek(streamoff offset, _seek_dir dir) +{ + return _IO_file_seek(this, offset, dir); +} + +streamsize filebuf::sys_write(const char *buf, streamsize n) +{ + return _IO_file_write (this, buf, n); +} + +int filebuf::sys_stat(void* st) +{ + return _IO_file_stat (this, st); +} + +int filebuf::sys_close() +{ + return _IO_file_close (this); +} + +streamsize filebuf::xsputn(const char *s, streamsize n) +{ + return _IO_file_xsputn(this, s, n); +} + +streamsize filebuf::xsgetn(char *s, streamsize n) +{ + // FIXME: OPTIMIZE THIS (specifically, when unbuffered()). + return streambuf::xsgetn(s, n); +} + +// Non-ANSI AT&T-ism: Default open protection. +const int filebuf::openprot = 0644; diff --git a/contrib/libio/filedoalloc.c b/contrib/libio/filedoalloc.c new file mode 100644 index 0000000..5c62280 --- /dev/null +++ b/contrib/libio/filedoalloc.c @@ -0,0 +1,110 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* Modified for GNU iostream by Per Bothner 1991, 1992. */ + +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +#endif +#include "libioP.h" +#include <sys/types.h> +#include <sys/stat.h> +#ifdef __STDC__ +#include <stdlib.h> +#include <unistd.h> +#endif + +#ifdef _LIBC +# undef isatty +# define isatty(Fd) __isatty (Fd) +#endif + +/* + * Allocate a file buffer, or switch to unbuffered I/O. + * Per the ANSI C standard, ALL tty devices default to line buffered. + * + * As a side effect, we set __SOPT or __SNPT (en/dis-able fseek + * optimisation) right after the _fstat() that finds the buffer size. + */ + +int +_IO_file_doallocate (fp) + _IO_FILE *fp; +{ + _IO_size_t size; + int couldbetty; + char *p; + struct stat st; + +#if !defined(_LIBC) && !defined(__linux__) + /* If _IO_cleanup_registration_needed is non-zero, we should call the + function it points to. This is to make sure _IO_cleanup gets called + on exit. We call it from _IO_file_doallocate, since that is likely + to get called by any program that does buffered I/O. */ + if (_IO_cleanup_registration_needed) + (*_IO_cleanup_registration_needed) (); +#endif + + if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0) + { + couldbetty = 0; + size = _IO_BUFSIZ; +#if 0 + /* do not try to optimise fseek() */ + fp->_flags |= __SNPT; +#endif + } + else + { + couldbetty = S_ISCHR (st.st_mode); +#if _IO_HAVE_ST_BLKSIZE + size = st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize; +#else + size = _IO_BUFSIZ; +#endif + } + ALLOC_BUF (p, size, EOF); + _IO_setb (fp, p, p + size, 1); + if (couldbetty && isatty (fp->_fileno)) + fp->_flags |= _IO_LINE_BUF; + return 1; +} diff --git a/contrib/libio/fileops.c b/contrib/libio/fileops.c new file mode 100644 index 0000000..c440634 --- /dev/null +++ b/contrib/libio/fileops.c @@ -0,0 +1,814 @@ +/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + Written by Per Bothner <bothner@cygnus.com>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + + +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +#endif +#include "libioP.h" +#include <fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#ifndef errno +extern int errno; +#endif + + +#ifdef _LIBC +# define open(Name, Flags, Prot) __open (Name, Flags, Prot) +# define close(FD) __close (FD) +# define fstat(FD, Statbuf) __fstat (FD, Statbuf) +# define lseek(FD, Offset, Whence) __lseek (FD, Offset, Whence) +# define read(FD, Buf, NBytes) __read (FD, Buf, NBytes) +# define write(FD, Buf, NBytes) __write (FD, Buf, NBytes) +#endif + +/* An fstream can be in at most one of put mode, get mode, or putback mode. + Putback mode is a variant of get mode. + + In a filebuf, there is only one current position, instead of two + separate get and put pointers. In get mode, the current position + is that of gptr(); in put mode that of pptr(). + + The position in the buffer that corresponds to the position + in external file system is normally _IO_read_end, except in putback + mode, when it is _IO_save_end. + If the field _fb._offset is >= 0, it gives the offset in + the file as a whole corresponding to eGptr(). (?) + + PUT MODE: + If a filebuf is in put mode, then all of _IO_read_ptr, _IO_read_end, + and _IO_read_base are equal to each other. These are usually equal + to _IO_buf_base, though not necessarily if we have switched from + get mode to put mode. (The reason is to maintain the invariant + that _IO_read_end corresponds to the external file position.) + _IO_write_base is non-NULL and usually equal to _IO_base_base. + We also have _IO_write_end == _IO_buf_end, but only in fully buffered mode. + The un-flushed character are those between _IO_write_base and _IO_write_ptr. + + GET MODE: + If a filebuf is in get or putback mode, eback() != egptr(). + In get mode, the unread characters are between gptr() and egptr(). + The OS file position corresponds to that of egptr(). + + PUTBACK MODE: + Putback mode is used to remember "excess" characters that have + been sputbackc'd in a separate putback buffer. + In putback mode, the get buffer points to the special putback buffer. + The unread characters are the characters between gptr() and egptr() + in the putback buffer, as well as the area between save_gptr() + and save_egptr(), which point into the original reserve buffer. + (The pointers save_gptr() and save_egptr() are the values + of gptr() and egptr() at the time putback mode was entered.) + The OS position corresponds to that of save_egptr(). + + LINE BUFFERED OUTPUT: + During line buffered output, _IO_write_base==base() && epptr()==base(). + However, ptr() may be anywhere between base() and ebuf(). + This forces a call to filebuf::overflow(int C) on every put. + If there is more space in the buffer, and C is not a '\n', + then C is inserted, and pptr() incremented. + + UNBUFFERED STREAMS: + If a filebuf is unbuffered(), the _shortbuf[1] is used as the buffer. +*/ + +#define CLOSED_FILEBUF_FLAGS \ + (_IO_IS_FILEBUF+_IO_NO_READS+_IO_NO_WRITES+_IO_TIED_PUT_GET) + + +void +_IO_file_init (fp) + _IO_FILE *fp; +{ + /* POSIX.1 allows another file handle to be used to change the position + of our file descriptor. Hence we actually don't know the actual + position before we do the first fseek (and until a following fflush). */ + fp->_offset = _IO_pos_BAD; + fp->_IO_file_flags |= CLOSED_FILEBUF_FLAGS; + + _IO_link_in(fp); + fp->_fileno = -1; +} + +int +_IO_file_close_it (fp) + _IO_FILE *fp; +{ + int write_status, close_status; + if (!_IO_file_is_open (fp)) + return EOF; + + write_status = _IO_do_flush (fp); + + _IO_unsave_markers(fp); + + close_status = _IO_SYSCLOSE (fp); + + /* Free buffer. */ + _IO_setb (fp, NULL, NULL, 0); + _IO_setg (fp, NULL, NULL, NULL); + _IO_setp (fp, NULL, NULL); + + _IO_un_link (fp); + fp->_flags = _IO_MAGIC|CLOSED_FILEBUF_FLAGS; + fp->_fileno = EOF; + fp->_offset = _IO_pos_BAD; + + return close_status ? close_status : write_status; +} + +void +_IO_file_finish (fp, dummy) + _IO_FILE *fp; + int dummy; +{ + if (_IO_file_is_open (fp)) + { + _IO_do_flush (fp); + if (!(fp->_flags & _IO_DELETE_DONT_CLOSE)) + _IO_SYSCLOSE (fp); + } + _IO_default_finish (fp, 0); +} + +_IO_FILE * +_IO_file_fopen (fp, filename, mode) + _IO_FILE *fp; + const char *filename; + const char *mode; +{ + int oflags = 0, omode; + int read_write, fdesc; + int oprot = 0666; + if (_IO_file_is_open (fp)) + return 0; + switch (*mode++) + { + case 'r': + omode = O_RDONLY; + read_write = _IO_NO_WRITES; + break; + case 'w': + omode = O_WRONLY; + oflags = O_CREAT|O_TRUNC; + read_write = _IO_NO_READS; + break; + case 'a': + omode = O_WRONLY; + oflags = O_CREAT|O_APPEND; + read_write = _IO_NO_READS|_IO_IS_APPENDING; + break; + default: + __set_errno (EINVAL); + return NULL; + } + if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+')) + { + omode = O_RDWR; + read_write &= _IO_IS_APPENDING; + } + fdesc = open (filename, omode|oflags, oprot); + if (fdesc < 0) + return NULL; + fp->_fileno = fdesc; + _IO_mask_flags (fp, read_write,_IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); + if (read_write & _IO_IS_APPENDING) + if (_IO_SEEKOFF (fp, (_IO_off_t)0, _IO_seek_end, _IOS_INPUT|_IOS_OUTPUT) + == _IO_pos_BAD && errno != ESPIPE) + return NULL; + _IO_link_in (fp); + return fp; +} + +_IO_FILE * +_IO_file_attach (fp, fd) + _IO_FILE *fp; + int fd; +{ + if (_IO_file_is_open (fp)) + return NULL; + fp->_fileno = fd; + fp->_flags &= ~(_IO_NO_READS+_IO_NO_WRITES); + fp->_flags |= _IO_DELETE_DONT_CLOSE; + /* Get the current position of the file. */ + /* We have to do that since that may be junk. */ + fp->_offset = _IO_pos_BAD; + if (_IO_SEEKOFF (fp, (_IO_off_t)0, _IO_seek_cur, _IOS_INPUT|_IOS_OUTPUT) + == _IO_pos_BAD && errno != ESPIPE) + return NULL; + return fp; +} + +_IO_FILE * +_IO_file_setbuf (fp, p, len) + _IO_FILE *fp; + char *p; + _IO_ssize_t len; +{ + if (_IO_default_setbuf (fp, p, len) == NULL) + return NULL; + + fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end + = fp->_IO_buf_base; + _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base); + + return fp; +} + +/* Write TO_DO bytes from DATA to FP. + Then mark FP as having empty buffers. */ + +int +_IO_do_write (fp, data, to_do) + _IO_FILE *fp; + const char *data; + _IO_size_t to_do; +{ + _IO_size_t count; + if (to_do == 0) + return 0; + if (fp->_flags & _IO_IS_APPENDING) + /* On a system without a proper O_APPEND implementation, + you would need to sys_seek(0, SEEK_END) here, but it + is not needed nor desirable for Unix- or Posix-like systems. + Instead, just indicate that offset (before and after) is + unpredictable. */ + fp->_offset = _IO_pos_BAD; + else if (fp->_IO_read_end != fp->_IO_write_base) + { + _IO_pos_t new_pos + = _IO_SYSSEEK (fp, fp->_IO_write_base - fp->_IO_read_end, 1); + if (new_pos == _IO_pos_BAD) + return EOF; + fp->_offset = new_pos; + } + count = _IO_SYSWRITE (fp, data, to_do); + if (fp->_cur_column) + fp->_cur_column = _IO_adjust_column (fp->_cur_column - 1, data, to_do) + 1; + _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base); + fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_buf_base; + fp->_IO_write_end = ((fp->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED)) + ? fp->_IO_buf_base : fp->_IO_buf_end); + return count != to_do ? EOF : 0; +} + +int +_IO_file_underflow (fp) + _IO_FILE *fp; +{ + _IO_ssize_t count; +#if 0 + /* SysV does not make this test; take it out for compatibility */ + if (fp->_flags & _IO_EOF_SEEN) + return (EOF); +#endif + + if (fp->_flags & _IO_NO_READS) + { + __set_errno (EBADF); + return EOF; + } + if (fp->_IO_read_ptr < fp->_IO_read_end) + return *(unsigned char *) fp->_IO_read_ptr; + + if (fp->_IO_buf_base == NULL) + _IO_doallocbuf (fp); + + /* Flush all line buffered files before reading. */ + /* FIXME This can/should be moved to genops ?? */ + if (fp->_flags & (_IO_LINE_BUF|_IO_UNBUFFERED)) + _IO_flush_all_linebuffered (); + + _IO_switch_to_get_mode (fp); + + /* This is very tricky. We have to adjust those + pointers before we call _IO_SYSREAD () since + we may longjump () out while waiting for + input. Those pointers may be screwed up. H.J. */ + fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_buf_base; + fp->_IO_read_end = fp->_IO_buf_base; + fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end + = fp->_IO_buf_base; + + count = _IO_SYSREAD (fp, fp->_IO_buf_base, + fp->_IO_buf_end - fp->_IO_buf_base); + if (count <= 0) + { + if (count == 0) + fp->_flags |= _IO_EOF_SEEN; + else + fp->_flags |= _IO_ERR_SEEN, count = 0; + } + fp->_IO_read_end += count; + if (count == 0) + return EOF; + if (fp->_offset != _IO_pos_BAD) + _IO_pos_adjust (fp->_offset, count); + return *(unsigned char *) fp->_IO_read_ptr; +} + +int +_IO_file_overflow (f, ch) + _IO_FILE *f; + int ch; +{ + if (f->_flags & _IO_NO_WRITES) /* SET ERROR */ + { + f->_flags |= _IO_ERR_SEEN; + __set_errno (EBADF); + return EOF; + } + /* If currently reading or no buffer allocated. */ + if ((f->_flags & _IO_CURRENTLY_PUTTING) == 0) + { + /* Allocate a buffer if needed. */ + if (f->_IO_write_base == 0) + { + _IO_doallocbuf (f); + _IO_setg (f, f->_IO_buf_base, f->_IO_buf_base, f->_IO_buf_base); + } + /* Otherwise must be currently reading. + If _IO_read_ptr (and hence also _IO_read_end) is at the buffer end, + logically slide the buffer forwards one block (by setting the + read pointers to all point at the beginning of the block). This + makes room for subsequent output. + Otherwise, set the read pointers to _IO_read_end (leaving that + alone, so it can continue to correspond to the external position). */ + if (f->_IO_read_ptr == f->_IO_buf_end) + f->_IO_read_end = f->_IO_read_ptr = f->_IO_buf_base; + f->_IO_write_ptr = f->_IO_read_ptr; + f->_IO_write_base = f->_IO_write_ptr; + f->_IO_write_end = f->_IO_buf_end; + f->_IO_read_base = f->_IO_read_ptr = f->_IO_read_end; + + if (f->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED)) + f->_IO_write_end = f->_IO_write_ptr; + f->_flags |= _IO_CURRENTLY_PUTTING; + } + if (ch == EOF) + return _IO_do_flush (f); + if (f->_IO_write_ptr == f->_IO_buf_end ) /* Buffer is really full */ + if (_IO_do_flush (f) == EOF) + return EOF; + *f->_IO_write_ptr++ = ch; + if ((f->_flags & _IO_UNBUFFERED) + || ((f->_flags & _IO_LINE_BUF) && ch == '\n')) + if (_IO_do_flush (f) == EOF) + return EOF; + return (unsigned char) ch; +} + +int +_IO_file_sync (fp) + _IO_FILE *fp; +{ + _IO_size_t delta; + int retval = 0; + + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + /* char* ptr = cur_ptr(); */ + if (fp->_IO_write_ptr > fp->_IO_write_base) + if (_IO_do_flush(fp)) return EOF; + delta = fp->_IO_read_ptr - fp->_IO_read_end; + if (delta != 0) + { +#ifdef TODO + if (_IO_in_backup (fp)) + delta -= eGptr () - Gbase (); +#endif + _IO_off_t new_pos = _IO_SYSSEEK (fp, delta, 1); + if (new_pos != (_IO_off_t) EOF) + fp->_IO_read_end = fp->_IO_read_ptr; +#ifdef ESPIPE + else if (errno == ESPIPE) + ; /* Ignore error from unseekable devices. */ +#endif + else + retval = EOF; + } + if (retval != EOF) + fp->_offset = _IO_pos_BAD; + /* FIXME: Cleanup - can this be shared? */ + /* setg(base(), ptr, ptr); */ + _IO_cleanup_region_end (1); + return retval; +} + +_IO_pos_t +_IO_file_seekoff (fp, offset, dir, mode) + _IO_FILE *fp; + _IO_off_t offset; + int dir; + int mode; +{ + _IO_pos_t result; + _IO_off_t delta, new_offset; + long count; + /* POSIX.1 8.2.3.7 says that after a call the fflush() the file + offset of the underlying file must be exact. */ + int must_be_exact = (fp->_IO_read_base == fp->_IO_read_end + && fp->_IO_write_base == fp->_IO_write_ptr); + + if (mode == 0) + dir = _IO_seek_cur, offset = 0; /* Don't move any pointers. */ + + /* Flush unwritten characters. + (This may do an unneeded write if we seek within the buffer. + But to be able to switch to reading, we would need to set + egptr to ptr. That can't be done in the current design, + which assumes file_ptr() is eGptr. Anyway, since we probably + end up flushing when we close(), it doesn't make much difference.) + FIXME: simulate mem-papped files. */ + + if (fp->_IO_write_ptr > fp->_IO_write_base || _IO_in_put_mode (fp)) + if (_IO_switch_to_get_mode (fp)) + return EOF; + + if (fp->_IO_buf_base == NULL) + { + _IO_doallocbuf (fp); + _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); + _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base); + } + + switch (dir) + { + case _IO_seek_cur: + /* Adjust for read-ahead (bytes is buffer). */ + offset -= fp->_IO_read_end - fp->_IO_read_ptr; + if (fp->_offset == _IO_pos_BAD) + goto dumb; + /* Make offset absolute, assuming current pointer is file_ptr(). */ + offset += _IO_pos_as_off (fp->_offset); + + dir = _IO_seek_set; + break; + case _IO_seek_set: + break; + case _IO_seek_end: + { + struct stat st; + if (_IO_SYSSTAT (fp, &st) == 0 && S_ISREG (st.st_mode)) + { + offset += st.st_size; + dir = _IO_seek_set; + } + else + goto dumb; + } + } + /* At this point, dir==_IO_seek_set. */ + + /* If destination is within current buffer, optimize: */ + if (fp->_offset != _IO_pos_BAD && fp->_IO_read_base != NULL + && !_IO_in_backup (fp)) + { + /* Offset relative to start of main get area. */ + _IO_pos_t rel_offset = (offset - fp->_offset + + (fp->_IO_read_end - fp->_IO_read_base)); + if (rel_offset >= 0) + { +#if 0 + if (_IO_in_backup (fp)) + _IO_switch_to_main_get_area (fp); +#endif + if (rel_offset <= fp->_IO_read_end - fp->_IO_read_base) + { + _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + rel_offset, + fp->_IO_read_end); + _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); + return offset; + } +#ifdef TODO + /* If we have streammarkers, seek forward by reading ahead. */ + if (_IO_have_markers (fp)) + { + int to_skip = rel_offset + - (fp->_IO_read_ptr - fp->_IO_read_base); + if (ignore (to_skip) != to_skip) + goto dumb; + return offset; + } +#endif + } +#ifdef TODO + if (rel_offset < 0 && rel_offset >= Bbase () - Bptr ()) + { + if (!_IO_in_backup (fp)) + _IO_switch_to_backup_area (fp); + gbump (fp->_IO_read_end + rel_offset - fp->_IO_read_ptr); + return offset; + } +#endif + } + +#ifdef TODO + _IO_unsave_markers (fp); +#endif + + if (fp->_flags & _IO_NO_READS) + goto dumb; + + /* Try to seek to a block boundary, to improve kernel page management. */ + new_offset = offset & ~(fp->_IO_buf_end - fp->_IO_buf_base - 1); + delta = offset - new_offset; + if (delta > fp->_IO_buf_end - fp->_IO_buf_base) + { + new_offset = offset; + delta = 0; + } + result = _IO_SYSSEEK (fp, new_offset, 0); + if (result < 0) + return EOF; + if (delta == 0) + count = 0; + else + { + count = _IO_SYSREAD (fp, fp->_IO_buf_base, + (must_be_exact + ? delta : fp->_IO_buf_end - fp->_IO_buf_base)); + if (count < delta) + { + /* We weren't allowed to read, but try to seek the remainder. */ + offset = count == EOF ? delta : delta-count; + dir = _IO_seek_cur; + goto dumb; + } + } + _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + delta, + fp->_IO_buf_base + count); + _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); + fp->_offset = result + count; + _IO_mask_flags (fp, 0, _IO_EOF_SEEN); + return offset; + dumb: + + _IO_unsave_markers (fp); + result = _IO_SYSSEEK (fp, offset, dir); + if (result != EOF) + _IO_mask_flags (fp, 0, _IO_EOF_SEEN); + fp->_offset = result; + _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base); + _IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base); + return result; +} + +_IO_ssize_t +_IO_file_read (fp, buf, size) + _IO_FILE *fp; + void *buf; + _IO_ssize_t size; +{ + return read (fp->_fileno, buf, size); +} + +_IO_pos_t +_IO_file_seek (fp, offset, dir) + _IO_FILE *fp; + _IO_off_t offset; + int dir; +{ + return lseek (fp->_fileno, offset, dir); +} + +int +_IO_file_stat (fp, st) + _IO_FILE *fp; + void *st; +{ + return fstat (fp->_fileno, (struct stat *) st); +} + +int +_IO_file_close (fp) + _IO_FILE *fp; +{ + return close (fp->_fileno); +} + +_IO_ssize_t +_IO_file_write (f, data, n) + _IO_FILE *f; + const void *data; + _IO_ssize_t n; +{ + _IO_ssize_t to_do = n; + while (to_do > 0) + { + _IO_ssize_t count = write (f->_fileno, data, to_do); + if (count == EOF) + { + f->_flags |= _IO_ERR_SEEN; + break; + } + to_do -= count; + data = (void *) ((char *) data + count); + } + n -= to_do; + if (f->_offset >= 0) + f->_offset += n; + return n; +} + +_IO_size_t +_IO_file_xsputn (f, data, n) + _IO_FILE *f; + const void *data; + _IO_size_t n; +{ + register const char *s = (char *) data; + _IO_size_t to_do = n; + int must_flush = 0; + _IO_size_t count; + + if (n <= 0) + return 0; + /* This is an optimized implementation. + If the amount to be written straddles a block boundary + (or the filebuf is unbuffered), use sys_write directly. */ + + /* First figure out how much space is available in the buffer. */ + count = f->_IO_write_end - f->_IO_write_ptr; /* Space available. */ + if ((f->_flags & _IO_LINE_BUF) && (f->_flags & _IO_CURRENTLY_PUTTING)) + { + count = f->_IO_buf_end - f->_IO_write_ptr; + if (count >= n) + { + register const char *p; + for (p = s + n; p > s; ) + { + if (*--p == '\n') + { + count = p - s + 1; + must_flush = 1; + break; + } + } + } + } + /* Then fill the buffer. */ + if (count > 0) + { + if (count > to_do) + count = to_do; + if (count > 20) + { + memcpy (f->_IO_write_ptr, s, count); + s += count; + } + else + { + register char *p = f->_IO_write_ptr; + register int i = (int) count; + while (--i >= 0) + *p++ = *s++; + } + f->_IO_write_ptr += count; + to_do -= count; + } + if (to_do + must_flush > 0) + { + _IO_size_t block_size, dont_write; + /* Next flush the (full) buffer. */ + if (__overflow (f, EOF) == EOF) + return n - to_do; + + /* Try to maintain alignment: write a whole number of blocks. + dont_write is what gets left over. */ + block_size = f->_IO_buf_end - f->_IO_buf_base; + dont_write = block_size >= 128 ? to_do % block_size : 0; + + count = to_do - dont_write; + if (_IO_do_write (f, s, count) == EOF) + return n - to_do; + to_do = dont_write; + + /* Now write out the remainder. Normally, this will fit in the + buffer, but it's somewhat messier for line-buffered files, + so we let _IO_default_xsputn handle the general case. */ + if (dont_write) + to_do -= _IO_default_xsputn (f, s+count, dont_write); + } + return n - to_do; +} + +#if 0 +/* Work in progress */ +_IO_size_t +_IO_file_xsgetn (fp, data, n) + _IO_FILE *fp; + void *data; + _IO_size_t n; +{ + register _IO_size_t more = n; + register char *s = data; + for (;;) + { + /* Data available. */ + _IO_ssize_t count = fp->_IO_read_end - fp->_IO_read_ptr; + if (count > 0) + { + if (count > more) + count = more; + if (count > 20) + { + memcpy (s, fp->_IO_read_ptr, count); + s += count; + fp->_IO_read_ptr += count; + } + else if (count <= 0) + count = 0; + else + { + register char *p = fp->_IO_read_ptr; + register int i = (int) count; + while (--i >= 0) + *s++ = *p++; + fp->_IO_read_ptr = p; + } + more -= count; + } +#if 0 + if (! _IO_in put_mode (fp) + && ! _IO_have_markers (fp) && ! IO_have_backup (fp)) + { + /* This is an optimization of _IO_file_underflow */ + if (fp->_flags & _IO_NO_READS) + break; + /* If we're reading a lot of data, don't bother allocating + a buffer. But if we're only reading a bit, perhaps we should ??*/ + if (count <= 512 && fp->_IO_buf_base == NULL) + _IO_doallocbuf (fp); + if (fp->_flags & (_IO_LINE_BUF|_IO_UNBUFFERED)) + _IO_flush_all_linebuffered (); + + _IO_switch_to_get_mode (fp); ???; + count = _IO_SYSREAD (fp, s, more); + if (count <= 0) + { + if (count == 0) + fp->_flags |= _IO_EOF_SEEN; + else + fp->_flags |= _IO_ERR_SEEN, count = 0; + } + + s += count; + more -= count; + } +#endif + if (more == 0 || __underflow (fp) == EOF) + break; + } + return n - more; +} +#endif + +struct _IO_jump_t _IO_file_jumps = +{ + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_file_finish), + JUMP_INIT(overflow, _IO_file_overflow), + JUMP_INIT(underflow, _IO_file_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_default_pbackfail), + JUMP_INIT(xsputn, _IO_file_xsputn), + JUMP_INIT(xsgetn, _IO_default_xsgetn), + JUMP_INIT(seekoff, _IO_file_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, _IO_file_setbuf), + JUMP_INIT(sync, _IO_file_sync), + JUMP_INIT(doallocate, _IO_file_doallocate), + JUMP_INIT(read, _IO_file_read), + JUMP_INIT(write, _IO_file_write), + JUMP_INIT(seek, _IO_file_seek), + JUMP_INIT(close, _IO_file_close), + JUMP_INIT(stat, _IO_file_stat) +}; diff --git a/contrib/libio/floatconv.c b/contrib/libio/floatconv.c new file mode 100644 index 0000000..9503187 --- /dev/null +++ b/contrib/libio/floatconv.c @@ -0,0 +1,2375 @@ +/* +Copyright (C) 1993, 1994 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <libioP.h> +#ifdef _IO_USE_DTOA +/**************************************************************** + * + * The author of this software is David M. Gay. + * + * Copyright (c) 1991 by AT&T. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + * + ***************************************************************/ + +/* Some cleaning up by Per Bothner, bothner@cygnus.com, 1992, 1993. + Re-written to not need static variables + (except result, result_k, HIWORD, LOWORD). */ + +/* Note that the checking of _DOUBLE_IS_32BITS is for use with the + cross targets that employ the newlib ieeefp.h header. -- brendan */ + +/* Please send bug reports to + David M. Gay + AT&T Bell Laboratories, Room 2C-463 + 600 Mountain Avenue + Murray Hill, NJ 07974-2070 + U.S.A. + dmg@research.att.com or research!dmg + */ + +/* strtod for IEEE-, VAX-, and IBM-arithmetic machines. + * + * This strtod returns a nearest machine number to the input decimal + * string (or sets errno to ERANGE). With IEEE arithmetic, ties are + * broken by the IEEE round-even rule. Otherwise ties are broken by + * biased rounding (add half and chop). + * + * Inspired loosely by William D. Clinger's paper "How to Read Floating + * Point Numbers Accurately" [Proc. ACM SIGPLAN '90, pp. 92-101]. + * + * Modifications: + * + * 1. We only require IEEE, IBM, or VAX double-precision + * arithmetic (not IEEE double-extended). + * 2. We get by with floating-point arithmetic in a case that + * Clinger missed -- when we're computing d * 10^n + * for a small integer d and the integer n is not too + * much larger than 22 (the maximum integer k for which + * we can represent 10^k exactly), we may be able to + * compute (d*10^k) * 10^(e-k) with just one roundoff. + * 3. Rather than a bit-at-a-time adjustment of the binary + * result in the hard case, we use floating-point + * arithmetic to determine the adjustment to within + * one bit; only in really hard cases do we need to + * compute a second residual. + * 4. Because of 3., we don't need a large table of powers of 10 + * for ten-to-e (just some small tables, e.g. of 10^k + * for 0 <= k <= 22). + */ + +/* + * #define IEEE_8087 for IEEE-arithmetic machines where the least + * significant byte has the lowest address. + * #define IEEE_MC68k for IEEE-arithmetic machines where the most + * significant byte has the lowest address. + * #define Sudden_Underflow for IEEE-format machines without gradual + * underflow (i.e., that flush to zero on underflow). + * #define IBM for IBM mainframe-style floating-point arithmetic. + * #define VAX for VAX-style floating-point arithmetic. + * #define Unsigned_Shifts if >> does treats its left operand as unsigned. + * #define No_leftright to omit left-right logic in fast floating-point + * computation of dtoa. + * #define Check_FLT_ROUNDS if FLT_ROUNDS can assume the values 2 or 3. + * #define RND_PRODQUOT to use rnd_prod and rnd_quot (assembly routines + * that use extended-precision instructions to compute rounded + * products and quotients) with IBM. + * #define ROUND_BIASED for IEEE-format with biased rounding. + * #define Inaccurate_Divide for IEEE-format with correctly rounded + * products but inaccurate quotients, e.g., for Intel i860. + * #define KR_headers for old-style C function headers. + */ + +#ifdef DEBUG +#include <stdio.h> +#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);} +#endif + +#ifdef __STDC__ +#include <stdlib.h> +#include <string.h> +#include <float.h> +#define CONST const +#else +#define CONST +#define KR_headers + +/* In this case, we assume IEEE floats. */ +#define FLT_ROUNDS 1 +#define FLT_RADIX 2 +#define DBL_MANT_DIG 53 +#define DBL_DIG 15 +#define DBL_MAX_10_EXP 308 +#define DBL_MAX_EXP 1024 +#endif + +#include <errno.h> +#ifndef __MATH_H__ +#include <math.h> +#endif + +#ifdef Unsigned_Shifts +#define Sign_Extend(a,b) if (b < 0) a |= 0xffff0000; +#else +#define Sign_Extend(a,b) /*no-op*/ +#endif + +#if defined(__i386__) || defined(__i860__) || defined(clipper) +#define IEEE_8087 +#endif +#if defined(MIPSEL) || defined(__alpha__) +#define IEEE_8087 +#endif +#if defined(__sparc__) || defined(sparc) || defined(MIPSEB) +#define IEEE_MC68k +#endif + +#if defined(IEEE_8087) + defined(IEEE_MC68k) + defined(VAX) + defined(IBM) != 1 + +#ifndef _DOUBLE_IS_32BITS +#if FLT_RADIX==16 +#define IBM +#else +#if DBL_MANT_DIG==56 +#define VAX +#else +#if DBL_MANT_DIG==53 && DBL_MAX_10_EXP==308 +#define IEEE_Unknown +#else +Exactly one of IEEE_8087, IEEE_MC68k, VAX, or IBM should be defined. +#endif +#endif +#endif +#endif /* !_DOUBLE_IS_32BITS */ +#endif + +typedef _G_uint32_t unsigned32; + +union doubleword { + double d; + unsigned32 u[2]; +}; + +#ifdef IEEE_8087 +#define HIWORD 1 +#define LOWORD 0 +#define TEST_ENDIANNESS /* nothing */ +#else +#if defined(IEEE_MC68k) +#define HIWORD 0 +#define LOWORD 1 +#define TEST_ENDIANNESS /* nothing */ +#else +static int HIWORD = -1, LOWORD; +static void test_endianness() +{ + union doubleword dw; + dw.d = 10; + if (dw.u[0] != 0) /* big-endian */ + HIWORD=0, LOWORD=1; + else + HIWORD=1, LOWORD=0; +} +#define TEST_ENDIANNESS if (HIWORD<0) test_endianness(); +#endif +#endif + +#if 0 +union doubleword _temp; +#endif +#if defined(__GNUC__) && !defined(_DOUBLE_IS_32BITS) +#define word0(x) ({ union doubleword _du; _du.d = (x); _du.u[HIWORD]; }) +#define word1(x) ({ union doubleword _du; _du.d = (x); _du.u[LOWORD]; }) +#define setword0(D,W) \ + ({ union doubleword _du; _du.d = (D); _du.u[HIWORD]=(W); (D)=_du.d; }) +#define setword1(D,W) \ + ({ union doubleword _du; _du.d = (D); _du.u[LOWORD]=(W); (D)=_du.d; }) +#define setwords(D,W0,W1) ({ union doubleword _du; \ + _du.u[HIWORD]=(W0); _du.u[LOWORD]=(W1); (D)=_du.d; }) +#define addword0(D,W) \ + ({ union doubleword _du; _du.d = (D); _du.u[HIWORD]+=(W); (D)=_du.d; }) +#else +#define word0(x) ((unsigned32 *)&x)[HIWORD] +#ifndef _DOUBLE_IS_32BITS +#define word1(x) ((unsigned32 *)&x)[LOWORD] +#else +#define word1(x) 0 +#endif +#define setword0(D,W) word0(D) = (W) +#ifndef _DOUBLE_IS_32BITS +#define setword1(D,W) word1(D) = (W) +#define setwords(D,W0,W1) (setword0(D,W0),setword1(D,W1)) +#else +#define setword1(D,W) +#define setwords(D,W0,W1) (setword0(D,W0)) +#endif +#define addword0(D,X) (word0(D) += (X)) +#endif + +/* The following definition of Storeinc is appropriate for MIPS processors. */ +#if defined(IEEE_8087) + defined(VAX) +#define Storeinc(a,b,c) (((unsigned short *)a)[1] = (unsigned short)b, \ +((unsigned short *)a)[0] = (unsigned short)c, a++) +#else +#if defined(IEEE_MC68k) +#define Storeinc(a,b,c) (((unsigned short *)a)[0] = (unsigned short)b, \ +((unsigned short *)a)[1] = (unsigned short)c, a++) +#else +#define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff) +#endif +#endif + +/* #define P DBL_MANT_DIG */ +/* Ten_pmax = floor(P*log(2)/log(5)) */ +/* Bletch = (highest power of 2 < DBL_MAX_10_EXP) / 16 */ +/* Quick_max = floor((P-1)*log(FLT_RADIX)/log(10) - 1) */ +/* Int_max = floor(P*log(FLT_RADIX)/log(10) - 1) */ + +#if defined(IEEE_8087) + defined(IEEE_MC68k) + defined(IEEE_Unknown) +#define Exp_shift 20 +#define Exp_shift1 20 +#define Exp_msk1 0x100000 +#define Exp_msk11 0x100000 +#define Exp_mask 0x7ff00000 +#define P 53 +#define Bias 1023 +#define IEEE_Arith +#define Emin (-1022) +#define Exp_1 0x3ff00000 +#define Exp_11 0x3ff00000 +#define Ebits 11 +#define Frac_mask 0xfffff +#define Frac_mask1 0xfffff +#define Ten_pmax 22 +#define Bletch 0x10 +#define Bndry_mask 0xfffff +#define Bndry_mask1 0xfffff +#define LSB 1 +#define Sign_bit 0x80000000 +#define Log2P 1 +#define Tiny0 0 +#define Tiny1 1 +#define Quick_max 14 +#define Int_max 14 +#define Infinite(x) (word0(x) == 0x7ff00000) /* sufficient test for here */ +#else +#undef Sudden_Underflow +#define Sudden_Underflow +#ifdef IBM +#define Exp_shift 24 +#define Exp_shift1 24 +#define Exp_msk1 0x1000000 +#define Exp_msk11 0x1000000 +#define Exp_mask 0x7f000000 +#define P 14 +#define Bias 65 +#define Exp_1 0x41000000 +#define Exp_11 0x41000000 +#define Ebits 8 /* exponent has 7 bits, but 8 is the right value in b2d */ +#define Frac_mask 0xffffff +#define Frac_mask1 0xffffff +#define Bletch 4 +#define Ten_pmax 22 +#define Bndry_mask 0xefffff +#define Bndry_mask1 0xffffff +#define LSB 1 +#define Sign_bit 0x80000000 +#define Log2P 4 +#define Tiny0 0x100000 +#define Tiny1 0 +#define Quick_max 14 +#define Int_max 15 +#else /* VAX */ +#define Exp_shift 23 +#define Exp_shift1 7 +#define Exp_msk1 0x80 +#define Exp_msk11 0x800000 +#define Exp_mask 0x7f80 +#define P 56 +#define Bias 129 +#define Exp_1 0x40800000 +#define Exp_11 0x4080 +#define Ebits 8 +#define Frac_mask 0x7fffff +#define Frac_mask1 0xffff007f +#define Ten_pmax 24 +#define Bletch 2 +#define Bndry_mask 0xffff007f +#define Bndry_mask1 0xffff007f +#define LSB 0x10000 +#define Sign_bit 0x8000 +#define Log2P 1 +#define Tiny0 0x80 +#define Tiny1 0 +#define Quick_max 15 +#define Int_max 15 +#endif +#endif + +#ifndef IEEE_Arith +#define ROUND_BIASED +#endif + +#ifdef RND_PRODQUOT +#define rounded_product(a,b) a = rnd_prod(a, b) +#define rounded_quotient(a,b) a = rnd_quot(a, b) +extern double rnd_prod(double, double), rnd_quot(double, double); +#else +#define rounded_product(a,b) a *= b +#define rounded_quotient(a,b) a /= b +#endif + +#define Big0 (Frac_mask1 | Exp_msk1*(DBL_MAX_EXP+Bias-1)) +#define Big1 0xffffffff + +#define Kmax 15 + +/* (1<<BIGINT_MINIMUM_K) is the minimum number of words to allocate + in a Bigint. dtoa usually manages with 1<<2, and has not been + known to need more than 1<<3. */ + +#define BIGINT_MINIMUM_K 3 + +struct Bigint { + struct Bigint *next; + int k; /* Parameter given to Balloc(k) */ + int maxwds; /* Allocated space: equals 1<<k. */ + short on_stack; /* 1 if stack-allocated. */ + short sign; /* 0 if value is positive or zero; 1 if negative. */ + int wds; /* Current length. */ + unsigned32 x[1<<BIGINT_MINIMUM_K]; /* Actually: x[maxwds] */ +}; + +#define BIGINT_HEADER_SIZE \ + (sizeof(Bigint) - (1<<BIGINT_MINIMUM_K) * sizeof(unsigned32)) + +typedef struct Bigint Bigint; + +/* Initialize a stack-allocated Bigint. */ + +static Bigint * +Binit +#ifdef KR_headers + (v) Bigint *v; +#else + (Bigint *v) +#endif +{ + v->on_stack = 1; + v->k = BIGINT_MINIMUM_K; + v->maxwds = 1 << BIGINT_MINIMUM_K; + v->sign = v->wds = 0; + return v; +} + +/* Allocate a Bigint with '1<<k' big digits. */ + +static Bigint * +Balloc +#ifdef KR_headers + (k) int k; +#else + (int k) +#endif +{ + int x; + Bigint *rv; + + if (k < BIGINT_MINIMUM_K) + k = BIGINT_MINIMUM_K; + + x = 1 << k; + rv = (Bigint *) + malloc(BIGINT_HEADER_SIZE + x * sizeof(unsigned32)); + rv->k = k; + rv->maxwds = x; + rv->sign = rv->wds = 0; + rv->on_stack = 0; + return rv; +} + +static void +Bfree +#ifdef KR_headers + (v) Bigint *v; +#else + (Bigint *v) +#endif +{ + if (v && !v->on_stack) + free (v); +} + +static void +Bcopy +#ifdef KR_headers + (x, y) Bigint *x, *y; +#else + (Bigint *x, Bigint *y) +#endif +{ + register unsigned32 *xp, *yp; + register int i = y->wds; + x->sign = y->sign; + x->wds = i; + for (xp = x->x, yp = y->x; --i >= 0; ) + *xp++ = *yp++; +} + +/* Make sure b has room for at least 1<<k big digits. */ + +static Bigint * +Brealloc +#ifdef KR_headers + (b, k) Bigint *b; int k; +#else + (Bigint * b, int k) +#endif +{ + if (b == NULL) + return Balloc(k); + if (b->k >= k) + return b; + else + { + Bigint *rv = Balloc (k); + Bcopy(rv, b); + Bfree(b); + return rv; + } +} + +/* Return b*m+a. b is modified. + Assumption: 0xFFFF*m+a fits in 32 bits. */ + +static Bigint * +multadd +#ifdef KR_headers + (b, m, a) Bigint *b; int m, a; +#else + (Bigint *b, int m, int a) +#endif +{ + int i, wds; + unsigned32 *x, y; + unsigned32 xi, z; + + wds = b->wds; + x = b->x; + i = 0; + do { + xi = *x; + y = (xi & 0xffff) * m + a; + z = (xi >> 16) * m + (y >> 16); + a = (int)(z >> 16); + *x++ = (z << 16) + (y & 0xffff); + } + while(++i < wds); + if (a) { + if (wds >= b->maxwds) + b = Brealloc(b, b->k+1); + b->x[wds++] = a; + b->wds = wds; + } + return b; + } + +static Bigint * +s2b +#ifdef KR_headers + (result, s, nd0, nd, y9) + Bigint *result; CONST char *s; int nd0, nd; unsigned32 y9; +#else + (Bigint *result, CONST char *s, int nd0, int nd, unsigned32 y9) +#endif +{ + int i, k; + _G_int32_t x, y; + + x = (nd + 8) / 9; + for(k = 0, y = 1; x > y; y <<= 1, k++) ; + result = Brealloc(result, k); + result->x[0] = y9; + result->wds = 1; + + i = 9; + if (9 < nd0) + { + s += 9; + do + result = multadd(result, 10, *s++ - '0'); + while (++i < nd0); + s++; + } + else + s += 10; + for(; i < nd; i++) + result = multadd(result, 10, *s++ - '0'); + return result; +} + +static int +hi0bits +#ifdef KR_headers + (x) register unsigned32 x; +#else + (register unsigned32 x) +#endif +{ + register int k = 0; + + if (!(x & 0xffff0000)) { + k = 16; + x <<= 16; + } + if (!(x & 0xff000000)) { + k += 8; + x <<= 8; + } + if (!(x & 0xf0000000)) { + k += 4; + x <<= 4; + } + if (!(x & 0xc0000000)) { + k += 2; + x <<= 2; + } + if (!(x & 0x80000000)) { + k++; + if (!(x & 0x40000000)) + return 32; + } + return k; + } + +static int +lo0bits +#ifdef KR_headers + (y) unsigned32 *y; +#else + (unsigned32 *y) +#endif +{ + register int k; + register unsigned32 x = *y; + + if (x & 7) { + if (x & 1) + return 0; + if (x & 2) { + *y = x >> 1; + return 1; + } + *y = x >> 2; + return 2; + } + k = 0; + if (!(x & 0xffff)) { + k = 16; + x >>= 16; + } + if (!(x & 0xff)) { + k += 8; + x >>= 8; + } + if (!(x & 0xf)) { + k += 4; + x >>= 4; + } + if (!(x & 0x3)) { + k += 2; + x >>= 2; + } + if (!(x & 1)) { + k++; + x >>= 1; + if (!x & 1) + return 32; + } + *y = x; + return k; + } + +static Bigint * +i2b +#ifdef KR_headers + (result, i) Bigint *result; int i; +#else + (Bigint* result, int i) +#endif +{ + result = Brealloc(result, 1); + result->x[0] = i; + result->wds = 1; + return result; +} + +/* Do: c = a * b. */ + +static Bigint * +mult +#ifdef KR_headers + (c, a, b) Bigint *a, *b, *c; +#else + (Bigint *c, Bigint *a, Bigint *b) +#endif +{ + int k, wa, wb, wc; + unsigned32 carry, y, z; + unsigned32 *x, *xa, *xae, *xb, *xbe, *xc, *xc0; + unsigned32 z2; + if (a->wds < b->wds) { + Bigint *tmp = a; + a = b; + b = tmp; + } + k = a->k; + wa = a->wds; + wb = b->wds; + wc = wa + wb; + if (wc > a->maxwds) + k++; + c = Brealloc(c, k); + for(x = c->x, xa = x + wc; x < xa; x++) + *x = 0; + xa = a->x; + xae = xa + wa; + xb = b->x; + xbe = xb + wb; + xc0 = c->x; + for(; xb < xbe; xb++, xc0++) { + if ((y = *xb & 0xffff)) { + x = xa; + xc = xc0; + carry = 0; + do { + z = (*x & 0xffff) * y + (*xc & 0xffff) + carry; + carry = z >> 16; + z2 = (*x++ >> 16) * y + (*xc >> 16) + carry; + carry = z2 >> 16; + Storeinc(xc, z2, z); + } + while(x < xae); + *xc = carry; + } + if ((y = *xb >> 16)) { + x = xa; + xc = xc0; + carry = 0; + z2 = *xc; + do { + z = (*x & 0xffff) * y + (*xc >> 16) + carry; + carry = z >> 16; + Storeinc(xc, z, z2); + z2 = (*x++ >> 16) * y + (*xc & 0xffff) + carry; + carry = z2 >> 16; + } + while(x < xae); + *xc = z2; + } + } + for(xc0 = c->x, xc = xc0 + wc; wc > 0 && !*--xc; --wc) ; + c->wds = wc; + return c; + } + +/* Returns b*(5**k). b is modified. */ +/* Re-written by Per Bothner to not need a static list. */ + +static Bigint * +pow5mult +#ifdef KR_headers + (b, k) Bigint *b; int k; +#else + (Bigint *b, int k) +#endif +{ + static int p05[6] = { 5, 25, 125, 625, 3125, 15625 }; + + for (; k > 6; k -= 6) + b = multadd(b, 15625, 0); /* b *= 5**6 */ + if (k == 0) + return b; + else + return multadd(b, p05[k-1], 0); +} + +/* Re-written by Per Bothner so shift can be in place. */ + +static Bigint * +lshift +#ifdef KR_headers + (b, k) Bigint *b; int k; +#else + (Bigint *b, int k) +#endif +{ + int i; + unsigned32 *x, *x1, *xe; + int old_wds = b->wds; + int n = k >> 5; + int k1 = b->k; + int n1 = n + old_wds + 1; + + if (k == 0) + return b; + + for(i = b->maxwds; n1 > i; i <<= 1) + k1++; + b = Brealloc(b, k1); + + xe = b->x; /* Source limit */ + x = xe + old_wds; /* Source pointer */ + x1 = x + n; /* Destination pointer */ + if (k &= 0x1f) { + int k1 = 32 - k; + unsigned32 z = *--x; + if ((*x1 = (z >> k1)) != 0) { + ++n1; + } + while (x > xe) { + unsigned32 w = *--x; + *--x1 = (z << k) | (w >> k1); + z = w; + } + *--x1 = z << k; + } + else + do { + *--x1 = *--x; + } while(x > xe); + while (x1 > xe) + *--x1 = 0; + b->wds = n1 - 1; + return b; +} + +static int +cmp +#ifdef KR_headers + (a, b) Bigint *a, *b; +#else + (Bigint *a, Bigint *b) +#endif +{ + unsigned32 *xa, *xa0, *xb, *xb0; + int i, j; + + i = a->wds; + j = b->wds; +#ifdef DEBUG + if (i > 1 && !a->x[i-1]) + Bug("cmp called with a->x[a->wds-1] == 0"); + if (j > 1 && !b->x[j-1]) + Bug("cmp called with b->x[b->wds-1] == 0"); +#endif + if (i -= j) + return i; + xa0 = a->x; + xa = xa0 + j; + xb0 = b->x; + xb = xb0 + j; + for(;;) { + if (*--xa != *--xb) + return *xa < *xb ? -1 : 1; + if (xa <= xa0) + break; + } + return 0; + } + +/* Do: c = a-b. */ + +static Bigint * +diff +#ifdef KR_headers + (c, a, b) Bigint *c, *a, *b; +#else + (Bigint *c, Bigint *a, Bigint *b) +#endif +{ + int i, wa, wb; + _G_int32_t borrow, y; /* We need signed shifts here. */ + unsigned32 *xa, *xae, *xb, *xbe, *xc; + _G_int32_t z; + + i = cmp(a,b); + if (!i) { + c = Brealloc(c, 0); + c->wds = 1; + c->x[0] = 0; + return c; + } + if (i < 0) { + Bigint *tmp = a; + a = b; + b = tmp; + i = 1; + } + else + i = 0; + c = Brealloc(c, a->k); + c->sign = i; + wa = a->wds; + xa = a->x; + xae = xa + wa; + wb = b->wds; + xb = b->x; + xbe = xb + wb; + xc = c->x; + borrow = 0; + do { + y = (*xa & 0xffff) - (*xb & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*xa++ >> 16) - (*xb++ >> 16) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(xc, z, y); + } + while(xb < xbe); + while(xa < xae) { + y = (*xa & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*xa++ >> 16) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(xc, z, y); + } + while(!*--xc) + wa--; + c->wds = wa; + return c; + } + +static double +ulp +#ifdef KR_headers + (x) double x; +#else + (double x) +#endif +{ + register _G_int32_t L; + double a; + + L = (word0(x) & Exp_mask) - (P-1)*Exp_msk1; +#ifndef Sudden_Underflow + if (L > 0) { +#endif +#ifdef IBM + L |= Exp_msk1 >> 4; +#endif + setwords(a, L, 0); +#ifndef Sudden_Underflow + } + else { + L = -L >> Exp_shift; + if (L < Exp_shift) + setwords(a, 0x80000 >> L, 0); + else { + L -= Exp_shift; + setwords(a, 0, L >= 31 ? 1 : 1 << (31 - L)); + } + } +#endif + return a; + } + +static double +b2d +#ifdef KR_headers + (a, e) Bigint *a; int *e; +#else + (Bigint *a, int *e) +#endif +{ + unsigned32 *xa, *xa0, w, y, z; + int k; + double d; + unsigned32 d0, d1; + + xa0 = a->x; + xa = xa0 + a->wds; + y = *--xa; +#ifdef DEBUG + if (!y) Bug("zero y in b2d"); +#endif + k = hi0bits(y); + *e = 32 - k; + if (k < Ebits) { + d0 = Exp_1 | y >> (Ebits - k); + w = xa > xa0 ? *--xa : 0; +#ifndef _DOUBLE_IS_32BITS + d1 = y << ((32-Ebits) + k) | w >> (Ebits - k); +#endif + goto ret_d; + } + z = xa > xa0 ? *--xa : 0; + if (k -= Ebits) { + d0 = Exp_1 | y << k | z >> (32 - k); + y = xa > xa0 ? *--xa : 0; +#ifndef _DOUBLE_IS_32BITS + d1 = z << k | y >> (32 - k); +#endif + } + else { + d0 = Exp_1 | y; +#ifndef _DOUBLE_IS_32BITS + d1 = z; +#endif + } + ret_d: +#ifdef VAX + setwords(d, d0 >> 16 | d0 << 16, d1 >> 16 | d1 << 16); +#else + setwords (d, d0, d1); +#endif + return d; + } + +static Bigint * +d2b +#ifdef KR_headers + (result, d, e, bits) Bigint *result; double d; _G_int32_t *e, *bits; +#else + (Bigint *result, double d, _G_int32_t *e, _G_int32_t *bits) +#endif +{ + int de, i, k; + unsigned32 *x, y, z; + unsigned32 d0, d1; +#ifdef VAX + d0 = word0(d) >> 16 | word0(d) << 16; + d1 = word1(d) >> 16 | word1(d) << 16; +#else + d0 = word0(d); + d1 = word1(d); +#endif + + result = Brealloc(result, 1); + x = result->x; + + z = d0 & Frac_mask; + d0 &= 0x7fffffff; /* clear sign bit, which we ignore */ + + de = (int)(d0 >> Exp_shift); /* The exponent part of d. */ + + /* Put back the suppressed high-order bit, if normalized. */ +#ifndef IBM +#ifndef Sudden_Underflow + if (de) +#endif + z |= Exp_msk11; +#endif + +#ifndef _DOUBLE_IS_32BITS + if ((y = d1)) { + if ((k = lo0bits(&y))) { + x[0] = y | z << (32 - k); + z >>= k; + } + else + x[0] = y; + i = result->wds = (x[1] = z) ? 2 : 1; + } + else { +#endif /* !_DOUBLE_IS_32BITS */ +#ifdef DEBUG + if (!z) + Bug("Zero passed to d2b"); +#endif + k = lo0bits(&z); + x[0] = z; + i = result->wds = 1; +#ifndef _DOUBLE_IS_32BITS + k += 32; + } +#endif +#ifndef Sudden_Underflow + if (de) { +#endif +#ifdef IBM + *e = (de - Bias - (P-1) << 2) + k; + *bits = 4*P + 8 - k - hi0bits(word0(d) & Frac_mask); +#else + *e = de - Bias - (P-1) + k; + *bits = P - k; +#endif +#ifndef Sudden_Underflow + } + else { + *e = de - Bias - (P-1) + 1 + k; + *bits = 32*i - hi0bits(x[i-1]); + } +#endif + return result; + } + +static double +ratio +#ifdef KR_headers + (a, b) Bigint *a, *b; +#else + (Bigint *a, Bigint *b) +#endif +{ + double da, db; + int k, ka, kb; + + da = b2d(a, &ka); + db = b2d(b, &kb); + k = ka - kb + 32*(a->wds - b->wds); +#ifdef IBM + if (k > 0) { + addword0(da, (k >> 2)*Exp_msk1); + if (k &= 3) + da *= 1 << k; + } + else { + k = -k; + addword0(db,(k >> 2)*Exp_msk1); + if (k &= 3) + db *= 1 << k; + } +#else + if (k > 0) + addword0(da, k*Exp_msk1); + else { + k = -k; + addword0(db, k*Exp_msk1); + } +#endif + return da / db; + } + +static CONST double +tens[] = { + 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, + 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, + 1e20, 1e21, 1e22 +#ifdef VAX + , 1e23, 1e24 +#endif + }; + +#ifdef IEEE_Arith +static CONST double bigtens[] = { 1e16, 1e32, 1e64, 1e128, 1e256 }; +static CONST double tinytens[] = { 1e-16, 1e-32, 1e-64, 1e-128, 1e-256 }; +#define n_bigtens 5 +#else +#ifdef IBM +static CONST double bigtens[] = { 1e16, 1e32, 1e64 }; +static CONST double tinytens[] = { 1e-16, 1e-32, 1e-64 }; +#define n_bigtens 3 +#else +/* Also used for the case when !_DOUBLE_IS_32BITS. */ +static CONST double bigtens[] = { 1e16, 1e32 }; +static CONST double tinytens[] = { 1e-16, 1e-32 }; +#define n_bigtens 2 +#endif +#endif + + double +_IO_strtod +#ifdef KR_headers + (s00, se) CONST char *s00; char **se; +#else + (CONST char *s00, char **se) +#endif +{ + _G_int32_t bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign, + e, e1, esign, i, j, k, nd, nd0, nf, nz, nz0, sign; + CONST char *s, *s0, *s1; + double aadj, aadj1, adj, rv, rv0; + _G_int32_t L; + unsigned32 y, z; + Bigint _bb, _b_avail, _bd, _bd0, _bs, _delta; + Bigint *bb = Binit(&_bb); + Bigint *bd = Binit(&_bd); + Bigint *bd0 = Binit(&_bd0); + Bigint *bs = Binit(&_bs); + Bigint *b_avail = Binit(&_b_avail); + Bigint *delta = Binit(&_delta); + + TEST_ENDIANNESS; + sign = nz0 = nz = 0; + rv = 0.; + (void)&rv; /* Force rv into the stack */ + for(s = s00;;s++) switch(*s) { + case '-': + sign = 1; + /* no break */ + case '+': + if (*++s) + goto break2; + /* no break */ + case 0: + /* "+" and "-" should be reported as an error? */ + sign = 0; + s = s00; + goto ret; + case '\t': + case '\n': + case '\v': + case '\f': + case '\r': + case ' ': + continue; + default: + goto break2; + } + break2: + if (*s == '0') { + nz0 = 1; + while(*++s == '0') ; + if (!*s) + goto ret; + } + s0 = s; + y = z = 0; + for(nd = nf = 0; (c = *s) >= '0' && c <= '9'; nd++, s++) + if (nd < 9) + y = 10*y + c - '0'; + else if (nd < 16) + z = 10*z + c - '0'; + nd0 = nd; + if (c == '.') { + c = *++s; + if (!nd) { + for(; c == '0'; c = *++s) + nz++; + if (c > '0' && c <= '9') { + s0 = s; + nf += nz; + nz = 0; + goto have_dig; + } + goto dig_done; + } + for(; c >= '0' && c <= '9'; c = *++s) { + have_dig: + nz++; + if (c -= '0') { + nf += nz; + for(i = 1; i < nz; i++) + if (nd++ < 9) + y *= 10; + else if (nd <= DBL_DIG + 1) + z *= 10; + if (nd++ < 9) + y = 10*y + c; + else if (nd <= DBL_DIG + 1) + z = 10*z + c; + nz = 0; + } + } + } + dig_done: + e = 0; + if (c == 'e' || c == 'E') { + if (!nd && !nz && !nz0) { + s = s00; + goto ret; + } + s00 = s; + esign = 0; + switch(c = *++s) { + case '-': + esign = 1; + case '+': + c = *++s; + } + if (c >= '0' && c <= '9') { + while(c == '0') + c = *++s; + if (c > '0' && c <= '9') { + e = c - '0'; + s1 = s; + while((c = *++s) >= '0' && c <= '9') + e = 10*e + c - '0'; + if (s - s1 > 8) + /* Avoid confusion from exponents + * so large that e might overflow. + */ + e = 9999999; + if (esign) + e = -e; + } + else + e = 0; + } + else + s = s00; + } + if (!nd) { + if (!nz && !nz0) + s = s00; + goto ret; + } + e1 = e -= nf; + + /* Now we have nd0 digits, starting at s0, followed by a + * decimal point, followed by nd-nd0 digits. The number we're + * after is the integer represented by those digits times + * 10**e */ + + if (!nd0) + nd0 = nd; + k = nd < DBL_DIG + 1 ? nd : DBL_DIG + 1; + rv = y; + if (k > 9) + rv = tens[k - 9] * rv + z; + if (nd <= DBL_DIG +#ifndef RND_PRODQUOT + && FLT_ROUNDS == 1 +#endif + ) { + if (!e) + goto ret; + if (e > 0) { + if (e <= Ten_pmax) { +#ifdef VAX + goto vax_ovfl_check; +#else + /* rv = */ rounded_product(rv, tens[e]); + goto ret; +#endif + } + i = DBL_DIG - nd; + if (e <= Ten_pmax + i) { + /* A fancier test would sometimes let us do + * this for larger i values. + */ + e -= i; + rv *= tens[i]; +#ifdef VAX + /* VAX exponent range is so narrow we must + * worry about overflow here... + */ + vax_ovfl_check: + addword0(rv, - P*Exp_msk1); + /* rv = */ rounded_product(rv, tens[e]); + if ((word0(rv) & Exp_mask) + > Exp_msk1*(DBL_MAX_EXP+Bias-1-P)) + goto ovfl; + addword0(rv, P*Exp_msk1); +#else + /* rv = */ rounded_product(rv, tens[e]); +#endif + goto ret; + } + } +#ifndef Inaccurate_Divide + else if (e >= -Ten_pmax) { + /* rv = */ rounded_quotient(rv, tens[-e]); + goto ret; + } +#endif + } + e1 += nd - k; + + /* Get starting approximation = rv * 10**e1 */ + + if (e1 > 0) { + if ((i = e1 & 15)) + rv *= tens[i]; + if (e1 &= ~15) { + if (e1 > DBL_MAX_10_EXP) { + ovfl: + errno = ERANGE; +#if defined(sun) && !defined(__svr4__) +/* SunOS defines HUGE_VAL as __infinity(), which is in libm. */ +#undef HUGE_VAL +#endif +#ifndef HUGE_VAL +#define HUGE_VAL 1.7976931348623157E+308 +#endif + rv = HUGE_VAL; + goto ret; + } + if (e1 >>= 4) { + for(j = 0; e1 > 1; j++, e1 >>= 1) + if (e1 & 1) + rv *= bigtens[j]; + /* The last multiplication could overflow. */ + addword0(rv, -P*Exp_msk1); + rv *= bigtens[j]; + if ((z = word0(rv) & Exp_mask) + > Exp_msk1*(DBL_MAX_EXP+Bias-P)) + goto ovfl; + if (z > Exp_msk1*(DBL_MAX_EXP+Bias-1-P)) { + /* set to largest number */ + /* (Can't trust DBL_MAX) */ + setwords(rv, Big0, Big1); + } + else + addword0(rv, P*Exp_msk1); + } + + } + } + else if (e1 < 0) { + e1 = -e1; + if ((i = e1 & 15)) + rv /= tens[i]; + if (e1 &= ~15) { + e1 >>= 4; + for(j = 0; e1 > 1; j++, e1 >>= 1) + if (e1 & 1) + rv *= tinytens[j]; + /* The last multiplication could underflow. */ + rv0 = rv; + rv *= tinytens[j]; + if (!rv) { + rv = 2.*rv0; + rv *= tinytens[j]; + if (!rv) { + undfl: + rv = 0.; + errno = ERANGE; + goto ret; + } + setwords(rv, Tiny0, Tiny1); + /* The refinement below will clean + * this approximation up. + */ + } + } + } + + /* Now the hard part -- adjusting rv to the correct value.*/ + + /* Put digits into bd: true value = bd * 10^e */ + + bd0 = s2b(bd0, s0, nd0, nd, y); + bd = Brealloc(bd, bd0->k); + + for(;;) { + Bcopy(bd, bd0); + bb = d2b(bb, rv, &bbe, &bbbits); /* rv = bb * 2^bbe */ + bs = i2b(bs, 1); + + if (e >= 0) { + bb2 = bb5 = 0; + bd2 = bd5 = e; + } + else { + bb2 = bb5 = -e; + bd2 = bd5 = 0; + } + if (bbe >= 0) + bb2 += bbe; + else + bd2 -= bbe; + bs2 = bb2; +#ifdef Sudden_Underflow +#ifdef IBM + j = 1 + 4*P - 3 - bbbits + ((bbe + bbbits - 1) & 3); +#else + j = P + 1 - bbbits; +#endif +#else + i = bbe + bbbits - 1; /* logb(rv) */ + if (i < Emin) /* denormal */ + j = bbe + (P-Emin); + else + j = P + 1 - bbbits; +#endif + bb2 += j; + bd2 += j; + i = bb2 < bd2 ? bb2 : bd2; + if (i > bs2) + i = bs2; + if (i > 0) { + bb2 -= i; + bd2 -= i; + bs2 -= i; + } + if (bb5 > 0) { + Bigint *b_tmp; + bs = pow5mult(bs, bb5); + b_tmp = mult(b_avail, bs, bb); + b_avail = bb; + bb = b_tmp; + } + if (bb2 > 0) + bb = lshift(bb, bb2); + if (bd5 > 0) + bd = pow5mult(bd, bd5); + if (bd2 > 0) + bd = lshift(bd, bd2); + if (bs2 > 0) + bs = lshift(bs, bs2); + delta = diff(delta, bb, bd); + dsign = delta->sign; + delta->sign = 0; + i = cmp(delta, bs); + if (i < 0) { + /* Error is less than half an ulp -- check for + * special case of mantissa a power of two. + */ + if (dsign || word1(rv) || word0(rv) & Bndry_mask) + break; + delta = lshift(delta,Log2P); + if (cmp(delta, bs) > 0) + goto drop_down; + break; + } + if (i == 0) { + /* exactly half-way between */ + if (dsign) { + if ((word0(rv) & Bndry_mask1) == Bndry_mask1 + && word1(rv) == 0xffffffff) { + /*boundary case -- increment exponent*/ + setword0(rv, (word0(rv) & Exp_mask) + + Exp_msk1); +#ifdef IBM + setword0 (rv, + word0(rv) | (Exp_msk1 >> 4)); +#endif + setword1(rv, 0); + break; + } + } + else if (!(word0(rv) & Bndry_mask) && !word1(rv)) { + drop_down: + /* boundary case -- decrement exponent */ +#ifdef Sudden_Underflow + L = word0(rv) & Exp_mask; +#ifdef IBM + if (L < Exp_msk1) +#else + if (L <= Exp_msk1) +#endif + goto undfl; + L -= Exp_msk1; +#else + L = (word0(rv) & Exp_mask) - Exp_msk1; +#endif + setwords(rv, L | Bndry_mask1, 0xffffffff); +#ifdef IBM + continue; +#else + break; +#endif + } +#ifndef ROUND_BIASED + if (!(word1(rv) & LSB)) + break; +#endif + if (dsign) + rv += ulp(rv); +#ifndef ROUND_BIASED + else { + rv -= ulp(rv); +#ifndef Sudden_Underflow + if (!rv) + goto undfl; +#endif + } +#endif + break; + } + if ((aadj = ratio(delta, bs)) <= 2.) { + if (dsign) + aadj = aadj1 = 1.; + else if (word1(rv) || word0(rv) & Bndry_mask) { +#ifndef Sudden_Underflow + if (word1(rv) == Tiny1 && !word0(rv)) + goto undfl; +#endif + aadj = 1.; + aadj1 = -1.; + } + else { + /* special case -- power of FLT_RADIX to be */ + /* rounded down... */ + + if (aadj < 2./FLT_RADIX) + aadj = 1./FLT_RADIX; + else + aadj *= 0.5; + aadj1 = -aadj; + } + } + else { + aadj *= 0.5; + aadj1 = dsign ? aadj : -aadj; +#ifdef Check_FLT_ROUNDS + switch(FLT_ROUNDS) { + case 2: /* towards +infinity */ + aadj1 -= 0.5; + break; + case 0: /* towards 0 */ + case 3: /* towards -infinity */ + aadj1 += 0.5; + } +#else + if (FLT_ROUNDS == 0) + aadj1 += 0.5; +#endif + } + y = word0(rv) & Exp_mask; + + /* Check for overflow */ + + if (y == Exp_msk1*(DBL_MAX_EXP+Bias-1)) { + rv0 = rv; + addword0(rv, - P*Exp_msk1); + adj = aadj1 * ulp(rv); + rv += adj; + if ((word0(rv) & Exp_mask) >= + Exp_msk1*(DBL_MAX_EXP+Bias-P)) { + if (word0(rv0) == Big0 && word1(rv0) == Big1) + goto ovfl; + setwords(rv, Big0, Big1); + continue; + } + else + addword0(rv, P*Exp_msk1); + } + else { +#ifdef Sudden_Underflow + if ((word0(rv) & Exp_mask) <= P*Exp_msk1) { + rv0 = rv; + addword0(rv, P*Exp_msk1); + adj = aadj1 * ulp(rv); + rv += adj; +#ifdef IBM + if ((word0(rv) & Exp_mask) < P*Exp_msk1) +#else + if ((word0(rv) & Exp_mask) <= P*Exp_msk1) +#endif + { + if (word0(rv0) == Tiny0 + && word1(rv0) == Tiny1) + goto undfl; + setwords(rv, Tiny0, Tiny1); + continue; + } + else + addword0(rv, -P*Exp_msk1); + } + else { + adj = aadj1 * ulp(rv); + rv += adj; + } +#else + /* Compute adj so that the IEEE rounding rules will + * correctly round rv + adj in some half-way cases. + * If rv * ulp(rv) is denormalized (i.e., + * y <= (P-1)*Exp_msk1), we must adjust aadj to avoid + * trouble from bits lost to denormalization; + * example: 1.2e-307 . + */ + if (y <= (P-1)*Exp_msk1 && aadj >= 1.) { + aadj1 = (double)(int)(aadj + 0.5); + if (!dsign) + aadj1 = -aadj1; + } + adj = aadj1 * ulp(rv); + rv += adj; +#endif + } + z = word0(rv) & Exp_mask; + if (y == z) { + /* Can we stop now? */ + L = (_G_int32_t)aadj; + aadj -= L; + /* The tolerances below are conservative. */ + if (dsign || word1(rv) || word0(rv) & Bndry_mask) { + if (aadj < .4999999 || aadj > .5000001) + break; + } + else if (aadj < .4999999/FLT_RADIX) + break; + } + } + Bfree(bb); + Bfree(bd); + Bfree(bs); + Bfree(bd0); + Bfree(delta); + Bfree(b_avail); + ret: + if (se) + *se = (char *)s; + return sign ? -rv : rv; + } + +static int +quorem +#ifdef KR_headers + (b, S) Bigint *b, *S; +#else + (Bigint *b, Bigint *S) +#endif +{ + int n; + _G_int32_t borrow, y; + unsigned32 carry, q, ys; + unsigned32 *bx, *bxe, *sx, *sxe; + _G_int32_t z; + unsigned32 si, zs; + + n = S->wds; +#ifdef DEBUG + /*debug*/ if (b->wds > n) + /*debug*/ Bug("oversize b in quorem"); +#endif + if (b->wds < n) + return 0; + sx = S->x; + sxe = sx + --n; + bx = b->x; + bxe = bx + n; + q = *bxe / (*sxe + 1); /* ensure q <= true quotient */ +#ifdef DEBUG + /*debug*/ if (q > 9) + /*debug*/ Bug("oversized quotient in quorem"); +#endif + if (q) { + borrow = 0; + carry = 0; + do { + si = *sx++; + ys = (si & 0xffff) * q + carry; + zs = (si >> 16) * q + (ys >> 16); + carry = zs >> 16; + y = (*bx & 0xffff) - (ys & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*bx >> 16) - (zs & 0xffff) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(bx, z, y); + } + while(sx <= sxe); + if (!*bxe) { + bx = b->x; + while(--bxe > bx && !*bxe) + --n; + b->wds = n; + } + } + if (cmp(b, S) >= 0) { + q++; + borrow = 0; + carry = 0; + bx = b->x; + sx = S->x; + do { + si = *sx++; + ys = (si & 0xffff) + carry; + zs = (si >> 16) + (ys >> 16); + carry = zs >> 16; + y = (*bx & 0xffff) - (ys & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*bx >> 16) - (zs & 0xffff) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(bx, z, y); + } + while(sx <= sxe); + bx = b->x; + bxe = bx + n; + if (!*bxe) { + while(--bxe > bx && !*bxe) + --n; + b->wds = n; + } + } + return q; + } + +/* dtoa for IEEE arithmetic (dmg): convert double to ASCII string. + * + * Inspired by "How to Print Floating-Point Numbers Accurately" by + * Guy L. Steele, Jr. and Jon L. White [Proc. ACM SIGPLAN '90, pp. 92-101]. + * + * Modifications: + * 1. Rather than iterating, we use a simple numeric overestimate + * to determine k = floor(log10(d)). We scale relevant + * quantities using O(log2(k)) rather than O(k) multiplications. + * 2. For some modes > 2 (corresponding to ecvt and fcvt), we don't + * try to generate digits strictly left to right. Instead, we + * compute with fewer bits and propagate the carry if necessary + * when rounding the final digit up. This is often faster. + * 3. Under the assumption that input will be rounded nearest, + * mode 0 renders 1e23 as 1e23 rather than 9.999999999999999e22. + * That is, we allow equality in stopping tests when the + * round-nearest rule will give the same floating-point value + * as would satisfaction of the stopping test with strict + * inequality. + * 4. We remove common factors of powers of 2 from relevant + * quantities. + * 5. When converting floating-point integers less than 1e16, + * we use floating-point arithmetic rather than resorting + * to multiple-precision integers. + * 6. When asked to produce fewer than 15 digits, we first try + * to get by with floating-point arithmetic; we resort to + * multiple-precision integer arithmetic only if we cannot + * guarantee that the floating-point calculation has given + * the correctly rounded result. For k requested digits and + * "uniformly" distributed input, the probability is + * something like 10^(k-15) that we must resort to the long + * calculation. + */ + + char * +_IO_dtoa +#ifdef KR_headers + (d, mode, ndigits, decpt, sign, rve) + double d; int mode, ndigits, *decpt, *sign; char **rve; +#else + (double d, int mode, int ndigits, int *decpt, int *sign, char **rve) +#endif +{ + /* Arguments ndigits, decpt, sign are similar to those + of ecvt and fcvt; trailing zeros are suppressed from + the returned string. If not null, *rve is set to point + to the end of the return value. If d is +-Infinity or NaN, + then *decpt is set to 9999. + + mode: + 0 ==> shortest string that yields d when read in + and rounded to nearest. + 1 ==> like 0, but with Steele & White stopping rule; + e.g. with IEEE P754 arithmetic , mode 0 gives + 1e23 whereas mode 1 gives 9.999999999999999e22. + 2 ==> max(1,ndigits) significant digits. This gives a + return value similar to that of ecvt, except + that trailing zeros are suppressed. + 3 ==> through ndigits past the decimal point. This + gives a return value similar to that from fcvt, + except that trailing zeros are suppressed, and + ndigits can be negative. + 4-9 should give the same return values as 2-3, i.e., + 4 <= mode <= 9 ==> same return as mode + 2 + (mode & 1). These modes are mainly for + debugging; often they run slower but sometimes + faster than modes 2-3. + 4,5,8,9 ==> left-to-right digit generation. + 6-9 ==> don't try fast floating-point estimate + (if applicable). + + Values of mode other than 0-9 are treated as mode 0. + + Sufficient space is allocated to the return value + to hold the suppressed trailing zeros. + */ + + _G_int32_t bbits, b2, b5, be, dig, i, ieps, ilim, ilim0, ilim1, + j, j1, k, k0, k_check, leftright, m2, m5, s2, s5, + spec_case, try_quick; + _G_int32_t L; +#ifndef Sudden_Underflow + int denorm; +#endif + Bigint _b_avail, _b, _mhi, _mlo, _S; + Bigint *b_avail = Binit(&_b_avail); + Bigint *b = Binit(&_b); + Bigint *S = Binit(&_S); + /* mhi and mlo are only set and used if leftright. */ + Bigint *mhi = NULL, *mlo = NULL; + double d2, ds, eps; + char *s, *s0; + static Bigint *result = NULL; + static int result_k; + + TEST_ENDIANNESS; + if (result) { + /* result is contains a string, so its fields (interpreted + as a Bigint have been trashed. Restore them. + This is a really ugly interface - result should + not be static, since that is not thread-safe. FIXME. */ + result->k = result_k; + result->maxwds = 1 << result_k; + result->on_stack = 0; + } + + if (word0(d) & Sign_bit) { + /* set sign for everything, including 0's and NaNs */ + *sign = 1; + setword0(d, word0(d) & ~Sign_bit); /* clear sign bit */ + } + else + *sign = 0; + +#if defined(IEEE_Arith) + defined(VAX) +#ifdef IEEE_Arith + if ((word0(d) & Exp_mask) == Exp_mask) +#else + if (word0(d) == 0x8000) +#endif + { + /* Infinity or NaN */ + *decpt = 9999; +#ifdef IEEE_Arith + if (!word1(d) && !(word0(d) & 0xfffff)) + { + s = "Infinity"; + if (rve) + *rve = s + 8; + } + else +#endif + { + s = "NaN"; + if (rve) + *rve = s +3; + } + return s; + } +#endif +#ifdef IBM + d += 0; /* normalize */ +#endif + if (!d) { + *decpt = 1; + s = "0"; + if (rve) + *rve = s + 1; + return s; + } + + b = d2b(b, d, &be, &bbits); + i = (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1)); +#ifndef Sudden_Underflow + if (i) { +#endif + d2 = d; + setword0(d2, (word0(d2) & Frac_mask1) | Exp_11); +#ifdef IBM + if (j = 11 - hi0bits(word0(d2) & Frac_mask)) + d2 /= 1 << j; +#endif + + i -= Bias; +#ifdef IBM + i <<= 2; + i += j; +#endif +#ifndef Sudden_Underflow + denorm = 0; + } + else { + /* d is denormalized */ + unsigned32 x; + + i = bbits + be + (Bias + (P-1) - 1); + x = i > 32 ? word0(d) << (64 - i) | word1(d) >> (i - 32) + : word1(d) << (32 - i); + d2 = x; + addword0(d2, - 31*Exp_msk1); /* adjust exponent */ + i -= (Bias + (P-1) - 1) + 1; + denorm = 1; + } +#endif + + /* Now i is the unbiased base-2 exponent. */ + + /* log(x) ~=~ log(1.5) + (x-1.5)/1.5 + * log10(x) = log(x) / log(10) + * ~=~ log(1.5)/log(10) + (x-1.5)/(1.5*log(10)) + * log10(d) = i*log(2)/log(10) + log10(d2) + * + * This suggests computing an approximation k to log10(d) by + * + * k = i*0.301029995663981 + * + ( (d2-1.5)*0.289529654602168 + 0.176091259055681 ); + * + * We want k to be too large rather than too small. + * The error in the first-order Taylor series approximation + * is in our favor, so we just round up the constant enough + * to compensate for any error in the multiplication of + * (i) by 0.301029995663981; since |i| <= 1077, + * and 1077 * 0.30103 * 2^-52 ~=~ 7.2e-14, + * adding 1e-13 to the constant term more than suffices. + * Hence we adjust the constant term to 0.1760912590558. + * (We could get a more accurate k by invoking log10, + * but this is probably not worthwhile.) + */ + + ds = (d2-1.5)*0.289529654602168 + 0.1760912590558 + i*0.301029995663981; + k = (int)ds; + if (ds < 0. && ds != k) + k--; /* want k = floor(ds) */ + k_check = 1; + if (k >= 0 && k <= Ten_pmax) { + if (d < tens[k]) + k--; + k_check = 0; + } + j = bbits - i - 1; + if (j >= 0) { + b2 = 0; + s2 = j; + } + else { + b2 = -j; + s2 = 0; + } + if (k >= 0) { + b5 = 0; + s5 = k; + s2 += k; + } + else { + b2 -= k; + b5 = -k; + s5 = 0; + } + if (mode < 0 || mode > 9) + mode = 0; + try_quick = 1; + if (mode > 5) { + mode -= 4; + try_quick = 0; + } + leftright = 1; + switch(mode) { + case 0: + case 1: + ilim = ilim1 = -1; + i = 18; + ndigits = 0; + break; + case 2: + leftright = 0; + /* no break */ + case 4: + if (ndigits <= 0) + ndigits = 1; + ilim = ilim1 = i = ndigits; + break; + case 3: + leftright = 0; + /* no break */ + case 5: + i = ndigits + k + 1; + ilim = i; + ilim1 = i - 1; + if (i <= 0) + i = 1; + } + /* i is now an upper bound of the number of digits to generate. */ + j = sizeof(unsigned32) * (1<<BIGINT_MINIMUM_K); + /* The test is <= so as to allow room for the final '\0'. */ + for(result_k = BIGINT_MINIMUM_K; BIGINT_HEADER_SIZE + j <= i; + j <<= 1) result_k++; + if (!result || result_k > result->k) + { + Bfree (result); + result = Balloc(result_k); + } + s = s0 = (char *)result; + + if (ilim >= 0 && ilim <= Quick_max && try_quick) { + + /* Try to get by with floating-point arithmetic. */ + + i = 0; + d2 = d; + k0 = k; + ilim0 = ilim; + ieps = 2; /* conservative */ + if (k > 0) { + ds = tens[k&0xf]; + j = k >> 4; + if (j & Bletch) { + /* prevent overflows */ + j &= Bletch - 1; + d /= bigtens[n_bigtens-1]; + ieps++; + } + for(; j; j >>= 1, i++) + if (j & 1) { + ieps++; + ds *= bigtens[i]; + } + d /= ds; + } + else if ((j1 = -k)) { + d *= tens[j1 & 0xf]; + for(j = j1 >> 4; j; j >>= 1, i++) + if (j & 1) { + ieps++; + d *= bigtens[i]; + } + } + if (k_check && d < 1. && ilim > 0) { + if (ilim1 <= 0) + goto fast_failed; + ilim = ilim1; + k--; + d *= 10.; + ieps++; + } + eps = ieps*d + 7.; + addword0(eps, - (P-1)*Exp_msk1); + if (ilim == 0) { + d -= 5.; + if (d > eps) + goto one_digit; + if (d < -eps) + goto no_digits; + goto fast_failed; + } +#ifndef No_leftright + if (leftright) { + /* Use Steele & White method of only + * generating digits needed. + */ + eps = 0.5/tens[ilim-1] - eps; + for(i = 0;;) { + L = (_G_int32_t)d; + d -= L; + *s++ = '0' + (int)L; + if (d < eps) + goto ret1; + if (1. - d < eps) + goto bump_up; + if (++i >= ilim) + break; + eps *= 10.; + d *= 10.; + } + } + else { +#endif + /* Generate ilim digits, then fix them up. */ + eps *= tens[ilim-1]; + for(i = 1;; i++, d *= 10.) { + L = (_G_int32_t)d; + d -= L; + *s++ = '0' + (int)L; + if (i == ilim) { + if (d > 0.5 + eps) + goto bump_up; + else if (d < 0.5 - eps) { + while(*--s == '0'); + s++; + goto ret1; + } + break; + } + } +#ifndef No_leftright + } +#endif + fast_failed: + s = s0; + d = d2; + k = k0; + ilim = ilim0; + } + + /* Do we have a "small" integer? */ + + if (be >= 0 && k <= Int_max) { + /* Yes. */ + ds = tens[k]; + if (ndigits < 0 && ilim <= 0) { + if (ilim < 0 || d <= 5*ds) + goto no_digits; + goto one_digit; + } + for(i = 1;; i++) { + L = (_G_int32_t)(d / ds); + d -= L*ds; +#ifdef Check_FLT_ROUNDS + /* If FLT_ROUNDS == 2, L will usually be high by 1 */ + if (d < 0) { + L--; + d += ds; + } +#endif + *s++ = '0' + (int)L; + if (i == ilim) { + d += d; + if (d > ds || (d == ds && L & 1)) { + bump_up: + while(*--s == '9') + if (s == s0) { + k++; + *s = '0'; + break; + } + ++*s++; + } + break; + } + if (!(d *= 10.)) + break; + } + goto ret1; + } + + m2 = b2; + m5 = b5; + if (leftright) { + if (mode < 2) { + i = +#ifndef Sudden_Underflow + denorm ? be + (Bias + (P-1) - 1 + 1) : +#endif +#ifdef IBM + 1 + 4*P - 3 - bbits + ((bbits + be - 1) & 3); +#else + 1 + P - bbits; +#endif + } + else { + j = ilim - 1; + if (m5 >= j) + m5 -= j; + else { + s5 += j -= m5; + b5 += j; + m5 = 0; + } + if ((i = ilim) < 0) { + m2 -= i; + i = 0; + } + } + b2 += i; + s2 += i; + mhi = i2b(Binit(&_mhi), 1); + } + if (m2 > 0 && s2 > 0) { + i = m2 < s2 ? m2 : s2; + b2 -= i; + m2 -= i; + s2 -= i; + } + if (b5 > 0) { + if (leftright) { + if (m5 > 0) { + Bigint *b_tmp; + mhi = pow5mult(mhi, m5); + b_tmp = mult(b_avail, mhi, b); + b_avail = b; + b = b_tmp; + } + if ((j = b5 - m5)) + b = pow5mult(b, j); + } + else + b = pow5mult(b, b5); + } + S = i2b(S, 1); + if (s5 > 0) + S = pow5mult(S, s5); + + /* Check for special case that d is a normalized power of 2. */ + + if (mode < 2) { + if (!word1(d) && !(word0(d) & Bndry_mask) +#ifndef Sudden_Underflow + && word0(d) & Exp_mask +#endif + ) { + /* The special case */ + b2 += Log2P; + s2 += Log2P; + spec_case = 1; + } + else + spec_case = 0; + } + + /* Arrange for convenient computation of quotients: + * shift left if necessary so divisor has 4 leading 0 bits. + * + * Perhaps we should just compute leading 28 bits of S once + * and for all and pass them and a shift to quorem, so it + * can do shifts and ors to compute the numerator for q. + */ + if ((i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0x1f)) + i = 32 - i; + if (i > 4) { + i -= 4; + b2 += i; + m2 += i; + s2 += i; + } + else if (i < 4) { + i += 28; + b2 += i; + m2 += i; + s2 += i; + } + if (b2 > 0) + b = lshift(b, b2); + if (s2 > 0) + S = lshift(S, s2); + if (k_check) { + if (cmp(b,S) < 0) { + k--; + b = multadd(b, 10, 0); /* we botched the k estimate */ + if (leftright) + mhi = multadd(mhi, 10, 0); + ilim = ilim1; + } + } + if (ilim <= 0 && mode > 2) { + if (ilim < 0 || cmp(b,S = multadd(S,5,0)) <= 0) { + /* no digits, fcvt style */ + no_digits: + k = -1 - ndigits; + goto ret; + } + one_digit: + *s++ = '1'; + k++; + goto ret; + } + if (leftright) { + if (m2 > 0) + mhi = lshift(mhi, m2); + + /* Compute mlo -- check for special case + * that d is a normalized power of 2. + */ + + if (spec_case) { + mlo = Brealloc(Binit(&_mlo), mhi->k); + Bcopy(mlo, mhi); + mhi = lshift(mhi, Log2P); + } + else + mlo = mhi; + + for(i = 1;;i++) { + dig = quorem(b,S) + '0'; + /* Do we yet have the shortest decimal string + * that will round to d? + */ + j = cmp(b, mlo); + b_avail = diff(b_avail, S, mhi); /* b_avail = S - mi */ + j1 = b_avail->sign ? 1 : cmp(b, b_avail); +#ifndef ROUND_BIASED + if (j1 == 0 && !mode && !(word1(d) & 1)) { + if (dig == '9') + goto round_9_up; + if (j > 0) + dig++; + *s++ = dig; + goto ret; + } +#endif + if (j < 0 || (j == 0 && !mode +#ifndef ROUND_BIASED + && !(word1(d) & 1) +#endif + )) { + if (j1 > 0) { + b = lshift(b, 1); + j1 = cmp(b, S); + if ((j1 > 0 || (j1 == 0 && dig & 1)) + && dig++ == '9') + goto round_9_up; + } + *s++ = dig; + goto ret; + } + if (j1 > 0) { + if (dig == '9') { /* possible if i == 1 */ + round_9_up: + *s++ = '9'; + goto roundoff; + } + *s++ = dig + 1; + goto ret; + } + *s++ = dig; + if (i == ilim) + break; + b = multadd(b, 10, 0); + if (mlo == mhi) + mlo = mhi = multadd(mhi, 10, 0); + else { + mlo = multadd(mlo, 10, 0); + mhi = multadd(mhi, 10, 0); + } + } + } + else + for(i = 1;; i++) { + *s++ = dig = quorem(b,S) + '0'; + if (i >= ilim) + break; + b = multadd(b, 10, 0); + } + + /* Round off last digit */ + + b = lshift(b, 1); + j = cmp(b, S); + if (j > 0 || (j == 0 && dig & 1)) { + roundoff: + while(*--s == '9') + if (s == s0) { + k++; + *s++ = '1'; + goto ret; + } + ++*s++; + } + else { + while(*--s == '0'); + s++; + } + ret: + Bfree(b_avail); + Bfree(S); + if (mhi) { + if (mlo && mlo != mhi) + Bfree(mlo); + Bfree(mhi); + } + ret1: + Bfree(b); + *s = 0; + *decpt = k + 1; + if (rve) + *rve = s; + return s0; + } +#endif /* _IO_USE_DTOA */ diff --git a/contrib/libio/floatio.h b/contrib/libio/floatio.h new file mode 100644 index 0000000..827767b --- /dev/null +++ b/contrib/libio/floatio.h @@ -0,0 +1,51 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * %W% (Berkeley) %G% + */ + +/* + * Floating point scanf/printf (input/output) definitions. + */ + +/* 11-bit exponent (VAX G floating point) is 308 decimal digits */ +#define MAXEXP 308 +/* 128 bit fraction takes up 39 decimal digits; max reasonable precision */ +#define MAXFRACT 39 diff --git a/contrib/libio/fstream.cc b/contrib/libio/fstream.cc new file mode 100644 index 0000000..8930e0b --- /dev/null +++ b/contrib/libio/fstream.cc @@ -0,0 +1,110 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif +#define _STREAM_COMPAT +extern "C" { +#include "libioP.h" +} +#include <fstream.h> + +inline void +fstreambase::__fb_init() +{ +#ifdef _IO_NEW_STREAMS +#if !_IO_UNIFIED_JUMPTABLES + /* Uses the _IO_file_jump jumptable, for eficiency. */ + __my_fb._jumps = &_IO_file_jumps; + __my_fb._vtable() = builtinbuf_vtable; +#endif + init (&__my_fb); +#else + init(filebuf::__new()); + _flags &= ~ios::dont_close; +#endif +} + +fstreambase::fstreambase() +{ + __fb_init (); +} + +fstreambase::fstreambase(int fd) +{ + __fb_init (); + _IO_file_attach(rdbuf(), fd); +} + +fstreambase::fstreambase(const char *name, int mode, int prot) +{ + __fb_init (); + if (!rdbuf()->open(name, mode, prot)) + set(ios::badbit); +} + +fstreambase::fstreambase(int fd, char *p, int l) +{ +#ifdef _IO_NEW_STREAMS + __fb_init (); +#else + init(filebuf::__new()); +#endif + _IO_file_attach(rdbuf(), fd); + _IO_file_setbuf(rdbuf(), p, l); +} + +void fstreambase::open(const char *name, int mode, int prot) +{ + clear(); + if (!rdbuf()->open(name, mode, prot)) + set(ios::badbit); +} + +void fstreambase::close() +{ + if (!rdbuf()->close()) + set(ios::failbit); +} + +void fstreambase::attach(int fd) +{ + if (!rdbuf()->attach(fd)) + set(ios::failbit); +} + +#if 0 +static int mode_to_sys(enum open_mode mode) +{ + return O_WRONLY; +} + +static char* fopen_cmd_arg(io_mode i) +{ + return "w"; +} +#endif diff --git a/contrib/libio/fstream.h b/contrib/libio/fstream.h new file mode 100644 index 0000000..ea98f5c --- /dev/null +++ b/contrib/libio/fstream.h @@ -0,0 +1,92 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _FSTREAM_H +#define _FSTREAM_H +#ifdef __GNUG__ +#pragma interface +#endif +#include <iostream.h> + +extern "C++" { +class fstreambase : virtual public ios { +#ifdef _IO_NEW_STREAMS + mutable filebuf __my_fb; // mutable so rdbuf() can be const +#endif + void __fb_init (); + public: + fstreambase(); + fstreambase(int fd); + fstreambase(int fd, char *p, int l); /* Deprecated */ + fstreambase(const char *name, int mode, int prot=0664); + void close(); +#ifdef _IO_NEW_STREAMS + filebuf* rdbuf() const { return &__my_fb; } +#else + filebuf* rdbuf() const { return (filebuf*) ios::rdbuf(); } +#endif + void open(const char *name, int mode, int prot=0664); + int is_open() const { return rdbuf()->is_open(); } + void setbuf(char *ptr, int len) { rdbuf()->setbuf(ptr, len); } + void attach(int fd); +#ifdef _STREAM_COMPAT + int filedesc() { return rdbuf()->fd(); } + fstreambase& raw() { rdbuf()->setbuf(NULL, 0); return *this; } +#endif +}; + +class ifstream : public fstreambase, public istream { + public: + ifstream() : fstreambase() { } + ifstream(int fd) : fstreambase(fd) { } + ifstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/ + ifstream(const char *name, int mode=ios::in, int prot=0664) + : fstreambase(name, mode, prot) { } + void open(const char *name, int mode=ios::in, int prot=0664) + { fstreambase::open(name, mode, prot); } +}; + +class ofstream : public fstreambase, public ostream { + public: + ofstream() : fstreambase() { } + ofstream(int fd) : fstreambase(fd) { } + ofstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/ + ofstream(const char *name, int mode=ios::out, int prot=0664) + : fstreambase(name, mode, prot) { } + void open(const char *name, int mode=ios::out, int prot=0664) + { fstreambase::open(name, mode, prot); } +}; + +class fstream : public fstreambase, public iostream { + public: + fstream() : fstreambase() { } + fstream(int fd) : fstreambase(fd) { } + fstream(const char *name, int mode, int prot=0664) + : fstreambase(name, mode, prot) { } + fstream(int fd, char *p, int l) : fstreambase(fd, p, l) { } /*Deprecated*/ + void open(const char *name, int mode, int prot=0664) + { fstreambase::open(name, mode, prot); } +}; +} // extern "C++" +#endif /*!_FSTREAM_H*/ diff --git a/contrib/libio/gen-params b/contrib/libio/gen-params new file mode 100755 index 0000000..37ee742 --- /dev/null +++ b/contrib/libio/gen-params @@ -0,0 +1,734 @@ +#!/bin/sh +# Copyright (C) 1992, 1993, 1994 Free Software Foundation +# +# This file is part of the GNU IO Library. This library is free +# software; you can redistribute it and/or modify it under the +# terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this library; see the file COPYING. If not, write to the Free +# Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Written by Per Bothner (bothner@cygnus.com) + +# This is a shell-script that figures out various things about a +# system, and writes (to stdout) a C-style include files with +# suitable definitions, including all the standard Posix types. +# It works by compiling various test programs -- some are run through +# the C pre-processor, and the output examined. +# The test programs are only compiled, not executed, so the script +# should even if you're cross-compiling. +# It uses $CC (which defaults to cc) to compile C programs (extension .c), +# and $CXX (which defaults to gcc) to compile C++ programs (extension .C). +# The shell-script is written for libg++.a. + +# Usage: gen-params [NAME1=name1 ...] +# - where an assignment (such as size_t="unsigned int" means to +# use that value, instead of trying to figure it out. + +# Uncomment following line for debugging +# set -x + +SED=sed + +# Evaluate the arguments (which should be assignments): +for arg in "$@"; do + # Quote arg (i.e. FOO=bar => FOO='bar'), then eval it. + eval `echo "$arg" | ${SED} -e "s|^\(.*\)=\(.*\)|\1='\2'|"` +done + +macro_prefix=${macro_prefix-"_G_"} +rootdir=`pwd`/.. +gccdir=${gccdir-${rootdir}/gcc} +binutilsdir=${binutilsdir-${rootdir}/binutils} +CC=${CC-`if [ -f ${gccdir}/xgcc ] ; \ + then echo ${gccdir}/xgcc -B${gccdir}/ ; \ + else echo cc ; fi`} +CXX=${CXX-`if [ -f ${gccdir}/xgcc ] ; \ + then echo ${gccdir}/xgcc -B${gccdir}/ ; \ + else echo gcc ; fi`} +CPP=${CPP-`echo ${CC} -E`} +CONFIG_NM=${CONFIG_NM-`if [ -f ${binutilsdir}/nm.new ] ; \ + then echo ${binutilsdir}/nm.new ; \ + else echo nm ; fi`} + +cat <<!EOF! +/* AUTOMATICALLY GENERATED; DO NOT EDIT! */ +#ifndef ${macro_prefix}config_h +#define ${macro_prefix}config_h +!EOF! + +if [ x"${LIB_VERSION}" != "x" ] ; then + echo "#define ${macro_prefix}LIB_VERSION" '"'${LIB_VERSION}'"' +fi + +# This program is used to test if the compiler prepends '_' before identifiers. +# It is also used to check the g++ uses '$' or '.' various places. + +if test -z "${NAMES_HAVE_UNDERSCORE}" -o -z "${DOLLAR_IN_LABEL}" \ + -o -z "${VTABLE_LABEL_PREFIX}"; then + cat >dummy.h <<!EOF! +#ifdef __GNUG__ +#pragma interface +#endif + struct filebuf { + virtual int foo(); + }; +!EOF! + cat >dummy.C <<!EOF! +#ifdef __GNUG__ +#pragma implementation +#endif +#include "dummy.h" + int filebuf::foo() { return 0; } + extern "C" int FUNC(int); + int FUNC(int i) { return i+10; } +!EOF! + + if ${CXX} -O -c dummy.C ; then + if test -z "${NAMES_HAVE_UNDERSCORE}" ; then + if test "`${CONFIG_NM} dummy.o | grep _FUNC`" != ""; then + NAMES_HAVE_UNDERSCORE=1 + elif test "`${CONFIG_NM} dummy.o | grep FUNC`" != ""; then + NAMES_HAVE_UNDERSCORE=0 + else + echo "${CONFIG_NM} failed to find FUNC in dummy.o!" 1>&2; exit -1; + fi + fi + echo "#define ${macro_prefix}NAMES_HAVE_UNDERSCORE ${NAMES_HAVE_UNDERSCORE}" + + if test -z "${VTABLE_LABEL_PREFIX}" ; then + # Determine how virtual function tables are named. This is fragile, + # because different nm's produce output in different formats. + ${CONFIG_NM} dummy.o >TMP + if [ -n "`${SED} -n -e 's/ virtual table/nope/p' <TMP`" ] ; then + ${CONFIG_NM} --no-cplus dummy.o >TMP 2>/dev/null || + ${CONFIG_NM} --no-demangle dummy.o >TMP 2>/dev/null || + ${CONFIG_NM} dummy.o >TMP 2>/dev/null + fi + # First we look for a pattern that matches historical output from g++. + # We surround the actual label name by <> to separate it from + # other nm junk. + ${SED} -n -e 's/_*vt[$_.]7*filebuf/<&>/p' <TMP >dummy.out + # For paranoia's sake (e.g. if we're using some other C++ compiler) + # we try a more general pattern, and append the result. + grep -v foo <TMP \ + | ${SED} -n -e 's/[a-zA-Z0-9_.$]*filebuf[a-zA-Z0-9_.$]*/<&>/p' \ + >>dummy.out + # Now we get rid of the <>, and any other junk on the nm output line. + # (We get rid of <filebuf> in case nm included debugging output for + # class filebuf itself.) Finally, we select the first line of + # the result, and hope that's what we wanted! + vtab_name=`${SED} -n -e '/<filebuf>/d' -e 's/^.*<\(.*\)>.*$/\1/p' \ + <dummy.out | ${SED} -n -e '1p'` + case "${vtab_name}" in + *7filebuf) echo "#define ${macro_prefix}VTABLE_LABEL_HAS_LENGTH 1" ;; + *) echo "#define ${macro_prefix}VTABLE_LABEL_HAS_LENGTH 0" ;; + esac + VTABLE_LABEL_PREFIX=`echo $vtab_name | ${SED} -e 's/7*filebuf//'` + fi + echo "#define ${macro_prefix}VTABLE_LABEL_PREFIX" '"'"${VTABLE_LABEL_PREFIX}"'"' + if [ "${VTABLE_LABEL_PREFIX}" = "__vt_" -o \ + "${VTABLE_LABEL_PREFIX}" = "___vt_" ] ; then + echo "#define ${macro_prefix}USING_THUNKS" + fi + + # VTABLE_LABEL_PREFIX_ID is the same as VTABLE_LABEL_PREFIX, + # but the former is a C identifier, while the latter is a quoted + # st + if [ -z ""`echo ${VTABLE_LABEL_PREFIX} | ${SED} -e 's/[a-zA-Z0-9_]//g'` ] ; then + if [ "${NAMES_HAVE_UNDERSCORE}" = "1" ] ; then + VTABLE_LABEL_PREFIX=`echo ${VTABLE_LABEL_PREFIX} | ${SED} -e 's/^_//'` + fi + echo "#define ${macro_prefix}VTABLE_LABEL_PREFIX_ID ${VTABLE_LABEL_PREFIX}" + fi + +# if test -n "${DOLLAR_IN_LABEL}" ; then +# echo "#define ${macro_prefix}DOLLAR_IN_LABEL ${DOLLAR_IN_LABEL}" +# elif test "`${CONFIG_NM} dummy.o | grep 'vt[$$]7filebuf'`" != ""; then +# echo "#define ${macro_prefix}DOLLAR_IN_LABEL 1" +# elif test "`${CONFIG_NM} dummy.o | grep 'vt[.]7filebuf'`" != ""; then +# echo "#define ${macro_prefix}DOLLAR_IN_LABEL 0" +# elif test "`${CONFIG_NM} dummy.o | grep 'vtbl__7filebuf'`" != ""; then +# echo "#define ${macro_prefix}DOLLAR_IN_LABEL 0" +# else +# echo "gen-params: ${CONFIG_NM} failed to find vt[.\$]filebuf in dummy.o!" 1>&2; exit 1 +# fi + else + # The compile failed for some reason (no C++?) + echo "gen-params: could not compile dummy.C with ${CXX}" 1>&2; exit 1; + fi +fi + +# A little test program to check if struct stat has st_blksize. +cat >dummy.c <<!EOF! +#include <sys/types.h> +#include <sys/stat.h> +int BLKSIZE(struct stat *st) +{ + return st->st_blksize; +} +!EOF! + +if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_ST_BLKSIZE 1" +else + echo "#define ${macro_prefix}HAVE_ST_BLKSIZE 0" +fi + +# A little test program to check if the name 'clog' is defined in libm, +# as it is under DEC UNIX. +cat >dummy.c <<!EOF! +int clog; +main () {} +!EOF! + +if ${CC} dummy.c -lm 2>&1 >/dev/null | grep clog >/dev/null; then + echo "#define ${macro_prefix}CLOG_CONFLICT 1" +fi + +echo "" + +# Next, generate definitions for the standard types (such as mode_t) +# compatible with those in the standard C header files. +# It works by a dummy program through the C pre-processor, and then +# using sed to search for typedefs in the output. + +for hdr in wchar wctype; do + eval $hdr=0 + cat >dummy.c <<EOF +#include <${hdr}.h> +EOF + if ${CPP} dummy.c >/dev/null 2>&1 ; then eval $hdr=1; fi +done + +cat >dummy.c <<!EOF! +#include <sys/types.h> +#include <stddef.h> +#ifdef __STDC__ +#include <stdarg.h> +#else /* !__STDC__ */ +#include <varargs.h> +#endif /* __STDC__ */ +#include <stdio.h> +#include <time.h> +#include <signal.h> +#ifdef __STDC__ +#include <limits.h> +#endif +#if WCHAR == 1 +#include <wchar.h> +#endif +#if WCTYPE == 1 +#include <wctype.h> +#endif +#ifdef size_t +typedef size_t Xsize_t; +#elif defined(__SIZE_TYPE__) +typedef __SIZE_TYPE__ Xsize_t; +#endif +#ifdef ptrdiff_t +typedef ptrdiff_t Xptrdiff_t; +#elif defined(__PTRDIFF_TYPE__) +typedef __PTRDIFF_TYPE__ Xptrdiff_t; +#endif +#ifdef wchar_t +typedef wchar_t Xwchar_t; +#elif defined(__WCHAR_TYPE__) +typedef __WCHAR_TYPE__ Xwchar_t; +#endif +#ifdef va_list +typedef va_list XXXva_list; +#endif +#ifdef BUFSIZ +long XBUFSIZ=BUFSIZ; +#endif +#ifdef FOPEN_MAX +long XFOPEN_MAX=FOPEN_MAX; +#endif +#ifdef FILENAME_MAX +long XFILENAME_MAX=FILENAME_MAX; +#endif +#ifdef SHRT_MAX +long XSHRT_MAX=SHRT_MAX; +#endif +#ifdef INT_MAX +long XINT_MAX=INT_MAX; +#endif +#ifdef LONG_MAX +long XLONG_MAX=LONG_MAX; +#endif +#ifdef LONG_LONG_MAX +long XLONG_LONG_MAX=LONG_LONG_MAX; +#endif +!EOF! + +if ${CPP} dummy.c -DWCHAR=$wchar -DWCTYPE=$wctype >TMP ; then true +else + echo "gen-params: could not invoke ${CPP} on dummy.c" 1>&2 ; exit 1 +fi +tr ' ' ' ' <TMP >dummy.out + +for TYPE in dev_t clock_t fpos_t gid_t ino_t mode_t nlink_t off_t pid_t ptrdiff_t sigset_t size_t ssize_t time_t uid_t va_list wchar_t wint_t int16_t uint16_t int32_t uint_32_t u_int16_t u_int32_t; do + eval IMPORTED=\$$TYPE + if [ -n "${IMPORTED}" ] ; then + eval "$TYPE='$IMPORTED'" + else + t=$TYPE + VALUE='' + + # Follow `typedef VALUE TYPE' chains, but don't loop indefinitely. + for iteration in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do + # Search dummy.out for a typedef for X*$t. + sed_script=" + s/unsigned long long int/_G_ullong/g + s/long long int/_G_llong/g + s/unsigned long long/_G_ullong/g + s/long long/_G_llong/g + /.*typedef *\\(.*[^ ]\\) *X*$t *;.*/{s||\1|;p;q;} + /.*typedef *\\(.*[^ a-zA-Z0-9_]\\)X*$t *;.*/{s||\1|;p;q;} + " + t=`${SED} -n "$sed_script" <dummy.out` + case "$t" in + '') + break;; + *) + # Found a type $t; save it in VALUE. + VALUE=$t + # If it won't cause problems in matching, + # look for a typedef for it in turn. + case "$VALUE" in + *.* | */* | *\ * | *\** | *\[* | *\\*) break;; + esac;; + esac + done + + case "$VALUE" in + ?*) eval "$TYPE=\"$VALUE\"" + esac + fi +done + +# Look for some standard macros. +for NAME in BUFSIZ FOPEN_MAX FILENAME_MAX NULL; do + eval IMPORTED=\$$NAME + if [ -n "${IMPORTED}" ] ; then + eval "$NAME='$IMPORTED /* specified */'" + else + rm -f TMP + ${SED} -n -e 's| *;|;|g' -e "s|long X${NAME}= *\(.*\);|\1|w TMP" \ + <dummy.out>/dev/null + # Now select the first definition. + if [ -s TMP ]; then + eval "$NAME='"`${SED} -e '2,$d' <TMP`"'" + fi + fi +done + +# These macros must be numerical constants; strip any trailing 'L's. +for NAME in SHRT_MAX INT_MAX LONG_MAX LONG_LONG_MAX; do + eval IMPORTED=\$$NAME + if [ -n "${IMPORTED}" ] ; then + eval "$NAME='$IMPORTED /* specified */'" + else + rm -f TMP + ${SED} -n -e 's| *;|;|g' -e "s|long X${NAME}= *\([0-9]*\)L* *;|\1|w TMP" \ + <dummy.out>/dev/null + # Now select the first definition. + if [ -s TMP ]; then + eval "$NAME='"`${SED} -e '2,$d' <TMP`"'" + fi + fi +done + +# Figure out integral type sizes. + +default_int16='short /* deduction failed */' +default_int32='long /* deduction failed */' +INT16=32767 +INT32=2147483647 + +if [ "${SHRT_MAX}" = $INT16 ] ; then + default_int16='short /* deduced */' + if [ "${LONG_MAX}" = $INT32 ] ; then + default_int32='long /* deduced */' + elif [ "${INT_MAX}" = $INT32 ] ; then + default_int32='int /* deduced */' + fi +fi + +[ -n "$u_int16_t" ] && uint16_t="$u_int16_t" +[ -n "$u_int32_t" ] && uint32_t="$u_int32_t" + +[ -z "$int16_t" ] && int16_t="$default_int16" +[ -z "$uint16_t" ] && uint16_t="unsigned $int16_t" +[ -z "$int32_t" ] && int32_t="$default_int32" +[ -z "$uint32_t" ] && uint32_t="unsigned $int32_t" + +cat <<!EOF! +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) +typedef int ${macro_prefix}int8_t __attribute__((__mode__(__QI__))); +typedef unsigned int ${macro_prefix}uint8_t __attribute__((__mode__(__QI__))); +typedef int ${macro_prefix}int16_t __attribute__((__mode__(__HI__))); +typedef unsigned int ${macro_prefix}uint16_t __attribute__((__mode__(__HI__))); +typedef int ${macro_prefix}int32_t __attribute__((__mode__(__SI__))); +typedef unsigned int ${macro_prefix}uint32_t __attribute__((__mode__(__SI__))); +typedef int ${macro_prefix}int64_t __attribute__((__mode__(__DI__))); +typedef unsigned int ${macro_prefix}uint64_t __attribute__((__mode__(__DI__))); +#if __GNUC__ > 2 || __GNUC_MINOR__ >= 8 +__extension__ typedef long long ${macro_prefix}llong; +__extension__ typedef unsigned long long ${macro_prefix}ullong; +#endif +#else +typedef $int16_t ${macro_prefix}int16_t; +typedef $uint16_t ${macro_prefix}uint16_t; +typedef $int32_t ${macro_prefix}int32_t; +typedef $uint32_t ${macro_prefix}uint32_t; +#endif + +typedef ${clock_t-int /* default */} ${macro_prefix}clock_t; +typedef ${dev_t-int /* default */} ${macro_prefix}dev_t; +typedef ${fpos_t-long /* default */} ${macro_prefix}fpos_t; +typedef ${gid_t-int /* default */} ${macro_prefix}gid_t; +typedef ${ino_t-int /* default */} ${macro_prefix}ino_t; +typedef ${mode_t-int /* default */} ${macro_prefix}mode_t; +typedef ${nlink_t-int /* default */} ${macro_prefix}nlink_t; +typedef ${off_t-long /* default */} ${macro_prefix}off_t; +typedef ${pid_t-int /* default */} ${macro_prefix}pid_t; +#ifndef __PTRDIFF_TYPE__ +#define __PTRDIFF_TYPE__ ${ptrdiff_t-long int /* default */} +#endif +typedef __PTRDIFF_TYPE__ ${macro_prefix}ptrdiff_t; +typedef ${sigset_t-int /* default */} ${macro_prefix}sigset_t; +#ifndef __SIZE_TYPE__ +#define __SIZE_TYPE__ ${size_t-unsigned long /* default */} +#endif +typedef __SIZE_TYPE__ ${macro_prefix}size_t; +typedef ${time_t-int /* default */} ${macro_prefix}time_t; +typedef ${uid_t-int /* default */} ${macro_prefix}uid_t; +typedef ${wchar_t-int /* default */} ${macro_prefix}wchar_t; + +#define ${macro_prefix}BUFSIZ ${BUFSIZ-1024 /* default */} +#define ${macro_prefix}FOPEN_MAX ${FOPEN_MAX-32 /* default */} +#define ${macro_prefix}FILENAME_MAX ${FILENAME_MAX-1024 /* default */} +#if defined (__cplusplus) || defined (__STDC__) +#define ${macro_prefix}ARGS(ARGLIST) ARGLIST +#else +#define ${macro_prefix}ARGS(ARGLIST) () +#endif +#if !defined (__GNUG__) || defined (__STRICT_ANSI__) +#define ${macro_prefix}NO_NRV +#endif +#if !defined (__GNUG__) +#define _G_NO_EXTERN_TEMPLATES +#endif +!EOF! + +# ssize_t is the signed version of size_t +if [ -n "${ssize_t}" ] ; then + echo "typedef ${ssize_t} ${macro_prefix}ssize_t;" +elif [ -z "${size_t}" ] ; then + echo "typedef long ${macro_prefix}ssize_t;" +else + # Remove "unsigned" from ${size_t} to get ${ssize_t}. + tmp="`echo ${size_t} | ${SED} -e 's|unsigned||g' -e 's| | |g'`" + if [ -z "$tmp" ] ; then + tmp=int + else + # check $tmp doesn't conflict with <unistd.h> + echo "#include <unistd.h> + extern $tmp read();" >dummy.c + ${CC} -c dummy.c >/dev/null 2>&1 || tmp=int + fi + echo "typedef $tmp /* default */ ${macro_prefix}ssize_t;" +fi + +# wint_t is often the integral type to which wchar_t promotes. +if [ -z "${wint_t}" ] ; then + for TYPE in int 'unsigned int' 'long int' 'long unsigned int'; do + cat >dummy.C <<!EOF! +#ifndef __WCHAR_TYPE__ +#define __WCHAR_TYPE__ ${wchar_t-int /* default */} +#endif +typedef __WCHAR_TYPE__ ${macro_prefix}wchar_t; +void foo ($TYPE); +void foo (double); +void bar (${macro_prefix}wchar_t w) +{ + foo (w); +} +!EOF! + if ${CXX} -c dummy.C >/dev/null 2>&1 ; then + wint_t="$TYPE /* default */" + break + fi + done +fi +echo "typedef ${wint_t-int /* wchar_t is broken */} ${macro_prefix}wint_t;" + +# va_list can cause problems (e.g. some systems have va_list as a struct). +# Check to see if ${va_list-char*} really is compatible with stdarg.h. +cat >dummy.C <<!EOF! +#define X_va_list ${va_list-char* /* default */} +extern long foo(X_va_list ap); /* Check that X_va_list compiles on its own */ +extern "C" { +#include <stdarg.h> +} +long foo(X_va_list ap) { return va_arg(ap, long); } +long bar(int i, ...) +{ va_list ap; long j; va_start(ap, i); j = foo(ap); va_end(ap); return j; } +!EOF! +if ${CXX} -c dummy.C >/dev/null 2>&1 ; then + # Ok: We have something that works. + echo "typedef ${va_list-char* /* default */} ${macro_prefix}va_list;" +else + echo "#define ${macro_prefix}NEED_STDARG_H" + # Check and see if we have __gnuc_va_list, as we might set up define + # loops if we use va_list. + cat >dummy.C <<!EOF! +#include <stdarg.h> +long foo(__gnuc_va_list ap) { return va_arg(ap, long); } +!EOF! + if ${CXX} -c dummy.C >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}va_list __gnuc_va_list" + else + echo "#define ${macro_prefix}va_list va_list" + fi +fi + +cat >dummy.c <<!EOF! +#include <signal.h> +extern int (*signal())(); +extern int dummy (int); +main() +{ + int (*oldsig)(int) = signal (1, dummy); + (void) signal (2, oldsig); + return 0; +} +!EOF! +if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}signal_return_type int" +else + echo "#define ${macro_prefix}signal_return_type void" +fi + +# check sprintf return type + +cat >dummy.c <<!EOF! +#include <stdio.h> +extern int sprintf(); char buf[100]; +int main() { return sprintf(buf, "%d", 34); } +!EOF! +if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}sprintf_return_type int" +else + echo "#define ${macro_prefix}sprintf_return_type char*" +fi + +if test -n "${HAVE_ATEXIT}" ; then + echo "#define ${macro_prefix}HAVE_ATEXIT ${HAVE_ATEXIT}" +else + cat >dummy.c <<!EOF! +#include <stdlib.h> +int main() +{ + atexit (0); +} +!EOF! + if ${CC} dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_ATEXIT 1" + else + echo "#define ${macro_prefix}HAVE_ATEXIT 0" + fi +fi + + +# *** Check for presence of certain include files *** + +# check for sys/resource.h + +if test -n "${HAVE_SYS_RESOURCE}" ; then + echo "#define ${macro_prefix}HAVE_SYS_RESOURCE ${HAVE_SYS_RESOURCE}" +else + cat >dummy.c <<!EOF! +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> + int main() + { + struct rusage res; + getrusage(RUSAGE_SELF, &res); + return (int)(res.ru_utime.tv_sec + (res.ru_utime.tv_usec / 1000000.0)); + } +!EOF! + # Note: We link because some systems have sys/resource, but not getrusage(). + if ${CC} dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_SYS_RESOURCE 1" + else + echo "#define ${macro_prefix}HAVE_SYS_RESOURCE 0" + fi +fi + +# check for struct tms in sys/times.h + +if test -n "${HAVE_SYS_TIMES}" ; then + echo "#define ${macro_prefix}HAVE_SYS_TIMES ${HAVE_SYS_TIMES}" +else + cat >dummy.c <<!EOF! +#include <sys/types.h> +#include <sys/times.h> + int main() + { + struct tms s; + return s.tms_utime; + } +!EOF! + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_SYS_TIMES 1" + else + echo "#define ${macro_prefix}HAVE_SYS_TIMES 0" + fi +fi + +# check for sys/socket.h + +if test -n "${HAVE_SYS_SOCKET}" ; then + echo "#define ${macro_prefix}HAVE_SYS_SOCKET ${HAVE_SYS_SOCKET}" +else + echo '#include <sys/types.h>' >dummy.c + echo '#include <sys/socket.h>' >>dummy.c + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_SYS_SOCKET 1" + else + echo "#define ${macro_prefix}HAVE_SYS_SOCKET 0" + fi +fi + +# check for sys/cdefs.h + +if test -n "${HAVE_SYS_CDEFS}" ; then + echo "#define ${macro_prefix}HAVE_SYS_CDEFS ${HAVE_SYS_CDEFS}" +else + echo '#include <sys/cdefs.h>' >dummy.c + echo 'extern int myfunc __P((int, int));' >>dummy.c + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_SYS_CDEFS 1" + else + echo "#define ${macro_prefix}HAVE_SYS_CDEFS 0" + fi +fi + +# Check for a (Posix-compatible) sys/wait.h */ + +if test -n "${HAVE_SYS_WAIT}" ; then + echo "#define ${macro_prefix}HAVE_SYS_WAIT ${HAVE_SYS_WAIT}" +else + cat >dummy.c <<!EOF! +#include <sys/types.h> +#include <sys/wait.h> + int f() { int i; wait(&i); return i; } +!EOF! + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_SYS_WAIT 1" + else + echo "#define ${macro_prefix}HAVE_SYS_WAIT 0" + fi +fi + +if test -n "${HAVE_UNISTD}" ; then + echo "#define ${macro_prefix}HAVE_UNISTD ${HAVE_UNISTD}" +else + echo '#include <unistd.h>' >dummy.c + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_UNISTD 1" + else + echo "#define ${macro_prefix}HAVE_UNISTD 0" + fi +fi + +if test -n "${HAVE_DIRENT}" ; then + echo "#define ${macro_prefix}HAVE_DIRENT ${HAVE_DIRENT}" +else + echo '#include <sys/types.h> +#include <dirent.h>' >dummy.c + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_DIRENT 1" + else + echo "#define ${macro_prefix}HAVE_DIRENT 0" + fi +fi + +if test -n "${HAVE_CURSES}" ; then + echo "#define ${macro_prefix}HAVE_CURSES ${HAVE_CURSES}" +else + echo '#include <curses.h>' >dummy.c + if ${CC} -c dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_CURSES 1" + else + echo "#define ${macro_prefix}HAVE_CURSES 0" + fi +fi + +# There is no test for this at the moment; it is just set by the +# configuration files. +if test -n "${MATH_H_INLINES}" ; then + echo "#define ${macro_prefix}MATH_H_INLINES ${MATH_H_INLINES}" +else + echo "#define ${macro_prefix}MATH_H_INLINES 0" +fi + +if test -n "${HAVE_BOOL}" ; then + echo "#define ${macro_prefix}HAVE_BOOL ${HAVE_BOOL}" +else + echo 'bool i=true,j=false;' >dummy.C + if ${CXX} -c dummy.C >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_BOOL 1" + else + echo "#define ${macro_prefix}HAVE_BOOL 0" + fi +fi + +if test -n "${NO_USE_DTOA}" ; then + echo "#define ${macro_prefix}NO_USE_DTOA 1" +fi +if test -n "${USE_INT32_FLAGS}" ; then + echo "#define ${macro_prefix}USE_INT32_FLAGS 1" +fi + +# A little test program to check if __printf_fp is available. +cat >dummy.c <<EOF +int main() +{ + return __printf_fp (); +} +EOF + +if ${CC} dummy.c >/dev/null 2>&1 ; then + echo "#define ${macro_prefix}HAVE_PRINTF_FP 1" + echo "#define ${macro_prefix}HAVE_LONG_DOUBLE_IO 1" +else + echo "#define ${macro_prefix}HAVE_PRINTF_FP 0" + echo "#define ${macro_prefix}HAVE_LONG_DOUBLE_IO 0" +fi + +# Uncomment the following line if you don't have working templates. +# echo "#define ${macro_prefix}NO_TEMPLATES" + +# Override bogus definitions of NULL in system headers. +cat <<EOF +#undef NULL +#define __need_NULL +#include <stddef.h> +EOF + +rm -f dummy.C dummy.o dummy.c dummy.out TMP core a.out + +echo "#endif /* !${macro_prefix}config_h */" diff --git a/contrib/libio/genops.c b/contrib/libio/genops.c new file mode 100644 index 0000000..b899e15 --- /dev/null +++ b/contrib/libio/genops.c @@ -0,0 +1,946 @@ +/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +/* Generic or default I/O operations. */ + +#include "libioP.h" +#ifdef __STDC__ +#include <stdlib.h> +#endif +#include <string.h> + +void +_IO_un_link (fp) + _IO_FILE *fp; +{ + if (fp->_flags & _IO_LINKED) + { + _IO_FILE **f; + for (f = &_IO_list_all; *f != NULL; f = &(*f)->_chain) + { + if (*f == fp) + { + *f = fp->_chain; + break; + } + } + fp->_flags &= ~_IO_LINKED; + } +} + +void +_IO_link_in (fp) + _IO_FILE *fp; +{ + if ((fp->_flags & _IO_LINKED) == 0) + { + fp->_flags |= _IO_LINKED; + fp->_chain = _IO_list_all; + _IO_list_all = fp; + } +} + +/* Return minimum _pos markers + Assumes the current get area is the main get area. */ +static _IO_size_t _IO_least_marker __P ((_IO_FILE *fp)); + +static _IO_size_t +_IO_least_marker (fp) + _IO_FILE *fp; +{ + _IO_ssize_t least_so_far = fp->_IO_read_end - fp->_IO_read_base; + struct _IO_marker *mark; + for (mark = fp->_markers; mark != NULL; mark = mark->_next) + if (mark->_pos < least_so_far) + least_so_far = mark->_pos; + return least_so_far; +} + +/* Switch current get area from backup buffer to (start of) main get area. */ + +void +_IO_switch_to_main_get_area (fp) + _IO_FILE *fp; +{ + char *tmp; + fp->_flags &= ~_IO_IN_BACKUP; + /* Swap _IO_read_end and _IO_save_end. */ + tmp = fp->_IO_read_end; + fp->_IO_read_end = fp->_IO_save_end; + fp->_IO_save_end= tmp; + /* Swap _IO_read_base and _IO_save_base. */ + tmp = fp->_IO_read_base; + fp->_IO_read_base = fp->_IO_save_base; + fp->_IO_save_base = tmp; + + fp->_IO_read_ptr = fp->_IO_read_base; +} + +/* Switch current get area from main get area to (end of) backup area. */ + +void +_IO_switch_to_backup_area (fp) + _IO_FILE *fp; +{ + char *tmp; + fp->_flags |= _IO_IN_BACKUP; + /* Swap _IO_read_end and _IO_save_end. */ + tmp = fp->_IO_read_end; + fp->_IO_read_end = fp->_IO_save_end; + fp->_IO_save_end = tmp; + /* Swap _gbase and _IO_save_base. */ + tmp = fp->_IO_read_base; + fp->_IO_read_base = fp->_IO_save_base; + fp->_IO_save_base = tmp; + + fp->_IO_read_ptr = fp->_IO_read_end; +} + +int +_IO_switch_to_get_mode (fp) + _IO_FILE *fp; +{ + if (fp->_IO_write_ptr > fp->_IO_write_base) + if (_IO_OVERFLOW (fp, EOF) == EOF) + return EOF; + if (_IO_in_backup (fp)) + fp->_IO_read_base = fp->_IO_backup_base; + else + { + fp->_IO_read_base = fp->_IO_buf_base; + if (fp->_IO_write_ptr > fp->_IO_read_end) + fp->_IO_read_end = fp->_IO_write_ptr; + } + fp->_IO_read_ptr = fp->_IO_write_ptr; + + fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end = fp->_IO_read_ptr; + + fp->_flags &= ~_IO_CURRENTLY_PUTTING; + return 0; +} + +void +_IO_free_backup_area (fp) + _IO_FILE *fp; +{ + if (_IO_in_backup (fp)) + _IO_switch_to_main_get_area (fp); /* Just in case. */ + free (fp->_IO_save_base); + fp->_IO_save_base = NULL; + fp->_IO_save_end = NULL; + fp->_IO_backup_base = NULL; +} + +#if 0 +int +_IO_switch_to_put_mode (fp) + _IO_FILE *fp; +{ + fp->_IO_write_base = fp->_IO_read_ptr; + fp->_IO_write_ptr = fp->_IO_read_ptr; + /* Following is wrong if line- or un-buffered? */ + fp->_IO_write_end = (fp->_flags & _IO_IN_BACKUP + ? fp->_IO_read_end : fp->_IO_buf_end); + + fp->_IO_read_ptr = fp->_IO_read_end; + fp->_IO_read_base = fp->_IO_read_end; + + fp->_flags |= _IO_CURRENTLY_PUTTING; + return 0; +} +#endif + +int +__overflow (f, ch) + _IO_FILE *f; + int ch; +{ + return _IO_OVERFLOW (f, ch); +} + +static int save_for_backup __P ((_IO_FILE *fp)); + + static int +save_for_backup (fp) + _IO_FILE *fp; +{ + /* Append [_IO_read_base.._IO_read_end] to backup area. */ + int least_mark = _IO_least_marker (fp); + /* needed_size is how much space we need in the backup area. */ + int needed_size = (fp->_IO_read_end - fp->_IO_read_base) - least_mark; + int current_Bsize = fp->_IO_save_end - fp->_IO_save_base; + int avail; /* Extra space available for future expansion. */ + int delta; + struct _IO_marker *mark; + if (needed_size > current_Bsize) + { + char *new_buffer; + avail = 100; + new_buffer = (char *) malloc (avail + needed_size); + if (new_buffer == NULL) + return EOF; /* FIXME */ + if (least_mark < 0) + { + memcpy (new_buffer + avail, + fp->_IO_save_end + least_mark, + -least_mark); + memcpy (new_buffer + avail - least_mark, + fp->_IO_read_base, + fp->_IO_read_end - fp->_IO_read_base); + } + else + memcpy (new_buffer + avail, + fp->_IO_read_base + least_mark, + needed_size); + if (fp->_IO_save_base) + free (fp->_IO_save_base); + fp->_IO_save_base = new_buffer; + fp->_IO_save_end = new_buffer + avail + needed_size; + } + else + { + avail = current_Bsize - needed_size; + if (least_mark < 0) + { + memmove (fp->_IO_save_base + avail, + fp->_IO_save_end + least_mark, + -least_mark); + memcpy (fp->_IO_save_base + avail - least_mark, + fp->_IO_read_base, + fp->_IO_read_end - fp->_IO_read_base); + } + else if (needed_size > 0) + memcpy (fp->_IO_save_base + avail, + fp->_IO_read_base + least_mark, + needed_size); + } + /* FIXME: Dubious arithmetic if pointers are NULL */ + fp->_IO_backup_base = fp->_IO_save_base + avail; + /* Adjust all the streammarkers. */ + delta = fp->_IO_read_end - fp->_IO_read_base; + for (mark = fp->_markers; mark != NULL; mark = mark->_next) + mark->_pos -= delta; + return 0; +} + +int +__underflow (fp) + _IO_FILE *fp; +{ + if (_IO_in_put_mode (fp)) + if (_IO_switch_to_get_mode (fp) == EOF) + return EOF; + if (fp->_IO_read_ptr < fp->_IO_read_end) + return *(unsigned char *) fp->_IO_read_ptr; + if (_IO_in_backup (fp)) + { + _IO_switch_to_main_get_area (fp); + if (fp->_IO_read_ptr < fp->_IO_read_end) + return *(unsigned char *) fp->_IO_read_ptr; + } + if (_IO_have_markers (fp)) + { + if (save_for_backup (fp)) + return EOF; + } + else if (_IO_have_backup (fp)) + _IO_free_backup_area (fp); + return _IO_UNDERFLOW (fp); +} + +int +__uflow (fp) + _IO_FILE *fp; +{ + if (_IO_in_put_mode (fp)) + if (_IO_switch_to_get_mode (fp) == EOF) + return EOF; + if (fp->_IO_read_ptr < fp->_IO_read_end) + return *(unsigned char *) fp->_IO_read_ptr++; + if (_IO_in_backup (fp)) + { + _IO_switch_to_main_get_area (fp); + if (fp->_IO_read_ptr < fp->_IO_read_end) + return *(unsigned char *) fp->_IO_read_ptr++; + } + if (_IO_have_markers (fp)) + { + if (save_for_backup (fp)) + return EOF; + } + else if (_IO_have_backup (fp)) + _IO_free_backup_area (fp); + return _IO_UFLOW (fp); +} + +void +_IO_setb (f, b, eb, a) + _IO_FILE *f; + char *b; + char *eb; + int a; +{ + if (f->_IO_buf_base && !(f->_flags & _IO_USER_BUF)) + FREE_BUF (f->_IO_buf_base, _IO_blen (f)); + f->_IO_buf_base = b; + f->_IO_buf_end = eb; + if (a) + f->_flags &= ~_IO_USER_BUF; + else + f->_flags |= _IO_USER_BUF; +} + +void +_IO_doallocbuf (fp) + _IO_FILE *fp; +{ + if (fp->_IO_buf_base) + return; + if (!(fp->_flags & _IO_UNBUFFERED)) + if (_IO_DOALLOCATE (fp) != EOF) + return; + _IO_setb (fp, fp->_shortbuf, fp->_shortbuf+1, 0); +} + +int +_IO_default_underflow (fp) + _IO_FILE *fp; +{ + return EOF; +} + +int +_IO_default_uflow (fp) + _IO_FILE *fp; +{ + int ch = _IO_UNDERFLOW (fp); + if (ch == EOF) + return EOF; + return *(unsigned char *) fp->_IO_read_ptr++; +} + +_IO_size_t +_IO_default_xsputn (f, data, n) + _IO_FILE *f; + const void *data; + _IO_size_t n; +{ + const char *s = (char *) data; + _IO_size_t more = n; + if (more <= 0) + return 0; + for (;;) + { + /* Space available. */ + _IO_ssize_t count = f->_IO_write_end - f->_IO_write_ptr; + if (count > 0) + { + if ((_IO_size_t) count > more) + count = more; + if (count > 20) + { + memcpy (f->_IO_write_ptr, s, count); + s += count; + f->_IO_write_ptr += count; + } + else if (count <= 0) + count = 0; + else + { + char *p = f->_IO_write_ptr; + _IO_ssize_t i; + for (i = count; --i >= 0; ) + *p++ = *s++; + f->_IO_write_ptr = p; + } + more -= count; + } + if (more == 0 || __overflow (f, (unsigned char) *s++) == EOF) + break; + more--; + } + return n - more; +} + +_IO_size_t +_IO_sgetn (fp, data, n) + _IO_FILE *fp; + void *data; + _IO_size_t n; +{ + /* FIXME handle putback buffer here! */ + return _IO_XSGETN (fp, data, n); +} + +_IO_size_t +_IO_default_xsgetn (fp, data, n) + _IO_FILE *fp; + void *data; + _IO_size_t n; +{ + _IO_size_t more = n; + char *s = (char*) data; + for (;;) + { + /* Data available. */ + _IO_ssize_t count = fp->_IO_read_end - fp->_IO_read_ptr; + if (count > 0) + { + if ((_IO_size_t) count > more) + count = more; + if (count > 20) + { + memcpy (s, fp->_IO_read_ptr, count); + s += count; + fp->_IO_read_ptr += count; + } + else if (count <= 0) + count = 0; + else + { + char *p = fp->_IO_read_ptr; + int i = (int) count; + while (--i >= 0) + *s++ = *p++; + fp->_IO_read_ptr = p; + } + more -= count; + } + if (more == 0 || __underflow (fp) == EOF) + break; + } + return n - more; +} + +#if 0 +/* Seems not to be needed. --drepper */ +int +_IO_sync (fp) + _IO_FILE *fp; +{ + return 0; +} +#endif + +_IO_FILE * +_IO_default_setbuf (fp, p, len) + _IO_FILE *fp; + char *p; + _IO_ssize_t len; +{ + if (_IO_SYNC (fp) == EOF) + return NULL; + if (p == NULL || len == 0) + { + fp->_flags |= _IO_UNBUFFERED; + _IO_setb (fp, fp->_shortbuf, fp->_shortbuf+1, 0); + } + else + { + fp->_flags &= ~_IO_UNBUFFERED; + _IO_setb (fp, p, p+len, 0); + } + fp->_IO_write_base = fp->_IO_write_ptr = fp->_IO_write_end = 0; + fp->_IO_read_base = fp->_IO_read_ptr = fp->_IO_read_end = 0; + return fp; +} + +_IO_pos_t +_IO_default_seekpos (fp, pos, mode) + _IO_FILE *fp; + _IO_pos_t pos; + int mode; +{ + return _IO_SEEKOFF (fp, _IO_pos_as_off (pos), 0, mode); +} + +int +_IO_default_doallocate (fp) + _IO_FILE *fp; +{ + char *buf; + + ALLOC_BUF (buf, _IO_BUFSIZ, EOF); + _IO_setb (fp, buf, buf+_IO_BUFSIZ, 1); + return 1; +} + +void +_IO_init (fp, flags) + _IO_FILE *fp; + int flags; +{ + fp->_flags = _IO_MAGIC|flags; + fp->_IO_buf_base = NULL; + fp->_IO_buf_end = NULL; + fp->_IO_read_base = NULL; + fp->_IO_read_ptr = NULL; + fp->_IO_read_end = NULL; + fp->_IO_write_base = NULL; + fp->_IO_write_ptr = NULL; + fp->_IO_write_end = NULL; + fp->_chain = NULL; /* Not necessary. */ + + fp->_IO_save_base = NULL; + fp->_IO_backup_base = NULL; + fp->_IO_save_end = NULL; + fp->_markers = NULL; + fp->_cur_column = 0; +#ifdef _IO_MTSAFE_IO + _IO_lock_init (*fp->_lock); +#endif +} + +int +_IO_default_sync (fp) + _IO_FILE *fp; +{ + return 0; +} + +/* The way the C++ classes are mapped into the C functions in the + current implementation, this function can get called twice! */ + +void +_IO_default_finish (fp, dummy) + _IO_FILE *fp; + int dummy; +{ + struct _IO_marker *mark; + if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF)) + { + FREE_BUF (fp->_IO_buf_base, _IO_blen (fp)); + fp->_IO_buf_base = fp->_IO_buf_end = NULL; + } + + for (mark = fp->_markers; mark != NULL; mark = mark->_next) + mark->_sbuf = NULL; + + if (fp->_IO_save_base) + { + free (fp->_IO_save_base); + fp->_IO_save_base = NULL; + } + +#ifdef _IO_MTSAFE_IO + _IO_lock_fini (*fp->_lock); +#endif + + _IO_un_link (fp); +} + +_IO_pos_t +_IO_default_seekoff (fp, offset, dir, mode) + _IO_FILE *fp; + _IO_off_t offset; + int dir; + int mode; +{ + return _IO_pos_BAD; +} + +int +_IO_sputbackc (fp, c) + _IO_FILE *fp; + int c; +{ + int result; + + if (fp->_IO_read_ptr > fp->_IO_read_base + && (unsigned char)fp->_IO_read_ptr[-1] == (unsigned char)c) + { + fp->_IO_read_ptr--; + result = (unsigned char) c; + } + else + result = _IO_PBACKFAIL (fp, c); + + if (result != EOF) + fp->_flags &= ~_IO_EOF_SEEN; + + return result; +} + +int +_IO_sungetc (fp) + _IO_FILE *fp; +{ + int result; + + if (fp->_IO_read_ptr > fp->_IO_read_base) + { + fp->_IO_read_ptr--; + result = (unsigned char) *fp->_IO_read_ptr; + } + else + result = _IO_PBACKFAIL (fp, EOF); + + if (result != EOF) + fp->_flags &= ~_IO_EOF_SEEN; + + return result; +} + +#if 0 /* Work in progress */ +/* Seems not to be needed. */ +#if 0 +void +_IO_set_column (fp, c) + _IO_FILE *fp; + int c; +{ + if (c == -1) + fp->_column = -1; + else + fp->_column = c - (fp->_IO_write_ptr - fp->_IO_write_base); +} +#else +int +_IO_set_column (fp, i) + _IO_FILE *fp; + int i; +{ + fp->_cur_column = i + 1; + return 0; +} +#endif +#endif + + +unsigned +_IO_adjust_column (start, line, count) + unsigned start; + const char *line; + int count; +{ + const char *ptr = line + count; + while (ptr > line) + if (*--ptr == '\n') + return line + count - ptr - 1; + return start + count; +} + +#if 0 +/* Seems not to be needed. --drepper */ +int +_IO_get_column (fp) + _IO_FILE *fp; +{ + if (fp->_cur_column) + return _IO_adjust_column (fp->_cur_column - 1, + fp->_IO_write_base, + fp->_IO_write_ptr - fp->_IO_write_base); + return -1; +} +#endif + +int +_IO_flush_all () +{ + int result = 0; + _IO_FILE *fp; + for (fp = _IO_list_all; fp != NULL; fp = fp->_chain) + if (fp->_IO_write_ptr > fp->_IO_write_base + && _IO_OVERFLOW (fp, EOF) == EOF) + result = EOF; + return result; +} + +void +_IO_flush_all_linebuffered () +{ + _IO_FILE *fp; + for (fp = _IO_list_all; fp != NULL; fp = fp->_chain) + if ((fp->_flags & _IO_NO_WRITES) == 0 && fp->_flags & _IO_LINE_BUF) + _IO_OVERFLOW (fp, EOF); +} + +static void _IO_unbuffer_all __P ((void)); + +static void +_IO_unbuffer_all () +{ + _IO_FILE *fp; + for (fp = _IO_list_all; fp != NULL; fp = fp->_chain) + if (! (fp->_flags & _IO_UNBUFFERED)) + _IO_SETBUF (fp, NULL, 0); +} + +void +_IO_cleanup () +{ + _IO_flush_all (); + + /* We currently don't have a reliable mechanism for making sure that + C++ static destructors are executed in the correct order. + So it is possible that other static destructors might want to + write to cout - and they're supposed to be able to do so. + + The following will make the standard streambufs be unbuffered, + which forces any output from late destructors to be written out. */ + _IO_unbuffer_all (); +} + +void +_IO_init_marker (marker, fp) + struct _IO_marker *marker; + _IO_FILE *fp; +{ + marker->_sbuf = fp; + if (_IO_in_put_mode (fp)) + _IO_switch_to_get_mode (fp); + if (_IO_in_backup (fp)) + marker->_pos = fp->_IO_read_ptr - fp->_IO_read_end; + else + marker->_pos = fp->_IO_read_ptr - fp->_IO_read_base; + + /* Should perhaps sort the chain? */ + marker->_next = fp->_markers; + fp->_markers = marker; +} + +void +_IO_remove_marker (marker) + struct _IO_marker *marker; +{ + /* Unlink from sb's chain. */ + struct _IO_marker **ptr = &marker->_sbuf->_markers; + for (; ; ptr = &(*ptr)->_next) + { + if (*ptr == NULL) + break; + else if (*ptr == marker) + { + *ptr = marker->_next; + return; + } + } +#if 0 + if _sbuf has a backup area that is no longer needed, should we delete + it now, or wait until the next underflow? +#endif +} + +#define BAD_DELTA EOF + +int +_IO_marker_difference (mark1, mark2) + struct _IO_marker *mark1; + struct _IO_marker *mark2; +{ + return mark1->_pos - mark2->_pos; +} + +/* Return difference between MARK and current position of MARK's stream. */ +int +_IO_marker_delta (mark) + struct _IO_marker *mark; +{ + int cur_pos; + if (mark->_sbuf == NULL) + return BAD_DELTA; + if (_IO_in_backup (mark->_sbuf)) + cur_pos = mark->_sbuf->_IO_read_ptr - mark->_sbuf->_IO_read_end; + else + cur_pos = mark->_sbuf->_IO_read_ptr - mark->_sbuf->_IO_read_base; + return mark->_pos - cur_pos; +} + +int +_IO_seekmark (fp, mark, delta) + _IO_FILE *fp; + struct _IO_marker *mark; + int delta; +{ + if (mark->_sbuf != fp) + return EOF; + if (mark->_pos >= 0) + { + if (_IO_in_backup (fp)) + _IO_switch_to_main_get_area (fp); + fp->_IO_read_ptr = fp->_IO_read_base + mark->_pos; + } + else + { + if (!_IO_in_backup (fp)) + _IO_switch_to_backup_area (fp); + fp->_IO_read_ptr = fp->_IO_read_end + mark->_pos; + } + return 0; +} + +void +_IO_unsave_markers (fp) + _IO_FILE *fp; +{ + struct _IO_marker *mark = fp->_markers; + if (mark) + { +#ifdef TODO + streampos offset = seekoff (0, ios::cur, ios::in); + if (offset != EOF) + { + offset += eGptr () - Gbase (); + for ( ; mark != NULL; mark = mark->_next) + mark->set_streampos (mark->_pos + offset); + } + else + { + for ( ; mark != NULL; mark = mark->_next) + mark->set_streampos (EOF); + } +#endif + fp->_markers = 0; + } + + if (_IO_have_backup (fp)) + _IO_free_backup_area (fp); +} + +#if 0 +/* Seems not to be needed. --drepper */ +int +_IO_nobackup_pbackfail (fp, c) + _IO_FILE *fp; + int c; +{ + if (fp->_IO_read_ptr > fp->_IO_read_base) + fp->_IO_read_ptr--; + if (c != EOF && *fp->_IO_read_ptr != c) + *fp->_IO_read_ptr = c; + return (unsigned char) c; +} +#endif + +int +_IO_default_pbackfail (fp, c) + _IO_FILE *fp; + int c; +{ + if (fp->_IO_read_ptr <= fp->_IO_read_base) + { + /* Need to handle a filebuf in write mode (switch to read mode). FIXME!*/ + if (_IO_have_backup (fp) && !_IO_in_backup (fp)) + _IO_switch_to_backup_area (fp); + + if (!_IO_have_backup (fp)) + { + /* No backup buffer: allocate one. */ + /* Use nshort buffer, if unused? (probably not) FIXME */ + int backup_size = 128; + char *bbuf = (char *) malloc (backup_size); + if (bbuf == NULL) + return EOF; + fp->_IO_save_base = bbuf; + fp->_IO_save_end = fp->_IO_save_base + backup_size; + fp->_IO_backup_base = fp->_IO_save_end; + _IO_switch_to_backup_area (fp); + } + else if (fp->_IO_read_ptr <= fp->_IO_read_base) + { + /* Increase size of existing backup buffer. */ + _IO_size_t new_size; + _IO_size_t old_size = fp->_IO_read_end - fp->_IO_read_base; + char *new_buf; + new_size = 2 * old_size; + new_buf = (char *) malloc (new_size); + if (new_buf == NULL) + return EOF; + memcpy (new_buf + (new_size - old_size), fp->_IO_read_base, + old_size); + free (fp->_IO_read_base); + _IO_setg (fp, new_buf, new_buf + (new_size - old_size), + new_buf + new_size); + fp->_IO_backup_base = fp->_IO_read_ptr; + } + } + --fp->_IO_read_ptr; + if (c != EOF && *fp->_IO_read_ptr != c) + *fp->_IO_read_ptr = c; + return (unsigned char) *fp->_IO_read_ptr; +} + +_IO_pos_t +_IO_default_seek (fp, offset, dir) + _IO_FILE *fp; + _IO_off_t offset; + int dir; +{ + return _IO_pos_BAD; +} + +int +_IO_default_stat (fp, st) + _IO_FILE *fp; + void* st; +{ + return EOF; +} + +_IO_ssize_t +_IO_default_read (fp, data, n) + _IO_FILE* fp; + void *data; + _IO_ssize_t n; +{ + return -1; +} + +_IO_ssize_t +_IO_default_write (fp, data, n) + _IO_FILE *fp; + const void *data; + _IO_ssize_t n; +{ + return 0; +} + + +#ifdef TODO +#if defined(linux) +#define IO_CLEANUP ; +#endif + +#ifdef IO_CLEANUP + IO_CLEANUP +#else +struct __io_defs { + __io_defs() { } + ~__io_defs() { _IO_cleanup (); } +}; +__io_defs io_defs__; +#endif + +#endif /* TODO */ + +#ifdef weak_alias +weak_alias (_IO_cleanup, _cleanup) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +void _cleanup () __attribute__ ((weak, alias ("_IO_cleanup"))); +#endif + +#ifdef text_set_element +text_set_element(__libc_atexit, _cleanup); +#endif diff --git a/contrib/libio/include/empty.h b/contrib/libio/include/empty.h new file mode 100644 index 0000000..dcbf758 --- /dev/null +++ b/contrib/libio/include/empty.h @@ -0,0 +1,37 @@ +/* Thread package specific definitions of stream lock type. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _LIBIO_LOCK_H +#define _LIBIO_LOCK_H 1 + +typedef void *_IO_lock_t; + +/* We need recursive (counting) mutexes. */ +#define _IO_lock_initializer NULL + + +#define _IO_cleanup_region_start(_fct, _fp) +#define _IO_cleanup_region_end(_doit) +#define _IO_lock_init(_name) +#define _IO_lock_fini(_name) +#define _IO_lock_lock(_name) +#define _IO_lock_unlock(_name) + +#endif /* libio-lock.h */ +/* this will be used later*/ diff --git a/contrib/libio/indstream.cc b/contrib/libio/indstream.cc new file mode 100644 index 0000000..15a1bb2 --- /dev/null +++ b/contrib/libio/indstream.cc @@ -0,0 +1,121 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif + +#include <indstream.h> + +indirectbuf::indirectbuf(streambuf *get, streambuf *put, int delete_mode) +: streambuf() +{ + _get_stream = get; + _put_stream = put == NULL ? get : put; + _delete_flags = delete_mode; +} + +indirectbuf::~indirectbuf() +{ + if (_delete_flags & ios::in) delete get_stream(); + if (_delete_flags & ios::out) delete put_stream(); +} + +streamsize indirectbuf::xsputn(const char* s, streamsize n) +{ + return put_stream()->sputn(s, n); +} + +streamsize indirectbuf::xsgetn(char* s, streamsize n) +{ + return get_stream()->sgetn(s, n); +} + +int indirectbuf::overflow(int c /* = EOF */) +{ + if (c == EOF) + return put_stream()->overflow(c); + else + return put_stream()->sputc(c); +} + +int indirectbuf::underflow() +{ + return get_stream()->sgetc(); +} + +int indirectbuf::uflow() +{ + return get_stream()->sbumpc(); +} + +streampos indirectbuf::seekoff(streamoff off, _seek_dir dir, int mode) +{ + int ret_val = 0; + int select = mode == 0 ? (ios::in|ios::out) : mode; + streambuf *gbuf = (select & ios::in) ? get_stream() : (streambuf*)NULL; + streambuf *pbuf = (select & ios::out) ? put_stream() : (streambuf*)NULL; + if (gbuf == pbuf) + ret_val = gbuf->seekoff(off, dir, mode); + else { + if (gbuf) + ret_val = gbuf->seekoff(off, dir, ios::in); + if (pbuf && ret_val != EOF) + ret_val = pbuf->seekoff(off, dir, ios::out); + } + return ret_val; +} + +streampos indirectbuf::seekpos(streampos pos, int mode) +{ + int ret_val = EOF; + int select = mode == 0 ? (ios::in|ios::out) : mode; + streambuf *gbuf = (select & ios::in) ? get_stream() : (streambuf*)NULL; + streambuf *pbuf = (select & ios::out) ? put_stream() : (streambuf*)NULL; + if (gbuf == pbuf && gbuf != NULL) + ret_val = gbuf->seekpos(pos, mode); + else { + if (gbuf) + ret_val = gbuf->seekpos(pos, ios::in); + if (pbuf && ret_val != EOF) + ret_val = pbuf->seekpos(pos, ios::out); + } + return ret_val; +} + +int indirectbuf::sync() +{ + streambuf *gbuf = get_stream(); + int get_ret_val = gbuf ? gbuf->sync() : 0; + streambuf *pbuf = put_stream(); + int put_ret_val = (pbuf && pbuf != gbuf) ? pbuf->sync() : 0; + return get_ret_val || put_ret_val; +} + +int indirectbuf::pbackfail(int c) +{ + return get_stream()->sputbackc(c); +} diff --git a/contrib/libio/indstream.h b/contrib/libio/indstream.h new file mode 100644 index 0000000..c455862 --- /dev/null +++ b/contrib/libio/indstream.h @@ -0,0 +1,77 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef _INDSTREAM_H +#define _INDSTREAM_H + +#ifdef __GNUG__ +#pragma interface +#endif + +#include <iostream.h> + +extern "C++" { +// An indirectbuf is one that forwards all of its I/O requests +// to another streambuf. +// All get-related requests are sent to get_stream(). +// All put-related requests are sent to put_stream(). + +// An indirectbuf can be used to implement Common Lisp +// synonym-streams and two-way-streams. +// +// class synonymbuf : public indirectbuf { +// Symbol *sym; +// synonymbuf(Symbol *s) { sym = s; } +// virtual streambuf *lookup_stream(int mode) { +// return coerce_to_streambuf(lookup_value(sym)); } +// }; + +class indirectbuf : public streambuf { + protected: + streambuf *_get_stream; // Optional cache for get_stream(). + streambuf *_put_stream; // Optional cache for put_stream(). + int _delete_flags; + public: + streambuf *get_stream() + { return _get_stream ? _get_stream : lookup_stream(ios::in); } + streambuf *put_stream() + { return _put_stream ? _put_stream : lookup_stream(ios::out); } + virtual streambuf *lookup_stream(int/*mode*/) { return NULL; } // ERROR! + indirectbuf(streambuf *get=NULL, streambuf *put=NULL, int delete_mode=0); + virtual ~indirectbuf(); + virtual streamsize xsputn(const char* s, streamsize n); + virtual streamsize xsgetn(char* s, streamsize n); + virtual int underflow(); + virtual int uflow(); + virtual int overflow(int c = EOF); + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out); + virtual int sync(); + virtual int pbackfail(int c); +}; +} // extern "C++" + +#endif /* !_INDSTREAM_H */ diff --git a/contrib/libio/ioassign.cc b/contrib/libio/ioassign.cc new file mode 100644 index 0000000..5b8e68b --- /dev/null +++ b/contrib/libio/ioassign.cc @@ -0,0 +1,49 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1994 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#include <iostream.h> +#include "libioP.h" + +// These method are provided for backward compatibility reasons. +// It's generally poor style to use them. +// They are not supported by the ANSI/ISO working paper. + +_IO_istream_withassign& _IO_istream_withassign::operator=(istream& rhs) +{ + if (&rhs != (istream*)this) + { + init (rhs.rdbuf ()); + _gcount = 0; + } + return *this; +} + +_IO_ostream_withassign& _IO_ostream_withassign::operator=(ostream& rhs) +{ + if (&rhs != (ostream*)this) + init (rhs.rdbuf ()); + return *this; +} diff --git a/contrib/libio/ioextend.cc b/contrib/libio/ioextend.cc new file mode 100644 index 0000000..a31ff36 --- /dev/null +++ b/contrib/libio/ioextend.cc @@ -0,0 +1,132 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <iostream.h> + +static int __xalloc = 0; + +int ios::xalloc() +{ + return __xalloc++; +} + +static ios::fmtflags __used_fmt_flags += ios::skipws | ios::left | ios::right | ios::internal +| ios::dec | ios::oct | ios::hex | ios::showbase | ios::showpoint +| ios::uppercase | ios::showpos | ios::scientific | ios::fixed +#ifndef _IO_NEW_STREAMS +| ios::dont_close +#endif +| ios::unitbuf | ios::stdio; + +ios::fmtflags ios::bitalloc() +{ + fmtflags bit_to_try = (fmtflags)1; + for (; bit_to_try; bit_to_try <<= 1) + { + if ((__used_fmt_flags & bit_to_try) == 0) + { + __used_fmt_flags |= bit_to_try; + return bit_to_try; + } + } + return 0; +} + +// NOTE: This implementation of ios::iword and ios::pword assumes +// that these methods are seldom used, so we want to minimize +// the space and time overhead when NOT using these methods. +// +// ANSI specifies two conceptually-infinite arrays, one whose +// elements are longs, and one whose elements are (void*)s. +// We implement this as a single array, each of whose element is +// a (struct ptr_and_long), which has space for both a long and a void*. +// We also specify that (the i field of) the 0'th element of the array +// contains the allocated length of the array (not counting that +// initial element). + +struct ptr_and_long { + void *p; + long i; +}; + +static struct ptr_and_long& +get_array_element(ios& io, int index) +{ + if (index < 0) + io._throw_failure(); + register struct ptr_and_long *array = (ptr_and_long*)io._arrays; + int old_length = array == NULL ? 0 : array[0].i; + if (index >= old_length) + { + register int i; + int new_length = index + 10; + register struct ptr_and_long *new_array + = new ptr_and_long[1 + new_length]; + if (array != NULL) + { + for (i = 1; i <= old_length; i++) + new_array[i] = array[i]; + delete [] array; + } + for (i = old_length + 1; i <= new_length; i++) + { + new_array[i].i = 0; + new_array[i].p = NULL; + } + new_array[0].i = new_length; + new_array[0].p = NULL; + io._arrays = (void*)new_array; + array = new_array; + } + return array[index+1]; +} + +long& ios::iword(int index) +{ + return get_array_element(*this, index).i; +} + +void*& ios::pword(int index) +{ + return get_array_element(*this, index).p; +} + +long ios::iword(int index) const +{ + if (index < 0) + _throw_failure(); + register struct ptr_and_long *pl_array = (ptr_and_long*)_arrays; + int len = pl_array == NULL ? 0 : pl_array[0].i; + return index >= len ? 0 : pl_array[index+1].i; +} + +void* ios::pword(int index) const +{ + if (index < 0) + _throw_failure(); + register struct ptr_and_long *pl_array = (ptr_and_long*)_arrays; + int len = pl_array == NULL ? 0 : pl_array[0].i; + return index >= len ? 0 : pl_array[index+1].p; +} diff --git a/contrib/libio/iofclose.c b/contrib/libio/iofclose.c new file mode 100644 index 0000000..7db336c --- /dev/null +++ b/contrib/libio/iofclose.c @@ -0,0 +1,60 @@ +/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#ifdef __STDC__ +#include <stdlib.h> +#endif + +int +_IO_fclose (fp) + _IO_FILE *fp; +{ + int status; + + CHECK_FILE(fp, EOF); + + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + if (fp->_IO_file_flags & _IO_IS_FILEBUF) + status = _IO_file_close_it (fp); + else + status = fp->_flags & _IO_ERR_SEEN ? -1 : 0; + _IO_FINISH (fp); + _IO_cleanup_region_end (1); + if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr) + { + fp->_IO_file_flags = 0; + free(fp); + } + + return status; +} + +#ifdef weak_alias +weak_alias (_IO_fclose, fclose) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int fclose (_IO_FILE *) __attribute__ ((weak, alias("_IO_fclose"))); +#endif diff --git a/contrib/libio/iofdopen.c b/contrib/libio/iofdopen.c new file mode 100644 index 0000000..841e703 --- /dev/null +++ b/contrib/libio/iofdopen.c @@ -0,0 +1,134 @@ +/* Copyright (C) 1993, 1994, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#ifdef __STDC__ +#include <stdlib.h> +#endif +#include "libioP.h" +#include <fcntl.h> + +#ifndef _IO_fcntl +#define _IO_fcntl fcntl +#endif + +_IO_FILE * +_IO_fdopen (fd, mode) + int fd; + const char *mode; +{ + int read_write; + int posix_mode = 0; + struct locked_FILE + { + struct _IO_FILE_plus fp; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + } *new_f; + int fd_flags; + + switch (*mode++) + { + case 'r': + read_write = _IO_NO_WRITES; + break; + case 'w': + read_write = _IO_NO_READS; + break; + case 'a': + posix_mode = O_APPEND; + read_write = _IO_NO_READS|_IO_IS_APPENDING; + break; + default: + MAYBE_SET_EINVAL; + return NULL; + } + if (mode[0] == '+' || (mode[0] == 'b' && mode[1] == '+')) + read_write &= _IO_IS_APPENDING; +#ifdef F_GETFL + fd_flags = _IO_fcntl (fd, F_GETFL); +#ifndef O_ACCMODE +#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR) +#endif + if (fd_flags == -1 + || ((fd_flags & O_ACCMODE) == O_RDONLY && !(read_write & _IO_NO_WRITES)) + || ((fd_flags & O_ACCMODE) == O_WRONLY && !(read_write & _IO_NO_READS))) + return NULL; + + /* The May 93 draft of P1003.4/D14.1 (redesignated as 1003.1b) + [System Application Program Interface (API) Amendment 1: + Realtime Extensions], Rationale B.8.3.3 + Open a Stream on a File Descriptor says: + + Although not explicitly required by POSIX.1, a good + implementation of append ("a") mode would cause the + O_APPEND flag to be set. + + (Historical implementations [such as Solaris2] do a one-time + seek in fdopen.) + + However, we do not turn O_APPEND off if the mode is "w" (even + though that would seem consistent) because that would be more + likely to break historical programs. + */ + if ((posix_mode & O_APPEND) && !(fd_flags & O_APPEND)) + { +#ifdef F_SETFL + if (_IO_fcntl (fd, F_SETFL, fd_flags | O_APPEND) == -1) +#endif + return NULL; + } +#endif + + new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); + if (new_f == NULL) + return NULL; +#ifdef _IO_MTSAFE_IO + new_f->fp.file._lock = &new_f->lock; +#endif + _IO_init (&new_f->fp.file, 0); + _IO_JUMPS (&new_f->fp.file) = &_IO_file_jumps; + _IO_file_init (&new_f->fp.file); +#if !_IO_UNIFIED_JUMPTABLES + new_f->fp.vtable = NULL; +#endif + if (_IO_file_attach (&new_f->fp.file, fd) == NULL) + { + _IO_un_link (&new_f->fp.file); + free (new_f); + return NULL; + } + new_f->fp.file._flags &= ~_IO_DELETE_DONT_CLOSE; + + new_f->fp.file._IO_file_flags = + _IO_mask_flags (&new_f->fp.file, read_write, + _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); + + return (_IO_FILE *) &new_f->fp; +} + +#ifdef weak_alias +weak_alias (_IO_fdopen, fdopen) +#endif diff --git a/contrib/libio/iofeof.c b/contrib/libio/iofeof.c new file mode 100644 index 0000000..7bf8cba --- /dev/null +++ b/contrib/libio/iofeof.c @@ -0,0 +1,45 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +_IO_feof (fp) + _IO_FILE* fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_flockfile (fp); + result = _IO_feof_unlocked (fp); + _IO_funlockfile (fp); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_feof, feof) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int feof (_IO_FILE *) __attribute__ ((weak, alias("_IO_feof"))); +#endif diff --git a/contrib/libio/ioferror.c b/contrib/libio/ioferror.c new file mode 100644 index 0000000..3019e79 --- /dev/null +++ b/contrib/libio/ioferror.c @@ -0,0 +1,45 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +_IO_ferror (fp) + _IO_FILE* fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_flockfile (fp); + result = _IO_ferror_unlocked (fp); + _IO_funlockfile (fp); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_ferror, ferror) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int ferror (_IO_FILE *) __attribute__ ((weak, alias("_IO_ferror"))); +#endif diff --git a/contrib/libio/iofflush.c b/contrib/libio/iofflush.c new file mode 100644 index 0000000..540c99d --- /dev/null +++ b/contrib/libio/iofflush.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <stdio.h> + +int +_IO_fflush (fp) + _IO_FILE *fp; +{ + if (fp == NULL) + return _IO_flush_all (); + else + { + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_SYNC (fp) ? EOF : 0; + _IO_cleanup_region_end (1); + return result; + } +} + +#ifdef weak_alias +weak_alias (_IO_fflush, fflush) +#endif diff --git a/contrib/libio/iofflush_u.c b/contrib/libio/iofflush_u.c new file mode 100644 index 0000000..b46ae4a --- /dev/null +++ b/contrib/libio/iofflush_u.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <stdio.h> + +int +fflush_unlocked (fp) + _IO_FILE *fp; +{ + if (fp == NULL) + return _IO_flush_all (); + else + { + CHECK_FILE (fp, EOF); + return _IO_SYNC (fp) ? EOF : 0; + } +} diff --git a/contrib/libio/iofgetpos.c b/contrib/libio/iofgetpos.c new file mode 100644 index 0000000..716be4b --- /dev/null +++ b/contrib/libio/iofgetpos.c @@ -0,0 +1,55 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <errno.h> +/* ANSI explicitly requires setting errno to a positive value on failure. */ + +int +_IO_fgetpos (fp, posp) + _IO_FILE* fp; + _IO_fpos_t *posp; +{ + _IO_fpos_t pos; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0); + _IO_cleanup_region_end (1); + if (pos == _IO_pos_BAD) + { +#ifdef EIO + if (errno == 0) + __set_errno (EIO); +#endif + return EOF; + } + *posp = pos; + return 0; +} + +#ifdef weak_alias +weak_alias (_IO_fgetpos, fgetpos) +#endif diff --git a/contrib/libio/iofgets.c b/contrib/libio/iofgets.c new file mode 100644 index 0000000..74754d5d --- /dev/null +++ b/contrib/libio/iofgets.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <stdio.h> + +char * +_IO_fgets (buf, n, fp) + char *buf; + int n; + _IO_FILE *fp; +{ + _IO_size_t count; + char *result; + CHECK_FILE (fp, NULL); + if (n <= 0) + return NULL; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + count = _IO_getline (fp, buf, n - 1, '\n', 1); + if (count == 0 || (fp->_IO_file_flags & _IO_ERR_SEEN)) + result = NULL; + else + { + buf[count] = '\0'; + result = buf; + } + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_fgets, fgets) +#endif diff --git a/contrib/libio/iofopen.c b/contrib/libio/iofopen.c new file mode 100644 index 0000000..1dbeccb --- /dev/null +++ b/contrib/libio/iofopen.c @@ -0,0 +1,64 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#ifdef __STDC__ +#include <stdlib.h> +#endif + +_IO_FILE * +_IO_fopen (filename, mode) + const char *filename; + const char *mode; +{ + struct locked_FILE + { + struct _IO_FILE_plus fp; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + } *new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); + + if (new_f == NULL) + return NULL; +#ifdef _IO_MTSAFE_IO + new_f->fp.file._lock = &new_f->lock; +#endif + _IO_init (&new_f->fp.file, 0); + _IO_JUMPS (&new_f->fp.file) = &_IO_file_jumps; + _IO_file_init (&new_f->fp.file); +#if !_IO_UNIFIED_JUMPTABLES + new_f->fp.vtable = NULL; +#endif + if (_IO_file_fopen (&new_f->fp.file, filename, mode) != NULL) + return (_IO_FILE *) &new_f->fp; + _IO_un_link (&new_f->fp.file); + free (new_f); + return NULL; +} + +#ifdef weak_alias +weak_alias (_IO_fopen, fopen) +#endif diff --git a/contrib/libio/iofprintf.c b/contrib/libio/iofprintf.c new file mode 100644 index 0000000..4dc9d3f --- /dev/null +++ b/contrib/libio/iofprintf.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +#ifdef __STDC__ +_IO_fprintf (_IO_FILE *fp, const char* format, ...) +#else +_IO_fprintf (fp, format, va_alist) + _IO_FILE *fp; + char *format; + va_dcl +#endif +{ + int ret; + va_list args; + CHECK_FILE (fp, -1); + _IO_va_start (args, format); + ret = _IO_vfprintf (fp, format, args); + va_end (args); + return ret; +} diff --git a/contrib/libio/iofputs.c b/contrib/libio/iofputs.c new file mode 100644 index 0000000..1a329bb --- /dev/null +++ b/contrib/libio/iofputs.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <string.h> + +int +_IO_fputs (str, fp) + const char *str; + _IO_FILE *fp; +{ + _IO_size_t len = strlen (str); + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + if (_IO_sputn (fp, str, len) != len) + result = EOF; + else + result = 1; + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_fputs, fputs) +#endif diff --git a/contrib/libio/iofread.c b/contrib/libio/iofread.c new file mode 100644 index 0000000..c83d2b6 --- /dev/null +++ b/contrib/libio/iofread.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +_IO_size_t +_IO_fread (buf, size, count, fp) + void *buf; + _IO_size_t size; + _IO_size_t count; + _IO_FILE *fp; +{ + _IO_size_t bytes_requested = size*count; + _IO_size_t bytes_read; + CHECK_FILE (fp, 0); + if (bytes_requested == 0) + return 0; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + bytes_read = _IO_sgetn (fp, (char *) buf, bytes_requested); + _IO_cleanup_region_end (1); + return bytes_requested == bytes_read ? count : bytes_read / size; +} + +#ifdef weak_alias +weak_alias (_IO_fread, fread) +#endif diff --git a/contrib/libio/iofscanf.c b/contrib/libio/iofscanf.c new file mode 100644 index 0000000..3e12d9b --- /dev/null +++ b/contrib/libio/iofscanf.c @@ -0,0 +1,48 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +_IO_fscanf +#ifdef __STDC__ + (_IO_FILE *fp, const char* format, ...) +#else +(fp, format, va_alist) _IO_FILE *fp; char *format; va_dcl +#endif +{ + int ret; + va_list args; + CHECK_FILE(fp, EOF); + _IO_va_start(args, format); + ret = _IO_vfscanf(fp, format, args, NULL); + va_end(args); + return ret; +} diff --git a/contrib/libio/iofsetpos.c b/contrib/libio/iofsetpos.c new file mode 100644 index 0000000..a8d816f --- /dev/null +++ b/contrib/libio/iofsetpos.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <libioP.h> +#include <errno.h> + +int +_IO_fsetpos (fp, posp) + _IO_FILE *fp; + const _IO_fpos_t *posp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + if (_IO_seekpos (fp, *posp, _IOS_INPUT|_IOS_OUTPUT) == _IO_pos_BAD) + { + /* ANSI explicitly requires setting errno to a positive value on + failure. */ +#ifdef EIO + if (errno == 0) + __set_errno (EIO); +#endif + result = EOF; + } + else + result = 0; + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_fsetpos, fsetpos) +#endif diff --git a/contrib/libio/ioftell.c b/contrib/libio/ioftell.c new file mode 100644 index 0000000..d8a1ce1 --- /dev/null +++ b/contrib/libio/ioftell.c @@ -0,0 +1,53 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <errno.h> +/* ANSI explicily requires setting errno to a positive value on failure. */ + +long int +_IO_ftell (fp) + _IO_FILE *fp; +{ + _IO_pos_t pos; + CHECK_FILE (fp, -1L); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0); + _IO_cleanup_region_end (1); + if (pos == _IO_pos_BAD) + { +#ifdef EIO + if (errno == 0) + __set_errno (EIO); +#endif + return -1L; + } + return _IO_pos_as_off (pos); +} + +#ifdef weak_alias +weak_alias (_IO_ftell, ftell) +#endif diff --git a/contrib/libio/iofwrite.c b/contrib/libio/iofwrite.c new file mode 100644 index 0000000..5bc525f --- /dev/null +++ b/contrib/libio/iofwrite.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +_IO_size_t +_IO_fwrite (buf, size, count, fp) + const void *buf; + _IO_size_t size; + _IO_size_t count; + _IO_FILE *fp; +{ + _IO_size_t request = size * count; + _IO_size_t written; + CHECK_FILE (fp, 0); + if (request == 0) + return 0; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + written = _IO_sputn (fp, (const char *) buf, request); + _IO_cleanup_region_end (1); + /* Many traditional implementations return 0 if size==0 && count > 0, + but ANSI requires us to return count in this case. */ + if (written == request) + return count; + else + return written / size; +} + +#ifdef weak_alias +weak_alias (_IO_fwrite, fwrite) +#endif diff --git a/contrib/libio/iogetc.c b/contrib/libio/iogetc.c new file mode 100644 index 0000000..6a11e47 --- /dev/null +++ b/contrib/libio/iogetc.c @@ -0,0 +1,50 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef _IO_getc + +int +_IO_getc (fp) + _IO_FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_getc_unlocked (fp); + _IO_cleanup_region_end (1); + return result; +} + +#undef getc + +#ifdef weak_alias +weak_alias (_IO_getc, getc) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int getc (_IO_FILE *) __attribute__ ((weak, alias("_IO_getc"))); +#endif diff --git a/contrib/libio/iogetdelim.c b/contrib/libio/iogetdelim.c new file mode 100644 index 0000000..50918b3 --- /dev/null +++ b/contrib/libio/iogetdelim.c @@ -0,0 +1,125 @@ +/* Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#ifdef __STDC__ +#include <stdlib.h> +#endif +#include "libioP.h" +#include <string.h> +#include <errno.h> + +/* Read up to (and including) a TERMINATOR from FP into *LINEPTR + (and null-terminate it). *LINEPTR is a pointer returned from malloc (or + NULL), pointing to *N characters of space. It is realloc'ed as + necessary. Returns the number of characters read (not including the + null terminator), or -1 on error or EOF. */ + +_IO_ssize_t +_IO_getdelim (lineptr, n, delimiter, fp) + char **lineptr; + _IO_size_t *n; + int delimiter; + _IO_FILE *fp; +{ + int result; + _IO_ssize_t cur_len = 0; + _IO_ssize_t len; + + if (lineptr == NULL || n == NULL) + { + MAYBE_SET_EINVAL; + return -1; + } + CHECK_FILE (fp, -1); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + if (_IO_ferror_unlocked (fp)) + { + result = -1; + goto unlock_return; + } + + if (*lineptr == NULL || *n == 0) + { + *n = 120; + *lineptr = (char *) malloc (*n); + if (*lineptr == NULL) + { + result = -1; + goto unlock_return; + } + } + + len = fp->_IO_read_end - fp->_IO_read_ptr; + if (len <= 0) + { + if (__underflow (fp) == EOF) + { + result = -1; + goto unlock_return; + } + len = fp->_IO_read_end - fp->_IO_read_ptr; + } + + for (;;) + { + _IO_size_t needed; + char *t; + t = (char *) memchr ((void *) fp->_IO_read_ptr, delimiter, len); + if (t != NULL) + len = (t - fp->_IO_read_ptr) + 1; + /* Make enough space for len+1 (for final NUL) bytes. */ + needed = cur_len + len + 1; + if (needed > *n) + { + if (needed < 2 * *n) + needed = 2 * *n; /* Be generous. */ + *n = needed; + *lineptr = (char *) realloc (*lineptr, needed); + if (*lineptr == NULL) + { + result = -1; + goto unlock_return; + } + } + memcpy (*lineptr + cur_len, (void *) fp->_IO_read_ptr, len); + fp->_IO_read_ptr += len; + cur_len += len; + if (t != NULL || __underflow (fp) == EOF) + break; + len = fp->_IO_read_end - fp->_IO_read_ptr; + } + (*lineptr)[cur_len] = '\0'; + result = cur_len; + +unlock_return: + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_getdelim, __getdelim) +weak_alias (_IO_getdelim, getdelim) +#endif diff --git a/contrib/libio/iogetline.c b/contrib/libio/iogetline.c new file mode 100644 index 0000000..5aac9b5 --- /dev/null +++ b/contrib/libio/iogetline.c @@ -0,0 +1,112 @@ +/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <string.h> + +#if defined(_LIBC) || !_G_HAVE_IO_GETLINE_INFO + +_IO_size_t +_IO_getline (fp, buf, n, delim, extract_delim) + _IO_FILE *fp; + char *buf; + _IO_size_t n; + int delim; + int extract_delim; +{ + return _IO_getline_info (fp, buf, n, delim, extract_delim, (int *) 0); +} + +/* Algorithm based on that used by Berkeley pre-4.4 fgets implementation. + + Read chars into buf (of size n), until delim is seen. + Return number of chars read (at most n). + Does not put a terminating '\0' in buf. + If extract_delim < 0, leave delimiter unread. + If extract_delim > 0, insert delim in output. */ + +_IO_size_t +_IO_getline_info (fp, buf, n, delim, extract_delim, eof) + _IO_FILE *fp; + char *buf; + _IO_size_t n; + int delim; + int extract_delim; + int *eof; +{ + char *ptr = buf; + if (eof) *eof = 0; + while (n != 0) + { + _IO_ssize_t len = fp->_IO_read_end - fp->_IO_read_ptr; + if (len <= 0) + { + int c = __uflow (fp); + if (c == EOF) + { + if (eof) *eof = c; + break; + } + if (c == delim) + { + if (extract_delim > 0) + *ptr++ = c; + else if (extract_delim < 0) + _IO_sputbackc (fp, c); + return ptr - buf; + } + *ptr++ = c; + n--; + } + else + { + char *t; + if ((_IO_size_t) len >= n) + len = n; + t = (char *) memchr ((void *) fp->_IO_read_ptr, delim, len); + if (t != NULL) + { + _IO_size_t old_len = ptr-buf; + len = t - fp->_IO_read_ptr; + if (extract_delim >= 0) + { + ++t; + if (extract_delim > 0) + ++len; + } + memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); + fp->_IO_read_ptr = t; + return old_len + len; + } + memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); + fp->_IO_read_ptr += len; + ptr += len; + n -= len; + } + } + return ptr - buf; +} + +#endif /* Defined(_LIBC) || !_G_HAVE_IO_GETLINE_INFO */ diff --git a/contrib/libio/iogets.c b/contrib/libio/iogets.c new file mode 100644 index 0000000..9e88ca1 --- /dev/null +++ b/contrib/libio/iogets.c @@ -0,0 +1,71 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <limits.h> + +char* +_IO_gets (buf) + char *buf; +{ + _IO_size_t count; + int ch; + char *retval; + + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _IO_stdin); + _IO_flockfile (_IO_stdin); + ch = _IO_getc_unlocked (_IO_stdin); + if (ch == EOF) + { + retval = NULL; + goto unlock_return; + } + if (ch == '\n') + count = 0; + else + { + buf[0] = (char) ch; + count = _IO_getline (_IO_stdin, buf + 1, INT_MAX, '\n', 0) + 1; + if (_IO_stdin->_IO_file_flags & _IO_ERR_SEEN) + { + retval = NULL; + goto unlock_return; + } + } + buf[count] = 0; + retval = buf; +unlock_return: + _IO_cleanup_region_end (1); + return retval; +} + +#ifdef weak_alias +weak_alias (_IO_gets, gets) +#endif + +#ifdef _LIBC +link_warning (gets, "the `gets' function is dangerous and should not be used.") +#endif diff --git a/contrib/libio/ioignore.c b/contrib/libio/ioignore.c new file mode 100644 index 0000000..ac0678e --- /dev/null +++ b/contrib/libio/ioignore.c @@ -0,0 +1,47 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +int +_IO_ignore (fp, n) + _IO_FILE *fp; + _IO_size_t n; +{ + register _IO_size_t more = n; + for (;;) + { + _IO_ssize_t count = fp->_IO_read_end - fp->_IO_read_ptr; + if (count > 0) + { + if (count > more) + count = more; + fp->_IO_read_ptr += count; + more -= count; + } + if (more == 0 || __underflow(fp) == EOF) + break; + } + return n - more; +} diff --git a/contrib/libio/iolibio.h b/contrib/libio/iolibio.h new file mode 100644 index 0000000..083b198 --- /dev/null +++ b/contrib/libio/iolibio.h @@ -0,0 +1,63 @@ +#include "libio.h" + +/* These emulate stdio functionality, but with a different name + (_IO_ungetc instead of ungetc), and using _IO_FILE instead of FILE. */ + +#ifdef __cplusplus +extern "C" { +#endif + +extern int _IO_fclose __P((_IO_FILE*)); +extern _IO_FILE *_IO_fdopen __P((int, const char*)); +extern int _IO_fflush __P((_IO_FILE*)); +extern int _IO_fgetpos __P((_IO_FILE*, _IO_fpos_t*)); +extern char* _IO_fgets __P((char*, int, _IO_FILE*)); +extern _IO_FILE *_IO_fopen __P((const char*, const char*)); +extern int _IO_fprintf __P((_IO_FILE*, const char*, ...)); +extern int _IO_fputs __P((const char*, _IO_FILE*)); +extern int _IO_fsetpos __P((_IO_FILE*, const _IO_fpos_t *)); +extern long int _IO_ftell __P((_IO_FILE*)); +extern _IO_size_t _IO_fread __P((void*, _IO_size_t, _IO_size_t, _IO_FILE*)); +extern _IO_size_t _IO_fwrite __P((const void*, + _IO_size_t, _IO_size_t, _IO_FILE*)); +extern char* _IO_gets __P((char*)); +extern void _IO_perror __P((const char*)); +extern int _IO_printf __P((const char*, ...)); +extern int _IO_puts __P((const char*)); +extern int _IO_scanf __P((const char*, ...)); +extern void _IO_setbuffer __P((_IO_FILE *, char*, _IO_size_t)); +extern int _IO_setvbuf __P((_IO_FILE*, char*, int, _IO_size_t)); +extern int _IO_sscanf __P((const char*, const char*, ...)); +extern int _IO_sprintf __P((char *, const char*, ...)); +extern int _IO_ungetc __P((int, _IO_FILE*)); +extern int _IO_vsscanf __P((const char *, const char *, _IO_va_list)); +extern int _IO_vsprintf __P((char*, const char*, _IO_va_list)); + +struct obstack; +extern int _IO_obstack_vprintf __P ((struct obstack *, const char *, + _IO_va_list)); +extern int _IO_obstack_printf __P ((struct obstack *, const char *, ...)); +#ifndef _IO_pos_BAD +#define _IO_pos_BAD ((_IO_fpos_t)(-1)) +#endif +#define _IO_clearerr(FP) ((FP)->_flags &= ~(_IO_ERR_SEEN|_IO_EOF_SEEN)) +#define _IO_fseek(__fp, __offset, __whence) \ + (_IO_seekoff(__fp, __offset, __whence, _IOS_INPUT|_IOS_OUTPUT) == _IO_pos_BAD ? EOF : 0) +#define _IO_rewind(FILE) (void)_IO_seekoff(FILE, 0, 0, _IOS_INPUT|_IOS_OUTPUT) +#define _IO_vprintf(FORMAT, ARGS) _IO_vfprintf(_IO_stdout, FORMAT, ARGS) +#if _G_IO_IO_FILE_VERSION == 0x20001 +#define _IO_freopen(FILENAME, MODE, FP) \ + (_IO_file_close_it(FP), _IO_file_fopen(FP, FILENAME, MODE, 0)) +#else +#define _IO_freopen(FILENAME, MODE, FP) \ + (_IO_file_close_it(FP), _IO_file_fopen(FP, FILENAME, MODE)) +#endif +#define _IO_fileno(FP) ((FP)->_fileno) +extern _IO_FILE* _IO_popen __P((const char*, const char*)); +#define _IO_pclose _IO_fclose +#define _IO_setbuf(_FP, _BUF) _IO_setbuffer(_FP, _BUF, _IO_BUFSIZ) +#define _IO_setlinebuf(_FP) _IO_setvbuf(_FP, NULL, 1, 0) + +#ifdef __cplusplus +} +#endif diff --git a/contrib/libio/iomanip.cc b/contrib/libio/iomanip.cc new file mode 100644 index 0000000..fddba55 --- /dev/null +++ b/contrib/libio/iomanip.cc @@ -0,0 +1,90 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifdef __GNUG__ +#pragma implementation +#endif + +#include "iomanip.h" + + +// Those functions are called through a pointer, +// thus it does not make sense, to inline them. + +ios & __iomanip_setbase (ios& i, int n) +{ + ios::fmtflags b; + switch (n) + { + case 8: + b = ios::oct; break; + case 10: + b = ios::dec; break; + case 16: + b = ios::hex; break; + default: + b = 0; + } + i.setf(b, ios::basefield); + return i; +} + +ios & __iomanip_setfill (ios& i, int n) +{ + //FIXME if ( i.flags() & ios::widechar ) + i.fill( (char) n); + //FIXME else + //FIXME i.fill( (wchar) n); + return i; +} + +ios & __iomanip_setprecision (ios& i, int n) +{ + i.precision(n); + return i; +} +ios & __iomanip_setw (ios& i, int n) +{ + i.width(n); + return i; +} + +ios & __iomanip_setiosflags (ios& i, ios::fmtflags n) +{ + i.setf(n,n); + return i; +} + +ios & __iomanip_resetiosflags (ios& i, ios::fmtflags n) +{ + i.setf(0,n); + return i; +} + +template class smanip<int>; +template class smanip<ios::fmtflags>; +template istream& operator>>(istream&, const smanip<int>&); +template istream& operator>>(istream&, const smanip<ios::fmtflags>&); +template ostream& operator<<(ostream&, const smanip<int>&); +template ostream& operator<<(ostream&, const smanip<ios::fmtflags>&); diff --git a/contrib/libio/iomanip.h b/contrib/libio/iomanip.h new file mode 100644 index 0000000..d80e98e --- /dev/null +++ b/contrib/libio/iomanip.h @@ -0,0 +1,176 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _IOMANIP_H +#ifdef __GNUG__ +#pragma interface +#endif +#define _IOMANIP_H + +#include <iostream.h> + +extern "C++" { +//----------------------------------------------------------------------------- +// Parametrized Manipulators as specified by ANSI draft +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +// Stream Manipulators +//----------------------------------------------------------------------------- +// +template<class TP> class smanip; // TP = Type Param + +template<class TP> class sapp { + ios& (*_f)(ios&, TP); +public: + sapp(ios& (*f)(ios&, TP)) : _f(f) {} + // + smanip<TP> operator()(TP a) + { return smanip<TP>(_f, a); } +}; + +template<class TP> +inline istream& operator>>(istream& i, const smanip<TP>& m); +template<class TP> +inline ostream& operator<<(ostream& o, const smanip<TP>& m); + +template <class TP> class smanip { + ios& (*_f)(ios&, TP); + TP _a; +public: + smanip(ios& (*f)(ios&, TP), TP a) : _f(f), _a(a) {} + // + friend + istream& operator>> <>(istream& i, const smanip<TP>& m); + friend + ostream& operator<< <>(ostream& o, const smanip<TP>& m); +}; + +#ifdef __GNUG__ +extern template class smanip<int>; +extern template class smanip<ios::fmtflags>; +#endif + +template<class TP> +inline istream& operator>>(istream& i, const smanip<TP>& m) +{ (*m._f)(i, m._a); return i; } + +template<class TP> +inline ostream& operator<<(ostream& o, const smanip<TP>& m) +{ (*m._f)(o, m._a); return o;} + +#ifdef __GNUG__ +extern template istream& operator>>(istream&, const smanip<int>&); +extern template istream& operator>>(istream&, const smanip<ios::fmtflags>&); +extern template ostream& operator<<(ostream&, const smanip<int>&); +extern template ostream& operator<<(ostream&, const smanip<ios::fmtflags>&); +#endif + +//----------------------------------------------------------------------------- +// Input-Stream Manipulators +//----------------------------------------------------------------------------- +// +template<class TP> class imanip; + +template<class TP> class iapp { + istream& (*_f)(istream&, TP); +public: + iapp(istream& (*f)(istream&,TP)) : _f(f) {} + // + imanip<TP> operator()(TP a) + { return imanip<TP>(_f, a); } +}; + +template <class TP> +inline istream& operator>>(istream&, const imanip<TP>&); + +template <class TP> class imanip { + istream& (*_f)(istream&, TP); + TP _a; +public: + imanip(istream& (*f)(istream&, TP), TP a) : _f(f), _a(a) {} + // + friend + istream& operator>> <>(istream& i, const imanip<TP>& m); +}; + +template <class TP> +inline istream& operator>>(istream& i, const imanip<TP>& m) +{ return (*m._f)( i, m._a); } + +//----------------------------------------------------------------------------- +// Output-Stream Manipulators +//----------------------------------------------------------------------------- +// +template<class TP> class omanip; + +template<class TP> class oapp { + ostream& (*_f)(ostream&, TP); +public: + oapp(ostream& (*f)(ostream&,TP)) : _f(f) {} + // + omanip<TP> operator()(TP a) + { return omanip<TP>(_f, a); } +}; + +template <class TP> +inline ostream& operator<<(ostream&, const omanip<TP>&); + +template <class TP> class omanip { + ostream& (*_f)(ostream&, TP); + TP _a; +public: + omanip(ostream& (*f)(ostream&, TP), TP a) : _f(f), _a(a) {} + // + friend + ostream& operator<< <>(ostream& o, const omanip<TP>& m); +}; + +template <class TP> +inline ostream& operator<<(ostream& o, const omanip<TP>& m) +{ return (*m._f)(o, m._a); } + +//----------------------------------------------------------------------------- +// Available Manipulators +//----------------------------------------------------------------------------- + +// +// Macro to define an iomanip function, with one argument +// The underlying function is `__iomanip_<name>' +// +#define __DEFINE_IOMANIP_FN1(type,param,function) \ + extern ios& __iomanip_##function (ios&, param); \ + inline type<param> function (param n) \ + { return type<param> (__iomanip_##function, n); } + +__DEFINE_IOMANIP_FN1( smanip, int, setbase) +__DEFINE_IOMANIP_FN1( smanip, int, setfill) +__DEFINE_IOMANIP_FN1( smanip, int, setprecision) +__DEFINE_IOMANIP_FN1( smanip, int, setw) + +__DEFINE_IOMANIP_FN1( smanip, ios::fmtflags, resetiosflags) +__DEFINE_IOMANIP_FN1( smanip, ios::fmtflags, setiosflags) +} // extern "C++" + +#endif /*!_IOMANIP_H*/ diff --git a/contrib/libio/iopadn.c b/contrib/libio/iopadn.c new file mode 100644 index 0000000..087715b --- /dev/null +++ b/contrib/libio/iopadn.c @@ -0,0 +1,70 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +#define PADSIZE 16 +static char const blanks[PADSIZE] = +{' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '}; +static char const zeroes[PADSIZE] = +{'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'}; + +_IO_ssize_t +_IO_padn (fp, pad, count) + _IO_FILE *fp; + int pad; + _IO_ssize_t count; +{ + char padbuf[PADSIZE]; + const char *padptr; + int i; + _IO_size_t written = 0; + _IO_size_t w; + + if (pad == ' ') + padptr = blanks; + else if (pad == '0') + padptr = zeroes; + else + { + for (i = PADSIZE; --i >= 0; ) + padbuf[i] = pad; + padptr = padbuf; + } + for (i = count; i >= PADSIZE; i -= PADSIZE) + { + w = _IO_sputn (fp, padptr, PADSIZE); + written += w; + if (w != PADSIZE) + return written; + } + + if (i > 0) + { + w = _IO_sputn (fp, padptr, i); + written += w; + } + return written; +} diff --git a/contrib/libio/ioperror.c b/contrib/libio/ioperror.c new file mode 100644 index 0000000..7ca72b0 --- /dev/null +++ b/contrib/libio/ioperror.c @@ -0,0 +1,22 @@ +#include "libioP.h" +#include <errno.h> +#include <string.h> +#ifndef errno +extern int errno; +#endif + +#ifndef _IO_strerror +extern char* _IO_strerror __P((int)); +#endif + +void +_IO_perror (s) + const char *s; +{ + char *error = _IO_strerror (errno); + + if (s != NULL && *s != '\0') + _IO_fprintf (_IO_stderr, "%s:", s); + + _IO_fprintf (_IO_stderr, "%s\n", error ? error : ""); +} diff --git a/contrib/libio/iopopen.c b/contrib/libio/iopopen.c new file mode 100644 index 0000000..59d4fc3 --- /dev/null +++ b/contrib/libio/iopopen.c @@ -0,0 +1,251 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + Written by Per Bothner <bothner@cygnus.com>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#ifndef _POSIX_SOURCE +# define _POSIX_SOURCE +#endif +#include "libioP.h" +#if _IO_HAVE_SYS_WAIT +#include <signal.h> +#include <unistd.h> +#ifdef __STDC__ +#include <stdlib.h> +#endif +#ifdef _LIBC +# include <unistd.h> +#endif +#include <sys/types.h> +#include <sys/wait.h> + +#ifndef _IO_fork +#define _IO_fork vfork /* defined in libiberty, if needed */ +extern _IO_pid_t _IO_fork __P ((void)); +#endif + +#endif /* _IO_HAVE_SYS_WAIT */ + +#ifndef _IO_pipe +#define _IO_pipe pipe +extern int _IO_pipe __P ((int des[2])); +#endif + +#ifndef _IO_dup2 +#define _IO_dup2 dup2 +extern int _IO_dup2 __P ((int fd, int fd2)); +#endif + +#ifndef _IO_waitpid +#define _IO_waitpid waitpid +#endif + +#ifndef _IO_execl +#define _IO_execl execl +#endif +#ifndef _IO__exit +#define _IO__exit _exit +#endif + +#ifndef _IO_close +#define _IO_close close +#endif + +struct _IO_proc_file +{ + struct _IO_FILE_plus file; + /* Following fields must match those in class procbuf (procbuf.h) */ + _IO_pid_t pid; + struct _IO_proc_file *next; +}; +typedef struct _IO_proc_file _IO_proc_file; + +static struct _IO_proc_file *proc_file_chain = NULL; + +_IO_FILE * +_IO_proc_open (fp, command, mode) + _IO_FILE *fp; + const char *command; + const char *mode; +{ +#if _IO_HAVE_SYS_WAIT + volatile int read_or_write; + volatile int parent_end, child_end; + int pipe_fds[2]; + _IO_pid_t child_pid; + if (_IO_file_is_open (fp)) + return NULL; + if (_IO_pipe (pipe_fds) < 0) + return NULL; + if (mode[0] == 'r') + { + parent_end = pipe_fds[0]; + child_end = pipe_fds[1]; + read_or_write = _IO_NO_WRITES; + } + else + { + parent_end = pipe_fds[1]; + child_end = pipe_fds[0]; + read_or_write = _IO_NO_READS; + } + ((_IO_proc_file *) fp)->pid = child_pid = _IO_fork (); + if (child_pid == 0) + { + int child_std_end = mode[0] == 'r' ? 1 : 0; + _IO_close (parent_end); + if (child_end != child_std_end) + { + _IO_dup2 (child_end, child_std_end); + _IO_close (child_end); + } + /* POSIX.2: "popen() shall ensure that any streams from previous + popen() calls that remain open in the parent process are closed + in the new child process." */ + while (proc_file_chain) + { + _IO_close (_IO_fileno ((_IO_FILE *) proc_file_chain)); + proc_file_chain = proc_file_chain->next; + } + + _IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0); + _IO__exit (127); + } + _IO_close (child_end); + if (child_pid < 0) + { + _IO_close (parent_end); + return NULL; + } + _IO_fileno (fp) = parent_end; + + /* Link into proc_file_chain. */ + ((_IO_proc_file *) fp)->next = proc_file_chain; + proc_file_chain = (_IO_proc_file *) fp; + + _IO_mask_flags (fp, read_or_write, _IO_NO_READS|_IO_NO_WRITES); + return fp; +#else /* !_IO_HAVE_SYS_WAIT */ + return NULL; +#endif +} + +_IO_FILE * +_IO_popen (command, mode) + const char *command; + const char *mode; +{ + struct locked_FILE + { + struct _IO_proc_file fpx; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + } *new_f; + _IO_FILE *fp; + + new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); + if (new_f == NULL) + return NULL; +#ifdef _IO_MTSAFE_IO + new_f->fpx.file.file._lock = &new_f->lock; +#endif + fp = (_IO_FILE*)&new_f->fpx; + _IO_init (fp, 0); + _IO_JUMPS (fp) = &_IO_proc_jumps; + _IO_file_init (fp); +#if !_IO_UNIFIED_JUMPTABLES + ((struct _IO_FILE_plus *) fp)->vtable = NULL; +#endif + if (_IO_proc_open (fp, command, mode) != NULL) + return fp; + free (new_f); + return NULL; +} + +#ifdef strong_alias +strong_alias (_IO_popen, popen); +#endif + +int +_IO_proc_close (fp) + _IO_FILE *fp; +{ + /* This is not name-space clean. FIXME! */ +#if _IO_HAVE_SYS_WAIT + int wstatus; + _IO_proc_file **ptr = &proc_file_chain; + _IO_pid_t wait_pid; + int status = -1; + + /* Unlink from proc_file_chain. */ + for ( ; *ptr != NULL; ptr = &(*ptr)->next) + { + if (*ptr == (_IO_proc_file *) fp) + { + *ptr = (*ptr)->next; + status = 0; + break; + } + } + + if (status < 0 || _IO_close (_IO_fileno(fp)) < 0) + return -1; + /* POSIX.2 Rationale: "Some historical implementations either block + or ignore the signals SIGINT, SIGQUIT, and SIGHUP while waiting + for the child process to terminate. Since this behavior is not + described in POSIX.2, such implementations are not conforming." */ + do + { + wait_pid = _IO_waitpid (((_IO_proc_file *) fp)->pid, &wstatus, 0); + } + while (wait_pid == -1 && errno == EINTR); + if (wait_pid == -1) + return -1; + return wstatus; +#else /* !_IO_HAVE_SYS_WAIT */ + return -1; +#endif +} + +struct _IO_jump_t _IO_proc_jumps = { + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_file_finish), + JUMP_INIT(overflow, _IO_file_overflow), + JUMP_INIT(underflow, _IO_file_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_default_pbackfail), + JUMP_INIT(xsputn, _IO_file_xsputn), + JUMP_INIT(xsgetn, _IO_default_xsgetn), + JUMP_INIT(seekoff, _IO_file_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, _IO_file_setbuf), + JUMP_INIT(sync, _IO_file_sync), + JUMP_INIT(doallocate, _IO_file_doallocate), + JUMP_INIT(read, _IO_file_read), + JUMP_INIT(write, _IO_file_write), + JUMP_INIT(seek, _IO_file_seek), + JUMP_INIT(close, _IO_proc_close), + JUMP_INIT(stat, _IO_file_stat) +}; diff --git a/contrib/libio/ioprims.c b/contrib/libio/ioprims.c new file mode 100644 index 0000000..e3e0d7e --- /dev/null +++ b/contrib/libio/ioprims.c @@ -0,0 +1,80 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* I/O OS-level primitives. + Needs to be replaced if not using Unix. + Also needs to be replaced if avoiding name-space pollution + (in which case read would be defined in terms of _IO_read, + rather than vice versa). */ + +#include "libioP.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +#ifdef TODO +/* Add open, isatty */ +#endif + +_IO_ssize_t +_IO_read (fildes, buf, nbyte) + int fildes; + void *buf; + _IO_size_t nbyte; +{ + return read (fildes, buf, nbyte); +} + +_IO_ssize_t +_IO_write (fildes, buf, nbyte) + int fildes; + const void *buf; + _IO_size_t nbyte; +{ + return write (fildes, buf, nbyte); +} + +_IO_off_t +_IO_lseek (fildes, offset, whence) + int fildes; + _IO_off_t offset; + int whence; +{ + return lseek (fildes, offset, whence); +} + +int +_IO_close (fildes) + int fildes; +{ + return close (fildes); +} + +int +_IO_fstat (fildes, buf) + int fildes; + struct stat *buf; +{ + return fstat (fildes, buf); +} diff --git a/contrib/libio/ioprintf.c b/contrib/libio/ioprintf.c new file mode 100644 index 0000000..0b99c2a --- /dev/null +++ b/contrib/libio/ioprintf.c @@ -0,0 +1,47 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +_IO_printf +#ifdef __STDC__ + (const char* format, ...) +#else +(format, va_alist) char *format; va_dcl +#endif +{ + int ret; + va_list args; + _IO_va_start(args, format); + ret = _IO_vfprintf(_IO_stdout, format, args); + va_end(args); + return ret; +} diff --git a/contrib/libio/ioputc.c b/contrib/libio/ioputc.c new file mode 100644 index 0000000..38a3ec9 --- /dev/null +++ b/contrib/libio/ioputc.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +#undef _IO_putc + +int +_IO_putc (c, fp) + int c; + _IO_FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_putc_unlocked (c, fp); + _IO_cleanup_region_end (1); + return result; +} + +#undef putc + +#ifdef weak_alias +weak_alias (_IO_putc, putc) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int putc (int, _IO_FILE *) __attribute__ ((weak, alias("_IO_putc"))); +#endif diff --git a/contrib/libio/ioputs.c b/contrib/libio/ioputs.c new file mode 100644 index 0000000..ab5e6aa --- /dev/null +++ b/contrib/libio/ioputs.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include <string.h> + +int +_IO_puts (str) + const char *str; +{ + int result; + _IO_size_t len = strlen (str); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _IO_stdout); + _IO_flockfile (_IO_stdout); + if (_IO_sputn (_IO_stdout, str, len) == len + && _IO_putc_unlocked ('\n', _IO_stdout) != EOF) + result = len + 1; + else + result = EOF; + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_puts, puts) +#endif diff --git a/contrib/libio/ioscanf.c b/contrib/libio/ioscanf.c new file mode 100644 index 0000000..405d1e2 --- /dev/null +++ b/contrib/libio/ioscanf.c @@ -0,0 +1,47 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +_IO_scanf +#ifdef __STDC__ + (const char* format, ...) +#else +(format, va_alist) char *format; va_dcl +#endif +{ + int ret; + va_list args; + _IO_va_start(args, format); + ret = _IO_vfscanf(_IO_stdin, format, args, NULL); + va_end(args); + return ret; +} diff --git a/contrib/libio/ioseekoff.c b/contrib/libio/ioseekoff.c new file mode 100644 index 0000000..b1c4729 --- /dev/null +++ b/contrib/libio/ioseekoff.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <libioP.h> + +_IO_pos_t +_IO_seekoff (fp, offset, dir, mode) + _IO_FILE *fp; + _IO_off_t offset; + int dir; + int mode; +{ + _IO_pos_t retval; + + /* If we have a backup buffer, get rid of it, since the __seekoff + callback may not know to do the right thing about it. + This may be over-kill, but it'll do for now. TODO */ + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + + + if (_IO_have_backup (fp)) + { + if (dir == _IO_seek_cur && _IO_in_backup (fp)) + offset -= fp->_IO_read_end - fp->_IO_read_ptr; + _IO_free_backup_area (fp); + } + retval = _IO_SEEKOFF (fp, offset, dir, mode); + + _IO_cleanup_region_end (1); + return retval; +} diff --git a/contrib/libio/ioseekpos.c b/contrib/libio/ioseekpos.c new file mode 100644 index 0000000..2ce0c22 --- /dev/null +++ b/contrib/libio/ioseekpos.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <libioP.h> + +_IO_pos_t +_IO_seekpos (fp, pos, mode) + _IO_FILE *fp; + _IO_pos_t pos; + int mode; +{ + _IO_pos_t retval; + + /* If we have a backup buffer, get rid of it, since the __seekoff + callback may not know to do the right thing about it. + This may be over-kill, but it'll do for now. TODO */ + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + + if (_IO_have_backup (fp)) + _IO_free_backup_area (fp); + retval = _IO_SEEKPOS (fp, pos, mode); + + _IO_cleanup_region_end (1); + return retval; +} diff --git a/contrib/libio/iosetbuffer.c b/contrib/libio/iosetbuffer.c new file mode 100644 index 0000000..f140a9a --- /dev/null +++ b/contrib/libio/iosetbuffer.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +void +_IO_setbuffer (fp, buf, size) + _IO_FILE *fp; + char *buf; + _IO_size_t size; +{ + CHECK_FILE (fp, ); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + fp->_flags &= ~_IO_LINE_BUF; + if (!buf) + size = 0; + (void) _IO_SETBUF (fp, buf, size); + _IO_cleanup_region_end (1); +} + +#ifdef weak_alias +weak_alias (_IO_setbuffer, setbuffer) +#endif diff --git a/contrib/libio/iosetvbuf.c b/contrib/libio/iosetvbuf.c new file mode 100644 index 0000000..65eeea5 --- /dev/null +++ b/contrib/libio/iosetvbuf.c @@ -0,0 +1,100 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +#define _IOFBF 0 /* Fully buffered. */ +#define _IOLBF 1 /* Line buffered. */ +#define _IONBF 2 /* No buffering. */ + +int +_IO_setvbuf (fp, buf, mode, size) + _IO_FILE *fp; + char *buf; + int mode; + _IO_size_t size; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + switch (mode) + { + case _IOFBF: + fp->_IO_file_flags &= ~_IO_LINE_BUF|_IO_UNBUFFERED; + if (buf == NULL) + { + if (fp->_IO_buf_base == NULL) + { + /* There is no flag to distinguish between "fully buffered + mode has been explicitly set" as opposed to "line + buffering has not been explicitly set". In both + cases, _IO_LINE_BUF is off. If this is a tty, and + _IO_filedoalloc later gets called, it cannot know if + it should set the _IO_LINE_BUF flag (because that is + the default), or not (because we have explicitly asked + for fully buffered mode). So we make sure a buffer + gets allocated now, and explicitly turn off line + buffering. + + A possibly cleaner alternative would be to add an + extra flag, but then flags are a finite resource. */ + if (_IO_DOALLOCATE (fp) < 0) + { + result = EOF; + goto unlock_return; + } + fp->_IO_file_flags &= ~_IO_LINE_BUF; + } + result = 0; + goto unlock_return; + } + break; + case _IOLBF: + fp->_IO_file_flags &= ~_IO_UNBUFFERED; + fp->_IO_file_flags |= _IO_LINE_BUF; + if (buf == NULL) + { + result = 0; + goto unlock_return; + } + break; + case _IONBF: + buf = NULL; + size = 0; + break; + default: + result = EOF; + goto unlock_return; + } + result = _IO_SETBUF (fp, buf, size) == NULL ? EOF : 0; +unlock_return: + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_setvbuf, setvbuf) +#endif diff --git a/contrib/libio/iosprintf.c b/contrib/libio/iosprintf.c new file mode 100644 index 0000000..704a6db --- /dev/null +++ b/contrib/libio/iosprintf.c @@ -0,0 +1,50 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +#ifdef __STDC__ +_IO_sprintf (char *string, const char* format, ...) +#else +_IO_sprintf (string, format, va_alist) + char *string; + char *format; + va_dcl +#endif +{ + int ret; + va_list args; + _IO_va_start (args, format); + ret = _IO_vsprintf (string, format, args); + va_end (args); + return ret; +} diff --git a/contrib/libio/iosscanf.c b/contrib/libio/iosscanf.c new file mode 100644 index 0000000..5886877 --- /dev/null +++ b/contrib/libio/iosscanf.c @@ -0,0 +1,47 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +_IO_sscanf +#ifdef __STDC__ + (const char * string, const char* format, ...) +#else +(string, format, va_alist) char *string; char *format; va_dcl +#endif +{ + int ret; + va_list args; + _IO_va_start(args, format); + ret = _IO_vsscanf(string, format, args); + va_end(args); + return ret; +} diff --git a/contrib/libio/iostdio.h b/contrib/libio/iostdio.h new file mode 100644 index 0000000..9ed47a4 --- /dev/null +++ b/contrib/libio/iostdio.h @@ -0,0 +1,114 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* This file defines a stdio-like environment, except that it avoid + link-time name clashes with an existing stdio. + It allows for testing the libio using stdio-using programs + with an incompatible libc.a. + It is not predantically correct - e.g. some macros are used + that may evaluate a stream argument more than once. */ + +#ifndef _IOSTDIO_H +#define _IOSTDIO_H + +#include "iolibio.h" + +typedef _IO_FILE FILE; +#ifndef EOF +#define EOF (-1) +#endif +#ifndef BUFSIZ +#define BUFSIZ 1024 +#endif + +/* #define size_t, fpos_t L_tmpname TMP_MAX */ + +#define _IOFBF 0 /* Fully buffered. */ +#define _IOLBF 1 /* Line buffered. */ +#define _IONBF 2 /* No buffering. */ + +#define SEEK_SET 0 +#define SEEK_CUR 1 +#define SEEK_END 2 + +#define stdin _IO_stdin +#define stdout _IO_stdout +#define stderr _IO_stderr + +#define getc(_fp) _IO_getc(_fp) +#define putc(_ch, _fp) _IO_putc(_ch, _fp) + +#define clearerr _IO_clearerr +#define fclose _IO_fclose +#define feof _IO_feof +#define ferror _IO_ferror +#define fflush _IO_fflush +#define fgetc(__fp) _IO_getc(_fp) +#define fgetpos _IO_fgetpos +#define fgets _IO_fgets +#define fopen _IO_fopen +#define fprintf _IO_fprintf +#define fputc(_ch, _fp) _IO_putc(_ch, _fp) +#define fputs _IO_fputs +#define fread _IO_fread +#define freopen _IO_freopen +#define fscanf _IO_fscanf +#define fseek _IO_fseek +#define fsetpos _IO_fsetpos +#define ftell _IO_ftell +#define fwrite _IO_fwrite +#define gets _IO_gets +#define perror _IO_perror +#define printf _IO_printf +#define puts _IO_puts +#define rewind _IO_rewind +#define scanf _IO_scanf +#define setbuf _IO_setbuf +#define setbuffer _IO_setbuffer +#define setvbuf _IO_setvbuf +#define sprintf _IO_sprintf +#define sscanf _IO_sscanf +#define ungetc _IO_ungetc +#define vfprintf _IO_vfprintf +#define vprintf(__fmt, __args) vfprintf(stdout, __fmt, __args) +#define vsprintf _IO_vsprintf + +#if 0 +/* We can use the libc versions of these, since they don't pass FILE*s. */ +#define remove ??? __P((const char*)) +#define rename ??? __P((const char* _old, const char* _new)) +#define tmpfile ??? __P((void)) +#define tmpnam ??? __P((char*)) +#endif + +#if !defined(__STRICT_ANSI__) || defined(_POSIX_SOURCE) +#define fdopen _IO_fdopen +#define fileno _IO_fileno +#define popen _IO_popen +#define pclose _IO_pclose +#define setbuf _IO_setbuf +#define setlinebuf _IO_setlinebuf +#endif + +#endif /* _IOSTDIO_H */ diff --git a/contrib/libio/iostream.cc b/contrib/libio/iostream.cc new file mode 100644 index 0000000..4b1d9d8 --- /dev/null +++ b/contrib/libio/iostream.cc @@ -0,0 +1,990 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. + Copyright (C) 1993, 1997 Free Software Foundation, Inc. + + This file is part of the GNU IO Library. This library is free + software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the + Free Software Foundation; either version 2, or (at your option) + any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to the Free + Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does not cause + the resulting executable to be covered by the GNU General Public License. + This exception does not however invalidate any other reasons why + the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUC__ +#pragma implementation +#endif +#define _STREAM_COMPAT +#include <iostream.h> +#include "libioP.h" +#include <stdio.h> /* Needed for sprintf */ +#include <ctype.h> +#include <string.h> +#include <limits.h> + +#if _G_HAVE_PRINTF_FP +#include <printf.h> +extern "C" int __printf_fp (_IO_FILE *, const struct printf_info *, + const void *const *); +#else +#include "floatio.h" +# ifndef _IO_USE_DTOA +int __cvt_double(double number, register int prec, int flags, int *signp, + int fmtch, char *startp, char *endp); +# endif +#endif + +#define BUF (MAXEXP+MAXFRACT+1) /* + decimal point */ + +//#define isspace(ch) ((ch)==' ' || (ch)=='\t' || (ch)=='\n') + +istream::istream(streambuf *sb, ostream* tied) +{ + init (sb, tied); + _gcount = 0; +} + +int skip_ws(streambuf* sb) +{ + int ch; + for (;;) { + ch = sb->sbumpc(); + if (ch == EOF || !isspace(ch)) + return ch; + } +} + +istream& istream::get(char& c) +{ + if (ipfx1()) { + int ch = _strbuf->sbumpc(); + if (ch == EOF) { + set(ios::eofbit|ios::failbit); + _gcount = 0; + } + else { + c = (char)ch; + _gcount = 1; + } + } + else + _gcount = 0; + return *this; +} + +int istream::peek() +{ + if (!good()) + return EOF; + if (_tie && rdbuf()->in_avail() == 0) + _tie->flush(); + int ch = _strbuf->sgetc(); + if (ch == EOF) + set(ios::eofbit); + return ch; +} + +istream& istream::ignore(int n /* = 1 */, int delim /* = EOF */) +{ + _gcount = 0; + if (ipfx1()) { + register streambuf* sb = _strbuf; + if (delim == EOF) { + _gcount = sb->ignore(n); + return *this; + } + for (;;) { +#if 0 + if (n != MAXINT) // FIXME +#endif + if (--n < 0) + break; + int ch = sb->sbumpc(); + if (ch == EOF) { + set(ios::eofbit|ios::failbit); + break; + } + _gcount++; + if (ch == delim) + break; + } + } + return *this; +} + +istream& istream::read(char *s, streamsize n) +{ + if (ipfx1()) { + _gcount = _strbuf->sgetn(s, n); + if (_gcount != n) + set(ios::failbit|ios::eofbit); + } + else + _gcount = 0; + return *this; +} + +int +istream::sync () +{ + streambuf *sb = rdbuf (); + if (sb == NULL) + return EOF; + if (sb->sync ()) // Later: pubsync + { + setstate (ios::badbit); + return EOF; + } + else + return 0; +} + +istream& istream::seekg(streampos pos) +{ + pos = _strbuf->pubseekpos(pos, ios::in); + if (pos == streampos(EOF)) + set(ios::badbit); + return *this; +} + +istream& istream::seekg(streamoff off, _seek_dir dir) +{ + streampos pos = _IO_seekoff (_strbuf, off, (int) dir, _IOS_INPUT); + if (pos == streampos(EOF)) + set(ios::badbit); + return *this; +} + +streampos istream::tellg() +{ +#if 0 + streampos pos = _strbuf->pubseekoff(0, ios::cur, ios::in); +#else + streampos pos = _IO_seekoff (_strbuf, 0, _IO_seek_cur, _IOS_INPUT); +#endif + if (pos == streampos(EOF)) + set(ios::badbit); + return pos; +} + +istream& istream::operator>>(char& c) +{ + if (ipfx0()) { + int ch = _strbuf->sbumpc(); + if (ch == EOF) + set(ios::eofbit|ios::failbit); + else + c = (char)ch; + } + return *this; +} + +istream& +istream::operator>> (char* ptr) +{ + register char *p = ptr; + int w = width(0); + if (ipfx0()) + { + register streambuf* sb = _strbuf; + for (;;) + { + int ch = sb->sbumpc(); + if (ch == EOF) + { + set(ios::eofbit); + break; + } + else if (isspace(ch) || w == 1) + { + sb->sputbackc(ch); + break; + } + else *p++ = ch; + w--; + } + if (p == ptr) + set(ios::failbit); + } + *p = '\0'; + return *this; +} + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +#define LONGEST long long +#else +#define LONGEST long +#endif + +static int read_int(istream& stream, unsigned LONGEST& val, int& neg) +{ + if (!stream.ipfx0()) + return 0; + register streambuf* sb = stream.rdbuf(); + int base = 10; + int ndigits = 0; + register int ch = skip_ws(sb); + if (ch == EOF) + goto eof_fail; + neg = 0; + if (ch == '+') { + ch = skip_ws(sb); + } + else if (ch == '-') { + neg = 1; + ch = skip_ws(sb); + } + if (ch == EOF) goto eof_fail; + if (!(stream.flags() & ios::basefield)) { + if (ch == '0') { + ch = sb->sbumpc(); + if (ch == EOF) { + val = 0; + return 1; + } + if (ch == 'x' || ch == 'X') { + base = 16; + ch = sb->sbumpc(); + if (ch == EOF) goto eof_fail; + } + else { + sb->sputbackc(ch); + base = 8; + ch = '0'; + } + } + } + else if ((stream.flags() & ios::basefield) == ios::hex) + base = 16; + else if ((stream.flags() & ios::basefield) == ios::oct) + base = 8; + val = 0; + for (;;) { + if (ch == EOF) + break; + int digit; + if (ch >= '0' && ch <= '9') + digit = ch - '0'; + else if (ch >= 'A' && ch <= 'F') + digit = ch - 'A' + 10; + else if (ch >= 'a' && ch <= 'f') + digit = ch - 'a' + 10; + else + digit = 999; + if (digit >= base) { + sb->sputbackc(ch); + if (ndigits == 0) + goto fail; + else + return 1; + } + ndigits++; + val = base * val + digit; + ch = sb->sbumpc(); + } + return 1; + fail: + stream.set(ios::failbit); + return 0; + eof_fail: + stream.set(ios::failbit|ios::eofbit); + return 0; +} + +#define READ_INT(TYPE) \ +istream& istream::operator>>(TYPE& i)\ +{\ + unsigned LONGEST val; int neg;\ + if (read_int(*this, val, neg)) {\ + if (neg) val = -val;\ + i = (TYPE)val;\ + }\ + return *this;\ +} + +READ_INT(short) +READ_INT(unsigned short) +READ_INT(int) +READ_INT(unsigned int) +READ_INT(long) +READ_INT(unsigned long) +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +READ_INT(long long) +READ_INT(unsigned long long) +#endif +#if _G_HAVE_BOOL +READ_INT(bool) +#endif + +istream& istream::operator>>(long double& x) +{ + if (ipfx0()) + { +#if _G_HAVE_LONG_DOUBLE_IO + scan("%Lg", &x); +#else + double y; + scan("%lg", &y); + x = y; +#endif + } + return *this; +} + +istream& istream::operator>>(double& x) +{ + if (ipfx0()) + scan("%lg", &x); + return *this; +} + +istream& istream::operator>>(float& x) +{ + if (ipfx0()) + scan("%g", &x); + return *this; +} + +istream& istream::operator>>(register streambuf* sbuf) +{ + if (ipfx0()) { + register streambuf* inbuf = rdbuf(); + // FIXME: Should optimize! + for (;;) { + register int ch = inbuf->sbumpc(); + if (ch == EOF) { + set(ios::eofbit); + break; + } + if (sbuf->sputc(ch) == EOF) { + set(ios::failbit); + break; + } + } + } + return *this; +} + +ostream& ostream::operator<<(char c) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); +#if 1 + // This is what the cfront implementation does. + if (_strbuf->sputc(c) == EOF) { + set(ios::badbit); + goto failed; + } +#else + // This is what cfront documentation and current ANSI drafts say. + int w = width(0); + char fill_char = fill(); + register int padding = w > 0 ? w - 1 : 0; + register streambuf *sb = _strbuf; + if (!(flags() & ios::left) && padding) // Default adjustment. + if (_IO_padn(sb, fill_char, padding) < padding) { + set(ios::badbit); + goto failed; + } + if (sb->sputc(c) == EOF) { + set(ios::badbit); + goto failed; + } + if (flags() & ios::left && padding) // Left adjustment. + if (_IO_padn(sb, fill_char, padding) < padding) + set(ios::badbit); +#endif + failed: + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} + +/* Write VAL on STREAM. + If SIGN<0, val is the absolute value of a negative number. + If SIGN>0, val is a signed non-negative number. + If SIGN==0, val is unsigned. */ + +static void write_int(ostream& stream, unsigned LONGEST val, int sign) +{ +#define WRITE_BUF_SIZE (10 + sizeof(unsigned LONGEST) * 3) + char buf[WRITE_BUF_SIZE]; + register char *buf_ptr = buf+WRITE_BUF_SIZE; // End of buf. + const char *show_base = ""; + int show_base_len = 0; + int show_pos = 0; // If 1, print a '+'. + + // Now do the actual conversion, placing the result at the *end* of buf. + // Note that we use separate code for decimal, octal, and hex, + // so we can divide by optimizable constants. + if ((stream.flags() & ios::basefield) == ios::oct) { // Octal + do { + *--buf_ptr = (val & 7) + '0'; + val = val >> 3; + } while (val != 0); + if ((stream.flags() & ios::showbase) && (*buf_ptr != '0')) + *--buf_ptr = '0'; + } + else if ((stream.flags() & ios::basefield) == ios::hex) { // Hex + const char *xdigs = (stream.flags() & ios::uppercase) ? "0123456789ABCDEF0X" + : "0123456789abcdef0x"; + do { + *--buf_ptr = xdigs[val & 15]; + val = val >> 4; + } while (val != 0); + if ((stream.flags() & ios::showbase)) { + show_base = xdigs + 16; // Either "0X" or "0x". + show_base_len = 2; + } + } + else { // Decimal +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) + // Optimization: Only use long long when we need to. + while (val > UINT_MAX) { + *--buf_ptr = (val % 10) + '0'; + val /= 10; + } + // Use more efficient (int) arithmetic for the rest. + register unsigned int ival = (unsigned int)val; +#else + register unsigned LONGEST ival = val; +#endif + do { + *--buf_ptr = (ival % 10) + '0'; + ival /= 10; + } while (ival != 0); + if (sign > 0 && (stream.flags() & ios::showpos)) + show_pos=1; + } + + int buf_len = buf+WRITE_BUF_SIZE - buf_ptr; + int w = stream.width(0); + + // Calculate padding. + int len = buf_len+show_pos; + if (sign < 0) len++; + len += show_base_len; + int padding = len > w ? 0 : w - len; + + // Do actual output. + register streambuf* sbuf = stream.rdbuf(); + ios::fmtflags pad_kind = + stream.flags() & (ios::left|ios::right|ios::internal); + char fill_char = stream.fill(); + if (padding > 0 + && pad_kind != (ios::fmtflags)ios::left + && pad_kind != (ios::fmtflags)ios::internal) // Default (right) adjust. + if (_IO_padn(sbuf, fill_char, padding) < padding) + goto failed; + if (sign < 0 || show_pos) + { + char ch = sign < 0 ? '-' : '+'; + if (sbuf->sputc(ch) < 0) + goto failed; + } + if (show_base_len) + if (_IO_sputn(sbuf, show_base, show_base_len) <= 0) + goto failed; + if (pad_kind == (ios::fmtflags)ios::internal && padding > 0) + if (_IO_padn(sbuf, fill_char, padding) < padding) + goto failed; + if (_IO_sputn (sbuf, buf_ptr, buf_len) != buf_len) + goto failed; + if (pad_kind == (ios::fmtflags)ios::left && padding > 0) // Left adjustment + if (_IO_padn(sbuf, fill_char, padding) < padding) + goto failed; + stream.osfx(); + return; + failed: + stream.set(ios::badbit); + stream.osfx(); +} + +ostream& ostream::operator<<(int n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + int sign = 1; + unsigned int abs_n = (unsigned)n; + if (n < 0 && (flags() & (ios::oct|ios::hex)) == 0) + abs_n = -((unsigned)n), sign = -1; + write_int(*this, abs_n, sign); + _IO_cleanup_region_end (0); + } + return *this; +} + +ostream& ostream::operator<<(unsigned int n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + write_int(*this, n, 0); + _IO_cleanup_region_end (0); + } + return *this; +} + + +ostream& ostream::operator<<(long n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + int sign = 1; + unsigned long abs_n = (unsigned long)n; + if (n < 0 && (flags() & (ios::oct|ios::hex)) == 0) + abs_n = -((unsigned long)n), sign = -1; + write_int(*this, abs_n, sign); + _IO_cleanup_region_end (0); + } + return *this; +} + +ostream& ostream::operator<<(unsigned long n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + write_int(*this, n, 0); + _IO_cleanup_region_end (0); + } + return *this; +} + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +ostream& ostream::operator<<(long long n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + int sign = 1; + unsigned long long abs_n = (unsigned long long)n; + if (n < 0 && (flags() & (ios::oct|ios::hex)) == 0) + abs_n = -((unsigned long long)n), sign = -1; + write_int(*this, abs_n, sign); + _IO_cleanup_region_end (0); + } + return *this; +} + + +ostream& ostream::operator<<(unsigned long long n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + write_int(*this, n, 0); + _IO_cleanup_region_end (0); + } + return *this; +} +#endif /*__GNUC__*/ + +ostream& ostream::operator<<(double n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + // Uses __cvt_double (renamed from static cvt), in Chris Torek's + // stdio implementation. The setup code uses the same logic + // as in __vsbprintf.C (also based on Torek's code). + int format_char; + if ((flags() & ios::floatfield) == ios::fixed) + format_char = 'f'; + else if ((flags() & ios::floatfield) == ios::scientific) + format_char = flags() & ios::uppercase ? 'E' : 'e'; + else + format_char = flags() & ios::uppercase ? 'G' : 'g'; + + int prec = precision(); + if (prec <= 0 && !(flags() & ios::fixed)) + prec = 6; /* default */ + + // Do actual conversion. +#if _G_HAVE_PRINTF_FP + { + struct printf_info info = { /* prec: */ prec, + /* width: */ width(0), + /* spec: */ format_char, + /* is_long_double: */ 0, + /* is_short: */ 0, + /* is_long: */ 0, + /* alt: */ (flags() & ios::showpoint) != 0, + /* space: */ 0, + /* left: */ (flags() & ios::left) != 0, + /* showsign: */ (flags() & ios::showpos) != 0, + /* group: */ 0, +#if defined __GLIBC__ && __GLIBC__ >= 2 + /* extra: */ 0, +#if __GLIBC_MINOR__ >= 1 + /* is_char: */ 0, +#endif +#endif + /* pad: */ fill() + }; + const void *ptr = (const void *) &n; + if (__printf_fp (rdbuf(), &info, &ptr) < 0) + set(ios::badbit|ios::failbit); + } +#elif defined _IO_USE_DTOA + if (_IO_outfloat(n, rdbuf(), format_char, width(0), + prec, flags(), + flags() & ios::showpos ? '+' : 0, + fill()) < 0) + set(ios::badbit|ios::failbit); // ?? +#else + int fpprec = 0; // 'Extra' (suppressed) floating precision. + if (prec > MAXFRACT) { + if (flags() & (ios::fixed|ios::scientific) & ios::showpos) + fpprec = prec - MAXFRACT; + prec = MAXFRACT; + } + int negative; + char buf[BUF]; + int sign = '\0'; + char *cp = buf; + *cp = 0; + int size = __cvt_double(n, prec, + flags() & ios::showpoint ? 0x80 : 0, + &negative, + format_char, cp, buf + sizeof(buf)); + if (negative) sign = '-'; + else if (flags() & ios::showpos) sign = '+'; + if (*cp == 0) + cp++; + + // Calculate padding. + int fieldsize = size + fpprec; + if (sign) fieldsize++; + int padding = 0; + int w = width(0); + if (fieldsize < w) + padding = w - fieldsize; + + // Do actual output. + register streambuf* sbuf = rdbuf(); + register i; + char fill_char = fill(); + ios::fmtflags pad_kind = + flags() & (ios::left|ios::right|ios::internal); + if (pad_kind != (ios::fmtflags)ios::left // Default (right) adjust. + && pad_kind != (ios::fmtflags)ios::internal) + for (i = padding; --i >= 0; ) sbuf->sputc(fill_char); + if (sign) + sbuf->sputc(sign); + if (pad_kind == (ios::fmtflags)ios::internal) + for (i = padding; --i >= 0; ) sbuf->sputc(fill_char); + + // Emit the actual concented field, followed by extra zeros. + _IO_sputn (sbuf, cp, size); + for (i = fpprec; --i >= 0; ) sbuf->sputc('0'); + + if (pad_kind == (ios::fmtflags)ios::left) // Left adjustment + for (i = padding; --i >= 0; ) sbuf->sputc(fill_char); +#endif + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} + +#if _G_HAVE_LONG_DOUBLE_IO +ostream& ostream::operator<<(long double n) +{ + if (opfx()) + { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + int format_char; + if ((flags() & ios::floatfield) == ios::fixed) + format_char = 'f'; + else if ((flags() & ios::floatfield) == ios::scientific) + format_char = flags() & ios::uppercase ? 'E' : 'e'; + else + format_char = flags() & ios::uppercase ? 'G' : 'g'; + + int prec = precision(); + if (prec <= 0 && !(flags() & ios::fixed)) + prec = 6; /* default */ + +#if _G_HAVE_PRINTF_FP + // Do actual conversion. + struct printf_info info = { /* prec: */ prec, + /* width: */ width(0), + /* spec: */ format_char, + /* is_long_double: */ 1, + /* is_short: */ 0, + /* is_long: */ 0, + /* alt: */ (flags() & ios::showpoint) != 0, + /* space: */ 0, + /* left: */ (flags() & ios::left) != 0, + /* showsign: */ (flags() & ios::showpos) != 0, + /* group: */ 0, +#if defined __GLIBC__ && __GLIBC__ >= 2 + /* extra: */ 0, +#if __GLIBC_MINOR__ >= 1 + /* is_char: */ 0, +#endif +#endif + /* pad: */ fill() + }; + + const void *ptr = (const void *) &n; + + if (__printf_fp (rdbuf(), &info, &ptr) < 0) + set (ios::badbit|ios::failbit); +#else +# error "long double I/O using dtoa or cvt_double is not implemented" +#endif + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} +#endif + +ostream& ostream::operator<<(const char *s) +{ + if (opfx()) + { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + if (s == NULL) + s = "(null)"; + int len = strlen(s); + int w = width(0); +// FIXME: Should we: if (w && len>w) len = w; + char fill_char = fill(); + register streambuf *sbuf = rdbuf(); + register int padding = w > len ? w - len : 0; + if (!(flags() & ios::left) && padding > 0) // Default adjustment. + if (_IO_padn(sbuf, fill_char, padding) != padding) + { + set(ios::badbit); + goto failed; + } + if (_IO_sputn (sbuf, s, len) != len) + { + set(ios::badbit); + goto failed; + } + if (flags() & ios::left && padding > 0) // Left adjustment. + if (_IO_padn(sbuf, fill_char, padding) != padding) + set(ios::badbit); + osfx(); + failed: + _IO_cleanup_region_end (0); + } + return *this; +} + +#if 0 +ostream& ostream::operator<<(const void *p) +{ Is in osform.cc, to avoid pulling in all of _IO_vfprintf by this file. */ } +#endif + +ostream& ostream::operator<<(register streambuf* sbuf) +{ + if (opfx()) + { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + char buffer[_IO_BUFSIZ]; + register streambuf* outbuf = _strbuf; + for (;;) + { + _IO_size_t count = _IO_sgetn(sbuf, buffer, _IO_BUFSIZ); + if (count <= 0) + break; + if (_IO_sputn(outbuf, buffer, count) != count) + { + set(ios::badbit); + break; + } + } + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} + +ostream::ostream(streambuf* sb, ostream* tied) +{ + init (sb, tied); +} + +ostream& ostream::seekp(streampos pos) +{ + pos = _strbuf->pubseekpos(pos, ios::out); + if (pos == streampos(EOF)) + set(ios::badbit); + return *this; +} + +ostream& ostream::seekp(streamoff off, _seek_dir dir) +{ + streampos pos = _IO_seekoff (_strbuf, off, (int) dir, _IOS_OUTPUT); + if (pos == streampos(EOF)) + set(ios::badbit); + return *this; +} + +streampos ostream::tellp() +{ +#if 1 + streampos pos = _IO_seekoff (_strbuf, 0, _IO_seek_cur, _IOS_OUTPUT); +#else + streampos pos = _strbuf->pubseekoff(0, ios::cur, ios::out); +#endif + if (pos == streampos(EOF)) + set(ios::badbit); + return pos; +} + +ostream& ostream::flush() +{ + if (_strbuf->sync()) + set(ios::badbit); + return *this; +} + +ostream& flush(ostream& outs) +{ + return outs.flush(); +} + +istream& ws(istream& ins) +{ + if (ins.ipfx1()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + ins._strbuf); + int ch = skip_ws(ins._strbuf); + if (ch == EOF) + ins.set(ios::eofbit); + else + ins._strbuf->sputbackc(ch); + ins.isfx(); + _IO_cleanup_region_end (0); + } + return ins; +} + +// Skip white-space. Return 0 on failure (EOF), or 1 on success. +// Differs from ws() manipulator in that failbit is set on EOF. +// Called by ipfx() and ipfx0() if needed. + +int istream::_skip_ws() +{ + int ch = skip_ws(_strbuf); + if (ch == EOF) { + set(ios::eofbit|ios::failbit); + return 0; + } + else { + _strbuf->sputbackc(ch); + return 1; + } +} + +ostream& ends(ostream& outs) +{ + outs.put('\0'); + return outs; +} + +ostream& endl(ostream& outs) +{ + return flush(outs.put('\n')); +} + +istream& lock(istream& ins) +{ + _IO_flockfile (ins._strbuf); + return ins; +} +istream& unlock(istream& ins) +{ + _IO_funlockfile (ins._strbuf); + return ins; +} +ostream& lock(ostream& outs) +{ + _IO_flockfile (outs._strbuf); + return outs; +} +ostream& unlock(ostream& outs) +{ + _IO_funlockfile (outs._strbuf); + return outs; +} + + +ostream& ostream::write(const char *s, streamsize n) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + if (_IO_sputn(_strbuf, s, n) != n) + set(ios::failbit); + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} + +void ostream::do_osfx() +{ + if (flags() & ios::unitbuf) + flush(); + if (flags() & ios::stdio) { + fflush(stdout); + fflush(stderr); + } +} + +iostream::iostream(streambuf* sb, ostream* tied) +{ + init (sb, tied); +} + +// NOTE: extension for compatibility with old libg++. +// Not really compatible with fistream::close(). +#ifdef _STREAM_COMPAT +void ios::close() +{ + if (_strbuf->_flags & _IO_IS_FILEBUF) + ((struct filebuf*)rdbuf())->close(); + else if (_strbuf != NULL) + rdbuf()->sync(); + _strbuf = NULL; + _state = badbit; +} + +int istream::skip(int i) +{ + int old = (_flags & ios::skipws) != 0; + if (i) + _flags |= ios::skipws; + else + _flags &= ~ios::skipws; + return old; +} +#endif diff --git a/contrib/libio/iostream.h b/contrib/libio/iostream.h new file mode 100644 index 0000000..f3de363 --- /dev/null +++ b/contrib/libio/iostream.h @@ -0,0 +1,272 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _IOSTREAM_H +#ifdef __GNUG__ +#pragma interface +#endif +#define _IOSTREAM_H + +#include <streambuf.h> + +extern "C++" { +class istream; class ostream; +typedef ios& (*__manip)(ios&); +typedef istream& (*__imanip)(istream&); +typedef ostream& (*__omanip)(ostream&); + +extern istream& ws(istream& ins); +extern ostream& flush(ostream& outs); +extern ostream& endl(ostream& outs); +extern ostream& ends(ostream& outs); + +class ostream : virtual public ios +{ + // NOTE: If fields are changed, you must fix _fake_ostream in stdstreams.C! + void do_osfx(); + public: + ostream() { } + ostream(streambuf* sb, ostream* tied=NULL); + int opfx() { + if (!good()) return 0; + else { if (_tie) _tie->flush(); _IO_flockfile(_strbuf); return 1;} } + void osfx() { _IO_funlockfile(_strbuf); + if (flags() & (ios::unitbuf|ios::stdio)) + do_osfx(); } + ostream& flush(); + ostream& put(char c) { _strbuf->sputc(c); return *this; } +#ifdef _STREAM_COMPAT + /* Temporary binary compatibility. REMOVE IN NEXT RELEASE. */ + ostream& put(unsigned char c) { return put((char)c); } + ostream& put(signed char c) { return put((char)c); } +#endif + ostream& write(const char *s, streamsize n); + ostream& write(const unsigned char *s, streamsize n) + { return write((const char*)s, n);} + ostream& write(const signed char *s, streamsize n) + { return write((const char*)s, n);} + ostream& write(const void *s, streamsize n) + { return write((const char*)s, n);} + ostream& seekp(streampos); + ostream& seekp(streamoff, _seek_dir); + streampos tellp(); + ostream& form(const char *format ...); + ostream& vform(const char *format, _IO_va_list args); + + ostream& operator<<(char c); + ostream& operator<<(unsigned char c) { return (*this) << (char)c; } + ostream& operator<<(signed char c) { return (*this) << (char)c; } + ostream& operator<<(const char *s); + ostream& operator<<(const unsigned char *s) + { return (*this) << (const char*)s; } + ostream& operator<<(const signed char *s) + { return (*this) << (const char*)s; } + ostream& operator<<(const void *p); + ostream& operator<<(int n); + ostream& operator<<(unsigned int n); + ostream& operator<<(long n); + ostream& operator<<(unsigned long n); +#if defined(__GNUC__) + __extension__ ostream& operator<<(long long n); + __extension__ ostream& operator<<(unsigned long long n); +#endif + ostream& operator<<(short n) {return operator<<((int)n);} + ostream& operator<<(unsigned short n) {return operator<<((unsigned int)n);} +#if _G_HAVE_BOOL + ostream& operator<<(bool b) { return operator<<((int)b); } +#endif + ostream& operator<<(double n); + ostream& operator<<(float n) { return operator<<((double)n); } +#if _G_HAVE_LONG_DOUBLE_IO + ostream& operator<<(long double n); +#else + ostream& operator<<(long double n) { return operator<<((double)n); } +#endif + ostream& operator<<(__omanip func) { return (*func)(*this); } + ostream& operator<<(__manip func) {(*func)(*this); return *this;} + ostream& operator<<(streambuf*); +#ifdef _STREAM_COMPAT + streambuf* ostreambuf() const { return _strbuf; } +#endif +}; + +class istream : virtual public ios +{ + // NOTE: If fields are changed, you must fix _fake_istream in stdstreams.C! +protected: + _IO_size_t _gcount; + + int _skip_ws(); + public: + istream(): _gcount (0) { } + istream(streambuf* sb, ostream*tied=NULL); + istream& get(char* ptr, int len, char delim = '\n'); + istream& get(unsigned char* ptr, int len, char delim = '\n') + { return get((char*)ptr, len, delim); } + istream& get(char& c); + istream& get(unsigned char& c) { return get((char&)c); } + istream& getline(char* ptr, int len, char delim = '\n'); + istream& getline(unsigned char* ptr, int len, char delim = '\n') + { return getline((char*)ptr, len, delim); } + istream& get(signed char& c) { return get((char&)c); } + istream& get(signed char* ptr, int len, char delim = '\n') + { return get((char*)ptr, len, delim); } + istream& getline(signed char* ptr, int len, char delim = '\n') + { return getline((char*)ptr, len, delim); } + istream& read(char *ptr, streamsize n); + istream& read(unsigned char *ptr, streamsize n) + { return read((char*)ptr, n); } + istream& read(signed char *ptr, streamsize n) + { return read((char*)ptr, n); } + istream& read(void *ptr, streamsize n) + { return read((char*)ptr, n); } + istream& get(streambuf& sb, char delim = '\n'); + istream& gets(char **s, char delim = '\n'); + int ipfx(int need = 0) { + if (!good()) { set(ios::failbit); return 0; } + else { + _IO_flockfile(_strbuf); + if (_tie && (need == 0 || rdbuf()->in_avail() < need)) _tie->flush(); + if (!need && (flags() & ios::skipws)) return _skip_ws(); + else return 1; + } + } + int ipfx0() { // Optimized version of ipfx(0). + if (!good()) { set(ios::failbit); return 0; } + else { + _IO_flockfile(_strbuf); + if (_tie) _tie->flush(); + if (flags() & ios::skipws) return _skip_ws(); + else return 1; + } + } + int ipfx1() { // Optimized version of ipfx(1). + if (!good()) { set(ios::failbit); return 0; } + else { + _IO_flockfile(_strbuf); + if (_tie && rdbuf()->in_avail() == 0) _tie->flush(); + return 1; + } + } + void isfx() { _IO_funlockfile(_strbuf); } + int get() { if (!ipfx1()) return EOF; + else { int ch = _strbuf->sbumpc(); + if (ch == EOF) set(ios::eofbit); + return ch; + } } + int peek(); + _IO_size_t gcount() { return _gcount; } + istream& ignore(int n=1, int delim = EOF); + int sync (); + istream& seekg(streampos); + istream& seekg(streamoff, _seek_dir); + streampos tellg(); + istream& putback(char ch) { + if (good() && _strbuf->sputbackc(ch) == EOF) clear(ios::badbit); + return *this;} + istream& unget() { + if (good() && _strbuf->sungetc() == EOF) clear(ios::badbit); + return *this;} + istream& scan(const char *format ...); + istream& vscan(const char *format, _IO_va_list args); +#ifdef _STREAM_COMPAT + istream& unget(char ch) { return putback(ch); } + int skip(int i); + streambuf* istreambuf() const { return _strbuf; } +#endif + + istream& operator>>(char*); + istream& operator>>(unsigned char* p) { return operator>>((char*)p); } + istream& operator>>(signed char*p) { return operator>>((char*)p); } + istream& operator>>(char& c); + istream& operator>>(unsigned char& c) {return operator>>((char&)c);} + istream& operator>>(signed char& c) {return operator>>((char&)c);} + istream& operator>>(int&); + istream& operator>>(long&); +#if defined(__GNUC__) + __extension__ istream& operator>>(long long&); + __extension__ istream& operator>>(unsigned long long&); +#endif + istream& operator>>(short&); + istream& operator>>(unsigned int&); + istream& operator>>(unsigned long&); + istream& operator>>(unsigned short&); +#if _G_HAVE_BOOL + istream& operator>>(bool&); +#endif + istream& operator>>(float&); + istream& operator>>(double&); + istream& operator>>(long double&); + istream& operator>>( __manip func) {(*func)(*this); return *this;} + istream& operator>>(__imanip func) { return (*func)(*this); } + istream& operator>>(streambuf*); +}; + +class iostream : public istream, public ostream +{ + public: + iostream() { } + iostream(streambuf* sb, ostream*tied=NULL); +}; + +class _IO_istream_withassign : public istream { +public: + _IO_istream_withassign& operator=(istream&); + _IO_istream_withassign& operator=(_IO_istream_withassign& rhs) + { return operator= (static_cast<istream&> (rhs)); } +}; + +class _IO_ostream_withassign : public ostream { +public: + _IO_ostream_withassign& operator=(ostream&); + _IO_ostream_withassign& operator=(_IO_ostream_withassign& rhs) + { return operator= (static_cast<ostream&> (rhs)); } +}; + +extern _IO_istream_withassign cin; +// clog->rdbuf() == cerr->rdbuf() +extern _IO_ostream_withassign cout, cerr; + +extern _IO_ostream_withassign clog +#if _G_CLOG_CONFLICT +__asm__ ("__IO_clog") +#endif +; + +extern istream& lock(istream& ins); +extern istream& unlock(istream& ins); +extern ostream& lock(ostream& outs); +extern ostream& unlock(ostream& outs); + +struct Iostream_init { } ; // Compatibility hack for AT&T library. + +inline ios& dec(ios& i) +{ i.setf(ios::dec, ios::dec|ios::hex|ios::oct); return i; } +inline ios& hex(ios& i) +{ i.setf(ios::hex, ios::dec|ios::hex|ios::oct); return i; } +inline ios& oct(ios& i) +{ i.setf(ios::oct, ios::dec|ios::hex|ios::oct); return i; } +} // extern "C++" + +#endif /*!_IOSTREAM_H*/ diff --git a/contrib/libio/iostream.texi b/contrib/libio/iostream.texi new file mode 100644 index 0000000..641cd7d --- /dev/null +++ b/contrib/libio/iostream.texi @@ -0,0 +1,1971 @@ +\input texinfo @c -*-Texinfo-*- +@c Copyright (c) 1993 Free Software Foundation, Inc. + +@c %**start of header +@setfilename iostream.info +@settitle The GNU C++ Iostream Library +@setchapternewpage odd +@c %**end of header + +@ifinfo +@format +START-INFO-DIR-ENTRY +* iostream: (iostream). The C++ input/output facility. +END-INFO-DIR-ENTRY +@end format + +This file describes libio, the GNU library for C++ iostreams and C stdio. + +libio includes software developed by the University of California, +Berkeley. + +Copyright (C) 1993 Free Software Foundation, Inc. + +Permission is granted to make and distribute verbatim copies of +this manual provided the copyright notice and this permission notice +are preserved on all copies. + +@ignore +Permission is granted to process this file through TeX and print the +results, provided the printed document carries copying permission +notice identical to this one except for the removal of this paragraph +(this paragraph not being relevant to the printed manual). + +@end ignore +Permission is granted to copy and distribute modified versions of this +manual under the conditions for verbatim copying, provided also that the +entire resulting derived work is distributed under the terms of a +permission notice identical to this one. + +Permission is granted to copy and distribute translations of this manual +into another language, under the above conditions for modified versions. +@end ifinfo + +@finalout +@syncodeindex fn cp +@syncodeindex vr cp + +@titlepage +@title The GNU C++ Iostream Library +@subtitle Reference Manual for @code{libio} Version 0.64 +@sp 3 +@author Per Bothner @hfill @code{bothner@@cygnus.com} +@author Cygnus Support @hfill @code{doc@@cygnus.com} +@page + +@vskip 0pt plus 1filll +Copyright @copyright{} 1993 Free Software Foundation, Inc. + +@code{libio} includes software developed by the University of +California, Berkeley. + +@code{libio} uses floating-point software written by David M. Gay, which +includes the following notice: + +@quotation +The author of this software is David M. Gay. + +Copyright (c) 1991 by AT&T. + +Permission to use, copy, modify, and distribute this software for any +purpose without fee is hereby granted, provided that this entire notice +is included in all copies of any software which is or includes a copy +or modification of this software and in all copies of the supporting +documentation for such software. + +THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED +WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY +REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY +OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. +@end quotation + +Permission is granted to make and distribute verbatim copies of +this manual provided the copyright notice and this permission notice +are preserved on all copies. + +Permission is granted to copy and distribute modified versions of this +manual under the conditions for verbatim copying, provided also that the +entire resulting derived work is distributed under the terms of a +permission notice identical to this one. + +Permission is granted to copy and distribute translations of this manual +into another language, under the above conditions for modified versions. +@end titlepage + +@ifinfo +@node Top +@top The GNU C++ Iostream Library + +This file provides reference information on the GNU C++ iostream library +(@code{libio}), version 0.64. + +@menu +* Introduction:: +* Operators:: Operators and default streams. +* Streams:: Stream classes. +* Files and Strings:: Classes for files and strings. +* Streambuf:: Using the streambuf layer. +* Stdio:: C input and output. +* Index:: +@end menu +@end ifinfo + +@node Introduction +@chapter Introduction + +The iostream classes implement most of the features of AT&T version 2.0 +iostream library classes, and most of the features of the ANSI X3J16 +library draft (which is based on the AT&T design). + +This manual is meant as a reference; for tutorial material on iostreams, +see the corresponding section of any recent popular introduction to C++. + +@menu +* Copying:: Special GNU licensing terms for libio. +* Acknowledgements:: Contributors to GNU iostream. +@end menu + +@node Copying +@section Licensing terms for @code{libio} + +Since the @code{iostream} classes are so fundamental to standard C++, +the Free Software Foundation has agreed to a special exception to its +standard license, when you link programs with @code{libio.a}: + +@quotation +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. +@end quotation + +The code is under the @sc{gnu} General Public License (version 2) for +all other purposes than linking with this library; that means that you +can modify and redistribute the code as usual, but remember that if you +do, your modifications, and anything you link with the modified code, +must be available to others on the same terms. + +These functions are also available as part of the @code{libg++} +library; if you link with that library instead of @code{libio}, the +@sc{gnu} Library General Public License applies. + +@node Acknowledgements +@section Acknowledgements + +Per Bothner wrote most of the @code{iostream} library, but some portions +have their origins elsewhere in the free software community. Heinz +Seidl wrote the IO manipulators. The floating-point conversion software +is by David M. Gay of AT&T. Some code was derived from parts of BSD +4.4, which was written at the University of California, Berkeley. + +The iostream classes are found in the @code{libio} library. An early +version was originally distributed in @code{libg++}, and they are still +included there as well, for convenience if you need other @code{libg++} +classes. Doug Lea was the original author of @code{libg++}, and some of +the file-management code still in @code{libio} is his. + +Various people found bugs or offered suggestions. Hongjiu Lu worked +hard to use the library as the default stdio implementation for Linux, +and has provided much stress-testing of the library. + +@node Operators +@chapter Operators and Default Streams + +The @sc{gnu} iostream library, @file{libio}, implements the standard +input and output facilities for C++. These facilities are roughly +analogous (in their purpose and ubiquity, at least) with those defined +by the C @file{stdio} functions. + +Although these definitions come from a library, rather than being part +of the ``core language'', they are sufficiently central to be specified +in the latest working papers for C++. + +You can use two operators defined in this library for basic input and +output operations. They are familiar from any C++ introductory +textbook: @code{<<} for output, and @code{>>} for input. (Think of data +flowing in the direction of the ``arrows''.) + +These operators are often used in conjunction with three streams that +are open by default: + +@deftypevar ostream cout +The standard output stream, analogous to the C @code{stdout}. +@end deftypevar + +@deftypevar istream cin +The standard input stream, analogous to the C @code{stdin}. +@end deftypevar + +@deftypevar ostream cerr +An alternative output stream for errors, analogous to the C +@code{stderr}. +@end deftypevar + +@noindent +For example, this bare-bones C++ version of the traditional ``hello'' +program uses @code{<<} and @code{cout}: + +@example +#include <iostream.h> + +int main(int argc, char **argv) +@{ + cout << "Well, hi there.\n"; + return 0; +@} +@end example + +Casual use of these operators may be seductive, but---other than in +writing throwaway code for your own use---it is not necessarily simpler +than managing input and output in any other language. For example, +robust code should check the state of the input and output streams +between operations (for example, using the method @code{good}). +@xref{States,,Checking the state of a stream}. You may also need to +adjust maximum input or output field widths, using manipulators like +@code{setw} or @code{setprecision}. + +@defop Operator ostream << +Write output to an open output stream of class @code{ostream}. +Defined by this library on any @var{object} of a C++ primitive type, and +on other classes of the library. You can overload the definition for any +of your own applications' classes. + +Returns a reference to the implied argument @code{*this} (the open stream it +writes on), permitting statements like +@example +cout << "The value of i is " << i << "\n"; +@end example +@end defop + +@defop Operator istream >> +Read input from an open input stream of class @code{istream}. Defined +by this library on primitive numeric, pointer, and string types; you can +extend the definition for any of your own applications' classes. + +Returns a reference to the implied argument @code{*this} (the open stream +it reads), permitting multiple inputs in one statement. +@end defop + +@node Streams +@chapter Stream Classes + +The previous chapter referred in passing to the classes @code{ostream} +and @code{istream}, for output and input respectively. These classes +share certain properties, captured in their base class @code{ios}. + +@menu +* Ios:: Shared properties. +* Ostream:: Managing output streams. +* Istream:: Managing input streams. +* Iostream:: Input and output together. +@end menu + +@node Ios +@section Shared properties: class @code{ios} + +The base class @code{ios} provides methods to test and manage the state +of input or output streams. + +@code{ios} delegates the job of actually reading and writing bytes to +the abstract class @code{streambuf}, which is designed to provide +buffered streams (compatible with C, in the @sc{gnu} implementation). +@xref{Streambuf,,Using the @code{streambuf} layer}, for information on +the facilities available at the @code{streambuf} level. + +@deftypefn Constructor {} ios::ios ([streambuf* @var{sb} @w{[, ostream*} @var{tie}]) +The @code{ios} constructor by default initializes a new @code{ios}, and +if you supply a @code{streambuf} @var{sb} to associate with it, sets the +state @code{good} in the new @code{ios} object. It also sets the +default properties of the new object. + +@ignore +@c FIXME--future: this (a) doesn't work, (b) is controversial at ANSI +An @code{ios} without a @code{streambuf} has the state @code{bad} until +you supply a @code{streambuf}; you can do that by assigning a new value +to the @code{ios} with @samp{=}. +@end ignore + +You can also supply an optional second argument @var{tie} to the +constructor: if present, it is an initial value for @code{ios::tie}, to +associate the new @code{ios} object with another stream. +@end deftypefn + +@deftypefn Destructor {} ios::~ios () +The @code{ios} destructor is virtual, permitting application-specific +behavior when a stream is closed---typically, the destructor frees any +storage associated with the stream and releases any other associated +objects. +@end deftypefn + +@c FIXME-future: Is @deftypefn really the best way of displaying these? + +@c FIXME-future: Undocumented: ios::_throw_failure, ios::exceptions; things +@c controlled by _STREAM_COMPAT; ios::Init; ios::_IO_fix_vtable. + +@menu +* States:: Checking the state of a stream. +* Format Control:: Choices in formatting. +* Manipulators:: Convenient ways of changing stream properties. +* Extending:: Extended data fields. +* Synchronization:: Synchronizing related streams. +* Streambuf from Ios:: Reaching the underlying streambuf. +@end menu + +@node States +@subsection Checking the state of a stream + +Use this collection of methods to test for (or signal) errors and other +exceptional conditions of streams: + +@deftypefn Method {ios::operator void*} () const +You can do a quick check on the state of the most recent operation on a +stream by examining a pointer to the stream itself. The pointer is +arbitrary except for its truth value; it is true if no failures have +occurred (@code{ios::fail} is not true). For example, you might ask for +input on @code{cin} only if all prior output operations succeeded: + +@example +if (cout) +@{ + // Everything OK so far + cin >> new_value; + @dots{} +@} +@end example +@end deftypefn + +@deftypefn Method {ios::operator !} () const +In case it is more convenient to check whether something has failed, the +operator @code{!} returns true if @code{ios::fail} is true (an operation +has failed). For example, +you might issue an error message if input failed: + +@example +if (!cin) +@{ + // Oops + cerr << "Eh?\n"; +@} +@end example +@end deftypefn + +@deftypefn Method iostate ios::rdstate () const +Return the state flags for this stream. The value is from the +enumeration @code{iostate}. You can test for any combination of + +@vtable @code +@item goodbit +There are no indications of exceptional states on this stream. + +@item eofbit +End of file. + +@item failbit +An operation has failed on this stream; this usually indicates bad +format of input. + +@item badbit +The stream is unusable. +@end vtable +@end deftypefn + +@deftypefn Method void ios::setstate (iostate @var{state}) +@findex ios::set +Set the state flag for this stream to @var{state} @emph{in addition to} +any state flags already set. Synonym (for upward compatibility): +@code{ios::set}. + +See @code{ios::clear} to set the stream state without regard to existing +state flags. See @code{ios::good}, @code{ios::eof}, @code{ios::fail}, +and @code{ios::bad}, to test the state. +@end deftypefn + +@deftypefn Method int ios::good () const +Test the state flags associated with this stream; true if no error +indicators are set. +@end deftypefn + +@deftypefn Method int ios::bad () const +Test whether a stream is marked as unusable. (Whether +@code{ios::badbit} is set.) +@end deftypefn + +@deftypefn Method int ios::eof () const +True if end of file was reached on this stream. (If @code{ios::eofbit} +is set.) +@end deftypefn + +@deftypefn Method int ios::fail () const +Test for any kind of failure on this stream: @emph{either} some +operation failed, @emph{or} the stream is marked as bad. (If either +@code{ios::failbit} or @code{ios::badbit} is set.) +@end deftypefn + +@deftypefn Method void ios::clear (iostate @var{state}) +@c FIXME-future: There is some complication to do with buffering and _throw_failure +Set the state indication for this stream to the argument @var{state}. +You may call @code{ios::clear} with no argument, in which case the state +is set to @code{good} (no errors pending). + +See @code{ios::good}, @code{ios::eof}, @code{ios::fail}, and +@code{ios::bad}, to test the state; see @code{ios::set} or +@code{ios::setstate} for an alternative way of setting the state. +@end deftypefn + +@node Format Control +@subsection Choices in formatting + +These methods control (or report on) settings for some details of +controlling streams, primarily to do with formatting output: + +@deftypefn Method char ios::fill () const +Report on the padding character in use. +@end deftypefn + +@deftypefn Method char ios::fill (char @var{padding}) +Set the padding character. You can also use the manipulator +@code{setfill}. @xref{Manipulators,,Changing stream properties in +expressions}. + +Default: blank. +@end deftypefn + +@deftypefn Method int ios::precision () const +Report the number of significant digits currently in use for output of +floating point numbers. + +Default: @code{6}. +@end deftypefn + +@deftypefn Method int ios::precision (int @var{signif}) +Set the number of significant digits (for input and output numeric +conversions) to @var{signif}. + +@findex setprecision +@cindex setting @code{ios::precision} +You can also use the manipulator @code{setprecision} for this purpose. +@xref{Manipulators,,Changing stream properties using manipulators}. +@end deftypefn + +@deftypefn Method int ios::width () const +Report the current output field width setting (the number of +characters to write on the next @samp{<<} output operation). + +Default: @code{0}, which means to use as many characters as necessary. +@end deftypefn + +@deftypefn Method int ios::width (int @var{num}) +Set the input field width setting to @var{num}. Return the +@emph{previous} value for this stream. + +@findex setw +@cindex setting @code{ios::width} +This value resets to zero (the default) every time you use @samp{<<}; it is +essentially an additional implicit argument to that operator. You can +also use the manipulator @code{setw} for this purpose. +@xref{Manipulators,,Changing stream properties using manipulators}. +@end deftypefn + +@need 2000 +@deftypefn Method fmtflags ios::flags () const +Return the current value of the complete collection of flags controlling +the format state. These are the flags and their meanings when set: + +@vtable @code +@item ios::dec +@itemx ios::oct +@itemx ios::hex +What numeric base to use in converting integers from internal to display +representation, or vice versa: decimal, octal, or hexadecimal, +respectively. (You can change the base using the manipulator +@code{setbase}, or any of the manipulators @code{dec}, @code{oct}, or +@code{hex}; @pxref{Manipulators,,Changing stream properties in +expressions}.) + +On input, if none of these flags is set, read numeric constants +according to the prefix: decimal if no prefix (or a @samp{.} suffix), +octal if a @samp{0} prefix is present, hexadecimal if a @samp{0x} prefix +is present. + +Default: @code{dec}. + +@item ios::fixed +Avoid scientific notation, and always show a fixed number of digits after +the decimal point, according to the output precision in effect. +Use @code{ios::precision} to set precision. + +@item ios::left +@itemx ios::right +@itemx ios::internal +Where output is to appear in a fixed-width field; left-justified, +right-justified, or with padding in the middle (e.g. between a numeric +sign and the associated value), respectively. + +@item ios::scientific +Use scientific (exponential) notation to display numbers. + +@item ios::showbase +Display the conventional prefix as a visual indicator of the conversion +base: no prefix for decimal, @samp{0} for octal, @samp{0x} for hexadecimal. + +@item ios::showpoint +Display a decimal point and trailing zeros after it to fill out numeric +fields, even when redundant. + +@item ios::showpos +Display a positive sign on display of positive numbers. + +@item ios::skipws +Skip white space. (On by default). + +@item ios::stdio +Flush the C @code{stdio} streams @code{stdout} and @code{stderr} after +each output operation (for programs that mix C and C++ output conventions). + +@item ios::unitbuf +Flush after each output operation. + +@item ios::uppercase +Use upper-case characters for the non-numeral elements in numeric +displays; for instance, @samp{0X7A} rather than @samp{0x7a}, or +@samp{3.14E+09} rather than @samp{3.14e+09}. +@end vtable +@end deftypefn + +@deftypefn Method fmtflags ios::flags (fmtflags @var{value}) +Set @var{value} as the complete collection of flags controlling the +format state. The flag values are described under @samp{ios::flags ()}. + +Use @code{ios::setf} or @code{ios::unsetf} to change one property at a +time. +@end deftypefn + +@deftypefn Method fmtflags ios::setf (fmtflags @var{flag}) +Set one particular flag (of those described for @samp{ios::flags ()}; +return the complete collection of flags @emph{previously} in effect. +(Use @code{ios::unsetf} to cancel.) +@end deftypefn + +@deftypefn Method fmtflags ios::setf (fmtflags @var{flag}, fmtflags @var{mask}) +Clear the flag values indicated by @var{mask}, then set any of them that +are also in @var{flag}. (Flag values are described for @samp{ios::flags +()}.) Return the complete collection of flags @emph{previously} in +effect. (See @code{ios::unsetf} for another way of clearing flags.) +@end deftypefn + +@deftypefn Method fmtflags ios::unsetf (fmtflags @var{flag}) +Make certain @var{flag} (a combination of flag values described for +@samp{ios::flags ()}) is not set for this stream; converse of +@code{ios::setf}. Returns the old values of those flags. +@c FIXME-future: should probably be fixed to give same result as setf. +@end deftypefn + +@node Manipulators +@subsection Changing stream properties using manipulators + +For convenience, @var{manipulators} provide a way to change certain +properties of streams, or otherwise affect them, in the middle of +expressions involving @samp{<<} or @samp{>>}. For example, you might +write + +@example +cout << "|" << setfill('*') << setw(5) << 234 << "|"; +@end example + +@noindent +to produce @samp{|**234|} as output. + +@deftypefn Manipulator {} ws +Skip whitespace. +@end deftypefn + +@deftypefn Manipulator {} flush +Flush an output stream. For example, @samp{cout << @dots{} <<flush;} +has the same effect as @samp{cout << @dots{}; cout.flush();}. +@end deftypefn + +@deftypefn Manipulator {} endl +Write an end of line character @samp{\n}, then flushes the output stream. +@end deftypefn + +@deftypefn Manipulator {} ends +Write @samp{\0} (the string terminator character). +@end deftypefn + +@deftypefn Manipulator {} setprecision (int @var{signif}) +You can change the value of @code{ios::precision} in @samp{<<} +expressions with the manipulator @samp{setprecision(@var{signif})}; for +example, + +@example +cout << setprecision(2) << 4.567; +@end example + +@noindent +prints @samp{4.6}. Requires @file{#include <iomanip.h>}. +@end deftypefn + +@deftypefn Manipulator {} setw (int @var{n}) +You can change the value of @code{ios::width} in @samp{<<} expressions +with the manipulator @samp{setw(@var{n})}; for example, + +@example +cout << setw(5) << 234; +@end example + +@noindent +prints @w{@samp{ 234}} with two leading blanks. Requires @file{#include +<iomanip.h>}. +@end deftypefn + +@deftypefn Manipulator {} setbase (int @var{base}) +Where @var{base} is one of @code{10} (decimal), @code{8} (octal), or +@code{16} (hexadecimal), change the base value for numeric +representations. Requires @file{#include <iomanip.h>}. +@end deftypefn + +@deftypefn Manipulator {} dec +Select decimal base; equivalent to @samp{setbase(10)}. +@end deftypefn + +@deftypefn Manipulator {} hex +Select hexadecimal base; equivalent to @samp{setbase(16)}. +@end deftypefn + +@deftypefn Manipulator {} oct +Select octal base; equivalent to @samp{setbase(8)}. +@end deftypefn + +@deftypefn Manipulator {} setfill (char @var{padding}) +Set the padding character, in the same way as @code{ios::fill}. +Requires @file{#include <iomanip.h>}. +@end deftypefn + +@node Extending +@subsection Extended data fields + +A related collection of methods allows you to extend this collection of +flags and parameters for your own applications, without risk of conflict +between them: + +@deftypefn Method {static fmtflags} ios::bitalloc () +Reserve a bit (the single bit on in the result) to use as a flag. Using +@code{bitalloc} guards against conflict between two packages that use +@code{ios} objects for different purposes. + +This method is available for upward compatibility, but is not in the +@sc{ansi} working paper. The number of bits available is limited; a +return value of @code{0} means no bit is available. +@end deftypefn + +@deftypefn Method {static int} ios::xalloc () +Reserve space for a long integer or pointer parameter. The result is a +unique nonnegative integer. You can use it as an index to +@code{ios::iword} or @code{ios::pword}. Use @code{xalloc} to arrange +for arbitrary special-purpose data in your @code{ios} objects, without +risk of conflict between packages designed for different purposes. +@end deftypefn + +@deftypefn Method long& ios::iword (int @var{index}) +Return a reference to arbitrary data, of long integer type, stored in an +@code{ios} instance. @var{index}, conventionally returned from +@code{ios::xalloc}, identifies what particular data you need. +@end deftypefn + +@deftypefn Method long ios::iword (int @var{index}) const +Return the actual value of a long integer stored in an @code{ios}. +@end deftypefn + +@deftypefn Method void*& ios::pword (int @var{index}) +Return a reference to an arbitrary pointer, stored in an @code{ios} +instance. @var{index}, originally returned from @code{ios::xalloc}, +identifies what particular pointer you need. +@end deftypefn + +@deftypefn Method void* ios::pword (int @var{index}) const +Return the actual value of a pointer stored in an @code{ios}. +@end deftypefn + +@node Synchronization +@subsection Synchronizing related streams + +You can use these methods to synchronize related streams with +one another: + +@deftypefn Method ostream* ios::tie () const +Report on what output stream, if any, is to be flushed before accessing +this one. A pointer value of @code{0} means no stream is tied. +@end deftypefn + +@deftypefn Method ostream* ios::tie (ostream* @var{assoc}) +Declare that output stream @var{assoc} must be flushed before accessing +this stream. +@end deftypefn + +@deftypefn Method int ios::sync_with_stdio ([int @var{switch}]) +Unless iostreams and C @code{stdio} are designed to work together, you +may have to choose between efficient C++ streams output and output +compatible with C @code{stdio}. Use @samp{ios::sync_with_stdio()} to +select C compatibility. + +The argument @var{switch} is a @sc{gnu} extension; use @code{0} as the +argument to choose output that is not necessarily compatible with C +@code{stdio}. The default value for @var{switch} is @code{1}. + +If you install the @code{stdio} implementation that comes with @sc{gnu} +@code{libio}, there are compatible input/output facilities for both C +and C++. In that situation, this method is unnecessary---but you may +still want to write programs that call it, for portability. +@end deftypefn + +@node Streambuf from Ios +@subsection Reaching the underlying @code{streambuf} + +Finally, you can use this method to access the underlying object: + +@deftypefn Method streambuf* ios::rdbuf () const +Return a pointer to the @code{streambuf} object that underlies this +@code{ios}. +@end deftypefn + +@node Ostream +@section Managing output streams: class @code{ostream} + +Objects of class @code{ostream} inherit the generic methods from +@code{ios}, and in addition have the following methods available. +Declarations for this class come from @file{iostream.h}. + +@deftypefn Constructor {} ostream::ostream () +The simplest form of the constructor for an @code{ostream} simply +allocates a new @code{ios} object. +@end deftypefn + +@deftypefn Constructor {} ostream::ostream (streambuf* @var{sb} @w{[, ostream} @var{tie}]) +This alternative constructor requires a first argument @var{sb} of type +@code{streambuf*}, to use an existing open stream for output. It also +accepts an optional second argument @var{tie}, to specify a related +@code{ostream*} as the initial value for @code{ios::tie}. + +If you give the @code{ostream} a @code{streambuf} explicitly, using +this constructor, the @var{sb} is @emph{not} destroyed (or deleted or +closed) when the @code{ostream} is destroyed. +@end deftypefn + +@menu +* Writing:: Writing on an ostream. +* Output Position:: Repositioning an ostream. +* Ostream Housekeeping:: Miscellaneous ostream utilities. +@end menu + +@node Writing +@subsection Writing on an @code{ostream} + +These methods write on an @code{ostream} (you may also use the operator +@code{<<}; @pxref{Operators,,Operators and Default Streams}). + +@deftypefn Method ostream& ostream::put (char @var{c}) +Write the single character @var{c}. +@end deftypefn + +@deftypefn Method ostream& ostream::write (@var{string}, int @var{length}) +Write @var{length} characters of a string to this @code{ostream}, +beginning at the pointer @var{string}. + +@var{string} may have any of these types: @code{char*}, @code{unsigned +char*}, @code{signed char*}. +@end deftypefn + +@deftypefn Method ostream& ostream::form (const char *@var{format}, ...) +A @sc{gnu} extension, similar to @code{fprintf(@var{file}, +@var{format}, ...)}. + +@var{format} is a @code{printf}-style format control string, which is used +to format the (variable number of) arguments, printing the result on +this @code{ostream}. See @code{ostream::vform} for a version that uses +an argument list rather than a variable number of arguments. +@end deftypefn + +@deftypefn Method ostream& ostream::vform (const char *@var{format}, va_list @var{args}) +A @sc{gnu} extension, similar to @code{vfprintf(@var{file}, +@var{format}, @var{args})}. + +@var{format} is a @code{printf}-style format control string, which is used +to format the argument list @var{args}, printing the result on +this @code{ostream}. See @code{ostream::form} for a version that uses a +variable number of arguments rather than an argument list. +@end deftypefn + +@node Output Position +@subsection Repositioning an @code{ostream} + +You can control the output position (on output streams that actually +support positions, typically files) with these methods: +@c FIXME-future: sort out which classes support this and which +@c don't; fstream, filebuf? And what is failure condition when not supported? + +@deftypefn Method streampos ostream::tellp () +Return the current write position in the stream. +@end deftypefn + +@deftypefn Method ostream& ostream::seekp (streampos @var{loc}) +Reset the output position to @var{loc} (which is usually the result of a +previous call to @code{ostream::tellp}). @var{loc} specifies an +absolute position in the output stream. +@end deftypefn + +@deftypefn Method ostream& ostream::seekp (streamoff @var{loc}, @var{rel}) +@findex ios::seekdir +Reset the output position to @var{loc}, relative to the beginning, end, +or current output position in the stream, as indicated by @var{rel} (a +value from the enumeration @code{ios::seekdir}): + +@vtable @code +@item beg +Interpret @var{loc} as an absolute offset from the beginning of the +file. + +@item cur +Interpret @var{loc} as an offset relative to the current output +position. + +@item end +Interpret @var{loc} as an offset from the current end of the output +stream. +@end vtable +@end deftypefn + +@node Ostream Housekeeping +@subsection Miscellaneous @code{ostream} utilities + +You may need to use these @code{ostream} methods for housekeeping: + +@deftypefn Method ostream& flush () +Deliver any pending buffered output for this @code{ostream}. +@end deftypefn + +@deftypefn Method int ostream::opfx () +@code{opfx} is a @dfn{prefix} method for operations on @code{ostream} +objects; it is designed to be called before any further processing. See +@code{ostream::osfx} for the converse. +@c FIXME-future: specify sometime which methods start with opfx. + +@code{opfx} tests that the stream is in state @code{good}, and if so +flushes any stream tied to this one. + +The result is @code{1} when @code{opfx} succeeds; else (if the stream state is +not @code{good}), the result is @code{0}. +@end deftypefn + +@deftypefn Method void ostream::osfx () +@code{osfx} is a @dfn{suffix} method for operations on @code{ostream} +objects; it is designed to be called at the conclusion of any processing. All +the @code{ostream} methods end by calling @code{osfx}. See +@code{ostream::opfx} for the converse. + +If the @code{unitbuf} flag is set for this stream, @code{osfx} flushes +any buffered output for it. + +If the @code{stdio} flag is set for this stream, @code{osfx} flushes any +output buffered for the C output streams @file{stdout} and @file{stderr}. +@end deftypefn + +@node Istream +@section Managing input streams: class @code{istream} + +Class @code{istream} objects are specialized for input; as for +@code{ostream}, they are derived from @code{ios}, so you can use any of +the general-purpose methods from that base class. Declarations for this +class also come from @file{iostream.h}. + +@deftypefn Constructor {} istream::istream () +When used without arguments, the @code{istream} constructor simply +allocates a new @code{ios} object and initializes the input counter (the +value reported by @code{istream::gcount}) to @code{0}. +@end deftypefn + +@deftypefn Constructor {} istream::istream (streambuf *@var{sb} @w{[, ostream} @var{tie}]) +You can also call the constructor with one or two arguments. The first +argument @var{sb} is a @code{streambuf*}; if you supply this pointer, +the constructor uses that @code{streambuf} for input. +You can use the second optional argument @var{tie} to specify a related +output stream as the initial value for @code{ios::tie}. + +If you give the @code{istream} a @code{streambuf} explicitly, using +this constructor, the @var{sb} is @emph{not} destroyed (or deleted or +closed) when the @code{ostream} is destroyed. +@end deftypefn + +@menu +* Char Input:: Reading one character. +* String Input:: Reading strings. +* Input Position:: Repositioning an istream. +* Istream Housekeeping:: Miscellaneous istream utilities. +@end menu + +@node Char Input +@subsection Reading one character + +Use these methods to read a single character from the input stream: + +@deftypefn Method int istream::get () +Read a single character (or @code{EOF}) from the input stream, returning +it (coerced to an unsigned char) as the result. +@end deftypefn + +@deftypefn Method istream& istream::get (char& @var{c}) +Read a single character from the input stream, into @code{&@var{c}}. +@end deftypefn + +@deftypefn Method int istream::peek () +Return the next available input character, but @emph{without} changing +the current input position. +@end deftypefn + +@node String Input +@subsection Reading strings + +Use these methods to read strings (for example, a line at a time) from +the input stream: + +@deftypefn Method istream& istream::get (char* @var{c}, int @var{len} @w{[, char} @var{delim}]) +Read a string from the input stream, into the array at @var{c}. + +The remaining arguments limit how much to read: up to @samp{len-1} +characters, or up to (but not including) the first occurrence in the +input of a particular delimiter character @var{delim}---newline +(@code{\n}) by default. (Naturally, if the stream reaches end of file +first, that too will terminate reading.) + +If @var{delim} was present in the input, it remains available as if +unread; to discard it instead, see @code{iostream::getline}. + +@code{get} writes @samp{\0} at the end of the string, regardless +of which condition terminates the read. +@end deftypefn + +@deftypefn Method istream& istream::get (streambuf& @var{sb} @w{[, char} @var{delim}]) +Read characters from the input stream and copy them on the +@code{streambuf} object @var{sb}. Copying ends either just before the +next instance of the delimiter character @var{delim} (newline @code{\n} +by default), or when either stream ends. If @var{delim} was present in +the input, it remains available as if unread. +@end deftypefn + +@deftypefn Method istream& istream::getline (@var{charptr}, int @var{len} @w{[, char} @var{delim}]) +Read a line from the input stream, into the array at @var{charptr}. +@var{charptr} may be any of three kinds of pointer: @code{char*}, +@code{unsigned char*}, or @code{signed char*}. + +The remaining arguments limit how much to read: up to (but not +including) the first occurrence in the input of a line delimiter +character @var{delim}---newline (@code{\n}) by default, or up to +@samp{len-1} characters (or to end of file, if that happens sooner). + +If @code{getline} succeeds in reading a ``full line'', it also discards +the trailing delimiter character from the input stream. (To preserve it +as available input, see the similar form of @code{iostream::get}.) + +If @var{delim} was @emph{not} found before @var{len} characters or end +of file, @code{getline} sets the @code{ios::fail} flag, as well as the +@code{ios::eof} flag if appropriate. + +@code{getline} writes a null character at the end of the string, regardless +of which condition terminates the read. +@end deftypefn + +@deftypefn Method istream& istream::read (@var{pointer}, int @var{len}) +Read @var{len} bytes into the location at @var{pointer}, unless the +input ends first. + +@var{pointer} may be of type @code{char*}, @code{void*}, @code{unsigned +char*}, or @code{signed char*}. + +If the @code{istream} ends before reading @var{len} bytes, @code{read} +sets the @code{ios::fail} flag. +@end deftypefn + +@deftypefn Method istream& istream::gets (char **@var{s} @w{[, char} @var{delim}]) +A @sc{gnu} extension, to read an arbitrarily long string +from the current input position to the next instance of the @var{delim} +character (newline @code{\n} by default). + +To permit reading a string of arbitrary length, @code{gets} allocates +whatever memory is required. Notice that the first argument @var{s} is +an address to record a character pointer, rather than the pointer +itself. +@end deftypefn + +@deftypefn Method istream& istream::scan (const char *format ...) +A @sc{gnu} extension, similar to @code{fscanf(@var{file}, +@var{format}, ...)}. The @var{format} is a @code{scanf}-style format +control string, which is used to read the variables in the remainder of +the argument list from the @code{istream}. +@end deftypefn + +@deftypefn Method istream& istream::vscan (const char *format, va_list args) +Like @code{istream::scan}, but takes a single @code{va_list} argument. +@end deftypefn + +@node Input Position +@subsection Repositioning an @code{istream} + +Use these methods to control the current input position: + +@deftypefn Method streampos istream::tellg () +Return the current read position, so that you can save it and return to +it later with @code{istream::seekg}. +@end deftypefn + +@deftypefn Method istream& istream::seekg (streampos @var{p}) +Reset the input pointer (if the input device permits it) to @var{p}, +usually the result of an earlier call to @code{istream::tellg}. +@end deftypefn + +@deftypefn Method istream& istream::seekg (streamoff @var{offset}, ios::seek_dir @var{ref}) +Reset the input pointer (if the input device permits it) to @var{offset} +characters from the beginning of the input, the current position, or the +end of input. Specify how to interpret @var{offset} with one of these +values for the second argument: + +@vtable @code +@item ios::beg +Interpret @var{loc} as an absolute offset from the beginning of the +file. + +@item ios::cur +Interpret @var{loc} as an offset relative to the current output +position. + +@item ios::end +Interpret @var{loc} as an offset from the current end of the output +stream. +@end vtable +@end deftypefn + +@node Istream Housekeeping +@subsection Miscellaneous @code{istream} utilities + +Use these methods for housekeeping on @code{istream} objects: + +@deftypefn Method int istream::gcount () +Report how many characters were read from this @code{istream} in the +last unformatted input operation. +@c FIXME! Define "unformatted input" somewhere... +@end deftypefn + +@deftypefn Method int istream::ipfx (int @var{keepwhite}) +Ensure that the @code{istream} object is ready for reading; check for +errors and end of file and flush any tied stream. @code{ipfx} skips +whitespace if you specify @code{0} as the @var{keepwhite} +argument, @emph{and} @code{ios::skipws} is set for this stream. + +To avoid skipping whitespace (regardless of the @code{skipws} setting on +the stream), use @code{1} as the argument. + +Call @code{istream::ipfx} to simplify writing your own methods for reading +@code{istream} objects. +@end deftypefn + +@deftypefn Method void istream::isfx () +A placeholder for compliance with the draft @sc{ansi} standard; this +method does nothing whatever. + +If you wish to write portable standard-conforming code on @code{istream} +objects, call @code{isfx} after any operation that reads from an +@code{istream}; if @code{istream::ipfx} has any special effects that +must be cancelled when done, @code{istream::isfx} will cancel them. +@end deftypefn + +@deftypefn Method istream& istream::ignore ([int @var{n}] @w{[, int} @var{delim}]) +Discard some number of characters pending input. The first optional +argument @var{n} specifies how many characters to skip. The second +optional argument @var{delim} specifies a ``boundary'' character: +@code{ignore} returns immediately if this character appears in the +input. + +By default, @var{delim} is @code{EOF}; that is, if you do not specify a +second argument, only the count @var{n} restricts how much to ignore +(while input is still available). + +If you do not specify how many characters to ignore, @code{ignore} +returns after discarding only one character. +@end deftypefn + +@deftypefn Method istream& istream::putback (char @var{ch}) +Attempts to back up one character, replacing the character backed-up +over by @var{ch}. Returns @code{EOF} if this is not allowed. Putting +back the most recently read character is always allowed. (This method +corresponds to the C function @code{ungetc}.) +@end deftypefn + +@deftypefn Method istream& istream::unget () +Attempt to back up one character. +@end deftypefn + +@node Iostream +@section Input and output together: class @code{iostream} + +If you need to use the same stream for input and output, you can use an +object of the class @code{iostream}, which is derived from @emph{both} +@code{istream} and @code{ostream}. + +The constructors for @code{iostream} behave just like the constructors +for @code{istream}. + +@deftypefn Constructor {} iostream::iostream () +When used without arguments, the @code{iostream} constructor simply +allocates a new @code{ios} object, and initializes the input counter +(the value reported by @code{istream::gcount}) to @code{0}. +@end deftypefn + +@deftypefn Constructor {} iostream::iostream (streambuf* @var{sb} @w{[, ostream*} @var{tie}]) +You can also call a constructor with one or two arguments. The first +argument @var{sb} is a @code{streambuf*}; if you supply this pointer, +the constructor uses that @code{streambuf} for input and output. + +You can use the optional second argument @var{tie} (an @code{ostream*}) +to specify a related output stream as the initial value for +@code{ios::tie}. +@end deftypefn + +@cindex @code{iostream} destructor +@cindex destructor for @code{iostream} +As for @code{ostream} and @code{istream}, @code{iostream} simply uses +the @code{ios} destructor. However, an @code{iostream} is not deleted by +its destructor. + +You can use all the @code{istream}, @code{ostream}, and @code{ios} +methods with an @code{iostream} object. + +@node Files and Strings +@chapter Classes for Files and Strings + +There are two very common special cases of input and output: using files, +and using strings in memory. + +@code{libio} defines four specialized classes for these cases: + +@ftable @code +@item ifstream +Methods for reading files. + +@item ofstream +Methods for writing files. + +@item istrstream +Methods for reading strings from memory. + +@item ostrstream +Methods for writing strings in memory. +@end ftable + +@menu +* Files:: Reading and writing files. +* Strings:: Reading and writing strings in memory. +@end menu + +@node Files +@section Reading and writing files + +These methods are declared in @file{fstream.h}. + +@findex ifstream +@cindex class @code{ifstream} +You can read data from class @code{ifstream} with any operation from class +@code{istream}. There are also a few specialized facilities: + +@deftypefn Constructor {} ifstream::ifstream () +Make an @code{ifstream} associated with a new file for input. (If you +use this version of the constructor, you need to call +@code{ifstream::open} before actually reading anything) +@end deftypefn + +@deftypefn Constructor {} ifstream::ifstream (int @var{fd}) +Make an @code{ifstream} for reading from a file that was already open, +using file descriptor @var{fd}. (This constructor is compatible with +other versions of iostreams for @sc{posix} systems, but is not part of +the @sc{ansi} working paper.) +@end deftypefn + +@deftypefn Constructor {} ifstream::ifstream (const char* @var{fname} @w{[, int} @var{mode} @w{[, int} @var{prot}]]) +Open a file @code{*@var{fname}} for this @code{ifstream} object. + +By default, the file is opened for input (with @code{ios::in} as +@var{mode}). If you use this constructor, the file will be closed when +the @code{ifstream} is destroyed. + +You can use the optional argument @var{mode} to specify how to open the +file, by combining these enumerated values (with @samp{|} bitwise or). +(These values are actually defined in class @code{ios}, so that all +file-related streams may inherit them.) Only some of these modes are +defined in the latest draft @sc{ansi} specification; if portability is +important, you may wish to avoid the others. + +@vtable @code +@item ios::in +Open for input. (Included in @sc{ansi} draft.) + +@item ios::out +Open for output. (Included in @sc{ansi} draft.) + +@item ios::ate +Set the initial input (or output) position to the end of the file. + +@item ios::app +Seek to end of file before each write. (Included in @sc{ansi} draft.) + +@item ios::trunc +Guarantee a fresh file; discard any contents that were previously +associated with it. + +@item ios::nocreate +Guarantee an existing file; fail if the specified file did not already +exist. + +@item ios::noreplace +Guarantee a new file; fail if the specified file already existed. + +@item ios::bin +Open as a binary file (on systems where binary and text files have different +properties, typically how @samp{\n} is mapped; included in @sc{ansi} draft). +@end vtable + +@noindent +The last optional argument @var{prot} is specific to Unix-like systems; +it specifies the file protection (by default @samp{644}). +@end deftypefn + +@deftypefn Method void ifstream::open (const char* @var{fname} @w{[, int} @var{mode} @w{[, int} @var{prot}]]) +Open a file explicitly after the associated @code{ifstream} object +already exists (for instance, after using the default constructor). The +arguments, options and defaults all have the same meanings as in the +fully specified @code{ifstream} constructor. +@end deftypefn + +@findex ostream +@cindex class @code{ostream} +You can write data to class @code{ofstream} with any operation from class +@code{ostream}. There are also a few specialized facilities: + +@deftypefn Constructor {} ofstream::ofstream () +Make an @code{ofstream} associated with a new file for output. +@end deftypefn + +@deftypefn Constructor {} ofstream::ofstream (int @var{fd}) +Make an @code{ofstream} for writing to a file that was already open, +using file descriptor @var{fd}. +@end deftypefn + +@deftypefn Constructor {} ofstream::ofstream (const char* @var{fname} @w{[, int} @var{mode} @w{[, int} @var{prot}]]) +Open a file @code{*@var{fname}} for this @code{ofstream} object. + +By default, the file is opened for output (with @code{ios::out} as @var{mode}). +You can use the optional argument @var{mode} to specify how to open the +file, just as described for @code{ifstream::ifstream}. + +The last optional argument @var{prot} specifies the file protection (by +default @samp{644}). +@end deftypefn + +@deftypefn Destructor {} ofstream::~ofstream () +The files associated with @code{ofstream} objects are closed when the +corresponding object is destroyed. +@end deftypefn + +@deftypefn Method void ofstream::open (const char* @var{fname} @w{[, int} @var{mode} @w{[, int} @var{prot}]]) +Open a file explicitly after the associated @code{ofstream} object +already exists (for instance, after using the default constructor). The +arguments, options and defaults all have the same meanings as in the +fully specified @code{ofstream} constructor. +@end deftypefn + +@findex fstream +@cindex class @code{fstream} +The class @code{fstream} combines the facilities of @code{ifstream} and +@code{ofstream}, just as @code{iostream} combines @code{istream} and +@code{ostream}. + +@c FIXME-future: say something about fstream constructor, maybe. + +@findex fstreambase +@cindex class @code{fstreambase} +The class @code{fstreambase} underlies both @code{ifstream} and +@code{ofstream}. They both inherit this additional method: + +@deftypefn Method void fstreambase::close () +Close the file associated with this object, and set @code{ios::fail} in +this object to mark the event. +@end deftypefn + +@node Strings +@section Reading and writing in memory + +@c FIXME!! Per, there's a lot of guesswork here---please check carefully! + +@findex istrstream +@cindex class @code{istrstream} +@findex ostrstream +@cindex class @code{ostrstream} +@findex strstream +@cindex class @code{strstream} +@findex strstreambase +@cindex class @code{strstreambase} +@findex strstreambuf +@cindex class @code{strstreambuf} +The classes @code{istrstream}, @code{ostrstream}, and @code{strstream} +provide some additional features for reading and writing strings in +memory---both static strings, and dynamically allocated strings. The +underlying class @code{strstreambase} provides some features common to +all three; @code{strstreambuf} underlies that in turn. + +@c FIXME-future: Document strstreambuf methods one day, when we document +@c streambuf more fully. + +@deftypefn Constructor {} istrstream::istrstream (const char* @var{str} @w{[, int} @var{size}]) +Associate the new input string class @code{istrstream} with an existing +static string starting at @var{str}, of size @var{size}. If you do not +specify @var{size}, the string is treated as a @code{NUL} terminated string. +@end deftypefn + +@deftypefn Constructor {} ostrstream::ostrstream () +Create a new stream for output to a dynamically managed string, which +will grow as needed. +@end deftypefn + +@deftypefn Constructor {} ostrstream::ostrstream (char* @var{str}, int @var{size} [,int @var{mode}]) +A new stream for output to a statically defined string of length +@var{size}, starting at @var{str}. You may optionally specify one of +the modes described for @code{ifstream::ifstream}; if you do not specify +one, the new stream is simply open for output, with mode @code{ios::out}. +@end deftypefn + +@deftypefn Method int ostrstream::pcount () +Report the current length of the string associated with this @code{ostrstream}. +@end deftypefn + +@deftypefn Method char* ostrstream::str () +A pointer to the string managed by this @code{ostrstream}. Implies +@samp{ostrstream::freeze()}. + +Note that if you want the string to be nul-terminated, +you must do that yourself (perhaps by writing ends to the stream). +@end deftypefn + +@deftypefn Method void ostrstream::freeze ([int @var{n}]) +If @var{n} is nonzero (the default), declare that the string associated +with this @code{ostrstream} is not to change dynamically; while frozen, +it will not be reallocated if it needs more space, and it will not be +deallocated when the @code{ostrstream} is destroyed. Use +@samp{freeze(1)} if you refer to the string as a pointer after creating +it via @code{ostrstream} facilities. + +@samp{freeze(0)} cancels this declaration, allowing a dynamically +allocated string to be freed when its @code{ostrstream} is destroyed. + +If this @code{ostrstream} is already static---that is, if it was created +to manage an existing statically allocated string---@code{freeze} is +unnecessary, and has no effect. +@end deftypefn + +@deftypefn Method int ostrstream::frozen () +Test whether @code{freeze(1)} is in effect for this string. +@end deftypefn + +@deftypefn Method strstreambuf* strstreambase::rdbuf () +A pointer to the underlying @code{strstreambuf}. +@end deftypefn + +@node Streambuf +@chapter Using the @code{streambuf} Layer + +The @code{istream} and @code{ostream} classes are meant to handle +conversion between objects in your program and their textual representation. + +By contrast, the underlying @code{streambuf} class is for transferring +raw bytes between your program, and input sources or output sinks. +Different @code{streambuf} subclasses connect to different kinds of +sources and sinks. + +The @sc{gnu} implementation of @code{streambuf} is still evolving; we +describe only some of the highlights. + +@menu +* Areas:: Areas in a streambuf. +* Overflow:: Simple output re-direction +* Formatting:: C-style formatting for streambuf objects. +* Stdiobuf:: Wrappers for C stdio. +* Procbuf:: Reading/writing from/to a pipe +* Backing Up:: Marking and returning to a position. +* Indirectbuf:: Forwarding I/O activity. +@end menu + +@node Areas +@section Areas of a @code{streambuf} + +Streambuf buffer management is fairly sophisticated (this is a +nice way to say ``complicated''). The standard protocol +has the following ``areas'': + +@itemize @bullet +@item +@cindex put area +The @dfn{put area} contains characters waiting for output. + +@item +@cindex get area +The @dfn{get area} contains characters available for reading. +@end itemize + +The @sc{gnu} @code{streambuf} design extends this, but the details are +still evolving. + +The following methods are used to manipulate these areas. +These are all protected methods, which are intended to be +used by virtual function in classes derived from @code{streambuf}. +They are also all ANSI/ISO-standard, and the ugly names +are traditional. +(Note that if a pointer points to the 'end' of an area, +it means that it points to the character after the area.) + +@deftypefn Method char* streambuf::pbase () const +Returns a pointer to the start of the put area. +@end deftypefn + +@deftypefn Method char* streambuf::epptr () const +Returns a pointer to the end of the put area. +@end deftypefn + +@deftypefn Method char* streambuf::pptr () const +If @code{pptr() < epptr ()}, the @code{pptr()} +returns a pointer to the current put position. +(In that case, the next write will +overwrite @code{*pptr()}, and increment @code{pptr()}.) +Otherwise, there is no put position available +(and the next character written will cause @code{streambuf::overflow} +to be called). +@end deftypefn + +@deftypefn Method void streambuf::pbump (int @var{N}) +Add @var{N} to the current put pointer. +No error checking is done. +@end deftypefn + +@deftypefn Method void streambuf::setp (char* @var{P}, char* @var{E}) +Sets the start of the put area to @var{P}, the end of the put area to @var{E}, +and the current put pointer to @var{P} (also). +@end deftypefn + +@deftypefn Method char* streambuf::eback () const +Returns a pointer to the start of the get area. +@end deftypefn + +@deftypefn Method char* streambuf::egptr () const +Returns a pointer to the end of the get area. +@end deftypefn + +@deftypefn Method char* streambuf::gptr () const +If @code{gptr() < egptr ()}, then @code{gptr()} +returns a pointer to the current get position. +(In that case the next read will read @code{*gptr()}, +and possibly increment @code{gptr()}.) +Otherwise, there is no read position available +(and the next read will cause @code{streambuf::underflow} +to be called). +@end deftypefn + +@deftypefn Method void streambuf:gbump (int @var{N}) +Add @var{N} to the current get pointer. +No error checking is done. +@end deftypefn + +@deftypefn Method void streambuf::setg (char* @var{B}, char* @var{P}, char* @var{E}) +Sets the start of the get area to @var{B}, the end of the get area to @var{E}, +and the current put pointer to @var{P}. +@end deftypefn + +@node Overflow +@section Simple output re-direction by redefining @code{overflow} + +Suppose you have a function @code{write_to_window} that +writes characters to a @code{window} object. If you want to use the +ostream function to write to it, here is one (portable) way to do it. +This depends on the default buffering (if any). + +@cartouche +@smallexample +#include <iostream.h> +/* Returns number of characters successfully written to @var{win}. */ +extern int write_to_window (window* win, char* text, int length); + +class windowbuf : public streambuf @{ + window* win; + public: + windowbuf (window* w) @{ win = w; @} + int sync (); + int overflow (int ch); + // Defining xsputn is an optional optimization. + // (streamsize was recently added to ANSI C++, not portable yet.) + streamsize xsputn (char* text, streamsize n); +@}; + +int windowbuf::sync () +@{ streamsize n = pptr () - pbase (); + return (n && write_to_window (win, pbase (), n) != n) ? EOF : 0; +@} + +int windowbuf::overflow (int ch) +@{ streamsize n = pptr () - pbase (); + if (n && sync ()) + return EOF; + if (ch != EOF) + @{ + char cbuf[1]; + cbuf[0] = ch; + if (write_to_window (win, cbuf, 1) != 1) + return EOF; + @} + pbump (-n); // Reset pptr(). + return 0; +@} + +streamsize windowbuf::xsputn (char* text, streamsize n) +@{ return sync () == EOF ? 0 : write_to_window (win, text, n); @} + +int +main (int argc, char**argv) +@{ + window *win = ...; + windowbuf wbuf(win); + ostream wstr(&wbuf); + wstr << "Hello world!\n"; +@} +@end smallexample +@end cartouche + + + +@node Formatting +@section C-style formatting for @code{streambuf} objects + +The @sc{gnu} @code{streambuf} class supports @code{printf}-like +formatting and scanning. + +@deftypefn Method int streambuf::form (const char *@var{format}, ...) +Similar to @code{fprintf(@var{file}, @var{format}, ...)}. +The @var{format} is a @code{printf}-style format control string, which is used +to format the (variable number of) arguments, printing the result on +the @code{this} streambuf. The result is the number of characters printed. +@end deftypefn + +@deftypefn Method int streambuf::vform (const char *@var{format}, va_list @var{args}) +Similar to @code{vfprintf(@var{file}, @var{format}, @var{args})}. +The @var{format} is a @code{printf}-style format control string, which is used +to format the argument list @var{args}, printing the result on +the @code{this} streambuf. The result is the number of characters printed. +@end deftypefn + +@deftypefn Method int streambuf::scan (const char *@var{format}, ...) +Similar to @code{fscanf(@var{file}, @var{format}, ...)}. +The @var{format} is a @code{scanf}-style format control string, which is used +to read the (variable number of) arguments from the @code{this} streambuf. +The result is the number of items assigned, or @code{EOF} in case of +input failure before any conversion. +@end deftypefn + +@deftypefn Method int streambuf::vscan (const char *@var{format}, va_list @var{args}) +Like @code{streambuf::scan}, but takes a single @code{va_list} argument. +@end deftypefn + +@node Stdiobuf +@section Wrappers for C @code{stdio} + +A @dfn{stdiobuf} is a @code{streambuf} object that points to +a @code{FILE} object (as defined by @code{stdio.h}). +All @code{streambuf} operations on the @code{stdiobuf} are forwarded +to the @code{FILE}. Thus the @code{stdiobuf} object provides a +wrapper around a @code{FILE}, allowing use of @code{streambuf} +operations on a @code{FILE}. This can be useful when mixing +C code with C++ code. + +The pre-defined streams @code{cin}, @code{cout}, and @code{cerr} are +normally implemented as @code{stdiobuf} objects that point to +respectively @code{stdin}, @code{stdout}, and @code{stderr}. This is +convenient, but it does cost some extra overhead. + +If you set things up to use the implementation of @code{stdio} provided +with this library, then @code{cin}, @code{cout}, and @code{cerr} will be +set up to use @code{stdiobuf} objects, since you get their benefits +for free. @xref{Stdio,,C Input and Output}. + +@ignore +@c FIXME-future: setbuf is not yet documented, hence this para is not useful. +Note that if you use @code{setbuf} to give a buffer to a @code{stdiobuf}, +that buffer will provide intermediate buffering in addition that +whatever is done by the @code{FILE}. +@end ignore + +@node Procbuf +@section Reading/writing from/to a pipe + +The @dfn{procbuf} class is a @sc{gnu} extension. It is derived from +@code{streambuf}. A @code{procbuf} can be @dfn{closed} (in which case +it does nothing), or @dfn{open} (in which case it allows communicating +through a pipe with some other program). + +@deftypefn Constructor {} procbuf::procbuf () +Creates a @code{procbuf} in a @dfn{closed} state. +@end deftypefn + +@deftypefn Method procbuf* procbuf::open (const char *@var{command}, int @var{mode}) +Uses the shell (@file{/bin/sh}) to run a program specified by @var{command}. + +If @var{mode} is @samp{ios::in}, standard output from the program is sent +to a pipe; you can read from the pipe by reading from the +@code{procbuf}. (This is similar to @w{@samp{popen(@var{command}, "r")}}.) + +If @var{mode} is @samp{ios::out}, output written to the +@code{procbuf} is written to a pipe; the program is set up to read its +standard input from (the other end of) the pipe. (This is similar to +@w{@samp{popen(@var{command}, "w")}}.) + +The @code{procbuf} must start out in the @dfn{closed} state. +Returns @samp{*this} on success, and @samp{NULL} on failure. +@end deftypefn + +@deftypefn Constructor {} procbuf::procbuf (const char *@var{command}, int @var{mode}) +Calls @samp{procbuf::open (@var{command}, @var{mode})}. +@end deftypefn + +@deftypefn Method procbuf* procbuf::close () +Waits for the program to finish executing, +and then cleans up the resources used. +Returns @samp{*this} on success, and @samp{NULL} on failure. +@end deftypefn + +@deftypefn Destructor {} procbuf::~procbuf () +Calls @samp{procbuf::close}. +@end deftypefn + +@node Backing Up +@section Backing up + +The @sc{gnu} iostream library allows you to ask a @code{streambuf} to +remember the current position. This allows you to go back to this +position later, after reading further. You can back up arbitrary +amounts, even on unbuffered files or multiple buffers' worth, as long as +you tell the library in advance. This unbounded backup is very useful +for scanning and parsing applications. This example shows a typical +scenario: + +@cartouche +@smallexample +// Read either "dog", "hound", or "hounddog". +// If "dog" is found, return 1. +// If "hound" is found, return 2. +// If "hounddog" is found, return 3. +// If none of these are found, return -1. +int my_scan(streambuf* sb) +@{ + streammarker fence(sb); + char buffer[20]; + // Try reading "hounddog": + if (sb->sgetn(buffer, 8) == 8 + && strncmp(buffer, "hounddog", 8) == 0) + return 3; + // No, no "hounddog": Back up to 'fence' + sb->seekmark(fence); // + // ... and try reading "dog": + if (sb->sgetn(buffer, 3) == 3 + && strncmp(buffer, "dog", 3) == 0) + return 1; + // No, no "dog" either: Back up to 'fence' + sb->seekmark(fence); // + // ... and try reading "hound": + if (sb->sgetn(buffer, 5) == 5 + && strncmp(buffer, "hound", 5) == 0) + return 2; + // No, no "hound" either: Back up and signal failure. + sb->seekmark(fence); // Backup to 'fence' + return -1; +@} +@end smallexample +@end cartouche + +@deftypefn Constructor {} streammarker::streammarker (streambuf* @var{sbuf}) +Create a @code{streammarker} associated with @var{sbuf} +that remembers the current position of the get pointer. +@end deftypefn + +@deftypefn Method int streammarker::delta (streammarker& @var{mark2}) +Return the difference between the get positions corresponding +to @code{*this} and @var{mark2} (which must point into the same +@code{streambuffer} as @code{this}). +@end deftypefn + +@deftypefn Method int streammarker::delta () +Return the position relative to the streambuffer's current get position. +@end deftypefn + +@deftypefn Method int streambuf::seekmark (streammarker& @var{mark}) +Move the get pointer to where it (logically) was when @var{mark} +was constructed. +@end deftypefn + +@node Indirectbuf +@section Forwarding I/O activity + +An @dfn{indirectbuf} is one that forwards all of its I/O requests +to another streambuf. + +@ignore +@c FIXME-future: get_stream and put_stream are so far undocumented. +All get-related requests are sent to get_stream(). +All put-related requests are sent to put_stream(). +@end ignore + +An @code{indirectbuf} can be used to implement Common Lisp +synonym-streams and two-way-streams: + +@example +class synonymbuf : public indirectbuf @{ + Symbol *sym; + synonymbuf(Symbol *s) @{ sym = s; @} + virtual streambuf *lookup_stream(int mode) @{ + return coerce_to_streambuf(lookup_value(sym)); @} +@}; +@end example + +@node Stdio +@chapter C Input and Output + +@code{libio} is distributed with a complete implementation of the ANSI C +@code{stdio} facility. It is implemented using @code{streambuf} +objects. @xref{Stdiobuf,,Wrappers for C @code{stdio}}. + +The @code{stdio} package is intended as a replacement for the whatever +@code{stdio} is in your C library. +@ignore +@c FIXME-future: This is not useful unless we specify what problems. +It can co-exist with C libraries that have alternate implementations of +stdio, but there may be some problems. +@end ignore +Since @code{stdio} works best when you build @code{libc} to contain it, and +that may be inconvenient, it is not installed by default. + +Extensions beyond @sc{ansi}: + +@itemize @bullet +@item +A stdio @code{FILE} is identical to a streambuf. +Hence there is no need to worry about synchronizing C and C++ +input/output---they are by definition always synchronized. + +@item +If you create a new streambuf sub-class (in C++), you can use it as a +@code{FILE} from C. Thus the system is extensible using the standard +@code{streambuf} protocol. + +@item +You can arbitrarily mix reading and writing, without having to seek +in between. + +@item +Unbounded @code{ungetc()} buffer. +@end itemize + +@ignore +@c FIXME-future: Per says this is not ready to go public at v0.5 +@node Libio buffer management +@chapter Libio buffer management + +The libio user functions present an abstract sequence of characters, +that they read and write from. A number of buffers are used to go +between the user program and the abstract sequence. These buffers are +concrete arrays of characters that contain some sub-sequence of the +abstract sequence. + +The libio buffer management protocol is fairly complex. Its design is +based on the C++ @code{streambuf} protocol, so that the C++ +@code{streambuf} classes can be trivially implemented on top of the +libio protocol. + +The @dfn{write area} contains characters waiting for output. + +The @dfn{read area} contains characters available for reading. + +The @dfn{reserve area} is available to virtual methods. +Usually, the get and/or put areas are part of the reserve area. + +The @dfn{main get area} contains characters that have +been read in from the character source, but not yet +read by the application. + +The @dfn{backup area} contains previously read data that is being saved +because of a user request, or that have been "unread" (put back). +@end ignore + +@ignore +@c Per says this design is not finished +@node Streambuf internals +@chapter Streambuf internals + +@menu +* Buffer management:: +* Filebuf internals:: +@end menu + +@node Buffer management +@section Buffer management + +@subsection Areas + +NOTE: This chapter is due for an update. + +Streambuf buffer management is fairly sophisticated (this is a +nice way to say "complicated"). The standard protocol +has the following "areas": + +@itemize @bullet +@cindex put area +@item +The @dfn{put area} contains characters waiting for output. +@cindex get area +@item +The @dfn{get area} contains characters available for reading. +@cindex reserve area +@item +The @dfn{reserve area} is available to virtual methods. +Usually, the get and/or put areas are part of the reserve area. +@end itemize + +The @sc{gnu} @code{streambuf} design extends this by supporting two +get areas: +@itemize @bullet +@cindex main get area +@item +The @dfn{main get area} contains characters that have +been read in from the character source, but not yet +read by the application. +@cindex backup area +@item +The @dfn{backup area} contains previously read data that is being +saved because of a user request, or that have been "unread" (putback). +@end itemize + +The backup and the main get area are logically contiguous: That is, +the first character of the main get area follows the last character +of the backup area. + +The @dfn{current get area} is whichever one of the backup or +main get areas that is currently being read from. +The other of the two is the @dfn{non-current get area}. + +@subsection Pointers + +The following @code{char*} pointers define the various areas. + +@deftypefn Method char* streambuf::base () +The start of the reserve area. +@end deftypefn + +@deftypefn Method char* streambuf::ebuf () +The end of the reserve area. +@end deftypefn + +@deftypefn Method char* streambuf::Gbase () +The start of the main get area. +@end deftypefn + +@deftypefn Method char* streambuf::eGptr () +The end of the main get area. +@end deftypefn + +@deftypefn Method char* streambuf::Bbase () +The start of the backup area. +@end deftypefn + +@deftypefn Method char* streambuf::Bptr () +The start of the used part of the backup area. +The area (@code{Bptr()} .. @code{eBptr()}) contains data that has been +pushed back, while (@code{Bbase()} .. @code{eBptr()}) contains unused +space available for future putbacks. +@end deftypefn + +@deftypefn Method char* streambuf::eBptr () +The end of the backup area. +@end deftypefn + +@deftypefn Method char* streambuf::Nbase () +The start of the non-current get area (either @code{main_gbase} or @code{backup_gbase}). +@end deftypefn + +@deftypefn Method char* streambuf::eNptr () +The end of the non-current get area. +@end deftypefn + +@node Filebuf internals +@section Filebuf internals + +The @code{filebuf} is used a lot, so it is importamt that it be +efficient. It is also supports rather complex semantics. +so let us examine its implementation. + +@subsection Tied read and write pointers + +The streambuf model allows completely independent read and write pointers. +However, a @code{filebuf} has only a single logical pointer used +for both reads and writes. Since the @code{streambuf} protocol +uses @code{gptr()} for reading and @code{pptr()} for writing, +we map the logical file pointer into either @code{gptr()} or @code{pptr()} +at different times. + +@itemize @bullet +@item +Reading is allowed when @code{gptr() < egptr()}, which we call get mode. + +@item +Writing is allowed when @code{pptr() < epptr()}, which we call put mode. +@end itemize + +@noindent +A @code{filebuf} cannot be in get mode and put mode at the same time. + +We have up to two buffers: + +@itemize @bullet +@item +The backup area, defined by @code{Bbase()}, @code{Bptr()}, and @code{eBptr()}. +This can be empty. + +@item +The reserve area, which also contains the main get area. +For an unbuffered file, the (@code{shortbuf()}..@code{shortbuf()+1}) is used, +where @code{shortbuf()} points to a 1-byte buffer that is part of +the @code{filebuf}. +@end itemize + +@noindent +The file system's idea of the current position is @code{eGptr()}. + +Characters that have been written into a buffer but not yet written +out (flushed) to the file systems are those between @code{pbase()} +and @code{pptr()}. + +The end of the valid data bytes is: +@code{pptr() > eGptr() && pptr() < ebuf() ? pptr() : eGptr()}. + +If the @code{filebuf} is unbuffered or line buffered, +the @code{eptr()} is @code{pbase()}. This forces a call +to @code{overflow()} on each put of a character. +The logical @code{epptr()} is @code{epptr() ? ebuf() : NULL}. +(If the buffer is read-only, set @code{pbase()}, @code{pptr()}, +and @code{epptr()} to @code{NULL}. NOT!) +@end ignore + +@node Index +@unnumbered Index +@printindex cp + +@contents +@bye diff --git a/contrib/libio/iostreamP.h b/contrib/libio/iostreamP.h new file mode 100644 index 0000000..c9c40cb --- /dev/null +++ b/contrib/libio/iostreamP.h @@ -0,0 +1,26 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "streambuf.h" +#include "libioP.h" diff --git a/contrib/libio/iostrerror.c b/contrib/libio/iostrerror.c new file mode 100644 index 0000000..348e095 --- /dev/null +++ b/contrib/libio/iostrerror.c @@ -0,0 +1,12 @@ +/* This should be replaced by whatever namespace-clean + version of strerror you have available. */ + +#include "libioP.h" +extern char *strerror __P ((int)); + +char * +_IO_strerror (errnum) + int errnum; +{ + return strerror(errnum); +} diff --git a/contrib/libio/ioungetc.c b/contrib/libio/ioungetc.c new file mode 100644 index 0000000..07f38e7 --- /dev/null +++ b/contrib/libio/ioungetc.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" + +int +_IO_ungetc (c, fp) + int c; + _IO_FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + if (c == EOF) + return EOF; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_sputbackc (fp, (unsigned char) c); + _IO_cleanup_region_end (1); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_ungetc, ungetc) +#endif diff --git a/contrib/libio/iovfprintf.c b/contrib/libio/iovfprintf.c new file mode 100644 index 0000000..755334c --- /dev/null +++ b/contrib/libio/iovfprintf.c @@ -0,0 +1,890 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* + * Copyright (c) 1990 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "%W% (Berkeley) %G%"; +#endif /* LIBC_SCCS and not lint */ + +/* + * Actual printf innards. + * + * This code is large and complicated... + */ + +#include <sys/types.h> +#include "libioP.h" +#include <string.h> +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +#ifndef _IO_USE_DTOA +int __cvt_double __P((double number, register int prec, int flags, int *signp, int fmtch, char *startp, char *endp)); +#endif + +/* + * Define FLOATING_POINT to get floating point. + */ +#ifndef NO_FLOATING_POINT +#define FLOATING_POINT +#endif + +/* end of configuration stuff */ + + +/* + * Helper "class" for `fprintf to unbuffered': creates a + * temporary buffer. */ + +struct helper_file +{ + struct _IO_FILE_plus _f; + _IO_FILE *_put_stream; +}; + +static int +_IO_helper_overflow (fp, c) + _IO_FILE *fp; + int c; +{ + _IO_FILE *target = ((struct helper_file*)fp)->_put_stream; + int used = fp->_IO_write_ptr - fp->_IO_write_base; + if (used) + { + _IO_sputn(target, fp->_IO_write_base, used); + fp->_IO_write_ptr -= used; + } + return _IO_putc (c, fp); +} + +static struct _IO_jump_t _IO_helper_jumps = { + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_default_finish), + JUMP_INIT(overflow, _IO_helper_overflow), + JUMP_INIT(underflow, _IO_default_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_default_pbackfail), + JUMP_INIT(xsputn, _IO_default_xsputn), + JUMP_INIT(xsgetn, _IO_default_xsgetn), + JUMP_INIT(seekoff, _IO_default_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, _IO_default_setbuf), + JUMP_INIT(sync, _IO_default_sync), + JUMP_INIT(doallocate, _IO_default_doallocate), + JUMP_INIT(read, _IO_default_read), + JUMP_INIT(write, _IO_default_write), + JUMP_INIT(seek, _IO_default_seek), + JUMP_INIT(close, _IO_default_close), + JUMP_INIT(stat, _IO_default_stat) +}; + +static int +helper_vfprintf (fp, fmt0, ap) + _IO_FILE *fp; + char const *fmt0; + _IO_va_list ap; +{ + char buf[_IO_BUFSIZ]; + struct helper_file helper; + register _IO_FILE *hp = (_IO_FILE*)&helper; + int result, to_flush; + + /* initialize helper */ + helper._put_stream = fp; + hp->_IO_write_base = buf; + hp->_IO_write_ptr = buf; + hp->_IO_write_end = buf+_IO_BUFSIZ; + hp->_IO_file_flags = _IO_MAGIC|_IO_NO_READS; + _IO_JUMPS(hp) = &_IO_helper_jumps; + + /* Now print to helper instead. */ + result = _IO_vfprintf(hp, fmt0, ap); + + /* Now flush anything from the helper to the fp. */ + if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0) + { + if (_IO_sputn(fp, hp->_IO_write_base, to_flush) != to_flush) + return EOF; + } + return result; +} + +#ifdef FLOATING_POINT + +#include "floatio.h" +#define BUF (MAXEXP+MAXFRACT+1) /* + decimal point */ +#define DEFPREC 6 +extern double modf __P((double, double*)); + +#else /* no FLOATING_POINT */ + +#define BUF 40 + +#endif /* FLOATING_POINT */ + + +/* + * Macros for converting digits to letters and vice versa + */ +#define to_digit(c) ((c) - '0') +#define is_digit(c) ((unsigned)to_digit(c) <= 9) +#define to_char(n) ((n) + '0') + +/* + * Flags used during conversion. + */ +#define LONGINT 0x01 /* long integer */ +#define LONGDBL 0x02 /* long double; unimplemented */ +#define SHORTINT 0x04 /* short integer */ +#define ALT 0x08 /* alternate form */ +#define LADJUST 0x10 /* left adjustment */ +#define ZEROPAD 0x20 /* zero (as opposed to blank) pad */ +#define HEXPREFIX 0x40 /* add 0x or 0X prefix */ + +int +_IO_vfprintf (fp, fmt0, ap) + _IO_FILE *fp; + char const *fmt0; + _IO_va_list ap; +{ + register const char *fmt; /* format string */ + register int ch; /* character from fmt */ + register int n; /* handy integer (short term usage) */ + register char *cp; /* handy char pointer (short term usage) */ + const char *fmark; /* for remembering a place in fmt */ + register int flags; /* flags as above */ + int ret; /* return value accumulator */ + int width; /* width from format (%8d), or 0 */ + int prec; /* precision from format (%.3d), or -1 */ + char sign; /* sign prefix (' ', '+', '-', or \0) */ +#ifdef FLOATING_POINT + int softsign; /* temporary negative sign for floats */ + double _double; /* double precision arguments %[eEfgG] */ +#ifndef _IO_USE_DTOA + int fpprec; /* `extra' floating precision in [eEfgG] */ +#endif +#endif + unsigned long _ulong; /* integer arguments %[diouxX] */ + enum { OCT, DEC, HEX } base;/* base for [diouxX] conversion */ + int dprec; /* a copy of prec if [diouxX], 0 otherwise */ + int dpad; /* extra 0 padding needed for integers */ + int fieldsz; /* field size expanded by sign, dpad etc */ + /* The initialization of 'size' is to suppress a warning that + 'size' might be used unitialized. It seems gcc can't + quite grok this spaghetti code ... */ + int size = 0; /* size of converted field or string */ + char buf[BUF]; /* space for %c, %[diouxX], %[eEfgG] */ + char ox[2]; /* space for 0x hex-prefix */ + + /* + * BEWARE, these `goto error' on error, and PAD uses `n'. + */ +#define PRINT(ptr, len) \ + do { if (_IO_sputn(fp,ptr, len) != len) goto error; } while (0) +#define PAD_SP(howmany) if (_IO_padn(fp, ' ', howmany) < (howmany)) goto error; +#define PAD_0(howmany) if (_IO_padn(fp, '0', howmany) < (howmany)) goto error; + + /* + * To extend shorts properly, we need both signed and unsigned + * argument extraction methods. + */ +#define SARG() \ + (flags&LONGINT ? va_arg(ap, long) : \ + flags&SHORTINT ? (long)(short)va_arg(ap, int) : \ + (long)va_arg(ap, int)) +#define UARG() \ + (flags&LONGINT ? va_arg(ap, unsigned long) : \ + flags&SHORTINT ? (unsigned long)(unsigned short)va_arg(ap, int) : \ + (unsigned long)va_arg(ap, unsigned int)) + + /* optimise stderr (and other unbuffered Unix files) */ + if (fp->_IO_file_flags & _IO_UNBUFFERED) + return helper_vfprintf(fp, fmt0, ap); + + fmt = fmt0; + ret = 0; + + /* + * Scan the format for conversions (`%' character). + */ + for (;;) { + for (fmark = fmt; (ch = *fmt) != '\0' && ch != '%'; fmt++) + /* void */; + if ((n = fmt - fmark) != 0) { + PRINT(fmark, n); + ret += n; + } + if (ch == '\0') + goto done; + fmt++; /* skip over '%' */ + + flags = 0; + dprec = 0; +#if defined(FLOATING_POINT) && !defined (_IO_USE_DTOA) + fpprec = 0; +#endif + width = 0; + prec = -1; + sign = '\0'; + +rflag: ch = *fmt++; +reswitch: switch (ch) { + case ' ': + /* + * ``If the space and + flags both appear, the space + * flag will be ignored.'' + * -- ANSI X3J11 + */ + if (!sign) + sign = ' '; + goto rflag; + case '#': + flags |= ALT; + goto rflag; + case '*': + /* + * ``A negative field width argument is taken as a + * - flag followed by a positive field width.'' + * -- ANSI X3J11 + * They don't exclude field widths read from args. + */ + if ((width = va_arg(ap, int)) >= 0) + goto rflag; + width = -width; + /* FALLTHROUGH */ + case '-': + flags |= LADJUST; + flags &= ~ZEROPAD; /* '-' disables '0' */ + goto rflag; + case '+': + sign = '+'; + goto rflag; + case '.': + if ((ch = *fmt++) == '*') { + n = va_arg(ap, int); + prec = n < 0 ? -1 : n; + goto rflag; + } + n = 0; + while (is_digit(ch)) { + n = 10 * n + to_digit(ch); + ch = *fmt++; + } + prec = n < 0 ? -1 : n; + goto reswitch; + case '0': + /* + * ``Note that 0 is taken as a flag, not as the + * beginning of a field width.'' + * -- ANSI X3J11 + */ + if (!(flags & LADJUST)) + flags |= ZEROPAD; /* '-' disables '0' */ + goto rflag; + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + n = 0; + do { + n = 10 * n + to_digit(ch); + ch = *fmt++; + } while (is_digit(ch)); + width = n; + goto reswitch; +#ifdef FLOATING_POINT + case 'L': + flags |= LONGDBL; + goto rflag; +#endif + case 'h': + flags |= SHORTINT; + goto rflag; + case 'l': + flags |= LONGINT; + goto rflag; + case 'c': + *(cp = buf) = va_arg(ap, int); + size = 1; + sign = '\0'; + break; + case 'D': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'd': + case 'i': + _ulong = SARG(); + if ((long)_ulong < 0) { + _ulong = -_ulong; + sign = '-'; + } + base = DEC; + goto number; +#ifdef FLOATING_POINT + case 'e': + case 'E': + case 'f': + case 'F': + case 'g': + case 'G': + _double = va_arg(ap, double); +#ifdef _IO_USE_DTOA + { + int fmt_flags = 0; + int fill = ' '; + if (flags & ALT) + fmt_flags |= _IO_SHOWPOINT; + if (flags & LADJUST) + fmt_flags |= _IO_LEFT; + else if (flags & ZEROPAD) + fmt_flags |= _IO_INTERNAL, fill = '0'; + n = _IO_outfloat(_double, fp, ch, width, + prec < 0 ? DEFPREC : prec, + fmt_flags, sign, fill); + if (n < 0) + goto error; + ret += n; + } + /* CHECK ERROR! */ + continue; +#else + /* + * don't do unrealistic precision; just pad it with + * zeroes later, so buffer size stays rational. + */ + if (prec > MAXFRACT) { + if ((ch != 'g' && ch != 'G') || (flags&ALT)) + fpprec = prec - MAXFRACT; + prec = MAXFRACT; + } else if (prec == -1) + prec = DEFPREC; + /* __cvt_double may have to round up before the + "start" of its buffer, i.e. + ``intf("%.2f", (double)9.999);''; + if the first character is still NUL, it did. + softsign avoids negative 0 if _double < 0 but + no significant digits will be shown. */ + cp = buf; + *cp = '\0'; + size = __cvt_double(_double, prec, flags, &softsign, + ch, cp, buf + sizeof(buf)); + if (softsign) + sign = '-'; + if (*cp == '\0') + cp++; + break; +#endif +#endif /* FLOATING_POINT */ + case 'n': + if (flags & LONGINT) + *va_arg(ap, long *) = ret; + else if (flags & SHORTINT) + *va_arg(ap, short *) = ret; + else + *va_arg(ap, int *) = ret; + continue; /* no output */ + case 'O': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'o': + _ulong = UARG(); + base = OCT; + goto nosign; + case 'p': + /* + * ``The argument shall be a pointer to void. The + * value of the pointer is converted to a sequence + * of printable characters, in an implementation- + * defined manner.'' + * -- ANSI X3J11 + */ + /* NOSTRICT */ + _ulong = (unsigned long)va_arg(ap, void *); + base = HEX; + flags |= HEXPREFIX; + ch = 'x'; + goto nosign; + case 's': + if ((cp = va_arg(ap, char *)) == NULL) + cp = "(null)"; + if (prec >= 0) { + /* + * can't use strlen; can only look for the + * NUL in the first `prec' characters, and + * strlen() will go further. + */ + char *p = (char*)memchr(cp, 0, prec); + + if (p != NULL) { + size = p - cp; + if (size > prec) + size = prec; + } else + size = prec; + } else + size = strlen(cp); + sign = '\0'; + break; + case 'U': + flags |= LONGINT; + /*FALLTHROUGH*/ + case 'u': + _ulong = UARG(); + base = DEC; + goto nosign; + case 'X': + case 'x': + _ulong = UARG(); + base = HEX; + /* leading 0x/X only if non-zero */ + if (flags & ALT && _ulong != 0) + flags |= HEXPREFIX; + + /* unsigned conversions */ +nosign: sign = '\0'; + /* + * ``... diouXx conversions ... if a precision is + * specified, the 0 flag will be ignored.'' + * -- ANSI X3J11 + */ +number: if ((dprec = prec) >= 0) + flags &= ~ZEROPAD; + + /* + * ``The result of converting a zero value with an + * explicit precision of zero is no characters.'' + * -- ANSI X3J11 + */ + cp = buf + BUF; + if (_ulong != 0 || prec != 0) { + char *xdigs; /* digits for [xX] conversion */ + /* + * unsigned mod is hard, and unsigned mod + * by a constant is easier than that by + * a variable; hence this switch. + */ + switch (base) { + case OCT: + do { + *--cp = to_char(_ulong & 7); + _ulong >>= 3; + } while (_ulong); + /* handle octal leading 0 */ + if (flags & ALT && *cp != '0') + *--cp = '0'; + break; + + case DEC: + /* many numbers are 1 digit */ + while (_ulong >= 10) { + *--cp = to_char(_ulong % 10); + _ulong /= 10; + } + *--cp = to_char(_ulong); + break; + + case HEX: + if (ch == 'X') + xdigs = "0123456789ABCDEF"; + else /* ch == 'x' || ch == 'p' */ + xdigs = "0123456789abcdef"; + do { + *--cp = xdigs[_ulong & 15]; + _ulong >>= 4; + } while (_ulong); + break; + + default: + cp = "bug in vform: bad base"; + goto skipsize; + } + } + size = buf + BUF - cp; + skipsize: + break; + default: /* "%?" prints ?, unless ? is NUL */ + if (ch == '\0') + goto done; + /* pretend it was %c with argument ch */ + cp = buf; + *cp = ch; + size = 1; + sign = '\0'; + break; + } + + /* + * All reasonable formats wind up here. At this point, + * `cp' points to a string which (if not flags&LADJUST) + * should be padded out to `width' places. If + * flags&ZEROPAD, it should first be prefixed by any + * sign or other prefix; otherwise, it should be blank + * padded before the prefix is emitted. After any + * left-hand padding and prefixing, emit zeroes + * required by a decimal [diouxX] precision, then print + * the string proper, then emit zeroes required by any + * leftover floating precision; finally, if LADJUST, + * pad with blanks. + */ + + /* + * compute actual size, so we know how much to pad. + */ +#if defined(FLOATING_POINT) && !defined (_IO_USE_DTOA) + fieldsz = size + fpprec; +#else + fieldsz = size; +#endif + dpad = dprec - size; + if (dpad < 0) + dpad = 0; + + if (sign) + fieldsz++; + else if (flags & HEXPREFIX) + fieldsz += 2; + fieldsz += dpad; + + /* right-adjusting blank padding */ + if ((flags & (LADJUST|ZEROPAD)) == 0) + PAD_SP(width - fieldsz); + + /* prefix */ + if (sign) { + PRINT(&sign, 1); + } else if (flags & HEXPREFIX) { + ox[0] = '0'; + ox[1] = ch; + PRINT(ox, 2); + } + + /* right-adjusting zero padding */ + if ((flags & (LADJUST|ZEROPAD)) == ZEROPAD) + PAD_0(width - fieldsz); + + /* leading zeroes from decimal precision */ + PAD_0(dpad); + + /* the string or number proper */ + PRINT(cp, size); + +#if defined(FLOATING_POINT) && !defined (_IO_USE_DTOA) + /* trailing f.p. zeroes */ + PAD_0(fpprec); +#endif + + /* left-adjusting padding (always blank) */ + if (flags & LADJUST) + PAD_SP(width - fieldsz); + + /* finally, adjust ret */ + ret += width > fieldsz ? width : fieldsz; + + } +done: + return ret; +error: + return EOF; + /* NOTREACHED */ +} + +#if defined(FLOATING_POINT) && !defined(_IO_USE_DTOA) + +static char *exponent(register char *p, register int exp, int fmtch) +{ + register char *t; + char expbuf[MAXEXP]; + + *p++ = fmtch; + if (exp < 0) { + exp = -exp; + *p++ = '-'; + } + else + *p++ = '+'; + t = expbuf + MAXEXP; + if (exp > 9) { + do { + *--t = to_char(exp % 10); + } while ((exp /= 10) > 9); + *--t = to_char(exp); + for (; t < expbuf + MAXEXP; *p++ = *t++); + } + else { + *p++ = '0'; + *p++ = to_char(exp); + } + return (p); +} + +static char * round(double fract, int *exp, + register char *start, register char *end, + char ch, int *signp) +{ + double tmp; + + if (fract) + (void)modf(fract * 10, &tmp); + else + tmp = to_digit(ch); + if (tmp > 4) + for (;; --end) { + if (*end == '.') + --end; + if (++*end <= '9') + break; + *end = '0'; + if (end == start) { + if (exp) { /* e/E; increment exponent */ + *end = '1'; + ++*exp; + } + else { /* f; add extra digit */ + *--end = '1'; + --start; + } + break; + } + } + /* ``"%.3f", (double)-0.0004'' gives you a negative 0. */ + else if (*signp == '-') + for (;; --end) { + if (*end == '.') + --end; + if (*end != '0') + break; + if (end == start) + *signp = 0; + } + return (start); +} + +int __cvt_double(double number, register int prec, int flags, int *signp, + int fmtch, char *startp, char *endp) +{ + register char *p, *t; + register double fract; + int dotrim = 0, expcnt, gformat = 0; + double integer, tmp; + + expcnt = 0; + if (number < 0) { + number = -number; + *signp = '-'; + } else + *signp = 0; + + fract = modf(number, &integer); + + /* get an extra slot for rounding. */ + t = ++startp; + + /* + * get integer portion of number; put into the end of the buffer; the + * .01 is added for modf(356.0 / 10, &integer) returning .59999999... + */ + for (p = endp - 1; p >= startp && integer; ++expcnt) { + tmp = modf(integer / 10, &integer); + *p-- = to_char((int)((tmp + .01) * 10)); + } + switch (fmtch) { + case 'f': + case 'F': + /* reverse integer into beginning of buffer */ + if (expcnt) + for (; ++p < endp; *t++ = *p); + else + *t++ = '0'; + /* + * if precision required or alternate flag set, add in a + * decimal point. + */ + if (prec || flags&ALT) + *t++ = '.'; + /* if requires more precision and some fraction left */ + if (fract) { + if (prec) + do { + fract = modf(fract * 10, &tmp); + *t++ = to_char((int)tmp); + } while (--prec && fract); + if (fract) + startp = round(fract, (int *)NULL, startp, + t - 1, (char)0, signp); + } + for (; prec--; *t++ = '0'); + break; + case 'e': + case 'E': +eformat: if (expcnt) { + *t++ = *++p; + if (prec || flags&ALT) + *t++ = '.'; + /* if requires more precision and some integer left */ + for (; prec && ++p < endp; --prec) + *t++ = *p; + /* + * if done precision and more of the integer component, + * round using it; adjust fract so we don't re-round + * later. + */ + if (!prec && ++p < endp) { + fract = 0; + startp = round((double)0, &expcnt, startp, + t - 1, *p, signp); + } + /* adjust expcnt for digit in front of decimal */ + --expcnt; + } + /* until first fractional digit, decrement exponent */ + else if (fract) { + /* adjust expcnt for digit in front of decimal */ + for (expcnt = -1;; --expcnt) { + fract = modf(fract * 10, &tmp); + if (tmp) + break; + } + *t++ = to_char((int)tmp); + if (prec || flags&ALT) + *t++ = '.'; + } + else { + *t++ = '0'; + if (prec || flags&ALT) + *t++ = '.'; + } + /* if requires more precision and some fraction left */ + if (fract) { + if (prec) + do { + fract = modf(fract * 10, &tmp); + *t++ = to_char((int)tmp); + } while (--prec && fract); + if (fract) + startp = round(fract, &expcnt, startp, + t - 1, (char)0, signp); + } + /* if requires more precision */ + for (; prec--; *t++ = '0'); + + /* unless alternate flag, trim any g/G format trailing 0's */ + if (gformat && !(flags&ALT)) { + while (t > startp && *--t == '0'); + if (*t == '.') + --t; + ++t; + } + t = exponent(t, expcnt, fmtch); + break; + case 'g': + case 'G': + /* a precision of 0 is treated as a precision of 1. */ + if (!prec) + ++prec; + /* + * ``The style used depends on the value converted; style e + * will be used only if the exponent resulting from the + * conversion is less than -4 or greater than the precision.'' + * -- ANSI X3J11 + */ + if (expcnt > prec || (!expcnt && fract && fract < .0001)) { + /* + * g/G format counts "significant digits, not digits of + * precision; for the e/E format, this just causes an + * off-by-one problem, i.e. g/G considers the digit + * before the decimal point significant and e/E doesn't + * count it as precision. + */ + --prec; + fmtch -= 2; /* G->E, g->e */ + gformat = 1; + goto eformat; + } + /* + * reverse integer into beginning of buffer, + * note, decrement precision + */ + if (expcnt) + for (; ++p < endp; *t++ = *p, --prec); + else + *t++ = '0'; + /* + * if precision required or alternate flag set, add in a + * decimal point. If no digits yet, add in leading 0. + */ + if (prec || flags&ALT) { + dotrim = 1; + *t++ = '.'; + } + else + dotrim = 0; + /* if requires more precision and some fraction left */ + if (fract) { + if (prec) { + /* If no integer part, don't count initial + * zeros as significant digits. */ + do { + fract = modf(fract * 10, &tmp); + *t++ = to_char((int)tmp); + } while(!tmp && !expcnt); + while (--prec && fract) { + fract = modf(fract * 10, &tmp); + *t++ = to_char((int)tmp); + } + } + if (fract) + startp = round(fract, (int *)NULL, startp, + t - 1, (char)0, signp); + } + /* alternate format, adds 0's for precision, else trim 0's */ + if (flags&ALT) + for (; prec--; *t++ = '0'); + else if (dotrim) { + while (t > startp && *--t == '0'); + if (*t != '.') + ++t; + } + } + return (t - startp); +} + +#endif /* defined(FLOATING_POINT) && !defined(_IO_USE_DTOA) */ diff --git a/contrib/libio/iovfscanf.c b/contrib/libio/iovfscanf.c new file mode 100644 index 0000000..0631458 --- /dev/null +++ b/contrib/libio/iovfscanf.c @@ -0,0 +1,790 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* Extensively hacked for GNU iostream by Per Bothner 1991, 1992, 1993. + Changes copyright Free Software Foundation 1992, 1993. */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "%W% (Berkeley) %G%"; +#endif /* LIBC_SCCS and not lint */ + +#include <libioP.h> +#include <ctype.h> +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +#ifndef NO_FLOATING_POINT +#define FLOATING_POINT +#endif + +#ifdef FLOATING_POINT +#include "floatio.h" +#define BUF (MAXEXP+MAXFRACT+3) /* 3 = sign + decimal point + NUL */ +#else +#define BUF 40 +#endif + +/* + * Flags used during conversion. + */ +#define LONG 0x01 /* l: long or double */ +#define LONGDBL 0x02 /* L: long double; unimplemented */ +#define SHORT 0x04 /* h: short */ +#define SUPPRESS 0x08 /* suppress assignment */ +#define POINTER 0x10 /* weird %p pointer (`fake hex') */ +#define NOSKIP 0x20 /* do not skip blanks */ +#define WIDTH 0x40 /* width */ + +/* + * The following are used in numeric conversions only: + * SIGNOK, NDIGITS, DPTOK, and EXPOK are for floating point; + * SIGNOK, NDIGITS, PFXOK, and NZDIGITS are for integral. + */ +#define SIGNOK 0x40 /* +/- is (still) legal */ +#define NDIGITS 0x80 /* no digits detected */ + +#define DPTOK 0x100 /* (float) decimal point is still legal */ +#define EXPOK 0x200 /* (float) exponent (e+3, etc) still legal */ + +#define PFXOK 0x100 /* 0x prefix is (still) legal */ +#define NZDIGITS 0x200 /* no zero digits detected */ + +/* + * Conversion types. + */ +#define CT_CHAR 0 /* %c conversion */ +#define CT_CCL 1 /* %[...] conversion */ +#define CT_STRING 2 /* %s conversion */ +#define CT_INT 3 /* integer, i.e., strtol or strtoul */ +#define CT_FLOAT 4 /* floating, i.e., strtod */ + +#define u_char unsigned char +#define u_long unsigned long + +#ifdef __cplusplus +extern "C" { +#endif +extern u_long strtoul __P((const char*, char**, int)); +extern long strtol __P((const char*, char**, int)); +static const u_char *__sccl __P((char *tab, const u_char *fmt)); +#ifndef _IO_USE_DTOA +extern double atof(); +#endif +#ifdef __cplusplus +} +#endif + +/* If errp != NULL, *errp|=1 if we see a premature EOF; + *errp|=2 if we an invalid character. */ + +int +_IO_vfscanf (fp, fmt0, ap, errp) + _IO_FILE *fp; + char const *fmt0; + _IO_va_list ap; + int *errp; +{ + register const u_char *fmt = (const u_char *)fmt0; + register int c; /* character from format, or conversion */ + register _IO_ssize_t width; /* field width, or 0 */ + register char *p; /* points into all kinds of strings */ + register int n; /* handy integer */ + register int flags = 0; /* flags as defined above */ + register char *p0; /* saves original value of p when necessary */ + int nassigned; /* number of fields assigned */ + int nread; /* number of characters consumed from fp */ + /* Assignments to base and ccfn are just to suppress warnings from gcc.*/ + int base = 0; /* base argument to strtol/strtoul */ + typedef u_long (*strtoulfn) __P((const char*, char**, int)); + strtoulfn ccfn = 0; + /* conversion function (strtol/strtoul) */ + char ccltab[256]; /* character class table for %[...] */ + char buf[BUF]; /* buffer for numeric conversions */ + int seen_eof = 0; + + /* `basefix' is used to avoid `if' tests in the integer scanner */ + static short basefix[17] = + { 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; + + nassigned = 0; + nread = 0; + for (;;) { + c = *fmt++; + if (c == 0) + goto done; + if (isspace(c)) { + for (;;) { + c = _IO_getc(fp); + if (c == EOF) { + seen_eof++; + break; + } + if (!isspace(c)) { + _IO_ungetc (c, fp); + break; + } + nread++; + } + continue; + } + if (c != '%') + goto literal; + width = 0; + flags = 0; + /* + * switch on the format. continue if done; + * break once format type is derived. + */ +again: c = *fmt++; + switch (c) { + case '%': +literal: + n = _IO_getc(fp); + if (n == EOF) + goto eof_failure; + if (n != c) { + _IO_ungetc (n, fp); + goto match_failure; + } + nread++; + continue; + + case '*': + if (flags) goto control_failure; + flags = SUPPRESS; + goto again; + case 'l': + if (flags & ~(SUPPRESS | WIDTH)) goto control_failure; + flags |= LONG; + goto again; + case 'L': + if (flags & ~(SUPPRESS | WIDTH)) goto control_failure; + flags |= LONGDBL; + goto again; + case 'h': + if (flags & ~(SUPPRESS | WIDTH)) goto control_failure; + flags |= SHORT; + goto again; + + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + if (flags & ~(SUPPRESS | WIDTH)) goto control_failure; + flags |= WIDTH; + width = width * 10 + c - '0'; + goto again; + + /* + * Conversions. + * Those marked `compat' are for 4.[123]BSD compatibility. + * + * (According to ANSI, E and X formats are supposed + * to the same as e and x. Sorry about that.) + */ + case 'D': /* compat */ + flags |= LONG; + /* FALLTHROUGH */ + case 'd': + c = CT_INT; + ccfn = (strtoulfn)strtol; + base = 10; + break; + + case 'i': + c = CT_INT; + ccfn = (strtoulfn)strtol; + base = 0; + break; + + case 'O': /* compat */ + flags |= LONG; + /* FALLTHROUGH */ + case 'o': + c = CT_INT; + ccfn = strtoul; + base = 8; + break; + + case 'u': + c = CT_INT; + ccfn = strtoul; + base = 10; + break; + + case 'X': + case 'x': + flags |= PFXOK; /* enable 0x prefixing */ + c = CT_INT; + ccfn = strtoul; + base = 16; + break; + +#ifdef FLOATING_POINT + case 'E': case 'F': + case 'e': case 'f': case 'g': + c = CT_FLOAT; + break; +#endif + + case 's': + c = CT_STRING; + break; + + case '[': + fmt = __sccl(ccltab, fmt); + flags |= NOSKIP; + c = CT_CCL; + break; + + case 'c': + flags |= NOSKIP; + c = CT_CHAR; + break; + + case 'p': /* pointer format is like hex */ + flags |= POINTER | PFXOK; + c = CT_INT; + ccfn = strtoul; + base = 16; + break; + + case 'n': + if (flags & SUPPRESS) /* ??? */ + continue; + if (flags & SHORT) + *va_arg(ap, short *) = nread; + else if (flags & LONG) + *va_arg(ap, long *) = nread; + else + *va_arg(ap, int *) = nread; + continue; + + /* + * Disgusting backwards compatibility hacks. XXX + */ + case '\0': /* compat */ + nassigned = EOF; + goto done; + + default: /* compat */ + if (isupper(c)) + flags |= LONG; + c = CT_INT; + ccfn = (strtoulfn)strtol; + base = 10; + break; + } + + /* + * We have a conversion that requires input. + */ + if (_IO_peekc(fp) == EOF) + goto eof_failure; + + /* + * Consume leading white space, except for formats + * that suppress this. + */ + if ((flags & NOSKIP) == 0) { + n = (unsigned char)*fp->_IO_read_ptr; + while (isspace(n)) { + fp->_IO_read_ptr++; + nread++; + n = _IO_peekc(fp); + if (n == EOF) + goto eof_failure; + } + /* Note that there is at least one character in + the buffer, so conversions that do not set NOSKIP + can no longer result in an input failure. */ + } + + /* + * Do the conversion. + */ + switch (c) { + + case CT_CHAR: + /* scan arbitrary characters (sets NOSKIP) */ + if (width == 0) /* FIXME! */ + width = 1; + if (flags & SUPPRESS) { + _IO_size_t sum = 0; + for (;;) { + n = fp->_IO_read_end - fp->_IO_read_ptr; + if (n < (int)width) { + sum += n; + width -= n; + fp->_IO_read_ptr += n; + if (__underflow(fp) == EOF) + if (sum == 0) + goto eof_failure; + else { + seen_eof++; + break; + } + } else { + sum += width; + fp->_IO_read_ptr += width; + break; + } + } + nread += sum; + } else { + _IO_size_t r = + + _IO_XSGETN (fp, (char*)va_arg(ap, char*), width); + if (r != width) + goto eof_failure; + nread += r; + nassigned++; + } + break; + + case CT_CCL: + /* scan a (nonempty) character class (sets NOSKIP) */ + if (width == 0) + width = ~0; /* `infinity' */ + /* take only those things in the class */ + if (flags & SUPPRESS) { + n = 0; + while (ccltab[(unsigned char)*fp->_IO_read_ptr]) { + n++, fp->_IO_read_ptr++; + if (--width == 0) + break; + if (_IO_peekc(fp) == EOF) { + if (n == 0) + goto eof_failure; + seen_eof++; + break; + } + } + if (n == 0) + goto match_failure; + } else { + p0 = p = va_arg(ap, char *); + while (ccltab[(unsigned char)*fp->_IO_read_ptr]) { + *p++ = *fp->_IO_read_ptr++; + if (--width == 0) + break; + if (_IO_peekc(fp) == EOF) { + if (p == p0) + goto eof_failure; + seen_eof++; + break; + } + } + n = p - p0; + if (n == 0) + goto match_failure; + *p = 0; + nassigned++; + } + nread += n; + break; + + case CT_STRING: + /* like CCL, but zero-length string OK, & no NOSKIP */ + if (width == 0) + width = ~0; + if (flags & SUPPRESS) { + n = 0; + while (!isspace((unsigned char)*fp->_IO_read_ptr)) { + n++, fp->_IO_read_ptr++; + if (--width == 0) + break; + if (_IO_peekc(fp) == EOF) { + seen_eof++; + break; + } + } + nread += n; + } else { + p0 = p = va_arg(ap, char *); + while (!isspace((unsigned char)*fp->_IO_read_ptr)) { + *p++ = *fp->_IO_read_ptr++; + if (--width == 0) + break; + if (_IO_peekc(fp) == EOF) { + seen_eof++; + break; + } + } + *p = 0; + nread += p - p0; + nassigned++; + } + continue; + + case CT_INT: + /* scan an integer as if by strtol/strtoul */ + if (width == 0 || width > sizeof(buf) - 1) + width = sizeof(buf) - 1; + flags |= SIGNOK | NDIGITS | NZDIGITS; + for (p = buf; width; width--) { + c = (unsigned char)*fp->_IO_read_ptr; + /* + * Switch on the character; `goto ok' + * if we accept it as a part of number. + */ + switch (c) { + + /* + * The digit 0 is always legal, but is + * special. For %i conversions, if no + * digits (zero or nonzero) have been + * scanned (only signs), we will have + * base==0. In that case, we should set + * it to 8 and enable 0x prefixing. + * Also, if we have not scanned zero digits + * before this, do not turn off prefixing + * (someone else will turn it off if we + * have scanned any nonzero digits). + */ + case '0': + if (base == 0) { + base = 8; + flags |= PFXOK; + } + if (flags & NZDIGITS) + flags &= ~(SIGNOK|NZDIGITS|NDIGITS); + else + flags &= ~(SIGNOK|PFXOK|NDIGITS); + goto ok; + + /* 1 through 7 always legal */ + case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + base = basefix[base]; + flags &= ~(SIGNOK | PFXOK | NDIGITS); + goto ok; + + /* digits 8 and 9 ok iff decimal or hex */ + case '8': case '9': + base = basefix[base]; + if (base <= 8) + break; /* not legal here */ + flags &= ~(SIGNOK | PFXOK | NDIGITS); + goto ok; + + /* letters ok iff hex */ + case 'A': case 'B': case 'C': + case 'D': case 'E': case 'F': + case 'a': case 'b': case 'c': + case 'd': case 'e': case 'f': + /* no need to fix base here */ + if (base <= 10) + break; /* not legal here */ + flags &= ~(SIGNOK | PFXOK | NDIGITS); + goto ok; + + /* sign ok only as first character */ + case '+': case '-': + if (flags & SIGNOK) { + flags &= ~SIGNOK; + goto ok; + } + break; + + /* x ok iff flag still set & 2nd char */ + case 'x': case 'X': + if (flags & PFXOK && p == buf + 1) { + base = 16; /* if %i */ + flags &= ~PFXOK; + goto ok; + } + break; + } + + /* + * If we got here, c is not a legal character + * for a number. Stop accumulating digits. + */ + break; + ok: + /* + * c is legal: store it and look at the next. + */ + *p++ = c; + fp->_IO_read_ptr++; + if (_IO_peekc(fp) == EOF) { + seen_eof++; + break; /* EOF */ + } + } + /* + * If we had only a sign, it is no good; push + * back the sign. If the number ends in `x', + * it was [sign] '0' 'x', so push back the x + * and treat it as [sign] '0'. + */ + if (flags & NDIGITS) { + if (p > buf) + (void) _IO_ungetc(*(u_char *)--p, fp); + goto match_failure; + } + c = ((u_char *)p)[-1]; + if (c == 'x' || c == 'X') { + --p; + (void) _IO_ungetc (c, fp); + } + if ((flags & SUPPRESS) == 0) { + u_long res; + + *p = 0; + res = (*ccfn)(buf, (char **)NULL, base); + if (flags & POINTER) + *va_arg(ap, void **) = (void *)res; + else if (flags & SHORT) + *va_arg(ap, short *) = res; + else if (flags & LONG) + *va_arg(ap, long *) = res; + else + *va_arg(ap, int *) = res; + nassigned++; + } + nread += p - buf; + break; + +#ifdef FLOATING_POINT + case CT_FLOAT: + /* scan a floating point number as if by strtod */ + if (width == 0 || width > sizeof(buf) - 1) + width = sizeof(buf) - 1; + flags |= SIGNOK | NDIGITS | DPTOK | EXPOK; + for (p = buf; width; width--) { + c = (unsigned char)*fp->_IO_read_ptr; + /* + * This code mimicks the integer conversion + * code, but is much simpler. + */ + switch (c) { + + case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + case '8': case '9': + flags &= ~(SIGNOK | NDIGITS); + goto fok; + + case '+': case '-': + if (flags & SIGNOK) { + flags &= ~SIGNOK; + goto fok; + } + break; + case '.': + if (flags & DPTOK) { + flags &= ~(SIGNOK | DPTOK); + goto fok; + } + break; + case 'e': case 'E': + /* no exponent without some digits */ + if ((flags&(NDIGITS|EXPOK)) == EXPOK) { + flags = + (flags & ~(EXPOK|DPTOK)) | + SIGNOK | NDIGITS; + goto fok; + } + break; + } + break; + fok: + *p++ = c; + fp->_IO_read_ptr++; + if (_IO_peekc(fp) == EOF) { + seen_eof++; + break; /* EOF */ + } + } + /* + * If no digits, might be missing exponent digits + * (just give back the exponent) or might be missing + * regular digits, but had sign and/or decimal point. + */ + if (flags & NDIGITS) { + if (flags & EXPOK) { + /* no digits at all */ + while (p > buf) + _IO_ungetc (*(u_char *)--p, fp); + goto match_failure; + } + /* just a bad exponent (e and maybe sign) */ + c = *(u_char *)--p; + if (c != 'e' && c != 'E') { + (void) _IO_ungetc (c, fp);/* sign */ + c = *(u_char *)--p; + } + (void) _IO_ungetc (c, fp); + } + if ((flags & SUPPRESS) == 0) { + double res; + *p = 0; +#ifdef _IO_USE_DTOA + res = _IO_strtod(buf, NULL); +#else + res = atof(buf); +#endif + if (flags & LONG) + *va_arg(ap, double *) = res; + else + *va_arg(ap, float *) = res; + nassigned++; + } + nread += p - buf; + break; +#endif /* FLOATING_POINT */ + } + } +eof_failure: + seen_eof++; +input_failure: + if (nassigned == 0) + nassigned = -1; +control_failure: +match_failure: + if (errp) + *errp |= 2; +done: + if (errp && seen_eof) + *errp |= 1; + return (nassigned); +} + +/* + * Fill in the given table from the scanset at the given format + * (just after `['). Return a pointer to the character past the + * closing `]'. The table has a 1 wherever characters should be + * considered part of the scanset. + */ +static const u_char * +__sccl (tab, fmt) + char *tab; + const u_char *fmt; +{ + register int c, n, v; + + /* first `clear' the whole table */ + c = *fmt++; /* first char hat => negated scanset */ + if (c == '^') { + v = 1; /* default => accept */ + c = *fmt++; /* get new first char */ + } else + v = 0; /* default => reject */ + /* should probably use memset here */ + for (n = 0; n < 256; n++) + tab[n] = v; + if (c == 0) + return (fmt - 1);/* format ended before closing ] */ + + /* + * Now set the entries corresponding to the actual scanset + * to the opposite of the above. + * + * The first character may be ']' (or '-') without being special; + * the last character may be '-'. + */ + v = 1 - v; + for (;;) { + tab[c] = v; /* take character c */ +doswitch: + n = *fmt++; /* and examine the next */ + switch (n) { + + case 0: /* format ended too soon */ + return (fmt - 1); + + case '-': + /* + * A scanset of the form + * [01+-] + * is defined as `the digit 0, the digit 1, + * the character +, the character -', but + * the effect of a scanset such as + * [a-zA-Z0-9] + * is implementation defined. The V7 Unix + * scanf treats `a-z' as `the letters a through + * z', but treats `a-a' as `the letter a, the + * character -, and the letter a'. + * + * For compatibility, the `-' is not considerd + * to define a range if the character following + * it is either a close bracket (required by ANSI) + * or is not numerically greater than the character + * we just stored in the table (c). + */ + n = *fmt; + if (n == ']' || n < c) { + c = '-'; + break; /* resume the for(;;) */ + } + fmt++; + do { /* fill in the range */ + tab[++c] = v; + } while (c < n); +#if 1 /* XXX another disgusting compatibility hack */ + /* + * Alas, the V7 Unix scanf also treats formats + * such as [a-c-e] as `the letters a through e'. + * This too is permitted by the standard.... + */ + goto doswitch; +#else + c = *fmt++; + if (c == 0) + return (fmt - 1); + if (c == ']') + return (fmt); +#endif + break; + + case ']': /* end of scanset */ + return (fmt); + + default: /* just another character */ + c = n; + break; + } + } + /* NOTREACHED */ +} diff --git a/contrib/libio/iovsprintf.c b/contrib/libio/iovsprintf.c new file mode 100644 index 0000000..617a588 --- /dev/null +++ b/contrib/libio/iovsprintf.c @@ -0,0 +1,60 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "strfile.h" + +int +_IO_vsprintf (string, format, args) + char *string; + const char *format; + _IO_va_list args; +{ + _IO_strfile sf; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + int ret; + +#ifdef _IO_MTSAFE_IO + sf._sbf._f._lock = &lock; +#endif + _IO_init (&sf._sbf._f, 0); + _IO_JUMPS (&sf._sbf._f) = &_IO_str_jumps; + _IO_str_init_static (&sf._sbf._f, string, -1, string); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, &sf); + _IO_flockfile (&sf._sbf._f); + ret = _IO_vfprintf (&sf._sbf._f, format, args); + _IO_putc_unlocked ('\0', &sf._sbf._f); + _IO_cleanup_region_end (1); + return ret; +} + +#ifdef weak_alias +weak_alias (_IO_vsprintf, vsprintf) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int vsprintf (char *, const char *, _IO_va_list) + __attribute__ ((weak, alias("_IO_vsprintf"))); +#endif diff --git a/contrib/libio/iovsscanf.c b/contrib/libio/iovsscanf.c new file mode 100644 index 0000000..6bdc3cc --- /dev/null +++ b/contrib/libio/iovsscanf.c @@ -0,0 +1,59 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "strfile.h" + +int +_IO_vsscanf (string, format, args) + const char *string; + const char *format; + _IO_va_list args; +{ + int ret; + _IO_strfile sf; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; + sf._sbf._f._lock = &lock; +#endif + _IO_init (&sf._sbf._f, 0); + _IO_JUMPS (&sf._sbf._f) = &_IO_str_jumps; + _IO_str_init_static (&sf._sbf._f, (char*)string, 0, NULL); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, &sf); + _IO_flockfile (&sf._sbf._f); + ret = _IO_vfscanf (&sf._sbf._f, format, args, NULL); + _IO_cleanup_region_end (1); + return ret; +} + +#ifdef weak_alias +weak_alias (_IO_vsscanf, __vsscanf) +weak_alias (_IO_vsscanf, vsscanf) +#elif defined(_G_STDIO_USES_LIBIO) && defined(_G_HAVE_WEAK_SYMBOL) +int __vsscanf (const char *, const char *, _IO_va_list) + __attribute__ ((weak, alias("_IO_vsscanf"))); +int vsscanf (const char *, const char *, _IO_va_list) + __attribute__ ((weak, alias("_IO_vsscanf"))); +#endif diff --git a/contrib/libio/isgetline.cc b/contrib/libio/isgetline.cc new file mode 100644 index 0000000..02b3492 --- /dev/null +++ b/contrib/libio/isgetline.cc @@ -0,0 +1,141 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <libioP.h> +#include "iostream.h" +#include <string.h> + +istream& istream::getline(char* buf, int len, char delim) +{ + _gcount = 0; + if (len <= 0) + { + set(ios::failbit); + return *this; + } + int ch; + if (ipfx1()) + { + streambuf *sb = rdbuf(); + _gcount = _IO_getline_info(sb, buf, len - 1, delim, -1, &ch); + if (ch != EOF) + ch = sb->sbumpc(); + if (ch == EOF) + set (_gcount == 0 ? (ios::failbit|ios::eofbit) : ios::eofbit); + else if (ch != (unsigned char) delim) + { + set(ios::failbit); + sb->sungetc(); // Leave delimiter unread. + } + } + else + ch = EOF; + buf[_gcount] = '\0'; + if (ch == (unsigned char)delim) + _gcount++; // The delimiter is counted in the gcount(). + return *this; +} + +istream& istream::get(char* buf, int len, char delim) +{ + _gcount = 0; + if (len <= 0) + { + set(ios::failbit); + return *this; + } + if (ipfx1()) + { + streambuf *sbuf = rdbuf(); + int ch; + _gcount = _IO_getline_info(sbuf, buf, len - 1, delim, -1, &ch); + if (_gcount == 0 && ch == EOF) + set(ios::failbit|ios::eofbit); + } + buf[_gcount] = '\0'; + return *this; +} + + +// from Doug Schmidt + +#define CHUNK_SIZE 512 + +/* Reads an arbitrarily long input line terminated by a user-specified + TERMINATOR. Super-nifty trick using recursion avoids unnecessary calls + to NEW! */ + +char *_sb_readline (streambuf *sb, long& total, char terminator) +{ + char buf[CHUNK_SIZE]; + char *ptr; + int ch; + + _IO_size_t count = _IO_getline_info(sb, buf, CHUNK_SIZE, terminator, + -1, &ch); + if (ch != EOF) + ch = sb->sbumpc(); + long old_total = total; + total += count; + if (ch != EOF && ch != terminator) { + total++; // Include ch in total. + ptr = _sb_readline(sb, total, terminator); + if (ptr) { + memcpy(ptr + old_total, buf, count); + ptr[old_total+count] = ch; + } + return ptr; + } + + ptr = new char[total+1]; + if (ptr != NULL) { + ptr[total] = '\0'; + memcpy(ptr + total - count, buf, count); + } + return ptr; +} + +/* Reads an arbitrarily long input line terminated by TERMINATOR. + This routine allocates its own memory, so the user should + only supply the address of a (char *). */ + +istream& istream::gets(char **s, char delim /* = '\n' */) +{ + if (ipfx1()) { + long size = 0; + streambuf *sb = rdbuf(); + *s = _sb_readline (sb, size, delim); + _gcount = *s ? size : 0; + if (sb->_flags & _IO_EOF_SEEN) { + set(ios::eofbit); + if (_gcount == 0) + set(ios::failbit); + } + } + else { + _gcount = 0; + *s = NULL; + } + return *this; +} diff --git a/contrib/libio/isgetsb.cc b/contrib/libio/isgetsb.cc new file mode 100644 index 0000000..55617e6 --- /dev/null +++ b/contrib/libio/isgetsb.cc @@ -0,0 +1,59 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include "iostream.h" +#include <string.h> + +istream& istream::get(streambuf& sb, char delim /* = '\n' */) +{ + _gcount = 0; + if (ipfx1()) + { + register streambuf* isb = rdbuf(); + for (;;) + { + streamsize len = isb->_IO_read_end - isb->_IO_read_ptr; + if (len <= 0) + if (__underflow(isb) == EOF) + break; + else + len = isb->_IO_read_end - isb->_IO_read_ptr; + char *delimp = (char*)memchr((void*)isb->_IO_read_ptr, delim, len); + if (delimp != NULL) + len = delimp - isb->_IO_read_ptr; + int written = sb.sputn(isb->_IO_read_ptr, len); + isb->_IO_read_ptr += written; + _gcount += written; + if (written != len) + { + set(ios::failbit); + break; + } + if (delimp != NULL) + break; + } + } + return *this; +} diff --git a/contrib/libio/isscan.cc b/contrib/libio/isscan.cc new file mode 100644 index 0000000..64d4bc6 --- /dev/null +++ b/contrib/libio/isscan.cc @@ -0,0 +1,45 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include <iostream.h> +#include <stdarg.h> + +istream& istream::scan(const char *format ...) +{ + if (ipfx0()) { + va_list ap; + va_start(ap, format); + _strbuf->vscan(format, ap, this); + va_end(ap); + } + return *this; +} + +istream& istream::vscan(const char *format, _IO_va_list args) +{ + if (ipfx0()) + _strbuf->vscan(format, args, this); + return *this; +} diff --git a/contrib/libio/istream.h b/contrib/libio/istream.h new file mode 100644 index 0000000..f54ec1d --- /dev/null +++ b/contrib/libio/istream.h @@ -0,0 +1,25 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <stream.h> diff --git a/contrib/libio/libio.h b/contrib/libio/libio.h new file mode 100644 index 0000000..b152874 --- /dev/null +++ b/contrib/libio/libio.h @@ -0,0 +1,364 @@ +/* Copyright (C) 1991, 92, 93, 94, 95, 97, 98 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + Written by Per Bothner <bothner@cygnus.com>. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#ifndef _IO_STDIO_H +#define _IO_STDIO_H + +#include <_G_config.h> +#define _IO_pos_t _G_fpos_t /* obsolete */ +#define _IO_fpos_t _G_fpos_t +#define _IO_size_t _G_size_t +#define _IO_ssize_t _G_ssize_t +#define _IO_off_t _G_off_t +#define _IO_pid_t _G_pid_t +#define _IO_uid_t _G_uid_t +#define _IO_HAVE_SYS_WAIT _G_HAVE_SYS_WAIT +#define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE +#define _IO_BUFSIZ _G_BUFSIZ +#define _IO_va_list _G_va_list +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +#define _IO_fpos64_t _G_fpos64_t +#define _IO_off64_t _G_off64_t +#endif + +#ifdef _G_NEED_STDARG_H +/* This define avoids name pollution if we're using GNU stdarg.h */ +# define __need___va_list +# include <stdarg.h> +# ifdef __GNUC_VA_LIST +# undef _IO_va_list +# define _IO_va_list __gnuc_va_list +# endif /* __GNUC_VA_LIST */ +#endif + +#ifndef __P +# if _G_HAVE_SYS_CDEFS +# include <sys/cdefs.h> +# else +# ifdef __STDC__ +# define __P(p) p +# else +# define __P(p) () +# endif +# endif +#endif /*!__P*/ + +#ifndef __PMT +# ifdef __STDC__ +# define __PMT(p) p +# else +# define __PMT(p) () +# endif +#endif /*!__P*/ + +/* For backward compatibility */ +#ifndef _PARAMS +# define _PARAMS(protos) __P(protos) +#endif /*!_PARAMS*/ + +#ifndef __STDC__ +# define const +#endif +#define _IO_UNIFIED_JUMPTABLES 1 +#if !_G_HAVE_PRINTF_FP +# define _IO_USE_DTOA 1 +#endif + +#ifndef EOF +# define EOF (-1) +#endif +#ifndef NULL +# if defined __GNUG__ && \ + (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) +# define NULL (__null) +# else +# if !defined(__cplusplus) +# define NULL ((void*)0) +# else +# define NULL (0) +# endif +# endif +#endif + +#define _IOS_INPUT 1 +#define _IOS_OUTPUT 2 +#define _IOS_ATEND 4 +#define _IOS_APPEND 8 +#define _IOS_TRUNC 16 +#define _IOS_NOCREATE 32 +#define _IOS_NOREPLACE 64 +#define _IOS_BIN 128 + +/* Magic numbers and bits for the _flags field. + The magic numbers use the high-order bits of _flags; + the remaining bits are available for variable flags. + Note: The magic numbers must all be negative if stdio + emulation is desired. */ + +#define _IO_MAGIC 0xFBAD0000 /* Magic number */ +#define _OLD_STDIO_MAGIC 0xFABC0000 /* Emulate old stdio. */ +#define _IO_MAGIC_MASK 0xFFFF0000 +#define _IO_USER_BUF 1 /* User owns buffer; don't delete it on close. */ +#define _IO_UNBUFFERED 2 +#define _IO_NO_READS 4 /* Reading not allowed */ +#define _IO_NO_WRITES 8 /* Writing not allowd */ +#define _IO_EOF_SEEN 0x10 +#define _IO_ERR_SEEN 0x20 +#define _IO_DELETE_DONT_CLOSE 0x40 /* Don't call close(_fileno) on cleanup. */ +#define _IO_LINKED 0x80 /* Set if linked (using _chain) to streambuf::_list_all.*/ +#define _IO_IN_BACKUP 0x100 +#define _IO_LINE_BUF 0x200 +#define _IO_TIED_PUT_GET 0x400 /* Set if put and get pointer logicly tied. */ +#define _IO_CURRENTLY_PUTTING 0x800 +#define _IO_IS_APPENDING 0x1000 +#define _IO_IS_FILEBUF 0x2000 +#define _IO_BAD_SEEN 0x4000 + +/* These are "formatting flags" matching the iostream fmtflags enum values. */ +#define _IO_SKIPWS 01 +#define _IO_LEFT 02 +#define _IO_RIGHT 04 +#define _IO_INTERNAL 010 +#define _IO_DEC 020 +#define _IO_OCT 040 +#define _IO_HEX 0100 +#define _IO_SHOWBASE 0200 +#define _IO_SHOWPOINT 0400 +#define _IO_UPPERCASE 01000 +#define _IO_SHOWPOS 02000 +#define _IO_SCIENTIFIC 04000 +#define _IO_FIXED 010000 +#define _IO_UNITBUF 020000 +#define _IO_STDIO 040000 +#define _IO_DONT_CLOSE 0100000 +#define _IO_BOOLALPHA 0200000 + + +struct _IO_jump_t; struct _IO_FILE; + +/* Handle lock. */ +#ifdef _IO_MTSAFE_IO +# if defined __GLIBC__ && __GLIBC__ >= 2 +# if __GLIBC_MINOR__ > 0 +# include <bits/stdio-lock.h> +# else +# include <stdio-lock.h> +# endif +# define _IO_LOCK_T _IO_lock_t * +# else +/*# include <comthread.h>*/ +# endif +#else +# if defined(__GLIBC__) && __GLIBC__ >= 2 + typedef void _IO_lock_t; +# define _IO_LOCK_T void * +# else +# ifdef __linux__ + struct _IO_lock_t { void *ptr; short int field1; short int field2; }; +# define _IO_LOCK_T struct _IO_lock_t +# else + typedef void _IO_lock_t; +# endif +# endif +#endif + + +/* A streammarker remembers a position in a buffer. */ + +struct _IO_marker { + struct _IO_marker *_next; + struct _IO_FILE *_sbuf; + /* If _pos >= 0 + it points to _buf->Gbase()+_pos. FIXME comment */ + /* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */ + int _pos; +#if 0 + void set_streampos(streampos sp) { _spos = sp; } + void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); } + public: + streammarker(streambuf *sb); + ~streammarker(); + int saving() { return _spos == -2; } + int delta(streammarker&); + int delta(); +#endif +}; + +struct _IO_FILE { + int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ +#define _IO_file_flags _flags + + /* The following pointers correspond to the C++ streambuf protocol. */ + /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */ + char* _IO_read_ptr; /* Current read pointer */ + char* _IO_read_end; /* End of get area. */ + char* _IO_read_base; /* Start of putback+get area. */ + char* _IO_write_base; /* Start of put area. */ + char* _IO_write_ptr; /* Current put pointer. */ + char* _IO_write_end; /* End of put area. */ + char* _IO_buf_base; /* Start of reserve area. */ + char* _IO_buf_end; /* End of reserve area. */ + /* The following fields are used to support backing up and undo. */ + char *_IO_save_base; /* Pointer to start of non-current get area. */ + char *_IO_backup_base; /* Pointer to first valid character of backup area */ + char *_IO_save_end; /* Pointer to end of non-current get area. */ + + struct _IO_marker *_markers; + + struct _IO_FILE *_chain; + + int _fileno; + int _blksize; +#ifdef _G_IO_IO_FILE_VERSION + _IO_off_t _old_offset; +#else + _IO_off_t _offset; +#endif + +#define __HAVE_COLUMN /* temporary */ + /* 1+column number of pbase(); 0 is unknown. */ + unsigned short _cur_column; + char _unused; + char _shortbuf[1]; + + /* char* _save_gptr; char* _save_egptr; */ + +#ifdef _IO_LOCK_T + _IO_LOCK_T _lock; +#endif +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 + _IO_off64_t _offset; + int _unused2[16]; /* Make sure we don't get into trouble again. */ +#endif +}; + +#ifndef __cplusplus +typedef struct _IO_FILE _IO_FILE; +#endif + +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +#define _IO_stdin_ _IO_2_1_stdin_ +#define _IO_stdout_ _IO_2_1_stdout_ +#define _IO_stderr_ _IO_2_1_stderr_ +#endif + +struct _IO_FILE_plus; +extern struct _IO_FILE_plus _IO_stdin_, _IO_stdout_, _IO_stderr_; +#define _IO_stdin ((_IO_FILE*)(&_IO_stdin_)) +#define _IO_stdout ((_IO_FILE*)(&_IO_stdout_)) +#define _IO_stderr ((_IO_FILE*)(&_IO_stderr_)) + + +/* Define the user-visible type, with user-friendly member names. */ +typedef struct +{ + _IO_ssize_t (*read) __PMT ((struct _IO_FILE *, void *, _IO_ssize_t)); + _IO_ssize_t (*write) __PMT ((struct _IO_FILE *, const void *, _IO_ssize_t)); + _IO_fpos_t (*seek) __PMT ((struct _IO_FILE *, _IO_off_t, int)); + int (*close) __PMT ((struct _IO_FILE *)); +} _IO_cookie_io_functions_t; + +/* Special file type for fopencookie function. */ +struct _IO_cookie_file +{ + struct _IO_FILE file; + const void *vtable; + void *cookie; + _IO_cookie_io_functions_t io_functions; +}; + + +#ifdef __cplusplus +extern "C" { +#endif + +extern int __underflow __P ((_IO_FILE *)); +extern int __uflow __P ((_IO_FILE *)); +extern int __overflow __P ((_IO_FILE *, int)); + +#define _IO_getc_unlocked(_fp) \ + ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end ? __uflow (_fp) \ + : *(unsigned char *) (_fp)->_IO_read_ptr++) +#define _IO_peekc_unlocked(_fp) \ + ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end \ + && __underflow (_fp) == EOF ? EOF \ + : *(unsigned char *) (_fp)->_IO_read_ptr) + +#define _IO_putc_unlocked(_ch, _fp) \ + (((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \ + ? __overflow (_fp, (unsigned char) (_ch)) \ + : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) + +#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) +#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) + +extern int _IO_getc __P ((_IO_FILE *__fp)); +extern int _IO_putc __P ((int __c, _IO_FILE *__fp)); +extern int _IO_feof __P ((_IO_FILE *__fp)); +extern int _IO_ferror __P ((_IO_FILE *__fp)); + +extern int _IO_peekc_locked __P ((_IO_FILE *__fp)); + +/* This one is for Emacs. */ +#define _IO_PENDING_OUTPUT_COUNT(_fp) \ + ((_fp)->_IO_write_ptr - (_fp)->_IO_write_base) + +extern void _IO_flockfile __P ((_IO_FILE *)); +extern void _IO_funlockfile __P ((_IO_FILE *)); +extern int _IO_ftrylockfile __P ((_IO_FILE *)); + +#ifdef _IO_MTSAFE_IO +# define _IO_peekc(_fp) _IO_peekc_locked (_fp) +#else +# define _IO_peekc(_fp) _IO_peekc_unlocked (_fp) +# define _IO_flockfile(_fp) /**/ +# define _IO_funlockfile(_fp) /**/ +# define _IO_ftrylockfile(_fp) /**/ +# define _IO_cleanup_region_start(_fct, _fp) /**/ +# define _IO_cleanup_region_end(_Doit) /**/ +#endif /* !_IO_MTSAFE_IO */ + + +extern int _IO_vfscanf __P ((_IO_FILE *, const char *, _IO_va_list, int *)); +extern int _IO_vfprintf __P ((_IO_FILE *, const char *, _IO_va_list)); +extern _IO_ssize_t _IO_padn __P ((_IO_FILE *, int, _IO_ssize_t)); +extern _IO_size_t _IO_sgetn __P ((_IO_FILE *, void *, _IO_size_t)); + +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); +extern _IO_fpos64_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos64_t, int)); +#else +extern _IO_fpos_t _IO_seekoff __P ((_IO_FILE *, _IO_off_t, int, int)); +extern _IO_fpos_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos_t, int)); +#endif + +extern void _IO_free_backup_area __P ((_IO_FILE *)); + +#ifdef __cplusplus +} +#endif + +#endif /* _IO_STDIO_H */ diff --git a/contrib/libio/libioP.h b/contrib/libio/libioP.h new file mode 100644 index 0000000..d41c466 --- /dev/null +++ b/contrib/libio/libioP.h @@ -0,0 +1,641 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <errno.h> +#ifndef __set_errno +# define __set_errno(Val) errno = (Val) +#endif +#if defined __GLIBC__ && __GLIBC__ >= 2 +# if __GLIBC_MINOR__ > 0 +# include <bits/libc-lock.h> +# else +# include <libc-lock.h> +# endif +#else +/*# include <comthread.h>*/ +#endif + +#include "iolibio.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define _IO_seek_set 0 +#define _IO_seek_cur 1 +#define _IO_seek_end 2 + +/* THE JUMPTABLE FUNCTIONS. + + * The _IO_FILE type is used to implement the FILE type in GNU libc, + * as well as the streambuf class in GNU iostreams for C++. + * These are all the same, just used differently. + * An _IO_FILE (or FILE) object is allows followed by a pointer to + * a jump table (of pointers to functions). The pointer is accessed + * with the _IO_JUMPS macro. The jump table has a eccentric format, + * so as to be compatible with the layout of a C++ virtual function table. + * (as implemented by g++). When a pointer to a streambuf object is + * coerced to an (_IO_FILE*), then _IO_JUMPS on the result just + * happens to point to the virtual function table of the streambuf. + * Thus the _IO_JUMPS function table used for C stdio/libio does + * double duty as the virtual function table for C++ streambuf. + * + * The entries in the _IO_JUMPS function table (and hence also the + * virtual functions of a streambuf) are described below. + * The first parameter of each function entry is the _IO_FILE/streambuf + * object being acted on (i.e. the 'this' parameter). + */ + +#define _IO_JUMPS(THIS) ((struct _IO_FILE_plus *) (THIS))->vtable +#ifdef _G_USING_THUNKS +# define JUMP_FIELD(TYPE, NAME) TYPE NAME +# define JUMP0(FUNC, THIS) _IO_JUMPS(THIS)->FUNC (THIS) +# define JUMP1(FUNC, THIS, X1) _IO_JUMPS(THIS)->FUNC (THIS, X1) +# define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS(THIS)->FUNC (THIS, X1, X2) +# define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS(THIS)->FUNC (THIS, X1,X2, X3) +# define JUMP_INIT(NAME, VALUE) VALUE +# define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0), JUMP_INIT (dummy2, 0) +#else +/* These macros will change when we re-implement vtables to use "thunks"! */ +# define JUMP_FIELD(TYPE, NAME) struct { short delta1, delta2; TYPE pfn; } NAME +# define JUMP0(FUNC, THIS) _IO_JUMPS(THIS)->FUNC.pfn (THIS) +# define JUMP1(FUNC, THIS, X1) _IO_JUMPS(THIS)->FUNC.pfn (THIS, X1) +# define JUMP2(FUNC, THIS, X1, X2) _IO_JUMPS(THIS)->FUNC.pfn (THIS, X1, X2) +# define JUMP3(FUNC, THIS, X1,X2,X3) _IO_JUMPS(THIS)->FUNC.pfn (THIS, X1,X2,X3) +# define JUMP_INIT(NAME, VALUE) {0, 0, VALUE} +# define JUMP_INIT_DUMMY JUMP_INIT(dummy, 0) +#endif + +/* The 'finish' function does any final cleaning up of an _IO_FILE object. + It does not delete (free) it, but does everything else to finalize it/ + It matches the streambuf::~streambuf virtual destructor. */ +typedef void (*_IO_finish_t) __PMT ((_IO_FILE *, int)); /* finalize */ +#define _IO_FINISH(FP) JUMP1 (__finish, FP, 0) + +/* The 'overflow' hook flushes the buffer. + The second argument is a character, or EOF. + It matches the streambuf::overflow virtual function. */ +typedef int (*_IO_overflow_t) __PMT ((_IO_FILE *, int)); +#define _IO_OVERFLOW(FP, CH) JUMP1 (__overflow, FP, CH) + +/* The 'underflow' hook tries to fills the get buffer. + It returns the next character (as an unsigned char) or EOF. The next + character remains in the get buffer, and the get position is not changed. + It matches the streambuf::underflow virtual function. */ +typedef int (*_IO_underflow_t) __PMT ((_IO_FILE *)); +#define _IO_UNDERFLOW(FP) JUMP0 (__underflow, FP) + +/* The 'uflow' hook returns the next character in the input stream + (cast to unsigned char), and increments the read position; + EOF is returned on failure. + It matches the streambuf::uflow virtual function, which is not in the + cfront implementation, but was added to C++ by the ANSI/ISO committee. */ +#define _IO_UFLOW(FP) JUMP0 (__uflow, FP) + +/* The 'pbackfail' hook handles backing up. + It matches the streambuf::pbackfail virtual function. */ +typedef int (*_IO_pbackfail_t) __PMT ((_IO_FILE *, int)); +#define _IO_PBACKFAIL(FP, CH) JUMP1 (__pbackfail, FP, CH) + +/* The 'xsputn' hook writes upto N characters from buffer DATA. + Returns the number of character actually written. + It matches the streambuf::xsputn virtual function. */ +typedef _IO_size_t (*_IO_xsputn_t) __PMT ((_IO_FILE *FP, const void *DATA, + _IO_size_t N)); +#define _IO_XSPUTN(FP, DATA, N) JUMP2 (__xsputn, FP, DATA, N) + +/* The 'xsgetn' hook reads upto N characters into buffer DATA. + Returns the number of character actually read. + It matches the streambuf::xsgetn virtual function. */ +typedef _IO_size_t (*_IO_xsgetn_t) __PMT ((_IO_FILE *FP, void *DATA, + _IO_size_t N)); +#define _IO_XSGETN(FP, DATA, N) JUMP2 (__xsgetn, FP, DATA, N) + +/* The 'seekoff' hook moves the stream position to a new position + relative to the start of the file (if DIR==0), the current position + (MODE==1), or the end of the file (MODE==2). + It matches the streambuf::seekoff virtual function. + It is also used for the ANSI fseek function. */ +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +typedef _IO_fpos64_t (*_IO_seekoff_t) __PMT ((_IO_FILE *FP, _IO_off64_t OFF, + int DIR, int MODE)); +#else +typedef _IO_fpos_t (*_IO_seekoff_t) __PMT ((_IO_FILE *FP, _IO_off_t OFF, + int DIR, int MODE)); +#endif +#define _IO_SEEKOFF(FP, OFF, DIR, MODE) JUMP3 (__seekoff, FP, OFF, DIR, MODE) + +/* The 'seekpos' hook also moves the stream position, + but to an absolute position given by a fpos_t (seekpos). + It matches the streambuf::seekpos virtual function. + It is also used for the ANSI fgetpos and fsetpos functions. */ +/* The _IO_seek_cur and _IO_seek_end options are not allowed. */ +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +typedef _IO_fpos64_t (*_IO_seekpos_t) __PMT ((_IO_FILE *, _IO_fpos64_t, int)); +#else +typedef _IO_fpos_t (*_IO_seekpos_t) __PMT ((_IO_FILE *, _IO_fpos_t, int)); +#endif +#define _IO_SEEKPOS(FP, POS, FLAGS) JUMP2 (__seekpos, FP, POS, FLAGS) + +/* The 'setbuf' hook gives a buffer to the file. + It matches the streambuf::setbuf virtual function. */ +typedef _IO_FILE* (*_IO_setbuf_t) __PMT ((_IO_FILE *, char *, _IO_ssize_t)); +#define _IO_SETBUF(FP, BUFFER, LENGTH) JUMP2 (__setbuf, FP, BUFFER, LENGTH) + +/* The 'sync' hook attempts to synchronize the internal data structures + of the file with the external state. + It matches the streambuf::sync virtual function. */ +typedef int (*_IO_sync_t) __PMT ((_IO_FILE *)); +#define _IO_SYNC(FP) JUMP0 (__sync, FP) + +/* The 'doallocate' hook is used to tell the file to allocate a buffer. + It matches the streambuf::doallocate virtual function, which is not + in the ANSI/ISO C++ standard, but is part traditional implementations. */ +typedef int (*_IO_doallocate_t) __PMT ((_IO_FILE *)); +#define _IO_DOALLOCATE(FP) JUMP0 (__doallocate, FP) + +/* The following four hooks (sysread, syswrite, sysclose, sysseek, and + sysstat) are low-level hooks specific to this implementation. + There is no correspondence in the ANSI/ISO C++ standard library. + The hooks basically correspond to the Unix system functions + (read, write, close, lseek, and stat) except that a _IO_FILE* + parameter is used instead of a integer file descriptor; the default + implementation used for normal files just calls those functions. + The advantage of overriding these functions instead of the higher-level + ones (underflow, overflow etc) is that you can leave all the buffering + higher-level functions. */ + +/* The 'sysread' hook is used to read data from the external file into + an existing buffer. It generalizes the Unix read(2) function. + It matches the streambuf::sys_read virtual function, which is + specific to this implementation. */ +typedef _IO_ssize_t (*_IO_read_t) __PMT ((_IO_FILE *, void *, _IO_ssize_t)); +#define _IO_SYSREAD(FP, DATA, LEN) JUMP2 (__read, FP, DATA, LEN) + +/* The 'syswrite' hook is used to write data from an existing buffer + to an external file. It generalizes the Unix write(2) function. + It matches the streambuf::sys_write virtual function, which is + specific to this implementation. */ +typedef _IO_ssize_t (*_IO_write_t) __PMT ((_IO_FILE *,const void *,_IO_ssize_t)); +#define _IO_SYSWRITE(FP, DATA, LEN) JUMP2 (__write, FP, DATA, LEN) + +/* The 'sysseek' hook is used to re-position an external file. + It generalizes the Unix lseek(2) function. + It matches the streambuf::sys_seek virtual function, which is + specific to this implementation. */ +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +typedef _IO_fpos64_t (*_IO_seek_t) __PMT ((_IO_FILE *, _IO_off64_t, int)); +#else +typedef _IO_fpos_t (*_IO_seek_t) __PMT ((_IO_FILE *, _IO_off_t, int)); +#endif +#define _IO_SYSSEEK(FP, OFFSET, MODE) JUMP2 (__seek, FP, OFFSET, MODE) + +/* The 'sysclose' hook is used to finalize (close, finish up) an + external file. It generalizes the Unix close(2) function. + It matches the streambuf::sys_close virtual function, which is + specific to this implementation. */ +typedef int (*_IO_close_t) __PMT ((_IO_FILE *)); /* finalize */ +#define _IO_SYSCLOSE(FP) JUMP0 (__close, FP) + +/* The 'sysstat' hook is used to get information about an external file + into a struct stat buffer. It generalizes the Unix fstat(2) call. + It matches the streambuf::sys_stat virtual function, which is + specific to this implementation. */ +typedef int (*_IO_stat_t) __PMT ((_IO_FILE *, void *)); +#define _IO_SYSSTAT(FP, BUF) JUMP1 (__stat, FP, BUF) + +#if _G_IO_IO_FILE_VERSION == 0x20001 +/* The 'showmany' hook can be used to get an image how much input is + available. In many cases the answer will be 0 which means unknown + but some cases one can provide real information. */ +typedef int (*_IO_showmanyc_t) __PMT ((_IO_FILE *)); +#define _IO_SHOWMANYC(FP) JUMP0 (__showmanyc, FP) + +/* The 'imbue' hook is used to get information about the currently + installed locales. */ +typedef void (*_IO_imbue_t) __PMT ((_IO_FILE *, void *)); +#define _IO_IMBUE(FP, LOCALE) JUMP1 (__imbue, FP, LOCALE) +#endif + + +#define _IO_CHAR_TYPE char /* unsigned char ? */ +#define _IO_INT_TYPE int + +struct _IO_jump_t +{ + JUMP_FIELD(_G_size_t, __dummy); +#ifdef _G_USING_THUNKS + JUMP_FIELD(_G_size_t, __dummy2); +#endif + JUMP_FIELD(_IO_finish_t, __finish); + JUMP_FIELD(_IO_overflow_t, __overflow); + JUMP_FIELD(_IO_underflow_t, __underflow); + JUMP_FIELD(_IO_underflow_t, __uflow); + JUMP_FIELD(_IO_pbackfail_t, __pbackfail); + /* showmany */ + JUMP_FIELD(_IO_xsputn_t, __xsputn); + JUMP_FIELD(_IO_xsgetn_t, __xsgetn); + JUMP_FIELD(_IO_seekoff_t, __seekoff); + JUMP_FIELD(_IO_seekpos_t, __seekpos); + JUMP_FIELD(_IO_setbuf_t, __setbuf); + JUMP_FIELD(_IO_sync_t, __sync); + JUMP_FIELD(_IO_doallocate_t, __doallocate); + JUMP_FIELD(_IO_read_t, __read); + JUMP_FIELD(_IO_write_t, __write); + JUMP_FIELD(_IO_seek_t, __seek); + JUMP_FIELD(_IO_close_t, __close); + JUMP_FIELD(_IO_stat_t, __stat); +#if _G_IO_IO_FILE_VERSION == 0x20001 + JUMP_FIELD(_IO_showmanyc_t, __showmanyc); + JUMP_FIELD(_IO_imbue_t, __imbue); +#endif +#if 0 + get_column; + set_column; +#endif +}; + +/* We always allocate an extra word following an _IO_FILE. + This contains a pointer to the function jump table used. + This is for compatibility with C++ streambuf; the word can + be used to smash to a pointer to a virtual function table. */ + +struct _IO_FILE_plus +{ + _IO_FILE file; + const struct _IO_jump_t *vtable; +}; + +/* Generic functions */ + +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); +extern _IO_fpos64_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos64_t, int)); +#else +extern _IO_fpos_t _IO_seekoff __P ((_IO_FILE *, _IO_off_t, int, int)); +extern _IO_fpos_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos_t, int)); +#endif + +extern void _IO_switch_to_main_get_area __P ((_IO_FILE *)); +extern void _IO_switch_to_backup_area __P ((_IO_FILE *)); +extern int _IO_switch_to_get_mode __P ((_IO_FILE *)); +extern void _IO_init __P ((_IO_FILE *, int)); +extern int _IO_sputbackc __P ((_IO_FILE *, int)); +extern int _IO_sungetc __P ((_IO_FILE *)); +extern void _IO_un_link __P ((_IO_FILE *)); +extern void _IO_link_in __P ((_IO_FILE *)); +extern void _IO_doallocbuf __P ((_IO_FILE *)); +extern void _IO_unsave_markers __P ((_IO_FILE *)); +extern void _IO_setb __P ((_IO_FILE *, char *, char *, int)); +extern unsigned _IO_adjust_column __P ((unsigned, const char *, int)); +#define _IO_sputn(__fp, __s, __n) _IO_XSPUTN (__fp, __s, __n) + +/* Marker-related function. */ + +extern void _IO_init_marker __P ((struct _IO_marker *, _IO_FILE *)); +extern void _IO_remove_marker __P ((struct _IO_marker *)); +extern int _IO_marker_difference __P ((struct _IO_marker *, + struct _IO_marker *)); +extern int _IO_marker_delta __P ((struct _IO_marker *)); +extern int _IO_seekmark __P ((_IO_FILE *, struct _IO_marker *, int)); + +/* Default jumptable functions. */ + +extern int _IO_default_underflow __P ((_IO_FILE *)); +extern int _IO_default_uflow __P ((_IO_FILE *)); +extern int _IO_default_doallocate __P ((_IO_FILE *)); +extern void _IO_default_finish __P ((_IO_FILE *, int)); +extern int _IO_default_pbackfail __P ((_IO_FILE *, int)); +extern _IO_FILE* _IO_default_setbuf __P ((_IO_FILE *, char *, _IO_ssize_t)); +extern _IO_size_t _IO_default_xsputn __P ((_IO_FILE *, const void *, + _IO_size_t)); +extern _IO_size_t _IO_default_xsgetn __P ((_IO_FILE *, void *, _IO_size_t)); +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_default_seekoff __P ((_IO_FILE *, + _IO_off64_t, int, int)); +extern _IO_fpos64_t _IO_default_seekpos __P ((_IO_FILE *, + _IO_fpos64_t, int)); +#else +extern _IO_fpos_t _IO_default_seekoff __P ((_IO_FILE *, _IO_off_t, int, int)); +extern _IO_fpos_t _IO_default_seekpos __P ((_IO_FILE *, _IO_fpos_t, int)); +#endif +extern _IO_ssize_t _IO_default_write __P ((_IO_FILE *, const void *, + _IO_ssize_t)); +extern _IO_ssize_t _IO_default_read __P ((_IO_FILE *, void *, _IO_ssize_t)); +extern int _IO_default_stat __P ((_IO_FILE *, void *)); +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_default_seek __P ((_IO_FILE *, _IO_off64_t, int)); +#else +extern _IO_fpos_t _IO_default_seek __P ((_IO_FILE *, _IO_off_t, int)); +#endif +extern int _IO_default_sync __P ((_IO_FILE *)); +#define _IO_default_close ((_IO_close_t) _IO_default_sync) + +extern struct _IO_jump_t _IO_file_jumps; +extern struct _IO_jump_t _IO_streambuf_jumps; +extern struct _IO_jump_t _IO_proc_jumps; +extern struct _IO_jump_t _IO_str_jumps; +extern int _IO_do_write __P ((_IO_FILE *, const char *, _IO_size_t)); +extern int _IO_flush_all __P ((void)); +extern void _IO_cleanup __P ((void)); +extern void _IO_flush_all_linebuffered __P ((void)); + +#define _IO_do_flush(_f) \ + _IO_do_write(_f, (_f)->_IO_write_base, \ + (_f)->_IO_write_ptr-(_f)->_IO_write_base) +#define _IO_in_put_mode(_fp) ((_fp)->_flags & _IO_CURRENTLY_PUTTING) +#define _IO_mask_flags(fp, f, mask) \ + ((fp)->_flags = ((fp)->_flags & ~(mask)) | ((f) & (mask))) +#define _IO_setg(fp, eb, g, eg) ((fp)->_IO_read_base = (eb),\ + (fp)->_IO_read_ptr = (g), (fp)->_IO_read_end = (eg)) +#define _IO_setp(__fp, __p, __ep) \ + ((__fp)->_IO_write_base = (__fp)->_IO_write_ptr = __p, (__fp)->_IO_write_end = (__ep)) +#define _IO_have_backup(fp) ((fp)->_IO_save_base != NULL) +#define _IO_in_backup(fp) ((fp)->_flags & _IO_IN_BACKUP) +#define _IO_have_markers(fp) ((fp)->_markers != NULL) +#define _IO_blen(fp) ((fp)->_IO_buf_end - (fp)->_IO_buf_base) + +/* Jumptable functions for files. */ + +extern int _IO_file_doallocate __P ((_IO_FILE *)); +extern _IO_FILE* _IO_file_setbuf __P ((_IO_FILE *, char *, _IO_ssize_t)); +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_file_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); +extern _IO_fpos64_t _IO_file_seek __P ((_IO_FILE *, _IO_off64_t, int)); +#else +extern _IO_fpos_t _IO_file_seekoff __P ((_IO_FILE *, _IO_off_t, int, int)); +extern _IO_fpos_t _IO_file_seek __P ((_IO_FILE *, _IO_off_t, int)); +#endif +extern _IO_size_t _IO_file_xsputn __P ((_IO_FILE *, const void *, _IO_size_t)); +extern int _IO_file_stat __P ((_IO_FILE *, void *)); +extern int _IO_file_close __P ((_IO_FILE *)); +extern int _IO_file_underflow __P ((_IO_FILE *)); +extern int _IO_file_overflow __P ((_IO_FILE *, int)); +#define _IO_file_is_open(__fp) ((__fp)->_fileno >= 0) +extern void _IO_file_init __P ((_IO_FILE *)); +extern _IO_FILE* _IO_file_attach __P ((_IO_FILE *, int)); +extern _IO_FILE* _IO_file_open __P ((_IO_FILE *, const char *, int, int, + int, int)); +#if _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_FILE* _IO_file_fopen __P ((_IO_FILE *, const char *, const char *, + int)); +#else +extern _IO_FILE* _IO_file_fopen __P ((_IO_FILE *, const char *, const char *)); +#endif +extern _IO_ssize_t _IO_file_write __P ((_IO_FILE *, const void *, + _IO_ssize_t)); +extern _IO_ssize_t _IO_file_read __P ((_IO_FILE *, void *, _IO_ssize_t)); +extern int _IO_file_sync __P ((_IO_FILE *)); +extern int _IO_file_close_it __P ((_IO_FILE *)); +extern void _IO_file_finish __P ((_IO_FILE *, int)); + +/* Jumptable functions for proc_files. */ +extern _IO_FILE* _IO_proc_open __P ((_IO_FILE *, const char *, const char *)); +extern int _IO_proc_close __P ((_IO_FILE *)); + +/* Jumptable functions for strfiles. */ +extern int _IO_str_underflow __P ((_IO_FILE *)); +extern int _IO_str_overflow __P ((_IO_FILE *, int)); +extern int _IO_str_pbackfail __P ((_IO_FILE *, int)); +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +extern _IO_fpos64_t _IO_str_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); +#else +extern _IO_fpos_t _IO_str_seekoff __P ((_IO_FILE *, _IO_off_t, int, int)); +#endif +extern void _IO_str_finish __P ((_IO_FILE *, int)); + +/* Other strfile functions */ +extern void _IO_str_init_static __P ((_IO_FILE *, char *, int, char *)); +extern void _IO_str_init_readonly __P ((_IO_FILE *, const char *, int)); +extern _IO_ssize_t _IO_str_count __P ((_IO_FILE *)); + +extern int _IO_vasprintf __P ((char **result_ptr, __const char *format, + _IO_va_list args)); +extern int _IO_vdprintf __P ((int d, __const char *format, _IO_va_list arg)); +extern int _IO_vsnprintf __P ((char *string, _IO_size_t maxlen, + __const char *format, _IO_va_list args)); + + +extern _IO_size_t _IO_getline __P ((_IO_FILE *,char *, _IO_size_t, int, int)); +extern _IO_size_t _IO_getline_info __P ((_IO_FILE *,char *, _IO_size_t, + int, int, int *)); +extern _IO_ssize_t _IO_getdelim __P ((char **, _IO_size_t *, int, _IO_FILE *)); +extern double _IO_strtod __P ((const char *, char **)); +extern char *_IO_dtoa __P ((double __d, int __mode, int __ndigits, + int *__decpt, int *__sign, char **__rve)); +extern int _IO_outfloat __P ((double __value, _IO_FILE *__sb, int __type, + int __width, int __precision, int __flags, + int __sign_mode, int __fill)); + +extern _IO_FILE *_IO_list_all; +extern void (*_IO_cleanup_registration_needed) __PMT ((void)); + +#ifndef EOF +# define EOF (-1) +#endif +#ifndef NULL +# if defined __GNUG__ && \ + (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) +# define NULL (__null) +# else +# if !defined(__cplusplus) +# define NULL ((void*)0) +# else +# define NULL (0) +# endif +# endif +#endif + +#if _G_HAVE_MMAP + +# include <unistd.h> +# include <fcntl.h> +# include <sys/mman.h> +# include <sys/param.h> + +# if !defined(MAP_ANONYMOUS) && defined(MAP_ANON) +# define MAP_ANONYMOUS MAP_ANON +# endif + +# if !defined(MAP_ANONYMOUS) || !defined(EXEC_PAGESIZE) +# undef _G_HAVE_MMAP +# define _G_HAVE_MMAP 0 +# endif + +#endif /* _G_HAVE_MMAP */ + +#if _G_HAVE_MMAP + +# ifdef _LIBC +/* When using this code in the GNU libc we must not pollute the name space. */ +# define mmap __mmap +# define munmap __munmap +# endif + +# define ROUND_TO_PAGE(_S) \ + (((_S) + EXEC_PAGESIZE - 1) & ~(EXEC_PAGESIZE - 1)) + +# define FREE_BUF(_B, _S) \ + munmap ((_B), ROUND_TO_PAGE (_S)) +# define ALLOC_BUF(_B, _S, _R) \ + do { \ + (_B) = (char *) mmap (0, ROUND_TO_PAGE (_S), \ + PROT_READ | PROT_WRITE, \ + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); \ + if ((_B) == (char *) -1) \ + return (_R); \ + } while (0) + +#else /* _G_HAVE_MMAP */ + +# define FREE_BUF(_B, _S) \ + free(_B) +# define ALLOC_BUF(_B, _S, _R) \ + do { \ + (_B) = (char*)malloc(_S); \ + if ((_B) == NULL) \ + return (_R); \ + } while (0) + +#endif /* _G_HAVE_MMAP */ + +#ifndef OS_FSTAT +# define OS_FSTAT fstat +#endif +struct stat; +extern _IO_ssize_t _IO_read __P ((int, void *, _IO_size_t)); +extern _IO_ssize_t _IO_write __P ((int, const void *, _IO_size_t)); +extern _IO_off_t _IO_lseek __P ((int, _IO_off_t, int)); +extern int _IO_close __P ((int)); +extern int _IO_fstat __P ((int, struct stat *)); +extern int _IO_vscanf __P ((const char *, _IO_va_list)); + +/* Operations on _IO_fpos_t. + Normally, these are trivial, but we provide hooks for configurations + where an _IO_fpos_t is a struct. + Note that _IO_off_t must be an integral type. */ + +/* _IO_pos_BAD is an _IO_fpos_t value indicating error, unknown, or EOF. */ +#ifndef _IO_pos_BAD +# if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +# define _IO_pos_BAD ((_IO_fpos64_t) -1) +# else +# define _IO_pos_BAD ((_IO_fpos_t) -1) +# endif +#endif +/* _IO_pos_as_off converts an _IO_fpos_t value to an _IO_off_t value. */ +#ifndef _IO_pos_as_off +# if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +# define _IO_pos_as_off(__pos) ((_IO_off64_t) (__pos)) +# else +# define _IO_pos_as_off(__pos) ((_IO_off_t) (__pos)) +# endif +#endif +/* _IO_pos_adjust adjust an _IO_fpos_t by some number of bytes. */ +#ifndef _IO_pos_adjust +# define _IO_pos_adjust(__pos, __delta) ((__pos) += (__delta)) +#endif +/* _IO_pos_0 is an _IO_fpos_t value indicating beginning of file. */ +#ifndef _IO_pos_0 +# if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +# define _IO_pos_0 ((_IO_fpos64_t) 0) +# else +# define _IO_pos_0 ((_IO_fpos_t) 0) +# endif +#endif + +#ifdef __cplusplus +} +#endif + +#ifdef _IO_MTSAFE_IO +/* check following! */ +# define FILEBUF_LITERAL(CHAIN, FLAGS, FD) \ + { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, FD, \ + 0, 0, 0, 0, { 0 }, &_IO_stdfile_##FD##_lock } +#else +/* check following! */ +# define FILEBUF_LITERAL(CHAIN, FLAGS, FD) \ + { _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+FLAGS, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, FD } +#endif + +/* VTABLE_LABEL defines NAME as of the CLASS class. + CNLENGTH is strlen(#CLASS). */ +#ifdef __GNUC__ +# if _G_VTABLE_LABEL_HAS_LENGTH +# define VTABLE_LABEL(NAME, CLASS, CNLENGTH) \ + extern char NAME[] asm (_G_VTABLE_LABEL_PREFIX #CNLENGTH #CLASS); +# else +# define VTABLE_LABEL(NAME, CLASS, CNLENGTH) \ + extern char NAME[] asm (_G_VTABLE_LABEL_PREFIX #CLASS); +# endif +#endif /* __GNUC__ */ + +#if !defined(builtinbuf_vtable) && defined(__cplusplus) +# ifdef __GNUC__ +VTABLE_LABEL(builtinbuf_vtable, builtinbuf, 10) +# else +# if _G_VTABLE_LABEL_HAS_LENGTH +# define builtinbuf_vtable _G_VTABLE_LABEL_PREFIX_ID##10builtinbuf +# else +# define builtinbuf_vtable _G_VTABLE_LABEL_PREFIX_ID##builtinbuf +# endif +# endif +#endif /* !defined(builtinbuf_vtable) && defined(__cplusplus) */ + +#if defined(__STDC__) || defined(__cplusplus) +# define _IO_va_start(args, last) va_start(args, last) +#else +# define _IO_va_start(args, last) va_start(args) +#endif + +extern struct _IO_fake_stdiobuf _IO_stdin_buf, _IO_stdout_buf, _IO_stderr_buf; + +#if 1 +# define COERCE_FILE(FILE) /* Nothing */ +#else +/* This is part of the kludge for binary compatibility with old stdio. */ +# define COERCE_FILE(FILE) \ + (((FILE)->_IO_file_flags & _IO_MAGIC_MASK) == _OLD_MAGIC_MASK \ + && (FILE) = *(FILE**)&((int*)fp)[1]) +#endif + +#ifdef EINVAL +# define MAYBE_SET_EINVAL __set_errno (EINVAL) +#else +# define MAYBE_SET_EINVAL /* nothing */ +#endif + +#ifdef IO_DEBUG +# define CHECK_FILE(FILE, RET) \ + if ((FILE) == NULL) { MAYBE_SET_EINVAL; return RET; } \ + else { COERCE_FILE(FILE); \ + if (((FILE)->_IO_file_flags & _IO_MAGIC_MASK) != _IO_MAGIC) \ + { MAYBE_SET_EINVAL; return RET; }} +#else +# define CHECK_FILE(FILE, RET) COERCE_FILE (FILE) +#endif diff --git a/contrib/libio/osform.cc b/contrib/libio/osform.cc new file mode 100644 index 0000000..f08f2ef --- /dev/null +++ b/contrib/libio/osform.cc @@ -0,0 +1,66 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include <iostream.h> +#include <stdarg.h> + +ostream& ostream::form(const char *format ...) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + va_list ap; + va_start(ap, format); + _IO_vfprintf(rdbuf(), format, ap); + va_end(ap); + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} + +ostream& ostream::vform(const char *format, _IO_va_list args) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + _IO_vfprintf(rdbuf(), format, args); + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} + +ostream& ostream::operator<<(const void *p) +{ + if (opfx()) { + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _strbuf); + form("%p", p); + osfx(); + _IO_cleanup_region_end (0); + } + return *this; +} diff --git a/contrib/libio/ostream.h b/contrib/libio/ostream.h new file mode 100644 index 0000000..f54ec1d --- /dev/null +++ b/contrib/libio/ostream.h @@ -0,0 +1,25 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <stream.h> diff --git a/contrib/libio/outfloat.c b/contrib/libio/outfloat.c new file mode 100644 index 0000000..5cbb6c9 --- /dev/null +++ b/contrib/libio/outfloat.c @@ -0,0 +1,211 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +#ifdef _IO_USE_DTOA +/* Format floating-point number and print them. + Return number of chars printed, or EOF on error. + + sign_mode == '+' : print "-" or "+" + sign_mode == ' ' : print "-" or " " + sign_mode == '\0' : print "-' or "" +*/ + +int +_IO_outfloat (value, sb, type, width, precision, flags, sign_mode, fill) + double value; + _IO_FILE *sb; + int type; + int width; + int precision; + int flags; + int sign_mode; + int fill; +{ + int count = 0; +#define PUT(x) do {if (_IO_putc(x, sb) < 0) goto error; count++;} while (0) +#define PUTN(p, n) \ + do {int _n=n; count+=_n; if (_IO_sputn(sb, p,_n) != _n) goto error;} while(0) +#define PADN(fill, n) \ + do {int _n = n; count+=_n; if (_IO_padn(sb, fill, _n) != _n) goto error;} while (0) + int pad_kind = flags & (_IO_LEFT|_IO_RIGHT|_IO_INTERNAL); + int skip_zeroes = 0; + int show_dot = (flags & _IO_SHOWPOINT) != 0; + int decpt; + int sign; + int mode; + int exponent_size; + int print_sign; + int trailing_zeroes, useful_digits; + int padding, unpadded_width; + char *p; + char *exponent_start; + register int i; +#define EBUF_SIZE 12 +#define EBUF_END &ebuf[EBUF_SIZE] + char ebuf[EBUF_SIZE]; + char *end; + int exp = 0; + switch (type) + { + case 'f': + mode = 3; + break; + case 'e': + case 'E': + exp = type; + mode = 2; + if (precision != 999) + precision++; /* Add one to include digit before decimal point. */ + break; + case 'g': + case 'G': + exp = type == 'g' ? 'e' : 'E'; + if (precision == 0) precision = 1; + if (!(flags & _IO_SHOWPOINT)) + skip_zeroes = 1; + type = 'g'; + mode = 2; + break; + } + /* Do the actual convension */ + if (precision == 999 && mode != 3) + mode = 0; + p = _IO_dtoa(value, mode, precision, &decpt, &sign, &end); + useful_digits = end-p; + exponent_start = EBUF_END; + if (mode == 0) + precision = useful_digits; + /* Check if we need to emit an exponent. */ + if (mode != 3 && decpt != 9999) + { + i = decpt - 1; + if ((type != 'g' && type != 'F') || i < -4 || i >= precision) + { + /* Print the exponent into ebuf. + We write ebuf in reverse order (right-to-left). */ + char sign; + if (i >= 0) + sign = '+'; + else + sign = '-', i = -i; + /* Note: ANSI requires at least 2 exponent digits. */ + do { + *--exponent_start = (i % 10) + '0'; + i /= 10; + } while (i >= 10); + *--exponent_start = i + '0'; + *--exponent_start = sign; + *--exponent_start = exp; + } + } + exponent_size = EBUF_END - exponent_start; + if (mode == 1) + precision = 1; + /* If we print an exponent, always show just one digit before point. */ + if (exponent_size) + decpt = 1; + if (decpt == 9999) + { /* Infinity or NaN */ + decpt = useful_digits; + precision = 0; + show_dot = 0; + } + + /* dtoa truncates trailing zeroes. Set the variable trailing_zeroes to + the number of 0's we have to add (after the decimal point). */ + if (skip_zeroes) + trailing_zeroes = 0; + else if (type == 'f') + trailing_zeroes = useful_digits <= decpt ? precision + : precision-(useful_digits-decpt); + else if (exponent_size) /* 'e' 'E' or 'g' format using exponential notation*/ + trailing_zeroes = precision - useful_digits; + else /* 'g' format not using exponential notation. */ + trailing_zeroes = useful_digits <= decpt ? precision - decpt + : precision-useful_digits; + if (trailing_zeroes < 0) trailing_zeroes = 0; + + if (trailing_zeroes != 0 || useful_digits > decpt) + show_dot = 1; + if (sign_mode == 0) + print_sign = sign ? '-' : 0; + else if (sign_mode == '+') + print_sign = sign ? '-' : '+'; + else /* if (sign_mode == ' ') */ + print_sign = sign ? '-' : ' '; + + /* Calculate the width (before padding). */ + unpadded_width = + (print_sign != 0) + trailing_zeroes + exponent_size + show_dot + + useful_digits + + (decpt > useful_digits ? decpt - useful_digits + : decpt > 0 ? 0 : 1 - decpt); + + padding = width > unpadded_width ? width - unpadded_width : 0; + if (padding > 0 && pad_kind != _IO_LEFT && pad_kind != _IO_INTERNAL) + PADN(fill, padding); /* Default (right) adjust */ + if (print_sign) + PUT(print_sign); + if (pad_kind == _IO_INTERNAL && padding > 0) + PADN(fill, padding); + if (decpt > 0) + { + if (useful_digits >= decpt) + PUTN(p, decpt); + else + { + PUTN(p, useful_digits); + PADN('0', decpt-useful_digits); + } + if (show_dot) + { + PUT('.'); + /* Print digits after the decimal point. */ + if (useful_digits > decpt) + PUTN(p + decpt, useful_digits-decpt); + } + } + else + { + PUT('0'); + if (show_dot) + { + PUT('.'); + PADN('0', -decpt); + /* Print digits after the decimal point. */ + PUTN(p, useful_digits); + } + } + PADN('0', trailing_zeroes); + if (exponent_size) + PUTN(exponent_start, exponent_size); + if (pad_kind == _IO_LEFT && padding > 0) /* Left adjustment*/ + PADN(fill, padding); + return count; + error: + return EOF; +} +#endif diff --git a/contrib/libio/parsestream.cc b/contrib/libio/parsestream.cc new file mode 100644 index 0000000..e430e60 --- /dev/null +++ b/contrib/libio/parsestream.cc @@ -0,0 +1,317 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include "libioP.h" +#include "parsestream.h" +#include <stdlib.h> + +streambuf* parsebuf::setbuf(char*, int) +{ + return NULL; +} + +int parsebuf::tell_in_line() +{ + return 0; +} + +int parsebuf::pbackfail(int c) +{ + if (c == EOF) + return 0; + if (seekoff(-1, ios::cur) == EOF) + return EOF; + return (unsigned char)c; +} + +char* parsebuf::current_line() { return NULL; } + +streampos parsebuf::seekoff(streamoff offset, _seek_dir dir, int) +{ + // Make offset relative to line start. + switch (dir) { + case ios::beg: + offset -= pos_at_line_start; + break; + case ios::cur: + offset += tell_in_line(); + break; + default: + return EOF; + } + if (offset < -1) + return EOF; + if (offset > _line_length + 1) + return EOF; + return seek_in_line(offset) + pos_at_line_start; +} + +// string_parsebuf invariants: +// The reserve ares (base() .. ebuf()) is always the entire string. +// The get area (eback() .. egptr()) is the extended current line +// (i.e. with the '\n' at either end, if these exist). + +string_parsebuf::string_parsebuf(char *buf, int len, + int delete_at_close /* = 0*/) +: parsebuf() +{ + setb(buf, buf+len, delete_at_close); + register char *ptr = buf; + while (ptr < ebuf() && *ptr != '\n') ptr++; + _line_length = ptr - buf; + setg(buf, buf, ptr); +} + +int string_parsebuf::underflow() +{ + register char* ptr = egptr(); // Point to end of current_line + do { + int i = right() - ptr; + if (i <= 0) + return EOF; + ptr++; i--; // Skip '\n'. + char *line_start = ptr; + while (ptr < right() && *ptr == '\n') ptr++; + setg(line_start-1, line_start, ptr + (ptr < right())); + pos_at_line_start = line_start - left(); + _line_length = ptr - line_start; + __line_number++; + } while (gptr() == ptr); + return *gptr(); +} + +char* string_parsebuf::current_line() +{ + char *ptr = eback(); + if (__line_number > 0) + ptr++; // Skip '\n' at end of previous line. + return ptr; +} + +int string_parsebuf::tell_in_line() +{ + int offset = gptr() - eback(); + if (__line_number > 0) + offset--; + return offset; +} + +int string_parsebuf::seek_in_line(int i) +{ + int delta = i - tell_in_line(); + gbump(delta); // FIXME: Needs error (bounds) checking! + return i; +} + +static const char NewLine[1] = { '\n' }; + +general_parsebuf::general_parsebuf(streambuf *buf, int delete_arg_buf) + : parsebuf() +{ + delete_buf = delete_arg_buf; + sbuf = buf; + int buf_size = 128; + char* buffer = (char*)malloc(buf_size); + setb(buffer, buffer+buf_size, 1); +// setg(buffer, buffer, buffer); +} + +general_parsebuf::~general_parsebuf() +{ + if (delete_buf) + delete sbuf; +} + +int general_parsebuf::underflow() +{ + register char *ptr = base(); + int has_newline = eback() < gptr() && gptr()[-1] == '\n'; + if (has_newline) + *ptr++ = '\n'; + register streambuf *sb = sbuf; + register int ch; + for (;;) { + ch = sb->sbumpc(); + if (ch == EOF) + break; + if (ptr == ebuf()) { + int old_size = ebuf() - base(); + char *new_buffer = new char[old_size * 2]; + memcpy(new_buffer, base(), old_size); + setb(new_buffer, new_buffer + 2 * old_size, 1); + ptr = new_buffer + old_size; + } + *ptr++ = ch; + if (ch == '\n') + break; + } + char *cur_pos = base() + has_newline; + pos_at_line_start += _line_length + 1; + _line_length = ptr - cur_pos; + if (ch != EOF || _line_length > 0) + __line_number++; + setg(base(), cur_pos, ptr); + return ptr == cur_pos ? EOF : cur_pos[0]; +} + +char* general_parsebuf::current_line() +{ + char* ret = base(); + if (__line_number > 1) + ret++; // Move past '\n' from end of previous line. + return ret; +} + +int general_parsebuf::tell_in_line() +{ + int off = gptr() - base(); + if (__line_number > 1) + off--; // Subtract 1 for '\n' from end of previous line. + return off; +} + +int general_parsebuf::seek_in_line(int i) +{ + if (__line_number == 0) + (void)general_parsebuf::underflow(); + if (__line_number > 1) + i++; // Add 1 for '\n' from end of previous line. + if (i < 0) i = 0; + int len = egptr() - eback(); + if (i > len) i = len; + setg(base(), base() + i, egptr()); + return i; +} + +func_parsebuf::func_parsebuf(CharReader func, void *argm) : parsebuf() +{ + read_func = func; + arg = argm; + buf_start = NULL; + buf_end = NULL; + setb((char*)NewLine, (char*)NewLine+1, 0); + setg((char*)NewLine, (char*)NewLine+1, (char*)NewLine+1); + backed_up_to_newline = 0; +} + +int func_parsebuf::tell_in_line() +{ + if (buf_start == NULL) + return 0; + if (egptr() != (char*)NewLine+1) + // Get buffer was line buffer. + return gptr() - buf_start; + if (backed_up_to_newline) + return -1; // Get buffer is '\n' preceding current line. + // Get buffer is '\n' following current line. + return (buf_end - buf_start) + (gptr() - (char*)NewLine); +} + +char* func_parsebuf::current_line() +{ + return buf_start; +} + +int func_parsebuf::seek_in_line(int i) +{ + if (i < 0) { + // Back up to preceding '\n'. + if (i < -1) i = -1; + backed_up_to_newline = 1; + setg((char*)NewLine, (char*)NewLine+(i+1), (char*)NewLine+1); + return i; + } + backed_up_to_newline = 0; + int line_length = buf_end-buf_start; + if (i <= line_length) { + setg(buf_start, buf_start+i, buf_end); + return i; + } + i -= line_length; + if (i > 0) i = 1; + setg((char*)NewLine, (char*)NewLine+i, (char*)NewLine+1); + return line_length + i; +} + +int func_parsebuf::underflow() +{ + retry: + if (gptr() < egptr()) + return *gptr(); + if (gptr() != (char*)NewLine+1) { + // Get buffer was line buffer. Move to following '\n'. + setg((char*)NewLine, (char*)NewLine, (char*)NewLine+1); + return *gptr(); + } + if (backed_up_to_newline) + // Get buffer was '\n' preceding current line. Move to current line. + backed_up_to_newline = 0; + else { + // Get buffer was '\n' following current line. Read new line. + if (buf_start) free(buf_start); + char *str = (*read_func)(arg); + buf_start = str; + if (str == NULL) + return EOF; + // Initially, _line_length == -1, so pos_at_line_start becomes 0. + pos_at_line_start += _line_length + 1; + _line_length = strlen(str); + buf_end = str + _line_length; + __line_number++; + } + setg(buf_start, buf_start, buf_end); + goto retry; +} + +#if 0 +size_t parsebuf::line_length() +{ + if (current_line_length == (size_t)(-1)) // Initial value; + (void)sgetc(); + return current_line_length; +} +#endif + +int parsebuf::seek_in_line(int i) +{ +#if 1 + abort(); + return i; // Suppress warnings. +#else + if (i > 0) { + size_t len = line_length(); + if ((unsigned)i > len) i = len; + } + else if (i < -1) i = -1; + int new_pos = seekoff(pos_at_line_start + i, ios::beg); + if (new_pos == EOF) + return tell_in_line(); + else return new_pos - pos_at_line_start; +#endif +} diff --git a/contrib/libio/parsestream.h b/contrib/libio/parsestream.h new file mode 100644 index 0000000..326ab87 --- /dev/null +++ b/contrib/libio/parsestream.h @@ -0,0 +1,156 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. + +Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef PARSESTREAM_H +#define PARSESTREAM_H +#ifdef __GNUG__ +#pragma interface +#endif +#include "streambuf.h" + +extern "C++" { +// A parsebuf is a streambuf optimized for scanning text files. +// It keeps track of line and column numbers. +// It is guaranteed to remember the entire current line, +// as well the '\n'-s on either side of it (if they exist). +// You can arbitrarily seek (or unget) within this extended line. +// Other backward seeks are not supported. +// Normal read semantics are supported (and hence istream operators like >>). + +class parsebuf : public streambuf { + protected: + _IO_fpos_t pos_at_line_start; + long _line_length; + unsigned long __line_number; + char *buf_start; + char *buf_end; + + public: + parsebuf *chain; + + // Return column number (raw - don't handle tabs etc). + // Retult can be -1, meaning: at '\n' before current line. + virtual int tell_in_line(); + + // seek to (raw) column I in current line. + // Result is new (raw) column position - differs from I if unable to seek. + // Seek to -1 tries to seek to before previous LF. + virtual int seek_in_line(int i); + + // Note: there is no "current line" initially, until something is read. + + // Current line number, starting with 0. + // If tell_in_line()==-1, then line number of next line. + int line_number() { return __line_number; } + + // Length of current line, not counting either '\n'. + int line_length() { return _line_length; } + // Current line - not a copy, so file ops may trash it. + virtual char* current_line(); + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + virtual streambuf* setbuf(char* p, int len); + protected: + parsebuf() { chain= NULL; + __line_number = 0; pos_at_line_start = 0; _line_length = -1; } + virtual int pbackfail(int c); +}; + +// A string_parsebuf is a parsebuf whose source is a fixed string. + +class string_parsebuf : public parsebuf { + public: + int do_delete; + string_parsebuf(char *str, int len, int delete_at_close=0); + virtual int underflow(); + virtual char* current_line(); + virtual int seek_in_line(int i); + virtual int tell_in_line(); + char *left() const { return base(); } + char *right() const { return ebuf(); } +// streampos seekoff(streamoff, _seek_dir, int); +}; + +// A func_parsebuf calls a given function to get new input. +// Each call returns an entire NUL-terminated line (without the '\n'). +// That line has been allocated with malloc(), not new. +// The interface is tailored to the GNU readline library. +// Example: +// char* DoReadLine(void* arg) +// { +// char *line = readline((char*)arg); /* 'arg' is used as prompt. */ +// if line == NULL) { putc('\n', stderr); return NULL; } +// if (line[0] != '\0') add_history(line); +// return line; +// } +// char PromptBuffer[100] = "> "; +// func_parsebuf my_stream(DoReadLine, PromptBuffer); + +typedef char *(*CharReader)(void *arg); +class istream; + +class func_parsebuf : public parsebuf { + public: + void *arg; + CharReader read_func; + int backed_up_to_newline; + func_parsebuf(CharReader func, void *argm = NULL); + int underflow(); + virtual int tell_in_line(); + virtual int seek_in_line(int i); + virtual char* current_line(); +}; + +// A general_parsebuf is a parsebuf which gets its input from some +// other streambuf. It explicitly buffers up an entire line. + +class general_parsebuf : public parsebuf { + public: + streambuf *sbuf; + int delete_buf; // Delete sbuf when destroying this. + general_parsebuf(streambuf *buf, int delete_arg_buf = 0); + int underflow(); + virtual int tell_in_line(); + virtual int seek_in_line(int i); + ~general_parsebuf(); + virtual char* current_line(); +}; + +#if 0 +class parsestream : public istream { + streammarker marks[2]; + short _first; // of the two marks; either 0 or 1 + int _lineno; + int first() { return _first; } + int second() { return 1-_first; } + int line_length() { marks[second].delta(marks[first]); } + int line_length() { marks[second].delta(marks[first]); } + int seek_in_line(int i); + int tell_in_line(); + int line_number(); +}; +#endif +} // extern "C++" +#endif /*!defined(PARSESTREAM_H)*/ diff --git a/contrib/libio/peekc.c b/contrib/libio/peekc.c new file mode 100644 index 0000000..0b3b514 --- /dev/null +++ b/contrib/libio/peekc.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef _IO_peekc + +int +_IO_peekc_locked (fp) + _IO_FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_peekc_unlocked (fp); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/pfstream.cc b/contrib/libio/pfstream.cc new file mode 100644 index 0000000..3fa93c9 --- /dev/null +++ b/contrib/libio/pfstream.cc @@ -0,0 +1,92 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include "libioP.h" +#include <pfstream.h> +#include <procbuf.h> + +ipfstream::ipfstream(const char *name, int mode, int prot) +{ + const char* p; + + // Look for '| command' (as used by ftp). + for (p = name; *p == ' ' || *p == '\t'; p++) ; + if (*p == '|') { + procbuf *pbuf = new procbuf(); + init(pbuf); + if (!pbuf->open(p+1, mode)) + set(ios::badbit); + return; + } + + // Look for 'command |' + while (*p) p++; // Point to last + while (p[-1] == ' ' || p[-1] == '\t' || p[-1] == '\n') p--; + if (p[-1] == '|') { + // Must remove the final '|'. + p--; +#if !defined (__GNUC__) || defined (__STRICT_ANSI__) + char *command = new char[p-name+1]; +#else + char command[p-name+1]; +#endif + memcpy(command, name, p-name); + command[p-name] = '\0'; + + procbuf *pbuf = new procbuf(); + if (pbuf->open(command, mode)) + set(ios::badbit); +#if !defined (__GNUC__) || defined (__STRICT_ANSI__) + delete command; +#endif + return; + } + + init(new filebuf()); + if (!rdbuf()->open(name, mode, prot)) + set(ios::badbit); +} + +opfstream::opfstream(const char *name, int mode, int prot) +{ + const char *p; + // Look for '| command'. + for (p = name; *p == ' ' || *p == '\t'; p++) ; + if (*p == '|') { + procbuf *pbuf = new procbuf(); + init(pbuf); + if (!pbuf->open(p+1, mode)) + set(ios::badbit); + } + else { + init(new filebuf()); + if (!rdbuf()->open(name, mode, prot)) + set(ios::badbit); + } +} diff --git a/contrib/libio/pfstream.h b/contrib/libio/pfstream.h new file mode 100644 index 0000000..3c5458b --- /dev/null +++ b/contrib/libio/pfstream.h @@ -0,0 +1,59 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef _PFSTREAM_H +#define _PFSTREAM_H +#ifdef __GNUG__ +#pragma interface +#endif +#include <fstream.h> + +extern "C++" { +// ipfstream foo("NAME") is like: ifstream foo("NAME"). However, +// if NAME starts *or ends* with a '|', the remainder of NAME is +// evaluated as a shell command (using a procbuf), and all input +// read from foo is whatever that shell writes to its standard output. +// E.g. ipfstream foo("|zcat foo.Z") or ipfstream foo("zcat foo.Z|") +// (These two forms are equivalent.) + +class ipfstream : public ifstream { + public: + ipfstream(const char *name, int mode=ios::in, int prot=0664); +}; + +// opfstream foo("NAME") is like: ofstream foo("NAME"). +// However, if NAME starts with a '|', the remainder of NAME is +// evaluated as a shell command (using a procbuf), and all output +// written to foo is piped to the standard input of that shell. +// E.g. opfstream foo("|more"); + +class opfstream : public ofstream { + public: + opfstream(const char *name, int mode=ios::out, int prot=0664); +}; +} // extern "C++" +#endif /*!_PFSTREAM_H*/ + diff --git a/contrib/libio/procbuf.cc b/contrib/libio/procbuf.cc new file mode 100644 index 0000000..1c79ce4 --- /dev/null +++ b/contrib/libio/procbuf.cc @@ -0,0 +1,55 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif + +#define _POSIX_SOURCE +#include "libioP.h" +#include "procbuf.h" + +procbuf::procbuf(const char *command, int mode) : filebuf() +{ + _IO_proc_open(this, command, (mode & ios::in) ? "r" : "w"); +} + +procbuf *procbuf::open(const char *command, int mode) +{ + return (procbuf*)_IO_proc_open(this, command, (mode & ios::in) ? "r" : "w"); +} + +/* #define USE_SIGMASK */ + +int procbuf::sys_close() +{ + return _IO_proc_close(this); +} + +procbuf::~procbuf() +{ + close(); +} diff --git a/contrib/libio/procbuf.h b/contrib/libio/procbuf.h new file mode 100644 index 0000000..b361a6a --- /dev/null +++ b/contrib/libio/procbuf.h @@ -0,0 +1,50 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef _PROCBUF_H +#define _PROCBUF_H +#ifdef __GNUG__ +#pragma interface +#endif + +#include <streambuf.h> + +extern "C++" { +class procbuf : public filebuf { + /* Following fields must match those in struct _IO_proc_file */ + _IO_pid_t _pid; + procbuf *_next; + public: + procbuf() : filebuf() { } + procbuf(const char *command, int mode); + procbuf* open(const char *command, int mode); + procbuf *close() { return (procbuf*)filebuf::close(); } + virtual int sys_close(); + ~procbuf(); +}; +} // extern "C++" + +#endif /* !_PROCBUF_H */ diff --git a/contrib/libio/sbform.cc b/contrib/libio/sbform.cc new file mode 100644 index 0000000..c17bd08 --- /dev/null +++ b/contrib/libio/sbform.cc @@ -0,0 +1,40 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include "streambuf.h" +#include <stdarg.h> + +int streambuf::vform(char const *fmt0, _IO_va_list ap) +{ + return _IO_vfprintf(this, fmt0, ap); +} +int streambuf::form(char const *format ...) +{ + va_list ap; + va_start(ap, format); + int count = _IO_vfprintf(this, format, ap); + va_end(ap); + return count; +} diff --git a/contrib/libio/sbgetline.cc b/contrib/libio/sbgetline.cc new file mode 100644 index 0000000..0475114 --- /dev/null +++ b/contrib/libio/sbgetline.cc @@ -0,0 +1,31 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include "streambuf.h" + +long streambuf::sgetline(char* buf, _IO_size_t n, char delim, int extract_delim) +{ + return _IO_getline_info(this, buf, n, delim, extract_delim, (int *) 0); +} diff --git a/contrib/libio/sbscan.cc b/contrib/libio/sbscan.cc new file mode 100644 index 0000000..c0ec35c --- /dev/null +++ b/contrib/libio/sbscan.cc @@ -0,0 +1,45 @@ + +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include "streambuf.h" +#include <stdarg.h> + +int streambuf::vscan(char const *fmt0, _IO_va_list ap, ios* stream /* = NULL*/) +{ + int errcode = 0; + int count = _IO_vfscanf(this, fmt0, ap, &errcode); + if (stream) + stream->setstate((ios::iostate)errcode); + return count; +} +int streambuf::scan(char const *format ...) +{ + va_list ap; + va_start(ap, format); + int count = _IO_vfscanf(this, format, ap, NULL); + va_end(ap); + return count; +} diff --git a/contrib/libio/stdfiles.c b/contrib/libio/stdfiles.c new file mode 100644 index 0000000..8453e33 --- /dev/null +++ b/contrib/libio/stdfiles.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + + +/* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr + for C code. Compare stdstreams.cc. + (The difference is that here the vtable field is set to 0, + so the objects defined are not valid C++ objects. On the other + hand, we don't need a C++ compiler to build this file.) */ + +#include "libioP.h" + +#ifdef _IO_MTSAFE_IO +#define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ + static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ + struct _IO_FILE_plus NAME \ + = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_file_jumps} +#else +#define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ + struct _IO_FILE_plus NAME \ + = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), &_IO_file_jumps} +#endif + +DEF_STDFILE(_IO_stdin_, 0, 0, _IO_NO_WRITES); +DEF_STDFILE(_IO_stdout_, 1, &_IO_stdin_.file, _IO_NO_READS); +DEF_STDFILE(_IO_stderr_, 2, &_IO_stdout_.file, + _IO_NO_READS+_IO_UNBUFFERED); + +_IO_FILE *_IO_list_all = &_IO_stderr_.file; diff --git a/contrib/libio/stdio/ChangeLog b/contrib/libio/stdio/ChangeLog new file mode 100644 index 0000000..1e2975d --- /dev/null +++ b/contrib/libio/stdio/ChangeLog @@ -0,0 +1,137 @@ +Sun Mar 14 02:38:07 PST 1999 Jeff Law (law@cygnus.com) + + * egcs-1.1.2 Released. + +1997-09-04 16:11 Ulrich Drepper <drepper@cygnus.com> + + * Makefile.in (STDIO_OBJECTS): Lose feof.o and ferror.o. Add getc.o + and putc.o. + (stmp-libio, stmp-libiostream, stmp-io, stmp-streamlib): New rules. + + (iostream.list): Depend upon stmp-stdio. Add the entries + from stdio.list to iostream.list. + (stmp-stdio): New name for what was the stdio/stdio.list rule. + All it now does is cd down into stdio and build stdio.list. + + * clearerr.c: Add copyright and lock stream before use. + * feof.c: Likewise. + * ferror.c: Likewise. + * fgetc.c: Likewise. + * fputc.c: Likewise. + * freopen.c: Likewise. + * fseek.c: Likewise. + * getc.c: Likewise. + * getchar.c: Likewise. + * putc.c: Likewise. + * putchar.c: Likewise. + * rewind.c: Likewise. + + * setbuf.c: Update copyright. + * setlinebuf.c: Likewise. + * vscanf.c: Likewise. + + * fileno.c: Define alias fileno_unlocked. Update copyright. + + * clearerr_u.c: New file. Implement clearerr_unlocked function. + * feof_u.c: New file. Implement feof_unlocked function. + * ferror_u.c: New file. Implement ferror_unlocked function. + * fputc_u.c: New file. Implement fputc_unlocked function. + * getc_u.c: New file. Implement getc_unclocked function. + * getchar_u.c: New file. Implement getchar_unclocked function. + * putc_u.c: New file. Implement putc_unclocked function. + * putchar_u.c: New file. Implement putchar_unclocked function. + + * vsnprintf.c: Rewrite according to ISO C 9X draft. + +Thu May 1 11:03:45 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * stdio.h (TMP_MAX): Wrap it with #ifndef for now, since it can + get defined by <limits.h> (e.g., HP/UX and AIX). + +Wed Mar 12 08:51:37 1997 Gavin Koch <gavin@cygnus.com> + + * stdio.h: Use _IO_va_list rather than _G_va_list. + +Wed Jun 14 21:41:50 1995 Jason Merrill <jason@python.cygnus.com> + + * configure.in (LIBDIR): Set. + (MOSTLYCLEAN): Remove pic and stamp-picdir. + (stdio_objects): Also compile pic version. + + * Makefile.in (STDIO_OBJECTS): Remove getdelim.o. + +Wed May 10 03:05:53 1995 Jason Merrill <jason@python.cygnus.com> + + * vsnprintf.c (vsnprintf): Update to use _IO_JUMPS. + + * Makefile.in (STDIO_OBJECTS): Fix typo. + +Tue Oct 18 17:15:09 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * getline.c, snprintf.c, vsnprintf.c: New files, providing + functionality of the GNU C library. + * Makefile.in (STDIO_OBJECTS), configure.in: Add new files. + * stdio.h: Add new functions. + +Fri Oct 14 15:56:27 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdio.h: Added vfscanf, vscanf, vsscanf, #ifndef __STRICT_ANSI__. + +Tue Aug 23 16:17:25 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdio.h: Added comment, at hjl's request. + +Sun Aug 7 13:28:12 1994 H.J. Lu (hjl@nynexst.com) + + * stdio.h (getc, getchar, putc, putchar): New declarations. + Move macros after the declarations. + +Fri Aug 5 18:27:21 1994 H.J. Lu (hjl@nynexst.com) + + * clearerr.c, rewind.c, setfileno.c: + Add CHECK_FILE(fp, ) and remove COERCE_FILE(fp). + * feof.c, ferror.c, fgetc.c, fileno.c, fputc.c, getw.c, putw.c, + vfscanf.c: Add CHECK_FILE(fp, EOF) and remove COERCE_FILE(fp). + * freopen.c: Add CHECK_FILE(fp, NULL) and remove COERCE_FILE(fp). + * fseek.c, vfprintf.c: + Add CHECK_FILE(fp, -1) and remove COERCE_FILE(fp). + +Fri May 20 13:11:58 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * stdio.h: Rename _ARGS macro to __P for better gnlibc and + BSD compatibility. + +Fri Nov 26 13:26:35 1993 Per Bothner (bothner@kalessin.cygnus.com) + + Bunch of little changes, many from H.J. Lu <hjl@nynexst.com>. + * feof.c, setbuf.c, vprintf.c, vcanf.c: #include <stdio.h>, + for error checking. + * fileno.c: #include libioP.h, not just libio.h. + * fputc.c: Fix typo. + * fseek.c, rewind.c: Use #include "...", not <...> ,for local files. + * getc.c, getchar.c, putc.c, putchar.c: New files, providing + non-macro versions of the standard macros. + * getw.c, putw.c, setfileno.c, setlinebuf.c: New files. + * Makefile.in (STDIO_OBJECTS): Add new files. + * vfscanf.c: Add missing new 4th arg to _IO_vfscanf call. + +Thu Oct 14 16:12:07 1993 Karen Christiansen (karen@deneb.cygnus.com) + + * configure.in: changed mv to mv -f + +Mon Oct 4 17:29:23 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * configure.in (stdio_renames): Add fgetpos, fsetpos, gets, + perror, setbuffer, ungetc. + * clearerr.c, ferror.c, fgetc.c, fileno.c, fputc.c, freopen.c, + fseek.c, popen.c, rewind.c, setbuf.c: New files. + * Makefile.in (STDIO_OBJECTS): Add new files. + * stdio.h: Use _IO_XXX instead of _G_XXX many places. + #include <libio.h> instead of <_stdio.h>, to get useful defs. + +Fri Aug 20 00:28:28 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * feof.c, vprintf.c, vscanf.c: Converted stub functions. + * configure.in (stdio_renamed): Removed feof. + Added sprintf sscanf vsscanf. + * ChangeLog.old: Copy of old libg++/iostream/stdio/ChangeLog. diff --git a/contrib/libio/stdio/Makefile.in b/contrib/libio/stdio/Makefile.in new file mode 100644 index 0000000..680c8a4 --- /dev/null +++ b/contrib/libio/stdio/Makefile.in @@ -0,0 +1,35 @@ +srcdir = . + +#### package, host, target, and site dependent Makefile fragments come in here. +## + +# These are compiled from the corresponding ../ioFOO.c files. +STDIO_RENAMED_OBJECTS = ... filled in by configure ... +# These are the files that a libc would want. +STDIO_OBJECTS = $(STDIO_RENAMED_OBJECTS) \ + clearerr.o fdopen.o fgetc.o fileno.o \ + fputc.o freopen.o fseek.o getchar.o getline.o getw.o \ + popen.o putchar.o putw.o rewind.o \ + setbuf.o setfileno.o setlinebuf.o snprintf.o \ + vfprintf.o vfscanf.o vprintf.o vscanf.o vsnprintf.o + +CC_FOR_STDIO=$(CC) +CINCLUDES = -I. -I$(srcdir) -I.. -I$(srcdir)/.. -D__USE_GNU + +nothing: + +stmp-libio: stdio.list stamp-io + +stamp-io: + $(AR) $(AR_FLAGS) ../libio.a $(STDIO_OBJECTS) + touch stmp-io + +stmp-libiostream: stdio.list stamp-streamlib + +stamp-streamlib: + $(AR) $(AR_FLAGS) ../libiostream.a $(STDIO_OBJECTS) + touch stmp-streamlib + +stdio.list: stamp-picdir $(STDIO_OBJECTS) + @echo "$(STDIO_OBJECTS)" >stdio.list + diff --git a/contrib/libio/stdio/clearerr.c b/contrib/libio/stdio/clearerr.c new file mode 100644 index 0000000..4776250 --- /dev/null +++ b/contrib/libio/stdio/clearerr.c @@ -0,0 +1,30 @@ +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +void +clearerr (fp) + FILE *fp; +{ + CHECK_FILE (fp, /*nothing*/); + _IO_flockfile (fp); + _IO_clearerr (fp); + _IO_funlockfile (fp); +} diff --git a/contrib/libio/stdio/clearerr_u.c b/contrib/libio/stdio/clearerr_u.c new file mode 100644 index 0000000..2a1ba70 --- /dev/null +++ b/contrib/libio/stdio/clearerr_u.c @@ -0,0 +1,28 @@ +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +void +clearerr_unlocked (fp) + FILE *fp; +{ + CHECK_FILE (fp, /*nothing*/); + _IO_clearerr (fp); +} diff --git a/contrib/libio/stdio/configure.in b/contrib/libio/stdio/configure.in new file mode 100644 index 0000000..83cac17 --- /dev/null +++ b/contrib/libio/stdio/configure.in @@ -0,0 +1,49 @@ +# This file is a shell script fragment that supplies the information +# necessary for a configure script to process the program in +# this directory. For more information, look at ../configure. + +configdirs= +srctrigger=stdio.h +srcname="libio/stdio" +package_makefile_frag=../Make.pack +package_makefile_rules_frag=../Make.pack.r + +# per-host: + +# per-target: + +LIBDIR=yes +TO_TOPDIR=../../ +ALL=nothing +MOSTLYCLEAN='*.o pic stamp-picdir core stdio.list' +(. ${srcdir}/../config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag} + +# post-target: + +# Certain files that are used to build a C library (such as fprintf.o) +# are compled from the same sources as the ioXXX versions (such as ioprintf.c). +# These lines add the appropriate rules. +# NOTE: We assume a C compiler that where -o with -c works. +# But these files are not built by default anyway ... + +# TODO: remove rename tmpfile tmpnam + +stdio_renames="fclose fflush fgetpos fgets fopen fprintf fputs fread \ + fscanf fsetpos ftell fwrite getdelim gets perror printf puts \ + scanf setbuffer setvbuf sprintf sscanf ungetc vsprintf vsscanf" +stdio_objects="" + +for file in $stdio_renames ; do + cat >>Makefile <<EOF +$file.o: \$(srcdir)/../io$file.c + if [ -n "\$(PICFLAG)" ]; then \\ + \$(CC_FOR_STDIO) \$(CFLAGS) \$(CINCLUDES) \$(PICFLAG) -c \\ + \$(srcdir)/../io$file.c -D_IO_$file=$file -o pic/$file.o; \\ + fi + \$(CC_FOR_STDIO) \$(CFLAGS) \$(CINCLUDES) -c \\ + \$(srcdir)/../io$file.c -D_IO_$file=$file -o $file.o +EOF + stdio_objects="$stdio_objects $file.o" +done +sed -e "/STDIO_RENAMED_OBJECTS =/s/=.*/=${stdio_objects}/" <Makefile >tmp +mv -f tmp Makefile diff --git a/contrib/libio/stdio/fdopen.c b/contrib/libio/stdio/fdopen.c new file mode 100644 index 0000000..83e026e --- /dev/null +++ b/contrib/libio/stdio/fdopen.c @@ -0,0 +1,9 @@ +#include "libioP.h" + +_IO_FILE * +fdopen (fd, mode) + int fd; + const char *mode; +{ + return _IO_fdopen (fd, mode); +} diff --git a/contrib/libio/stdio/feof.c b/contrib/libio/stdio/feof.c new file mode 100644 index 0000000..d06de04 --- /dev/null +++ b/contrib/libio/stdio/feof.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +_IO_feof (fp) + _IO_FILE* fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_flockfile (fp); + result = _IO_feof_unlocked (fp); + _IO_funlockfile (fp); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_feof, feof) +#endif diff --git a/contrib/libio/stdio/feof_u.c b/contrib/libio/stdio/feof_u.c new file mode 100644 index 0000000..4773599 --- /dev/null +++ b/contrib/libio/stdio/feof_u.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef feof_unlocked + +int +feof_unlocked (fp) + _IO_FILE* fp; +{ + CHECK_FILE (fp, EOF); + return _IO_feof_unlocked (fp); +} diff --git a/contrib/libio/stdio/ferror.c b/contrib/libio/stdio/ferror.c new file mode 100644 index 0000000..855627a --- /dev/null +++ b/contrib/libio/stdio/ferror.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +_IO_ferror (fp) + _IO_FILE* fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_flockfile (fp); + result = _IO_ferror_unlocked (fp); + _IO_funlockfile (fp); + return result; +} + +#ifdef weak_alias +weak_alias (_IO_ferror, ferror) +#endif diff --git a/contrib/libio/stdio/ferror_u.c b/contrib/libio/stdio/ferror_u.c new file mode 100644 index 0000000..6e13e53 --- /dev/null +++ b/contrib/libio/stdio/ferror_u.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef ferror_unlocked + +int +ferror_unlocked (fp) + _IO_FILE* fp; +{ + CHECK_FILE (fp, EOF); + return _IO_ferror_unlocked (fp); +} diff --git a/contrib/libio/stdio/fgetc.c b/contrib/libio/stdio/fgetc.c new file mode 100644 index 0000000..174e60f --- /dev/null +++ b/contrib/libio/stdio/fgetc.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +fgetc (fp) + FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_getc_unlocked (fp); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/stdio/fileno.c b/contrib/libio/stdio/fileno.c new file mode 100644 index 0000000..7ff93e6 --- /dev/null +++ b/contrib/libio/stdio/fileno.c @@ -0,0 +1,49 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +fileno (fp) + _IO_FILE* fp; +{ + CHECK_FILE (fp, EOF); + + if (!(fp->_flags & _IO_IS_FILEBUF)) + return EOF; + + return _IO_fileno (fp); +} + +#ifdef _IO_MTSAFE_IO +#ifdef weak_alias +/* The fileno implementation for libio does not require locking because + it only accesses once a single variable and this is already atomic + (at least at thread level). */ + +weak_alias (fileno, fileno_unlocked) +#endif +#endif diff --git a/contrib/libio/stdio/fputc.c b/contrib/libio/stdio/fputc.c new file mode 100644 index 0000000..22cdfab --- /dev/null +++ b/contrib/libio/stdio/fputc.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +fputc (c, fp) + int c; + _IO_FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_putc_unlocked (c, fp); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/stdio/fputc_u.c b/contrib/libio/stdio/fputc_u.c new file mode 100644 index 0000000..48701e1 --- /dev/null +++ b/contrib/libio/stdio/fputc_u.c @@ -0,0 +1,38 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef fputc_unlocked + +int +fputc_unlocked (c, fp) + int c; + _IO_FILE *fp; +{ + CHECK_FILE (fp, EOF); + return _IO_putc_unlocked (c, fp); +} diff --git a/contrib/libio/stdio/freopen.c b/contrib/libio/stdio/freopen.c new file mode 100644 index 0000000..ff57d60 --- /dev/null +++ b/contrib/libio/stdio/freopen.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +FILE* +freopen (filename, mode, fp) + const char* filename; + const char* mode; + FILE* fp; +{ + FILE *result; + CHECK_FILE (fp, NULL); + if (!(fp->_flags & _IO_IS_FILEBUF)) + return NULL; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_freopen (filename, mode, fp); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/stdio/fseek.c b/contrib/libio/stdio/fseek.c new file mode 100644 index 0000000..f2563d3 --- /dev/null +++ b/contrib/libio/stdio/fseek.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +fseek (fp, offset, whence) + _IO_FILE* fp; + long int offset; + int whence; +{ + int result; + CHECK_FILE (fp, -1); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_fseek (fp, offset, whence); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/stdio/getc.c b/contrib/libio/stdio/getc.c new file mode 100644 index 0000000..1dc53b5 --- /dev/null +++ b/contrib/libio/stdio/getc.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef _IO_getc + +int +_IO_getc (fp) + FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_getc_unlocked (fp); + _IO_cleanup_region_end (1); + return result; +} + +#undef getc + +#ifdef weak_alias +weak_alias (_IO_getc, getc) +#endif diff --git a/contrib/libio/stdio/getc_u.c b/contrib/libio/stdio/getc_u.c new file mode 100644 index 0000000..f074427 --- /dev/null +++ b/contrib/libio/stdio/getc_u.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef getc_unlocked + +int +getc_unlocked (fp) + FILE *fp; +{ + CHECK_FILE (fp, EOF); + return _IO_getc_unlocked (fp); +} diff --git a/contrib/libio/stdio/getchar.c b/contrib/libio/stdio/getchar.c new file mode 100644 index 0000000..93194b3 --- /dev/null +++ b/contrib/libio/stdio/getchar.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef getchar + +int +getchar () +{ + int result; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, stdin); + _IO_flockfile (stdin); + result = _IO_getc_unlocked (stdin); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/stdio/getchar_u.c b/contrib/libio/stdio/getchar_u.c new file mode 100644 index 0000000..bfbe56b --- /dev/null +++ b/contrib/libio/stdio/getchar_u.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef getchar_unlocked + +int +getchar_unlocked () +{ + return _IO_getc_unlocked (stdin); +} diff --git a/contrib/libio/stdio/getline.c b/contrib/libio/stdio/getline.c new file mode 100644 index 0000000..6f4b677 --- /dev/null +++ b/contrib/libio/stdio/getline.c @@ -0,0 +1,13 @@ +#include "libioP.h" +#include "stdio.h" + +/* NOTE: This geline function is different from _IO_getline. */ + +_IO_ssize_t +getline (lineptr, linelen, fp) + char** lineptr; + size_t* linelen; + FILE* fp; +{ + return _IO_getdelim (lineptr, linelen, '\n', fp); +} diff --git a/contrib/libio/stdio/getw.c b/contrib/libio/stdio/getw.c new file mode 100644 index 0000000..1dfafbc --- /dev/null +++ b/contrib/libio/stdio/getw.c @@ -0,0 +1,13 @@ +#include "libioP.h" +#include "stdio.h" + +int +getw(fp) + FILE *fp; +{ + int w; + _IO_size_t bytes_read; + CHECK_FILE(fp, EOF); + bytes_read = _IO_sgetn (fp, (char*)&w, sizeof(w)); + return sizeof(w) == bytes_read ? w : EOF; +} diff --git a/contrib/libio/stdio/obprintf.c b/contrib/libio/stdio/obprintf.c new file mode 100644 index 0000000..6b959e4 --- /dev/null +++ b/contrib/libio/stdio/obprintf.c @@ -0,0 +1,168 @@ +/* Print output of stream to given obstack. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +#ifdef __STDC__ +#include <stdlib.h> +#endif +#include "libioP.h" +#include <string.h> +#include <errno.h> +#include <obstack.h> +#include <stdarg.h> + + +struct _IO_obstack_file +{ + struct _IO_FILE file; + const void *vtable; + struct obstack *obstack; +}; + + +static int +_IO_obstack_overflow (_IO_FILE *fp, int c) +{ + struct obstack *obstack = ((struct _IO_obstack_file *) fp)->obstack; + + /* Make room for another character. This might as well allocate a + new chunk a memory and moves the old contents over. */ + if (c != EOF) + obstack_1grow (obstack, c); + + /* Setup the buffer pointers again. */ + fp->_IO_write_base = obstack_base (obstack); + fp->_IO_write_ptr = obstack_next_free (obstack); + fp->_IO_write_end = fp->_IO_write_base + obstack_room (obstack); + /* Now allocate the rest of the current chunk. */ + obstack_blank_fast (obstack, fp->_IO_write_end - fp->_IO_write_ptr); + + return c; +} + + +static _IO_size_t +_IO_obstack_xsputn (_IO_FILE *fp, const void *data, _IO_size_t n) +{ + struct obstack *obstack = ((struct _IO_obstack_file *) fp)->obstack; + + if (fp->_IO_write_ptr + n > fp->_IO_write_end) + { + /* We need some more memory. First shrink the buffer to the + space we really currently need. */ + obstack_blank (obstack, fp->_IO_write_ptr - fp->_IO_write_end); + + /* Now grow for N bytes. */ + obstack_blank (obstack, n); + + /* Setup the buffer pointers again. */ + fp->_IO_write_base = obstack_base (obstack); + fp->_IO_write_ptr = obstack_next_free (obstack); + fp->_IO_write_end = (fp->_IO_write_base + obstack_room (obstack)); + /* Now allocate the rest of the current chunk. */ + obstack_blank_fast (obstack, fp->_IO_write_end - fp->_IO_write_ptr); + } + else + { + memcpy (fp->_IO_write_ptr, data, n); + fp->_IO_write_ptr += n; + } + + return n; +} + + +/* the jump table. */ +static struct _IO_jump_t _IO_obstack_jumps = +{ + JUMP_INIT_DUMMY, + JUMP_INIT(finish, NULL), + JUMP_INIT(overflow, _IO_obstack_overflow), + JUMP_INIT(underflow, NULL), + JUMP_INIT(uflow, NULL), + JUMP_INIT(pbackfail, NULL), + JUMP_INIT(xsputn, _IO_obstack_xsputn), + JUMP_INIT(xsgetn, NULL), + JUMP_INIT(seekoff, NULL), + JUMP_INIT(seekpos, NULL), + JUMP_INIT(setbuf, NULL), + JUMP_INIT(sync, NULL), + JUMP_INIT(doallocate, NULL), + JUMP_INIT(read, NULL), + JUMP_INIT(write, NULL), + JUMP_INIT(seek, NULL), + JUMP_INIT(close, NULL), + JUMP_INIT(stat, NULL) +}; + + +int +_IO_obstack_vprintf (struct obstack *obstack, const char *format, va_list args) +{ + struct obstack_FILE + { + struct _IO_obstack_file ofile; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + } new_f; + int result; + +#ifdef _IO_MTSAFE_IO + new_f.ofile.file._lock = &new_f.lock; +#endif + + _IO_init ((_IO_FILE *) &new_f.ofile, 0); + _IO_JUMPS (&new_f.ofile.file) = &_IO_obstack_jumps; + _IO_str_init_static (&new_f.ofile.file, obstack_base (obstack), + (obstack_object_size (obstack) + + obstack_room (obstack)), obstack_next_free (obstack)); + /* Now allocate the rest of the current chunk. */ + obstack_blank_fast (obstack, + (new_f.ofile.file._IO_write_end + - new_f.ofile.file._IO_write_ptr)); + new_f.ofile.obstack = obstack; + + result = _IO_vfprintf ((_IO_FILE *) &new_f, format, args); + + /* Shrink the buffer to the space we really currently need. */ + obstack_blank (obstack, (new_f.ofile.file._IO_write_ptr + - new_f.ofile.file._IO_write_end)); + + return result; +} +#ifdef weak_alias +weak_alias (_IO_obstack_vprintf, obstack_vprintf) +#endif + + +int +_IO_obstack_printf (struct obstack *obstack, const char *format, ...) +{ + int result; + va_list ap; + va_start (ap, format); + result = _IO_obstack_vprintf (obstack, format, ap); + va_end (ap); + return result; +} +#ifdef weak_alias +weak_alias (_IO_obstack_printf, obstack_printf) +#endif diff --git a/contrib/libio/stdio/popen.c b/contrib/libio/stdio/popen.c new file mode 100644 index 0000000..9f9f3f7 --- /dev/null +++ b/contrib/libio/stdio/popen.c @@ -0,0 +1,23 @@ +#include "libioP.h" +#include "stdio.h" +#include <errno.h> + +FILE * +popen(command, mode) + const char *command; const char *mode; +{ + return _IO_popen(command, mode); +} + +int +pclose(fp) + FILE *fp; +{ +#if 0 + /* Does not actually test that stream was created by popen(). Instead, + it depends on the filebuf::sys_close() virtual to Do The Right Thing. */ + if (fp is not a proc_file) + return -1; +#endif + return _IO_fclose(fp); +} diff --git a/contrib/libio/stdio/putc.c b/contrib/libio/stdio/putc.c new file mode 100644 index 0000000..3c35c36 --- /dev/null +++ b/contrib/libio/stdio/putc.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +#undef _IO_putc + +int +_IO_putc (c, fp) + int c; + _IO_FILE *fp; +{ + int result; + CHECK_FILE (fp, EOF); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + result = _IO_putc_unlocked (c, fp); + _IO_cleanup_region_end (1); + return result; +} + +#undef putc + +#ifdef weak_alias +weak_alias (_IO_putc, putc) +#endif diff --git a/contrib/libio/stdio/putc_u.c b/contrib/libio/stdio/putc_u.c new file mode 100644 index 0000000..b4d94e8 --- /dev/null +++ b/contrib/libio/stdio/putc_u.c @@ -0,0 +1,31 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +#undef putc_unlocked + +int +putc_unlocked (c, fp) + int c; + _IO_FILE *fp; +{ + CHECK_FILE (fp, EOF); + return _IO_putc_unlocked (c, fp); +} diff --git a/contrib/libio/stdio/putchar.c b/contrib/libio/stdio/putchar.c new file mode 100644 index 0000000..1e1dd13 --- /dev/null +++ b/contrib/libio/stdio/putchar.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +#undef putchar + +int +putchar (c) + int c; +{ + int result; + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, + _IO_stdout); + _IO_flockfile (_IO_stdout); + result = _IO_putc_unlocked (c, _IO_stdout); + _IO_cleanup_region_end (1); + return result; +} diff --git a/contrib/libio/stdio/putchar_u.c b/contrib/libio/stdio/putchar_u.c new file mode 100644 index 0000000..f8f387a --- /dev/null +++ b/contrib/libio/stdio/putchar_u.c @@ -0,0 +1,30 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "libioP.h" +#include "stdio.h" + +#undef putchar_unlocked + +int +putchar_unlocked (c) + int c; +{ + CHECK_FILE (stdout, EOF); + return _IO_putc_unlocked (c, stdout); +} diff --git a/contrib/libio/stdio/putw.c b/contrib/libio/stdio/putw.c new file mode 100644 index 0000000..fd73261 --- /dev/null +++ b/contrib/libio/stdio/putw.c @@ -0,0 +1,15 @@ +#include "libioP.h" +#include "stdio.h" + +#undef putw + +int +putw(w, fp) + int w; + FILE *fp; +{ + _IO_size_t written; + CHECK_FILE(fp, EOF); + written = _IO_sputn(fp, (const char *)&w, sizeof(w)); + return written == sizeof(w) ? 0 : EOF; +} diff --git a/contrib/libio/stdio/rewind.c b/contrib/libio/stdio/rewind.c new file mode 100644 index 0000000..bce2757 --- /dev/null +++ b/contrib/libio/stdio/rewind.c @@ -0,0 +1,38 @@ +/* Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +void +rewind (fp) + _IO_FILE *fp; +{ + CHECK_FILE (fp, ); + _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp); + _IO_flockfile (fp); + _IO_rewind (fp); + _IO_cleanup_region_end (1); +} diff --git a/contrib/libio/stdio/setbuf.c b/contrib/libio/stdio/setbuf.c new file mode 100644 index 0000000..ac323a3 --- /dev/null +++ b/contrib/libio/stdio/setbuf.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +void +setbuf (fp, buf) + _IO_FILE *fp; + char *buf; +{ + _IO_setbuffer (fp, buf, _IO_BUFSIZ); +} diff --git a/contrib/libio/stdio/setfileno.c b/contrib/libio/stdio/setfileno.c new file mode 100644 index 0000000..f7ccc6f --- /dev/null +++ b/contrib/libio/stdio/setfileno.c @@ -0,0 +1,17 @@ +/* Some known programs (xterm, pdksh?) non-portably change the _file + field of s struct _iobuf. This kludge allows the same "functionality". + This code is an undocumented feature for iostream/stdio. Use it at + your own risk. */ + +#include "libioP.h" +#include "stdio.h" + +void +setfileno(fp, fd) + _IO_FILE* fp; + int fd; +{ + CHECK_FILE(fp, ); + if ((fp->_flags & _IO_IS_FILEBUF) != 0) + fp->_fileno = fd; +} diff --git a/contrib/libio/stdio/setlinebuf.c b/contrib/libio/stdio/setlinebuf.c new file mode 100644 index 0000000..e4e029f --- /dev/null +++ b/contrib/libio/stdio/setlinebuf.c @@ -0,0 +1,36 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef setlinebuf + +void +setlinebuf (stream) + _IO_FILE *stream; +{ + _IO_setvbuf (stream, NULL, 1, 0); +} diff --git a/contrib/libio/stdio/snprintf.c b/contrib/libio/stdio/snprintf.c new file mode 100644 index 0000000..5c70a44 --- /dev/null +++ b/contrib/libio/stdio/snprintf.c @@ -0,0 +1,51 @@ +/* +Copyright (C) 1994 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +#ifdef __STDC__ +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +snprintf +#ifdef __STDC__ + (char *string, _IO_size_t maxlen, const char *format, ...) +#else +(string, maxlen, format, va_alist) + char *string; + _IO_size_t maxlen; + char *format; + va_dcl +#endif +{ + int ret; + va_list args; + _IO_va_start(args, format); + ret = vsnprintf(string, maxlen, format, args); + va_end(args); + return ret; +} diff --git a/contrib/libio/stdio/stdio.h b/contrib/libio/stdio/stdio.h new file mode 100644 index 0000000..30065ac --- /dev/null +++ b/contrib/libio/stdio/stdio.h @@ -0,0 +1,219 @@ +/* This is part of the iostream/stdio library, providing -*- C -*- I/O. + Define ANSI C stdio on top of C++ iostreams. + Copyright (C) 1991, 1994 Free Software Foundation + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public +License as published by the Free Software Foundation; either +version 2 of the License, or (at your option) any later version. + + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with this library; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +*/ + +/* + * ANSI Standard: 4.9 INPUT/OUTPUT <stdio.h> + */ + +#ifndef _STDIO_H +#define _STDIO_H +#define _STDIO_USES_IOSTREAM + +#include <libio.h> + +#ifndef NULL +#ifdef __cplusplus +#define NULL 0 +#else +#define NULL (void*)0 +#endif +#endif + +#ifndef EOF +#define EOF (-1) +#endif +#ifndef BUFSIZ +#define BUFSIZ 1024 +#endif + +#define _IOFBF 0 /* Fully buffered. */ +#define _IOLBF 1 /* Line buffered. */ +#define _IONBF 2 /* No buffering. */ + +#define SEEK_SET 0 +#define SEEK_CUR 1 +#define SEEK_END 2 + + /* define size_t. Crud in case <sys/types.h> has defined it. */ +#if !defined(_SIZE_T) && !defined(_T_SIZE_) && !defined(_T_SIZE) +#if !defined(__SIZE_T) && !defined(_SIZE_T_) && !defined(___int_size_t_h) +#if !defined(_GCC_SIZE_T) && !defined(_SIZET_) +#define _SIZE_T +#define _T_SIZE_ +#define _T_SIZE +#define __SIZE_T +#define _SIZE_T_ +#define ___int_size_t_h +#define _GCC_SIZE_T +#define _SIZET_ +typedef _IO_size_t size_t; +#endif +#endif +#endif + +typedef struct _IO_FILE FILE; +typedef _IO_fpos_t fpos_t; + +#define FOPEN_MAX _G_FOPEN_MAX +#define FILENAME_MAX _G_FILENAME_MAX +#ifndef TMP_MAX +#define TMP_MAX 999 /* Only limited by filename length */ +#endif + +#define L_ctermid 9 +#define L_cuserid 9 +#define P_tmpdir "/tmp" +#define L_tmpnam 20 + +/* For use by debuggers. These are linked in if printf or fprintf are used. */ +extern FILE *stdin, *stdout, *stderr; /* TODO */ + +#define stdin _IO_stdin +#define stdout _IO_stdout +#define stderr _IO_stderr + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef __P +#if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus) +#define __P(args) args +#else +#define __P(args) () +#endif +#endif /*!__P*/ + +extern void clearerr __P((FILE*)); +extern int fclose __P((FILE*)); +extern int feof __P((FILE*)); +extern int ferror __P((FILE*)); +extern int fflush __P((FILE*)); +extern int fgetc __P((FILE *)); +extern int fgetpos __P((FILE* fp, fpos_t *pos)); +extern char* fgets __P((char*, int, FILE*)); +extern FILE* fopen __P((const char*, const char*)); +extern int fprintf __P((FILE*, const char* format, ...)); +extern int fputc __P((int, FILE*)); +extern int fputs __P((const char *str, FILE *fp)); +extern size_t fread __P((void*, size_t, size_t, FILE*)); +extern FILE* freopen __P((const char*, const char*, FILE*)); +extern int fscanf __P((FILE *fp, const char* format, ...)); +extern int fseek __P((FILE* fp, long int offset, int whence)); +extern int fsetpos __P((FILE* fp, const fpos_t *pos)); +extern long int ftell __P((FILE* fp)); +extern size_t fwrite __P((const void*, size_t, size_t, FILE*)); +extern int getc __P((FILE *)); +extern int getchar __P((void)); +extern char* gets __P((char*)); +extern void perror __P((const char *)); +extern int printf __P((const char* format, ...)); +extern int putc __P((int, FILE *)); +extern int putchar __P((int)); +extern int puts __P((const char *str)); +extern int remove __P((const char*)); +extern int rename __P((const char* _old, const char* _new)); +extern void rewind __P((FILE*)); +extern int scanf __P((const char* format, ...)); +extern void setbuf __P((FILE*, char*)); +extern void setlinebuf __P((FILE*)); +extern void setbuffer __P((FILE*, char*, int)); +extern int setvbuf __P((FILE*, char*, int mode, size_t size)); +extern int sprintf __P((char*, const char* format, ...)); +extern int sscanf __P((const char* string, const char* format, ...)); +extern FILE* tmpfile __P((void)); +extern char* tmpnam __P((char*)); +extern int ungetc __P((int c, FILE* fp)); +extern int vfprintf __P((FILE *fp, char const *fmt0, _IO_va_list)); +extern int vprintf __P((char const *fmt, _IO_va_list)); +extern int vsprintf __P((char* string, const char* format, _IO_va_list)); + +#ifndef __STRICT_ANSI__ +extern int vfscanf __P((FILE*, const char *, _IO_va_list)); +extern int vscanf __P((const char *, _IO_va_list)); +extern int vsscanf __P((const char *, const char *, _IO_va_list)); +#endif + +#if !defined(__STRICT_ANSI__) || defined(_POSIX_SOURCE) +extern FILE *fdopen __P((int, const char *)); +extern int fileno __P((FILE*)); +extern FILE* popen __P((const char*, const char*)); +extern int pclose __P((FILE*)); +#endif + +#ifdef __USE_GNU +extern _IO_ssize_t getdelim __P ((char **, size_t *, int, FILE*)); +extern _IO_ssize_t getline __P ((char **, size_t *, FILE *)); + +extern int snprintf __P ((char *, size_t, const char *, ...)); +extern int vsnprintf __P ((char *, size_t, const char *, _IO_va_list)); +#endif + +extern int __underflow __P((struct _IO_FILE*)); +extern int __overflow __P((struct _IO_FILE*, int)); + +/* Handle locking of streams. */ +#if defined _REENTRANT || defined _THREAD_SAFE +extern void clearerr_locked __P ((FILE *)); +extern void clearerr_unlocked __P ((FILE *)); +extern int feof_locked __P ((FILE *)); +extern int feof_unlocked __P ((FILE *)); +extern int ferror_locked __P ((FILE*)); +extern int ferror_unlocked __P ((FILE*)); +extern int fileno_locked __P ((FILE *)); +extern int fileno_unlocked __P ((FILE *)); +extern void flockfile __P ((FILE *)); +extern void funlockfile __P ((FILE *)); +extern int ftrylockfile __P ((FILE *)); +extern int fclose_unlocked __P ((FILE *)); +extern int fflush_locked __P ((FILE *)); +extern int fflush_unlocked __P ((FILE *)); +extern size_t fread_unlocked __P ((void *, size_t, size_t, FILE *)); +extern size_t fwrite_unlocked __P ((const void *, size_t, size_t, FILE *)); + +extern int fputc_locked __P ((int, FILE*)); +extern int fputc_unlocked __P ((int, FILE*)); +extern int getc_locked __P ((FILE *)); +extern int getc_unlocked __P ((FILE *)); +extern int getchar_locked __P ((void)); +extern int getchar_unlocked __P ((void)); +extern int putc_locked __P ((int, FILE *)); +extern int putc_unlocked __P ((int, FILE *)); +extern int putchar_locked __P ((int)); +extern int putchar_unlocked __P ((int)); + +# define getc_unlocked(fp) _IO_getc_unlocked (fp) +# define getc_locked(fp) _IO_getc (fp) +# define getchar_unlocked() _IO_getc_unlocked (stdin) +# define getchar_locked() _IO_getc (stdin) +# define putchar_unlocked(c) _IO_putc_unlocked (c, stdout) +# define putchar_locked(c) _IO_putc (c, stdout) +#endif /* __USE_REENTRANT */ + +#define getc(fp) _IO_getc(fp) +#define putc(c, fp) _IO_putc(c, fp) +#define putchar(c) _IO_putc(c, stdout) +#define getchar() _IO_getc(stdin) + +#ifdef __cplusplus +} +#endif + +#endif /*!_STDIO_H*/ diff --git a/contrib/libio/stdio/vasprintf.c b/contrib/libio/stdio/vasprintf.c new file mode 100644 index 0000000..15513d0 --- /dev/null +++ b/contrib/libio/stdio/vasprintf.c @@ -0,0 +1,72 @@ +/* Copyright (C) 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <malloc.h> +#include "libioP.h" +#include "stdio.h" +#include "strfile.h" + +int +_IO_vasprintf (result_ptr, format, args) + char **result_ptr; + const char *format; + _IO_va_list args; +{ + /* Initial size of the buffer to be used. Will be doubled each time an + overflow occurs. */ + const _IO_size_t init_string_size = 100; + char *string; + _IO_strfile sf; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + int ret; + string = (char *) malloc (init_string_size); + if (string == NULL) + return -1; +#ifdef _IO_MTSAFE_IO + sf._sbf._f._lock = &lock; +#endif + _IO_init ((_IO_FILE *) &sf, 0); + _IO_JUMPS ((_IO_FILE *) &sf) = &_IO_str_jumps; + _IO_str_init_static ((_IO_FILE *) &sf, string, init_string_size, string); + sf._sbf._f._flags &= ~_IO_USER_BUF; + sf._s._allocate_buffer = (_IO_alloc_type) malloc; + sf._s._free_buffer = (_IO_free_type) free; + ret = _IO_vfprintf ((_IO_FILE *) &sf, format, args); + if (ret < 0) + return ret; + *result_ptr = (char *) realloc (sf._sbf._f._IO_buf_base, + (sf._sbf._f._IO_write_ptr + - sf._sbf._f._IO_write_base) +1); + if (*result_ptr == NULL) + *result_ptr = sf._sbf._f._IO_buf_base; + (*result_ptr)[sf._sbf._f._IO_write_ptr-sf._sbf._f._IO_write_base] = '\0'; + return ret; +} + +#ifdef weak_alias +weak_alias (_IO_vasprintf, vasprintf) +#endif diff --git a/contrib/libio/stdio/vfprintf.c b/contrib/libio/stdio/vfprintf.c new file mode 100644 index 0000000..fca6209 --- /dev/null +++ b/contrib/libio/stdio/vfprintf.c @@ -0,0 +1,35 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" + +int +vfprintf(fp, format, args) + register _IO_FILE* fp; + char const *format; + _IO_va_list args; +{ + CHECK_FILE(fp, -1); + return _IO_vfprintf(fp, format, args); +} diff --git a/contrib/libio/stdio/vfscanf.c b/contrib/libio/stdio/vfscanf.c new file mode 100644 index 0000000..1759ee5 --- /dev/null +++ b/contrib/libio/stdio/vfscanf.c @@ -0,0 +1,36 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int +vfscanf(fp, format, args) + register _IO_FILE* fp; + const char *format; + _IO_va_list args; +{ + CHECK_FILE(fp, EOF); + return _IO_vfscanf(fp, format, args, NULL); +} diff --git a/contrib/libio/stdio/vprintf.c b/contrib/libio/stdio/vprintf.c new file mode 100644 index 0000000..784f0d9 --- /dev/null +++ b/contrib/libio/stdio/vprintf.c @@ -0,0 +1,33 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +int vprintf(format, args) + const char* format; + _IO_va_list args; +{ + return _IO_vfprintf(_IO_stdout, format, args); +} diff --git a/contrib/libio/stdio/vscanf.c b/contrib/libio/stdio/vscanf.c new file mode 100644 index 0000000..8b92ae2 --- /dev/null +++ b/contrib/libio/stdio/vscanf.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1993, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "stdio.h" + +#undef vscanf + +int +_IO_vscanf (format, args) + const char *format; + _IO_va_list args; +{ + return _IO_vfscanf (_IO_stdin, format, args, NULL); +} + +#ifdef weak_alias +weak_alias (_IO_vscanf, vscanf) +#endif diff --git a/contrib/libio/stdio/vsnprintf.c b/contrib/libio/stdio/vsnprintf.c new file mode 100644 index 0000000..3f35af2 --- /dev/null +++ b/contrib/libio/stdio/vsnprintf.c @@ -0,0 +1,136 @@ +/* Copyright (C) 1994, 1997 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#include "strfile.h" + + +typedef struct +{ + _IO_strfile f; + /* This is used for the characters which do not fit in the buffer + provided by the user. */ + char overflow_buf[64]; +} _IO_strnfile; + + +static int _IO_strn_overflow __P ((_IO_FILE *fp, int c)); + +static int +_IO_strn_overflow (fp, c) + _IO_FILE *fp; + int c; +{ + /* When we come to here this means the user supplied buffer is + filled. But since we must return the number of characters which + would have been written in total we must provide a buffer for + further use. We can do this by writing on and on in the overflow + buffer in the _IO_strnfile structure. */ + _IO_strnfile *snf = (_IO_strnfile *) fp; + + if (fp->_IO_buf_base != snf->overflow_buf) + { + /* Terminate the string. We know that there is room for at + least one more character since we initialized the stream with + a size to make this possible. */ + *fp->_IO_write_ptr = '\0'; + + _IO_setb (fp, snf->overflow_buf, + snf->overflow_buf + sizeof (snf->overflow_buf), 0); + + fp->_IO_write_base = snf->overflow_buf; + fp->_IO_read_base = snf->overflow_buf; + fp->_IO_read_ptr = snf->overflow_buf; + fp->_IO_read_end = snf->overflow_buf + sizeof (snf->overflow_buf); + } + + fp->_IO_write_ptr = snf->overflow_buf; + fp->_IO_write_end = snf->overflow_buf; + + /* Since we are not really interested in storing the characters + which do not fit in the buffer we simply ignore it. */ + return c; +} + + +static struct _IO_jump_t _IO_strn_jumps = +{ + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_str_finish), + JUMP_INIT(overflow, _IO_strn_overflow), + JUMP_INIT(underflow, _IO_str_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_str_pbackfail), + JUMP_INIT(xsputn, _IO_default_xsputn), + JUMP_INIT(xsgetn, _IO_default_xsgetn), + JUMP_INIT(seekoff, _IO_str_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, _IO_default_setbuf), + JUMP_INIT(sync, _IO_default_sync), + JUMP_INIT(doallocate, _IO_default_doallocate), + JUMP_INIT(read, _IO_default_read), + JUMP_INIT(write, _IO_default_write), + JUMP_INIT(seek, _IO_default_seek), + JUMP_INIT(close, _IO_default_close), + JUMP_INIT(stat, _IO_default_stat) +}; + + +int +_IO_vsnprintf (string, maxlen, format, args) + char *string; + _IO_size_t maxlen; + const char *format; + _IO_va_list args; +{ + _IO_strnfile sf; + int ret; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; + sf.f._sbf._f._lock = &lock; +#endif + + /* We need to handle the special case where MAXLEN is 0. Use the + overflow buffer right from the start. */ + if (maxlen == 0) + { + string = sf.overflow_buf; + maxlen = sizeof (sf.overflow_buf); + } + + _IO_init ((_IO_FILE *) &sf, 0); + _IO_JUMPS ((_IO_FILE *) &sf) = &_IO_strn_jumps; + _IO_str_init_static ((_IO_FILE *) &sf, string, maxlen - 1, string); + ret = _IO_vfprintf ((_IO_FILE *) &sf, format, args); + + if (sf.f._sbf._f._IO_buf_base != sf.overflow_buf) + *sf.f._sbf._f._IO_write_ptr = '\0'; + return ret; +} + +#ifdef weak_alias +weak_alias (_IO_vsnprintf, __vsnprintf) +weak_alias (_IO_vsnprintf, vsnprintf) +#endif diff --git a/contrib/libio/stdiostream.cc b/contrib/libio/stdiostream.cc new file mode 100644 index 0000000..bc9bef0 --- /dev/null +++ b/contrib/libio/stdiostream.cc @@ -0,0 +1,159 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif + +#include <stdiostream.h> +#include "libioP.h" + +// A stdiobuf is "tied" to a FILE object (as used by the stdio package). +// Thus a stdiobuf is always synchronized with the corresponding FILE, +// though at the cost of some overhead. (If you use the implementation +// of stdio supplied with this library, you don't need stdiobufs.) +// This implementation inherits from filebuf, but implement the virtual +// functions sys_read/..., using the stdio functions fread/... instead +// of the low-level read/... system calls. This has the advantage that +// we get all of the nice filebuf semantics automatically, though +// with some overhead. + + +#ifndef SEEK_SET +#define SEEK_SET 0 +#endif +#ifndef SEEK_CUR +#define SEEK_CUR 1 +#endif +#ifndef SEEK_END +#define SEEK_END 2 +#endif + +stdiobuf::stdiobuf(FILE *f) : filebuf(fileno(f)) +{ + _file = f; + // Turn off buffer in stdiobuf. Instead, rely on buffering in (FILE). + // Thus the stdiobuf will be synchronized with the FILE. + setbuf(NULL, 0); +} + +stdiobuf::~stdiobuf() +{ + /* Only needed if we're buffered. Not buffered is the default. */ + _IO_do_flush((_IO_FILE*)this); +} + +streamsize stdiobuf::sys_read(char* buf, streamsize size) +{ + // A minor optimization, but it makes a noticable difference. + // A bigger optimization would be to write stdiobuf::underflow, + // but that has some modularity disadvantages. Re-evaluate that + // after we have gotten rid of the double indirection. FIXME + if (size == 1) + { + register int ch = getc(_file); + if (ch == EOF) + return 0; + *buf = (char)ch; + return 1; + } + else + return fread(buf, 1, size, _file); +} + +streamsize stdiobuf::sys_write(const char *buf, streamsize n) +{ + _IO_ssize_t count = fwrite(buf, 1, n, _file); + if (_offset >= 0) + _offset += n; + return count; +} + +streampos stdiobuf::sys_seek(streamoff offset, _seek_dir dir) +{ + // Normally, equivalent to: fdir=dir + int fdir = + (dir == ios::beg) ? SEEK_SET : + (dir == ios::cur) ? SEEK_CUR : + (dir == ios::end) ? SEEK_END : + dir; + return fseek(_file, offset, fdir); +} + +int stdiobuf::sys_close() +{ + int status = fclose(_file); + _file = NULL; + return status; +} + +int stdiobuf::sync() +{ + if (_IO_do_flush((_IO_FILE*)this)) + return EOF; + if (!(xflags() & _IO_NO_WRITES)) + if (fflush(_file)) + return EOF; + return 0; +} + +int stdiobuf::overflow(int c /* = EOF*/) +{ + if (filebuf::overflow(c) == EOF) + return EOF; + if (c != EOF) + return c; + return fflush(_file); +} + +streamsize stdiobuf::xsputn(const char* s, streamsize n) +{ + if (buffered ()) + { + // The filebuf implementation of sputn loses. + return streambuf::xsputn(s, n); + } + else + return fwrite (s, 1, n, _file); +} + +void stdiobuf::buffered (int b) +{ + if (b) + { + if (_flags & _IO_UNBUFFERED) + { /* Was unbuffered, make it buffered. */ + _flags &= ~_IO_UNBUFFERED; + } + } + else + { + if (!(_flags & _IO_UNBUFFERED)) + { /* Was buffered, make it unbuffered. */ + setbuf(NULL, 0); + } + } +} diff --git a/contrib/libio/stdiostream.h b/contrib/libio/stdiostream.h new file mode 100644 index 0000000..b973d7a --- /dev/null +++ b/contrib/libio/stdiostream.h @@ -0,0 +1,79 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef _STDIOSTREAM_H +#define _STDIOSTREAM_H + +#ifdef __GNUG__ +#pragma interface +#endif + +#include <iostream.h> +#include <stdio.h> + +extern "C++" { +class stdiobuf : public filebuf { + protected: + FILE *_file; + public: + FILE* stdiofile() const { return _file; } + stdiobuf(FILE *); + ~stdiobuf(); + int buffered () const { return _flags & _IO_UNBUFFERED ? 0 : 1; } + void buffered (int); + virtual streamsize sys_read(char*, streamsize); + virtual streampos sys_seek(streamoff, _seek_dir); + virtual streamsize sys_write(const char*, streamsize); + virtual int sys_close(); + virtual int sync(); + virtual int overflow(int c = EOF); + streamsize xsputn(const char* s, streamsize n); +}; + +class istdiostream : public istream +{ +private: + stdiobuf _file; +public: + istdiostream (FILE* __f) : istream(), _file(__f) { init(&_file); } + stdiobuf* rdbuf()/* const */ { return &_file; } + int buffered () const { return _file.buffered (); } + void buffered (int _i) { _file.buffered (_i); } +}; + +class ostdiostream : public ostream +{ +private: + stdiobuf _file; +public: + ostdiostream (FILE* __f) : ostream(), _file(__f) { init(&_file); } + stdiobuf* rdbuf() /* const */ { return &_file; } + int buffered () const { return _file.buffered (); } + void buffered (int _i) { _file.buffered (_i); } +}; +} // extern "C++" + +#endif /* !_STDIOSTREAM_H */ diff --git a/contrib/libio/stdstrbufs.cc b/contrib/libio/stdstrbufs.cc new file mode 100644 index 0000000..48aa719 --- /dev/null +++ b/contrib/libio/stdstrbufs.cc @@ -0,0 +1,126 @@ +/* +Copyright (C) 1994 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + + +/* This file provides definitions of _IO_stdin, _IO_stdout, and _IO_stderr + for C++ code. Compare stdfiles.c. + (The difference is that here the vtable field is set to + point to builtinbuf's vtable, so the objects are effectively + of class builtinbuf.) */ + +#include "libioP.h" +#include <stdio.h> + +#if !defined(filebuf_vtable) && defined(__cplusplus) +#ifdef __GNUC__ +extern char filebuf_vtable[] + asm (_G_VTABLE_LABEL_PREFIX +#if _G_VTABLE_LABEL_HAS_LENGTH + "7" +#endif + "filebuf"); +#else /* !__GNUC__ */ +#if _G_VTABLE_LABEL_HAS_LENGTH +#define filebuf_vtable _G_VTABLE_LABEL_PREFIX_ID##7filebuf +#else +#define filebuf_vtable _G_VTABLE_LABEL_PREFIX_ID##filebuf +#endif +extern char filebuf_vtable[]; +#endif /* !__GNUC__ */ +#endif /* !defined(filebuf_vtable) && defined(__cplusplus) */ + +#ifndef STD_VTABLE +#define STD_VTABLE (const struct _IO_jump_t *)filebuf_vtable +#endif + +#ifdef _IO_MTSAFE_IO +#define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ + static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ + struct _IO_FILE_plus NAME \ + = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), STD_VTABLE} +#else +#define DEF_STDFILE(NAME, FD, CHAIN, FLAGS) \ + struct _IO_FILE_plus NAME = {FILEBUF_LITERAL(CHAIN, FLAGS, FD), STD_VTABLE} +#endif + +DEF_STDFILE(_IO_stdin_, 0, 0, _IO_NO_WRITES); +DEF_STDFILE(_IO_stdout_, 1, &_IO_stdin_.file, _IO_NO_READS); +DEF_STDFILE(_IO_stderr_, 2, &_IO_stdout_.file, + _IO_NO_READS+_IO_UNBUFFERED); + +#ifdef _STDIO_USES_IOSTREAM +_IO_FILE *_IO_list_all = &_IO_stderr_.file; +#else /* !_STDIO_USES_IOSTREAM */ +#include "stdiostream.h" + +struct _IO_fake_stdiobuf { + struct { + _IO_FILE file; + const void *vtable; + } s; + FILE *stdio_file; +}; + +/* Define stdiobuf_vtable as a name for the virtual function table + of the stdiobuf class. */ +#ifndef stdiobuf_vtable +#ifdef __GNUC__ +extern struct _IO_jump_t stdiobuf_vtable + asm (_G_VTABLE_LABEL_PREFIX +#if _G_VTABLE_LABEL_HAS_LENGTH + "8" +#endif + "stdiobuf"); +#else /* !__GNUC__ */ +#if _G_VTABLE_LABEL_HAS_LENGTH +#define stdiobuf_vtable _G_VTABLE_LABEL_PREFIX_ID##8stdiobuf +#else +#define stdiobuf_vtable _G_VTABLE_LABEL_PREFIX_ID##stdiobuf +#endif +extern struct _IO_jump_t stdiobuf_vtable; +#endif /* !__GNUC__ */ +#endif /* !stdiobuf_vtable */ + +#ifdef _IO_MTSAFE_IO +#define DEF_STDIOFILE(NAME, FD, FILE, FLAGS, CHAIN) \ + static _IO_lock_t _IO_stdfile_##FD##_lock = _IO_lock_initializer; \ + struct _IO_fake_stdiobuf NAME = \ + {{{ _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+_IO_UNBUFFERED+FLAGS, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, FD, \ + 0, 0, 0, 0, { 0 }, _IO_stdfile_##FD##_lock},\ + &stdiobuf_vtable}, FILE} +#else +#define DEF_STDIOFILE(NAME, FD, FILE, FLAGS, CHAIN) \ + struct _IO_fake_stdiobuf NAME = \ + {{{ _IO_MAGIC+_IO_LINKED+_IO_IS_FILEBUF+_IO_UNBUFFERED+FLAGS, \ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, CHAIN, FD}, \ + &stdiobuf_vtable}, FILE} +#endif + +DEF_STDIOFILE(_IO_stdin_buf, 0, stdin, _IO_NO_WRITES, &_IO_stderr_.file); +DEF_STDIOFILE(_IO_stdout_buf, 1, stdout, _IO_NO_READS, &_IO_stdin_buf.s.file); +DEF_STDIOFILE(_IO_stderr_buf, 2, stderr, _IO_NO_READS, &_IO_stdout_buf.s.file); + +_IO_FILE *_IO_list_all = &_IO_stderr_buf.s.file; +#endif /* !_STDIO_USES_IOSTREAM */ diff --git a/contrib/libio/stdstreams.cc b/contrib/libio/stdstreams.cc new file mode 100644 index 0000000..a5889d7 --- /dev/null +++ b/contrib/libio/stdstreams.cc @@ -0,0 +1,153 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#include "libioP.h" +#include "streambuf.h" +#include <stdio.h> + +// The ANSI draft requires that operations on cin/cout/cerr can be +// mixed with operations on stdin/stdout/stderr on a character by +// character basis. This normally requires that the streambuf's +// used by cin/cout/cerr be stdiostreams. However, if the stdio +// implementation is the one that is built using this library, +// then we don't need to, since in that case stdin/stdout/stderr +// are identical to _IO_stdin/_IO_stdout/_IO_stderr. + +#include "libio.h" + +#ifdef _STDIO_USES_IOSTREAM +#define CIN_SBUF _IO_stdin_ +#define COUT_SBUF _IO_stdout_ +#define CERR_SBUF _IO_stderr_ +static int use_stdiobuf = 0; +#else +#define CIN_SBUF _IO_stdin_buf +#define COUT_SBUF _IO_stdout_buf +#define CERR_SBUF _IO_stderr_buf +static int use_stdiobuf = 1; +#endif + +#define cin CIN +#define cout COUT +#define cerr CERR +#define clog CLOG +#include "iostream.h" +#undef cin +#undef cout +#undef cerr +#undef clog + +#ifdef __GNUG__ +#define PAD 0 /* g++ allows 0-length arrays. */ +#else +#define PAD 1 +#endif +struct _fake_istream { + struct myfields { +#ifdef __GNUC__ + _ios_fields *vb; /* pointer to virtual base class ios */ + _IO_ssize_t _gcount; +#else + /* This is supposedly correct for cfront. */ + _IO_ssize_t _gcount; + void *vptr; + _ios_fields *vb; /* pointer to virtual base class ios */ +#endif + } mine; + _ios_fields base; + char filler[sizeof(struct istream)-sizeof(struct _ios_fields)+PAD]; +}; +struct _fake_ostream { + struct myfields { +#ifndef __GNUC__ + void *vptr; +#endif + _ios_fields *vb; /* pointer to virtual base class ios */ + } mine; + _ios_fields base; + char filler[sizeof(struct ostream)-sizeof(struct _ios_fields)+PAD]; +}; + + +#ifdef _IO_NEW_STREAMS +#define STD_STR(SBUF, TIE, EXTRA_FLAGS) \ + (streambuf*)&SBUF, TIE, 0, ios::skipws|ios::dec|EXTRA_FLAGS, ' ',0,0,6 +#else +#define STD_STR(SBUF, TIE, EXTRA_FLAGS) \ + (streambuf*)&SBUF, TIE, 0, ios::dont_close|ios::dec|ios::skipws|EXTRA_FLAGS, ' ',0,0,6 +#endif + +#ifdef __GNUC__ +#define OSTREAM_DEF(NAME, SBUF, TIE, EXTRA_FLAGS, ASM) \ + _fake_ostream NAME ASM = { {&NAME.base}, {STD_STR(SBUF, TIE, EXTRA_FLAGS) }}; +#define ISTREAM_DEF(NAME, SBUF, TIE, EXTRA_FLAGS) \ + _fake_istream NAME = { {&NAME.base}, {STD_STR(SBUF, TIE, EXTRA_FLAGS) }}; +#else +#define OSTREAM_DEF(NAME, SBUF, TIE, EXTRA_FLAGS) \ + _fake_ostream NAME = { {0, &NAME.base}, {STD_STR(SBUF, TIE, EXTRA_FLAGS) }}; +#define ISTREAM_DEF(NAME, SBUF, TIE, EXTRA_FLAGS) \ + _fake_istream NAME = {{0, 0, &NAME.base}, {STD_STR(SBUF, TIE, EXTRA_FLAGS)}}; +#endif + +OSTREAM_DEF(cout, COUT_SBUF, NULL, 0, ) +OSTREAM_DEF(cerr, CERR_SBUF,(ostream*)&cout, ios::unitbuf, ) +ISTREAM_DEF(cin, CIN_SBUF, (ostream*)&cout, 0) + +/* Only for (partial) compatibility with AT&T's library. */ +#if _G_CLOG_CONFLICT +OSTREAM_DEF(clog, CERR_SBUF, (ostream*)&cout, 0, __asm__ ("__IO_clog")) +#else +OSTREAM_DEF(clog, CERR_SBUF, (ostream*)&cout, 0, ) +#endif + +// Switches between using _IO_std{in,out,err} and __std{in,out,err}_buf +// for standard streams. This does not normally need to be called +// explicitly, but is provided for AT&T compatibility. + +int ios::sync_with_stdio(int new_state) +{ +#ifdef _STDIO_USES_IOSTREAM + // It is always synced. + return 0; +#else + if (new_state == use_stdiobuf) // The usual case now. + return use_stdiobuf; + if (new_state) { + cin.base._strbuf = (streambuf*)&_IO_stdin_buf; + cout.base._strbuf = (streambuf*)&_IO_stdout_buf; + cerr.base._strbuf = (streambuf*)&_IO_stderr_buf; + clog.base._strbuf = (streambuf*)&_IO_stderr_buf; + } else { + cin.base._strbuf = (streambuf*)_IO_stdin; + cout.base._strbuf = (streambuf*)_IO_stdout; + cerr.base._strbuf = (streambuf*)_IO_stderr; + clog.base._strbuf = (streambuf*)_IO_stderr; + } + int old_state = use_stdiobuf; + use_stdiobuf = new_state; + return old_state; +#endif +} diff --git a/contrib/libio/stream.cc b/contrib/libio/stream.cc new file mode 100644 index 0000000..3440a0c --- /dev/null +++ b/contrib/libio/stream.cc @@ -0,0 +1,170 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <stdarg.h> +#include <string.h> +#include "libioP.h" +#include "stream.h" +#include "strstream.h" + +static char Buffer[_IO_BUFSIZ]; +#define EndBuffer (Buffer+_IO_BUFSIZ) +static char* next_chunk = Buffer; // Start of available part of Buffer. + +char* form(const char* format, ...) +{ + int space_left = EndBuffer - next_chunk; + // If less that 25% of the space is available start over. + if (space_left < (_IO_BUFSIZ>>2)) + next_chunk = Buffer; + char* buf = next_chunk; + + strstreambuf stream(buf, EndBuffer-buf-1, buf); + va_list ap; + va_start(ap, format); + int count = stream.vform(format, ap); + va_end(ap); + stream.sputc(0); + next_chunk = buf + stream.pcount(); + return buf; +} + +#define u_long unsigned long + +static char* itoa(unsigned long i, int size, int neg, int base) +{ + // Conservative estimate: If base==2, might need 8 characters + // for each input byte, but normally 3 is plenty. + int needed = size ? size + : (base >= 8 ? 3 : 8) * sizeof(unsigned long) + 2; + int space_left = EndBuffer - next_chunk; + if (space_left <= needed) + next_chunk = Buffer; // start over. + + char* buf = next_chunk; + + register char* ptr = buf+needed+1; + next_chunk = ptr; + + if (needed < (2+neg) || ptr > EndBuffer) + return NULL; + *--ptr = 0; + + if (i == 0) + *--ptr = '0'; + while (i != 0 && ptr > buf) { + int ch = i % base; + i = i / base; + if (ch >= 10) + ch += 'a' - 10; + else + ch += '0'; + *--ptr = ch; + } + if (neg) + *--ptr = '-'; + if (size == 0) + return ptr; + while (ptr > buf) + *--ptr = ' '; + return buf; +} + +char* dec(long i, int len /* = 0 */) +{ + if (i >= 0) return itoa((unsigned long)i, len, 0, 10); + else return itoa((unsigned long)(-i), len, 1, 10); +} +char* dec(int i, int len /* = 0 */) +{ + if (i >= 0) return itoa((unsigned long)i, len, 0, 10); + else return itoa((unsigned long)(-i), len, 1, 10); +} +char* dec(unsigned long i, int len /* = 0 */) +{ + return itoa(i, len, 0, 10); +} +char* dec(unsigned int i, int len /* = 0 */) +{ + return itoa(i, len, 0, 10); +} + +char* hex(long i, int len /* = 0 */) +{ + return itoa((unsigned long)i, len, 0, 16); +} +char* hex(int i, int len /* = 0 */) +{ + return itoa((unsigned long)i, len, 0, 16); +} +char* hex(unsigned long i, int len /* = 0 */) +{ + return itoa(i, len, 0, 16); +} +char* hex(unsigned int i, int len /* = 0 */) +{ + return itoa(i, len, 0, 16); +} + +char* oct(long i, int len /* = 0 */) +{ + return itoa((unsigned long)i, len, 0, 8); +} +char* oct(int i, int len /* = 0 */) +{ + return itoa((unsigned long)i, len, 0, 8); +} +char* oct(unsigned long i, int len /* = 0 */) +{ + return itoa(i, len, 0, 8); +} +char* oct(unsigned int i, int len /* = 0 */) +{ + return itoa(i, len, 0, 8); +} + +static char *str(const char* s, int len, int width) +{ + if (width < len) + width = len; + int space_left = EndBuffer - next_chunk; + if (space_left <= width + 1) + next_chunk = Buffer; // start over. + char* buf = next_chunk; + memset (buf, ' ', width - len); + memcpy (buf + width - len, s, len); + buf[width] = 0; + return buf; +} + +char* str(const char* s, int width) +{ + return str (s, strlen (s), width); +} + +char* chr(char ch, int width) +{ + char c = ch; + return str (&c, 1, width); +} diff --git a/contrib/libio/stream.h b/contrib/libio/stream.h new file mode 100644 index 0000000..0859802 --- /dev/null +++ b/contrib/libio/stream.h @@ -0,0 +1,59 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _COMPAT_STREAM_H +#define _COMPAT_STREAM_H + +// Compatibility with old library. +// DO NOT USE THESE FUNCTIONS IN NEW CODE! +// They are obsolete, non-standard, and non-reentrant. + +#define _STREAM_COMPAT +#include <iostream.h> + +extern "C++" { +extern char* form(const char*, ...); + +extern char* dec(long, int=0); +extern char* dec(int, int=0); +extern char* dec(unsigned long, int=0); +extern char* dec(unsigned int, int=0); + +extern char* hex(long, int=0); +extern char* hex(int, int=0); +extern char* hex(unsigned long, int=0); +extern char* hex(unsigned int, int=0); + +extern char* oct(long, int=0); +extern char* oct(int, int=0); +extern char* oct(unsigned long, int=0); +extern char* oct(unsigned int, int=0); + +char* chr(char ch, int width = 0); +char* str(const char* s, int width = 0); + +inline istream& WS(istream& str) { return ws(str); } +} // extern "C++" + +#endif /* !_COMPAT_STREAM_H */ diff --git a/contrib/libio/streambuf.cc b/contrib/libio/streambuf.cc new file mode 100644 index 0000000..057d1e6 --- /dev/null +++ b/contrib/libio/streambuf.cc @@ -0,0 +1,364 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#define _STREAM_COMPAT +#ifdef __GNUG__ +#pragma implementation +#endif +#include "iostreamP.h" +#include <string.h> +#include <stdarg.h> +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +void streambuf::_un_link() { _IO_un_link(this); } + +void streambuf::_link_in() { _IO_link_in(this); } + +int streambuf::switch_to_get_mode() +{ return _IO_switch_to_get_mode(this); } + +void streambuf::free_backup_area() +{ _IO_free_backup_area(this); } + +#if 0 +int streambuf::switch_to_put_mode() +{ return _IO_:switch_to_put_mode(this); } +#endif + +int __overflow(streambuf* sb, int c) +{ + return sb->overflow(c); +} + +int streambuf::underflow() +{ return EOF; } + +int streambuf::uflow() +{ return _IO_default_uflow (this); } + +int streambuf::overflow(int /* = EOF */) +{ return EOF; } + +streamsize streambuf::xsputn(register const char* s, streamsize n) +{ return _IO_default_xsputn(this, s, n); } + +streamsize streambuf::xsgetn(char* s, streamsize n) +{ return _IO_default_xsgetn(this, s, n); } + +int streambuf::ignore(int n) +{ + register int more = n; + for (;;) { + int count = _IO_read_end - _IO_read_ptr; // Data available. + if (count > 0) { + if (count > more) + count = more; + _IO_read_ptr += count; + more -= count; + } + if (more == 0 || __underflow(this) == EOF) + break; + } + return n - more; +} + +int streambuf::sync() +{ + return 0; +} + +int streambuf::pbackfail(int c) +{ + return _IO_default_pbackfail(this, c); +} + +streambuf* streambuf::setbuf(char* p, int len) +{ + if (sync() == EOF) + return NULL; + if (p == NULL || len == 0) { + unbuffered(1); + setb(_shortbuf, _shortbuf+1, 0); + } + else { + unbuffered(0); + setb(p, p+len, 0); + } + setp(0, 0); + setg(0, 0, 0); + return this; +} + +streampos streambuf::seekpos(streampos pos, int mode) +{ + return seekoff(pos, ios::beg, mode); +} + +streampos streambuf::sseekpos(streampos pos, int mode) +{ + return _IO_seekpos (this, pos, mode); +} + +void streambuf::setb(char* b, char* eb, int a) +{ _IO_setb(this, b, eb, a); } + +int streambuf::doallocate() { return _IO_default_doallocate(this); } + +void streambuf::doallocbuf() { _IO_doallocbuf(this); } + +#if !_IO_UNIFIED_JUMPTABLES +/* The following are jump table entries that just call the virtual method */ + +static int _IO_sb_overflow(_IO_FILE *fp, int c) +{ return ((streambuf*)fp)->overflow(c); } +static int _IO_sb_underflow(_IO_FILE *fp) +{ return ((streambuf*)fp)->underflow(); } +static _IO_size_t _IO_sb_xsputn(_IO_FILE *fp, const void *s, _IO_size_t n) +{ return ((streambuf*)fp)->xsputn((const char*)s, n); } +static _IO_size_t _IO_sb_xsgetn(_IO_FILE *fp, void *s, _IO_size_t n) +{ return ((streambuf*)fp)->xsgetn((char*)s, n); } +static int _IO_sb_close(_IO_FILE *fp) +{ return ((streambuf*)fp)->sys_close(); } +static int _IO_sb_stat(_IO_FILE *fp, void *b) +{ return ((streambuf*)fp)->sys_stat(b); } +static int _IO_sb_doallocate(_IO_FILE *fp) +{ return ((streambuf*)fp)->doallocate(); } + +static _IO_pos_t _IO_sb_seekoff(_IO_FILE *fp, _IO_off_t pos, int dir, int mode) +{ + return ((streambuf*)fp)->seekoff(pos, (ios::seek_dir)dir, mode); +} + +static _IO_pos_t _IO_sb_seekpos(_IO_FILE *fp, _IO_pos_t pos, int mode) +{ + return ((streambuf*)fp)->seekpos(pos, mode); +} + +static int _IO_sb_pbackfail(_IO_FILE *fp, int ch) +{ return ((streambuf*)fp)->pbackfail(ch); } +static void _IO_sb_finish(_IO_FILE *fp, int) +{ ((streambuf*)fp)->~streambuf(); } +static _IO_ssize_t _IO_sb_read(_IO_FILE *fp, void *buf, _IO_ssize_t n) +{ return ((streambuf*)fp)->sys_read((char*)buf, n); } +static _IO_ssize_t _IO_sb_write(_IO_FILE *fp, const void *buf, _IO_ssize_t n) +{ return ((streambuf*)fp)->sys_write((const char*)buf, n); } +static int _IO_sb_sync(_IO_FILE *fp) +{ return ((streambuf*)fp)->sync(); } +static _IO_pos_t _IO_sb_seek(_IO_FILE *fp, _IO_off_t off, int dir) +{ return ((streambuf*)fp)->sys_seek(off, (_seek_dir)dir); } +static _IO_FILE* _IO_sb_setbuf(_IO_FILE *fp, char *buf, _IO_ssize_t n) +{ return ((streambuf*)fp)->setbuf(buf, n); } + +/* This callbacks in this jumptable just call the corresponding + virtual function, so that C functions can access (potentially user-defined) + streambuf-derived objects. + Contrast the builtinbuf class, which does the converse: Allow + C++ virtual calls to be used on _IO_FILE objects that are builtin + (or defined by C code). */ + + +struct _IO_jump_t _IO_streambuf_jumps = { + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_sb_finish), + JUMP_INIT(overflow, _IO_sb_overflow), + JUMP_INIT(underflow, _IO_sb_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_sb_pbackfail), + JUMP_INIT(xsputn, _IO_sb_xsputn), + JUMP_INIT(xsgetn, _IO_sb_xsgetn), + JUMP_INIT(seekoff, _IO_sb_seekoff), + JUMP_INIT(seekpos, _IO_sb_seekpos), + JUMP_INIT(setbuf, _IO_sb_setbuf), + JUMP_INIT(sync, _IO_sb_sync), + JUMP_INIT(doallocate, _IO_sb_doallocate), + JUMP_INIT(read, _IO_sb_read), + JUMP_INIT(write, _IO_sb_write), + JUMP_INIT(seek, _IO_sb_seek), + JUMP_INIT(close, _IO_sb_close), + JUMP_INIT(stat, _IO_sb_stat) +}; +#endif + +streambuf::streambuf(int flags) +{ +#ifdef _IO_MTSAFE_IO + _lock = new _IO_lock_t; +#endif + _IO_init(this, flags); +#if !_IO_UNIFIED_JUMPTABLES + _jumps = &_IO_streambuf_jumps; +#endif +} + +streambuf::~streambuf() +{ + _IO_default_finish(this,0); +#ifdef _IO_MTSAFE_IO + if (this != _IO_stdin && this != _IO_stdout && this != _IO_stderr) + delete _lock; +#endif +} + +streampos +streambuf::seekoff(streamoff, _seek_dir, int /*=ios::in|ios::out*/) +{ + return EOF; +} + +streampos +streambuf::sseekoff(streamoff o , _seek_dir d, int m /*=ios::in|ios::out*/) +{ + return _IO_seekoff (this, o, d, m); +} + +int streambuf::sputbackc(char c) +{ + return _IO_sputbackc(this, c); +} + +int streambuf::sungetc() +{ + return _IO_sungetc(this); +} + +#if 0 /* Work in progress */ +void streambuf::collumn(int c) +{ + if (c == -1) + _collumn = -1; + else + _collumn = c - (_IO_write_ptr - _IO_write_base); +} +#endif + + +int streambuf::get_column() +{ + if (_cur_column) + return _IO_adjust_column(_cur_column - 1, pbase(), pptr() - pbase()); + return -1; +} + +int streambuf::set_column(int i) +{ + _cur_column = i+1; + return 0; +} + +int streambuf::flush_all() { return _IO_flush_all (); } + +void streambuf::flush_all_linebuffered() +{ _IO_flush_all_linebuffered(); } + +int streambuf::sys_stat(void *) +{ +#ifdef EIO + errno = EIO; +#endif + return -1; +} + +streamsize streambuf::sys_read(char* /*buf*/, streamsize /*size*/) +{ + return 0; +} + +streamsize streambuf::sys_write(const char* /*buf*/, streamsize /*size*/) +{ + return 0; +} + +streampos streambuf::sys_seek(streamoff, _seek_dir) +{ + return EOF; +} + +int streambuf::sys_close() { return 0; /* Suceess; do nothing */ } + +#if _G_IO_IO_FILE_VERSION == 0x20001 +int streambuf::showmanyc() +{ + return -1; +} + +void streambuf::imbue(void *) +{ +} +#endif + +streammarker::streammarker(streambuf *sb) +{ + _IO_init_marker(this, sb); +} + +streammarker::~streammarker() +{ + _IO_remove_marker(this); +} + +#define BAD_DELTA EOF + +int streammarker::delta(streammarker& other_mark) +{ + return _IO_marker_difference(this, &other_mark); +} + +int streammarker::delta() +{ + return _IO_marker_delta(this); +} + +int streambuf::seekmark(streammarker& mark, int delta /* = 0 */) +{ + return _IO_seekmark(this, &mark, delta); +} + +void streambuf::unsave_markers() +{ + _IO_unsave_markers(this); +} + +int ios::readable() { return !(rdbuf()->_flags & _IO_NO_READS); } +int ios::writable() { return !(rdbuf()->_flags & _IO_NO_WRITES); } +int ios::is_open() { return rdbuf() + && (rdbuf()->_flags & _IO_NO_READS+_IO_NO_WRITES) + != _IO_NO_READS+_IO_NO_WRITES; } + +#if defined(linux) +#define IO_CLEANUP +#endif + +#ifdef IO_CLEANUP + IO_CLEANUP +#else +struct __io_defs { + ~__io_defs() { _IO_cleanup (); } +}; +__io_defs io_defs__; +#endif diff --git a/contrib/libio/streambuf.h b/contrib/libio/streambuf.h new file mode 100644 index 0000000..bc734bc --- /dev/null +++ b/contrib/libio/streambuf.h @@ -0,0 +1,488 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#ifndef _STREAMBUF_H +#define _STREAMBUF_H +#ifdef __GNUG__ +#pragma interface +#endif + +/* #define _G_IO_THROW */ /* Not implemented: ios::failure */ + +#define _IO_NEW_STREAMS // new optimizated stream representation + +extern "C" { +#include <libio.h> +} +//#include <_G_config.h> +#ifdef _G_NEED_STDARG_H +#include <stdarg.h> +#endif +#ifndef _IO_va_list +#define _IO_va_list char * +#endif + +#ifndef EOF +#define EOF (-1) +#endif +#ifndef NULL +#ifdef __GNUG__ +#define NULL (__null) +#else +#define NULL (0) +#endif +#endif + +#ifndef _IO_wchar_t +#if _G_IO_IO_FILE_VERSION == 0x20001 +#define _IO_wchar_t _G_wchar_t +#else +#define _IO_wchar_t short +#endif +#endif + +extern "C++" { +class istream; /* Work-around for a g++ name mangling bug. Fixed in 2.6. */ +class ostream; class streambuf; + +// In case some header files defines these as macros. +#undef open +#undef close + +#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001 +typedef _IO_off64_t streamoff; +typedef _IO_fpos64_t streampos; +#else +typedef _IO_off_t streamoff; +typedef _IO_fpos_t streampos; +#endif +typedef _IO_ssize_t streamsize; + +typedef unsigned long __fmtflags; +typedef unsigned char __iostate; + +struct _ios_fields +{ // The data members of an ios. + streambuf *_strbuf; + ostream* _tie; + int _width; + __fmtflags _flags; + _IO_wchar_t _fill; + __iostate _state; + __iostate _exceptions; + int _precision; + + void *_arrays; /* Support for ios::iword and ios::pword. */ +}; + +#define _IOS_GOOD 0 +#define _IOS_EOF 1 +#define _IOS_FAIL 2 +#define _IOS_BAD 4 + +#define _IO_INPUT 1 +#define _IO_OUTPUT 2 +#define _IO_ATEND 4 +#define _IO_APPEND 8 +#define _IO_TRUNC 16 +#define _IO_NOCREATE 32 +#define _IO_NOREPLACE 64 +#define _IO_BIN 128 + +#ifdef _STREAM_COMPAT +enum state_value { + _good = _IOS_GOOD, + _eof = _IOS_EOF, + _fail = _IOS_FAIL, + _bad = _IOS_BAD }; +enum open_mode { + input = _IO_INPUT, + output = _IO_OUTPUT, + atend = _IO_ATEND, + append = _IO_APPEND }; +#endif + +class ios : public _ios_fields { + ios& operator=(ios&); /* Not allowed! */ + ios (const ios&); /* Not allowed! */ + public: + typedef __fmtflags fmtflags; + typedef int iostate; + typedef int openmode; + typedef int streamsize; + enum io_state { + goodbit = _IOS_GOOD, + eofbit = _IOS_EOF, + failbit = _IOS_FAIL, + badbit = _IOS_BAD }; + enum open_mode { + in = _IO_INPUT, + out = _IO_OUTPUT, + ate = _IO_ATEND, + app = _IO_APPEND, + trunc = _IO_TRUNC, + nocreate = _IO_NOCREATE, + noreplace = _IO_NOREPLACE, + bin = _IOS_BIN, // Deprecated - ANSI uses ios::binary. + binary = _IOS_BIN }; + enum seek_dir { beg, cur, end}; + typedef enum seek_dir seekdir; + // NOTE: If adding flags here, before to update ios::bitalloc(). + enum { skipws=_IO_SKIPWS, + left=_IO_LEFT, right=_IO_RIGHT, internal=_IO_INTERNAL, + dec=_IO_DEC, oct=_IO_OCT, hex=_IO_HEX, + showbase=_IO_SHOWBASE, showpoint=_IO_SHOWPOINT, + uppercase=_IO_UPPERCASE, showpos=_IO_SHOWPOS, + scientific=_IO_SCIENTIFIC, fixed=_IO_FIXED, + unitbuf=_IO_UNITBUF, stdio=_IO_STDIO +#ifndef _IO_NEW_STREAMS + , dont_close=_IO_DONT_CLOSE // Don't delete streambuf on stream destruction +#endif + }; + enum { // Masks. + basefield=dec+oct+hex, + floatfield = scientific+fixed, + adjustfield = left+right+internal + }; + +#ifdef _IO_THROW + class failure : public xmsg { + ios* _stream; + public: + failure(ios* stream) { _stream = stream; } + failure(string cause, ios* stream) { _stream = stream; } + ios* rdios() const { return _stream; } + }; +#endif + + ostream* tie() const { return _tie; } + ostream* tie(ostream* val) { ostream* save=_tie; _tie=val; return save; } + + // Methods to change the format state. + _IO_wchar_t fill() const { return _fill; } + _IO_wchar_t fill(_IO_wchar_t newf) + {_IO_wchar_t oldf = _fill; _fill = newf; return oldf;} + fmtflags flags() const { return _flags; } + fmtflags flags(fmtflags new_val) { + fmtflags old_val = _flags; _flags = new_val; return old_val; } + int precision() const { return _precision; } + int precision(int newp) { + unsigned short oldp = _precision; _precision = (unsigned short)newp; + return oldp; } + fmtflags setf(fmtflags val) { + fmtflags oldbits = _flags; + _flags |= val; return oldbits; } + fmtflags setf(fmtflags val, fmtflags mask) { + fmtflags oldbits = _flags; + _flags = (_flags & ~mask) | (val & mask); return oldbits; } + fmtflags unsetf(fmtflags mask) { + fmtflags oldbits = _flags; + _flags &= ~mask; return oldbits; } + int width() const { return _width; } + int width(int val) { int save = _width; _width = val; return save; } + +#ifdef _IO_THROW + void _throw_failure() const { throw new ios::failure(this); } +#else + void _throw_failure() const { } +#endif + void clear(iostate state = 0) { + _state = _strbuf ? state : state|badbit; + if (_state & _exceptions) _throw_failure(); } + void set(iostate flag) { _state |= flag; + if (_state & _exceptions) _throw_failure(); } + void setstate(iostate flag) { _state |= flag; // ANSI + if (_state & _exceptions) _throw_failure(); } + int good() const { return _state == 0; } + int eof() const { return _state & ios::eofbit; } + int fail() const { return _state & (ios::badbit|ios::failbit); } + int bad() const { return _state & ios::badbit; } + iostate rdstate() const { return _state; } + operator void*() const { return fail() ? (void*)0 : (void*)(-1); } + int operator!() const { return fail(); } + iostate exceptions() const { return _exceptions; } + void exceptions(iostate enable) { + _exceptions = enable; + if (_state & _exceptions) _throw_failure(); } + + streambuf* rdbuf() const { return _strbuf; } + streambuf* rdbuf(streambuf *_s) { + streambuf *_old = _strbuf; _strbuf = _s; clear (); return _old; } + + static int sync_with_stdio(int on); + static void sync_with_stdio() { sync_with_stdio(1); } + static fmtflags bitalloc(); + static int xalloc(); + void*& pword(int); + void* pword(int) const; + long& iword(int); + long iword(int) const; + +#ifdef _STREAM_COMPAT + void unset(state_value flag) { _state &= ~flag; } + void close(); + int is_open(); + int readable(); + int writable(); +#endif + + // Used to initialize standard streams. Not needed in this implementation. + class Init { + public: + Init () { } + }; + + protected: + inline ios(streambuf* sb = 0, ostream* tie_to = 0); + inline virtual ~ios(); + inline void init(streambuf* sb, ostream* tie = 0); +}; + +#if __GNUG__==1 +typedef int _seek_dir; +#else +typedef ios::seek_dir _seek_dir; +#endif + +// Magic numbers and bits for the _flags field. +// The magic numbers use the high-order bits of _flags; +// the remaining bits are abailable for variable flags. +// Note: The magic numbers must all be negative if stdio +// emulation is desired. + +// A streammarker remembers a position in a buffer. +// You are guaranteed to be able to seek back to it if it is saving(). +class streammarker : private _IO_marker { + friend class streambuf; + void set_offset(int offset) { _pos = offset; } + public: + streammarker(streambuf *sb); + ~streammarker(); + int saving() { return 1; } + int delta(streammarker&); + int delta(); +}; + +struct streambuf : public _IO_FILE { // protected?? + friend class ios; + friend class istream; + friend class ostream; + friend class streammarker; + const void *&_vtable() { return *(const void**)((_IO_FILE*)this + 1); } + protected: + static streambuf* _list_all; /* List of open streambufs. */ + _IO_FILE*& xchain() { return _chain; } + void _un_link(); + void _link_in(); + char* gptr() const + { return _IO_file_flags & _IO_IN_BACKUP ? _IO_save_base : _IO_read_ptr; } + char* pptr() const { return _IO_write_ptr; } + char* egptr() const + { return _IO_file_flags & _IO_IN_BACKUP ? _IO_save_end : _IO_read_end; } + char* epptr() const { return _IO_write_end; } + char* pbase() const { return _IO_write_base; } + char* eback() const + { return _IO_file_flags & _IO_IN_BACKUP ? _IO_save_base : _IO_read_base;} + char* base() const { return _IO_buf_base; } + char* ebuf() const { return _IO_buf_end; } + int blen() const { return _IO_buf_end - _IO_buf_base; } + void xput_char(char c) { *_IO_write_ptr++ = c; } + int xflags() { return _IO_file_flags; } + int xflags(int f) {int fl = _IO_file_flags; _IO_file_flags = f; return fl;} + void xsetflags(int f) { _IO_file_flags |= f; } + void xsetflags(int f, int mask) + { _IO_file_flags = (_IO_file_flags & ~mask) | (f & mask); } + void gbump(int n) + { _IO_file_flags & _IO_IN_BACKUP ? (_IO_save_base+=n):(_IO_read_ptr+=n);} + void pbump(int n) { _IO_write_ptr += n; } + void setb(char* b, char* eb, int a=0); + void setp(char* p, char* ep) + { _IO_write_base=_IO_write_ptr=p; _IO_write_end=ep; } + void setg(char* eb, char* g, char *eg) { + if (_IO_file_flags & _IO_IN_BACKUP) _IO_free_backup_area(this); + _IO_read_base = eb; _IO_read_ptr = g; _IO_read_end = eg; } + char *shortbuf() { return _shortbuf; } + + int in_backup() { return _flags & _IO_IN_BACKUP; } + // The start of the main get area: FIXME: wrong for write-mode filebuf? + char *Gbase() { return in_backup() ? _IO_save_base : _IO_read_base; } + // The end of the main get area: + char *eGptr() { return in_backup() ? _IO_save_end : _IO_read_end; } + // The start of the backup area: + char *Bbase() { return in_backup() ? _IO_read_base : _IO_save_base; } + char *Bptr() { return _IO_backup_base; } + // The end of the backup area: + char *eBptr() { return in_backup() ? _IO_read_end : _IO_save_end; } + char *Nbase() { return _IO_save_base; } + char *eNptr() { return _IO_save_end; } + int have_backup() { return _IO_save_base != NULL; } + int have_markers() { return _markers != NULL; } + void free_backup_area(); + void unsave_markers(); // Make all streammarkers !saving(). + int put_mode() { return _flags & _IO_CURRENTLY_PUTTING; } + int switch_to_get_mode(); + + streambuf(int flags=0); + public: + static int flush_all(); + static void flush_all_linebuffered(); // Flush all line buffered files. + virtual ~streambuf(); + virtual int overflow(int c = EOF); // Leave public for now + virtual int underflow(); // Leave public for now + virtual int uflow(); // Leave public for now + virtual int pbackfail(int c); +// virtual int showmany (); + virtual streamsize xsputn(const char* s, streamsize n); + virtual streamsize xsgetn(char* s, streamsize n); + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out); + + streampos pubseekoff(streamoff o, _seek_dir d, int mode=ios::in|ios::out) + { return _IO_seekoff (this, o, d, mode); } + streampos pubseekpos(streampos pos, int mode = ios::in|ios::out) + { return _IO_seekpos (this, pos, mode); } + streampos sseekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + streampos sseekpos(streampos pos, int mode = ios::in|ios::out); + virtual streambuf* setbuf(char* p, int len); + virtual int sync(); + virtual int doallocate(); + + int seekmark(streammarker& mark, int delta = 0); + int sputbackc(char c); + int sungetc(); + int unbuffered() { return _flags & _IO_UNBUFFERED ? 1 : 0; } + int linebuffered() { return _flags & _IO_LINE_BUF ? 1 : 0; } + void unbuffered(int i) + { if (i) _flags |= _IO_UNBUFFERED; else _flags &= ~_IO_UNBUFFERED; } + void linebuffered(int i) + { if (i) _flags |= _IO_LINE_BUF; else _flags &= ~_IO_LINE_BUF; } + int allocate() { // For AT&T compatibility + if (base() || unbuffered()) return 0; + else return doallocate(); } + // Allocate a buffer if needed; use _shortbuf if appropriate. + void allocbuf() { if (base() == NULL) doallocbuf(); } + void doallocbuf(); + int in_avail() { return _IO_read_end - _IO_read_ptr; } + int out_waiting() { return _IO_write_ptr - _IO_write_base; } + streamsize sputn(const char* s, streamsize n) { return xsputn(s, n); } + streamsize padn(char pad, streamsize n) { return _IO_padn(this, pad, n); } + streamsize sgetn(char* s, streamsize n) { return _IO_sgetn(this, s, n); } + int ignore(int); + int get_column(); + int set_column(int); + long sgetline(char* buf, _IO_size_t n, char delim, int putback_delim); + int sputc(int c) { return _IO_putc(c, this); } + int sbumpc() { return _IO_getc(this); } + int sgetc() { return _IO_peekc(this); } + int snextc() { + if (_IO_read_ptr >= _IO_read_end && __underflow(this) == EOF) + return EOF; + else return _IO_read_ptr++, sgetc(); } + void stossc() { if (_IO_read_ptr < _IO_read_end) _IO_read_ptr++; } + int vscan(char const *fmt0, _IO_va_list ap, ios* stream = NULL); + int scan(char const *fmt0 ...); + int vform(char const *fmt0, _IO_va_list ap); + int form(char const *fmt0 ...); +#if 0 /* Work in progress */ + int column(); // Current column number (of put pointer). -1 is unknown. + void column(int c); // Set column number of put pointer to c. +#endif + virtual streamsize sys_read(char* buf, streamsize size); + virtual streamsize sys_write(const char*, streamsize); + virtual streampos sys_seek(streamoff, _seek_dir); + virtual int sys_close(); + virtual int sys_stat(void*); // Actually, a (struct stat*) +#if _G_IO_IO_FILE_VERSION == 0x20001 + virtual int showmanyc(); + virtual void imbue(void *); +#endif +}; + +// A backupbuf is a streambuf with full backup and savepoints on reading. +// All standard streambufs in the GNU iostream library are backupbufs. + +class filebuf : public streambuf { + protected: + void init(); + public: + static const int openprot; // Non-ANSI AT&T-ism: Default open protection. + filebuf(); + filebuf(int fd); + filebuf(int fd, char* p, int len); +#if !_IO_UNIFIED_JUMPTABLES + static filebuf *__new(); +#endif + ~filebuf(); + filebuf* attach(int fd); + filebuf* open(const char *filename, const char *mode); + filebuf* open(const char *filename, ios::openmode mode, int prot = 0664); + virtual int underflow(); + virtual int overflow(int c = EOF); + int is_open() const { return _fileno >= 0; } + int fd() const { return is_open() ? _fileno : EOF; } + filebuf* close(); + virtual int doallocate(); + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); + virtual streambuf* setbuf(char* p, int len); + streamsize xsputn(const char* s, streamsize n); + streamsize xsgetn(char* s, streamsize n); + virtual int sync(); + protected: // See documentation in filebuf.C. +// virtual int pbackfail(int c); + int is_reading() { return eback() != egptr(); } + char* cur_ptr() { return is_reading() ? gptr() : pptr(); } + /* System's idea of pointer */ + char* file_ptr() { return eGptr(); } + // Low-level operations (Usually invoke system calls.) + virtual streamsize sys_read(char* buf, streamsize size); + virtual streampos sys_seek(streamoff, _seek_dir); + virtual streamsize sys_write(const char*, streamsize); + virtual int sys_stat(void*); // Actually, a (struct stat*) + virtual int sys_close(); +#if 0 + virtual uflow; + virtual showmany; +#endif +}; + +inline void ios::init(streambuf* sb, ostream* tie_to) { + _state = sb ? ios::goodbit : ios::badbit; _exceptions=0; + _strbuf=sb; _tie = tie_to; _width=0; _fill=' '; +#ifdef _IO_NEW_STREAMS + _flags=ios::skipws|ios::dec; +#else + _flags=ios::skipws|ios::dec|ios::dont_close; +#endif + _precision=6; _arrays = 0; } + +inline ios::ios(streambuf* sb, ostream* tie_to) { init(sb, tie_to); } + +inline ios::~ios() { +#ifndef _IO_NEW_STREAMS + if (!(_flags & (unsigned int)ios::dont_close)) delete rdbuf(); +#endif + if (_arrays) delete [] _arrays; +} +} // extern "C++" +#endif /* _STREAMBUF_H */ diff --git a/contrib/libio/strfile.h b/contrib/libio/strfile.h new file mode 100644 index 0000000..85e83a9 --- /dev/null +++ b/contrib/libio/strfile.h @@ -0,0 +1,71 @@ +/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include <libio.h> +#ifdef TODO +Merge into libio.h ? +#endif + +#ifndef __PMT +# ifdef __STDC__ +# define __PMT(p) p +# else +# define __PMT(p) () +# endif +#endif /*!__P*/ + +typedef void *(*_IO_alloc_type) __PMT ((_IO_size_t)); +typedef void (*_IO_free_type) __PMT ((void*)); + +struct _IO_str_fields +{ + _IO_alloc_type _allocate_buffer; + _IO_free_type _free_buffer; +}; + +/* This is needed for the Irix6 N32 ABI, which has a 64 bit off_t type, + but a 32 bit pointer type. In this case, we get 4 bytes of padding + after the vtable pointer. Putting them in a structure together solves + this problem. */ + +struct _IO_streambuf +{ + struct _IO_FILE _f; + const void *_vtable; +}; + +typedef struct _IO_strfile_ +{ + struct _IO_streambuf _sbf; + struct _IO_str_fields _s; +} _IO_strfile; + +/* dynamic: set when the array object is allocated (or reallocated) as + necessary to hold a character sequence that can change in length. */ +#define _IO_STR_DYNAMIC(FP) ((FP)->_s._allocate_buffer != (_IO_alloc_type)0) + +/* frozen: set when the program has requested that the array object not + be altered, reallocated, or freed. */ +#define _IO_STR_FROZEN(FP) ((FP)->_f._IO_file_flags & _IO_USER_BUF) diff --git a/contrib/libio/strops.c b/contrib/libio/strops.c new file mode 100644 index 0000000..193e39d --- /dev/null +++ b/contrib/libio/strops.c @@ -0,0 +1,303 @@ +/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This library is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "strfile.h" +#include "libioP.h" +#include <string.h> + +#if 0 +/* The following definitions are for exposition only. + They map the terminology used in the ANSI/ISO C++ draft standard + to the implementation. */ + +/* allocated: set when a dynamic array object has been allocated, and + hence should be freed by the destructor for the strstreambuf object. */ +#define ALLOCATED(FP) ((FP)->_f._IO_buf_base && DYNAMIC(FP)) + +/* constant: set when the array object has const elements, + so the output sequence cannot be written. */ +#define CONSTANT(FP) ((FP)->_f._IO_file_flags & _IO_NO_WRITES) + +/* alsize: the suggested minimum size for a dynamic array object. */ +#define ALSIZE(FP) ??? /* not stored */ + +/* palloc: points to the function to call to allocate a dynamic array object.*/ +#define PALLOC(FP) \ + ((FP)->_s._allocate_buffer == default_alloc ? 0 : (FP)->_s._allocate_buffer) + +/* pfree: points to the function to call to free a dynamic array object. */ +#define PFREE(FP) \ + ((FP)->_s._free_buffer == default_free ? 0 : (FP)->_s._free_buffer) + +#endif + +#ifdef TODO +/* An "unbounded buffer" is when a buffer is supplied, but with no + specified length. An example is the buffer argument to sprintf. + */ +#endif + +void +_IO_str_init_static (fp, ptr, size, pstart) + _IO_FILE *fp; + char *ptr; + int size; + char *pstart; +{ + if (size == 0) + size = strlen (ptr); + else if (size < 0) + { + /* If size is negative 'the characters are assumed to + continue indefinitely.' This is kind of messy ... */ + int s; + size = 512; + /* Try increasing powers of 2, as long as we don't wrap around. */ + for (; s = 2*size, s > 0 && ptr + s > ptr && s < 0x4000000L; ) + size = s; + /* Try increasing size as much as we can without wrapping around. */ + for (s = size >> 1; s > 0; s >>= 1) + { + if (ptr + size + s > ptr) + size += s; + } + } + _IO_setb (fp, ptr, ptr + size, 0); + + fp->_IO_write_base = ptr; + fp->_IO_read_base = ptr; + fp->_IO_read_ptr = ptr; + if (pstart) + { + fp->_IO_write_ptr = pstart; + fp->_IO_write_end = ptr + size; + fp->_IO_read_end = pstart; + } + else + { + fp->_IO_write_ptr = ptr; + fp->_IO_write_end = ptr; + fp->_IO_read_end = ptr+size; + } + /* A null _allocate_buffer function flags the strfile as being static. */ + (((_IO_strfile *) fp)->_s._allocate_buffer) = (_IO_alloc_type)0; +} + +void +_IO_str_init_readonly (fp, ptr, size) + _IO_FILE *fp; + const char *ptr; + int size; +{ + _IO_str_init_static (fp, (char *) ptr, size, NULL); + fp->_IO_file_flags |= _IO_NO_WRITES; +} + +int +_IO_str_overflow (fp, c) + _IO_FILE *fp; + int c; +{ + int flush_only = c == EOF; + _IO_size_t pos; + if (fp->_flags & _IO_NO_WRITES) + return flush_only ? 0 : EOF; + if ((fp->_flags & _IO_TIED_PUT_GET) && !(fp->_flags & _IO_CURRENTLY_PUTTING)) + { + fp->_flags |= _IO_CURRENTLY_PUTTING; + fp->_IO_write_ptr = fp->_IO_read_ptr; + fp->_IO_read_ptr = fp->_IO_read_end; + } + pos = fp->_IO_write_ptr - fp->_IO_write_base; + if (pos >= (_IO_size_t) (_IO_blen (fp) + flush_only)) + { + if (fp->_flags & _IO_USER_BUF) /* not allowed to enlarge */ + return EOF; + else + { + char *new_buf; + char *old_buf = fp->_IO_buf_base; + _IO_size_t new_size = 2 * _IO_blen (fp) + 100; + new_buf + = (char *) (*((_IO_strfile *) fp)->_s._allocate_buffer) (new_size); + if (new_buf == NULL) + { + /* __ferror(fp) = 1; */ + return EOF; + } + if (fp->_IO_buf_base) + { + memcpy (new_buf, old_buf, _IO_blen (fp)); + (*((_IO_strfile *) fp)->_s._free_buffer) (fp->_IO_buf_base); + /* Make sure _IO_setb won't try to delete _IO_buf_base. */ + fp->_IO_buf_base = NULL; + } +#if 0 + if (lenp == &LEN(fp)) /* use '\0'-filling */ + memset (new_buf + pos, 0, blen() - pos); +#endif + _IO_setb (fp, new_buf, new_buf + new_size, 1); + fp->_IO_read_base = new_buf + (fp->_IO_read_base - old_buf); + fp->_IO_read_ptr = new_buf + (fp->_IO_read_ptr - old_buf); + fp->_IO_read_end = new_buf + (fp->_IO_read_end - old_buf); + fp->_IO_write_ptr = new_buf + (fp->_IO_write_ptr - old_buf); + + fp->_IO_write_base = new_buf; + fp->_IO_write_end = fp->_IO_buf_end; + } + } + + if (!flush_only) + *fp->_IO_write_ptr++ = (unsigned char) c; + if (fp->_IO_write_ptr > fp->_IO_read_end) + fp->_IO_read_end = fp->_IO_write_ptr; + return c; +} + +int +_IO_str_underflow (fp) + _IO_FILE *fp; +{ + if (fp->_IO_write_ptr > fp->_IO_read_end) + fp->_IO_read_end = fp->_IO_write_ptr; + if ((fp->_flags & _IO_TIED_PUT_GET) && (fp->_flags & _IO_CURRENTLY_PUTTING)) + { + fp->_flags &= ~_IO_CURRENTLY_PUTTING; + fp->_IO_read_ptr = fp->_IO_write_ptr; + fp->_IO_write_ptr = fp->_IO_write_end; + } + if (fp->_IO_read_ptr < fp->_IO_read_end) + return *((unsigned char *) fp->_IO_read_ptr); + else + return EOF; +} + +/* The size of the valid part of the buffer. */ + +_IO_ssize_t +_IO_str_count (fp) + _IO_FILE *fp; +{ + return ((fp->_IO_write_ptr > fp->_IO_read_end + ? fp->_IO_write_ptr : fp->_IO_read_end) + - fp->_IO_read_base); +} + +_IO_pos_t +_IO_str_seekoff (fp, offset, dir, mode) + _IO_FILE *fp; + _IO_off_t offset; + int dir; + int mode; +{ + _IO_ssize_t cur_size = _IO_str_count (fp); + _IO_pos_t new_pos = EOF; + + /* Move the get pointer, if requested. */ + if (mode & _IOS_INPUT) + { + switch (dir) + { + case _IO_seek_end: + offset += cur_size; + break; + case _IO_seek_cur: + offset += fp->_IO_read_ptr - fp->_IO_read_base; + break; + default: /* case _IO_seek_set: */ + break; + } + if (offset < 0 || (_IO_ssize_t) offset > cur_size) + return EOF; + fp->_IO_read_ptr = fp->_IO_read_base + offset; + fp->_IO_read_end = fp->_IO_read_base + cur_size; + new_pos = offset; + } + + /* Move the put pointer, if requested. */ + if (mode & _IOS_OUTPUT) + { + switch (dir) + { + case _IO_seek_end: + offset += cur_size; + break; + case _IO_seek_cur: + offset += fp->_IO_write_ptr - fp->_IO_write_base; + break; + default: /* case _IO_seek_set: */ + break; + } + if (offset < 0 || (_IO_ssize_t) offset > cur_size) + return EOF; + fp->_IO_write_ptr = fp->_IO_write_base + offset; + new_pos = offset; + } + return new_pos; +} + +int +_IO_str_pbackfail (fp, c) + _IO_FILE *fp; + int c; +{ + if ((fp->_flags & _IO_NO_WRITES) && c != EOF) + return EOF; + return _IO_default_pbackfail (fp, c); +} + +void +_IO_str_finish (fp, dummy) + _IO_FILE *fp; + int dummy; +{ + if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF)) + (((_IO_strfile *) fp)->_s._free_buffer) (fp->_IO_buf_base); + fp->_IO_buf_base = NULL; + + _IO_default_finish (fp, 0); +} + +struct _IO_jump_t _IO_str_jumps = +{ + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_str_finish), + JUMP_INIT(overflow, _IO_str_overflow), + JUMP_INIT(underflow, _IO_str_underflow), + JUMP_INIT(uflow, _IO_default_uflow), + JUMP_INIT(pbackfail, _IO_str_pbackfail), + JUMP_INIT(xsputn, _IO_default_xsputn), + JUMP_INIT(xsgetn, _IO_default_xsgetn), + JUMP_INIT(seekoff, _IO_str_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, _IO_default_setbuf), + JUMP_INIT(sync, _IO_default_sync), + JUMP_INIT(doallocate, _IO_default_doallocate), + JUMP_INIT(read, _IO_default_read), + JUMP_INIT(write, _IO_default_write), + JUMP_INIT(seek, _IO_default_seek), + JUMP_INIT(close, _IO_default_close), + JUMP_INIT(stat, _IO_default_stat) +}; diff --git a/contrib/libio/strstream.cc b/contrib/libio/strstream.cc new file mode 100644 index 0000000..a32e811 --- /dev/null +++ b/contrib/libio/strstream.cc @@ -0,0 +1,116 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifdef __GNUG__ +#pragma implementation +#endif +#include "iostreamP.h" +#include "strstream.h" +#include <string.h> + +static void* default_alloc(_IO_size_t size) +{ + return (void*)new char[size]; +} + +static void default_free(void* ptr) +{ + delete [] (char*)ptr; +} + +istrstream::istrstream(const char *cp, int n) +{ + __my_sb.init_readonly (cp, n); +} + +strstreambase::strstreambase(char *cp, int n, int mode) +: __my_sb (cp, n, + (mode == ios::app || mode == ios::ate) ? cp + strlen(cp) : cp) +{ + init (&__my_sb); +} + +char *strstreambuf::str() +{ + freeze(1); + return base(); +} + +_IO_ssize_t strstreambuf::pcount () { return _IO_write_ptr - _IO_write_base; } + +int strstreambuf::overflow(int c /* = EOF */) +{ + return _IO_str_overflow (this, c); +} + +int strstreambuf::underflow() +{ + return _IO_str_underflow(this); +} + + +void strstreambuf::init_dynamic(_IO_alloc_type alloc, _IO_free_type free, + int initial_size) + +{ + _s._allocate_buffer = alloc ? alloc : default_alloc; + _s._free_buffer = free ? free : default_free; + if (initial_size > 0) + { + char * buf = (char*)(*_s._allocate_buffer)(initial_size); + setb(buf, buf + initial_size, 1); + setp(buf, buf + initial_size); + setg(buf, buf, buf); + } +} + +void strstreambuf::init_static(char *ptr, int size, char *pstart) +{ + _IO_str_init_static (this, ptr, size, pstart); +} + +void strstreambuf::init_readonly (const char *ptr, int size) +{ + _IO_str_init_readonly (this, ptr, size); +} + +strstreambuf::~strstreambuf() +{ + if (_IO_buf_base && !(_flags & _IO_USER_BUF)) + (_s._free_buffer)(_IO_buf_base); + _IO_buf_base = NULL; +} + +streampos strstreambuf::seekoff(streamoff off, _seek_dir dir, + int mode /*=ios::in|ios::out*/) +{ + return _IO_str_seekoff (this, off, dir, mode); +} + +int strstreambuf::pbackfail(int c) +{ + return _IO_str_pbackfail (this, c); +} diff --git a/contrib/libio/strstream.h b/contrib/libio/strstream.h new file mode 100644 index 0000000..d549b45 --- /dev/null +++ b/contrib/libio/strstream.h @@ -0,0 +1,113 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef __STRSTREAM_H +#define __STRSTREAM_H +#ifdef __GNUG__ +#pragma interface +#endif +#include <iostream.h> +#include <strfile.h> + +extern "C++" { +class strstreambuf : public streambuf +{ + struct _IO_str_fields _s; + friend class istrstream; + + void init_dynamic(_IO_alloc_type alloc, _IO_free_type free, + int initial_size = 0); + void init_static(char *ptr, int size, char *pstart); + void init_readonly(const char *ptr, int size); + protected: + virtual int overflow(int = EOF); + virtual int underflow(); + virtual int pbackfail(int c); + public: + virtual ~strstreambuf(); + strstreambuf() { init_dynamic(0, 0); } + strstreambuf(int initial_size) { init_dynamic(0, 0, initial_size); } + strstreambuf(void *(*alloc)(_IO_size_t), void (*free)(void*)) + { init_dynamic(alloc, free); } + strstreambuf(char *ptr, int size, char *pstart = NULL) + { init_static(ptr, size, pstart); } + strstreambuf(unsigned char *ptr, int size, unsigned char *pstart = NULL) + { init_static((char*)ptr, size, (char*)pstart); } + strstreambuf(const char *ptr, int size) + { init_readonly(ptr, size); } + strstreambuf(const unsigned char *ptr, int size) + { init_readonly((const char*)ptr, size); } + strstreambuf(signed char *ptr, int size, signed char *pstart = NULL) + { init_static((char*)ptr, size, (char*)pstart); } + strstreambuf(const signed char *ptr, int size) + { init_readonly((const char*)ptr, size); } + // Note: frozen() is always true if !_IO_STR_DYNAMIC(this). + int frozen() { return _flags & _IO_USER_BUF ? 1 : 0; } + void freeze(int n=1) + { if (_IO_STR_DYNAMIC(this)) + { if (n) _flags |= _IO_USER_BUF; else _flags &= ~_IO_USER_BUF; } } + _IO_ssize_t pcount(); + char *str(); + virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out); +}; + +class strstreambase : virtual public ios { + protected: + strstreambuf __my_sb; + public: + strstreambuf* rdbuf() { return &__my_sb; } + protected: + strstreambase() { init (&__my_sb); } + strstreambase(char *cp, int n, int mode=ios::out); +}; + +class istrstream : public strstreambase, public istream { + public: + istrstream(const char*, int=0); +}; + +class ostrstream : public strstreambase, public ostream { + public: + ostrstream() { } + ostrstream(char *cp, int n, int mode=ios::out) :strstreambase(cp,n,mode){} + _IO_ssize_t pcount() { return ((strstreambuf*)_strbuf)->pcount(); } + char *str() { return ((strstreambuf*)_strbuf)->str(); } + void freeze(int n = 1) { ((strstreambuf*)_strbuf)->freeze(n); } + int frozen() { return ((strstreambuf*)_strbuf)->frozen(); } +}; + +class strstream : public strstreambase, public iostream { + public: + strstream() { } + strstream(char *cp, int n, int mode=ios::out) :strstreambase(cp,n,mode){} + _IO_ssize_t pcount() { return ((strstreambuf*)_strbuf)->pcount(); } + char *str() { return ((strstreambuf*)_strbuf)->str(); } + void freeze(int n = 1) { ((strstreambuf*)_strbuf)->freeze(n); } + int frozen() { return ((strstreambuf*)_strbuf)->frozen(); } +}; +} // extern "C++" + +#endif /*!__STRSTREAM_H*/ diff --git a/contrib/libio/tests/ChangeLog b/contrib/libio/tests/ChangeLog new file mode 100644 index 0000000..1ea7bb1 --- /dev/null +++ b/contrib/libio/tests/ChangeLog @@ -0,0 +1,150 @@ +Sun Mar 14 02:38:07 PST 1999 Jeff Law (law@cygnus.com) + + * egcs-1.1.2 Released. + +1997-10-31 Brendan Kehoe <brendan@lisa.cygnus.com> + + * tFile.cc (t4): Cast TMPFILE to char* in the call to unlink, to + solve warning problems with vxworks headers that leave const off + their declarations. + +Tue May 20 17:57:31 1997 Jeffrey A Law (law@cygnus.com) + + * tfformat.c (main): Only run half the testcases if SLOW_SIMULATOR + is defined. + +Sun May 18 17:15:32 1997 Jeffrey A Law (law@cygnus.com) + + * tfformat.c (main): Exit immediately if doubles are not + at least 64 bits wide. + +Fri May 16 19:31:29 1997 Bob Manson <manson@charmed.cygnus.com> + + Fix testscases to use _G_int32_t appropriately. + +Thu May 1 17:35:43 1997 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (tgetl, tFile, tiomisc, hounddog, putbackdog, + tiomanip, foo, foo+): Add $(CXXFLAGS). + (tfseek, twrseek, trdseek, tstdiomisc, tpopen): Add $(CFLAGS). + +Mon Apr 28 11:28:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * tiomisc.cc (operator delete): Add throw spec. + +Sat Apr 26 13:40:17 1997 Bob Manson <manson@charmed.cygnus.com> + + * Makefile.in: Change check to check-old. Add do-nothing + check target. + +Wed Apr 10 17:15:47 1996 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in (IOLIBS): Link with libstdc++. + +Tue Mar 12 11:45:14 1996 Per Bothner <bothner@kalessin.cygnus.com> + + * tiomisc.cc (test_read_write_flush): New test for read/write/seek + on block end. From Luke Blanshard <luke@cs.wisc.edu>. + +Thu Jul 6 17:51:30 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * tiomisc.cc (getline_test3): New function. Test reading long lines. + * tiomisc.exp: Update for output from getline_test3. + +Wed May 10 03:06:51 1995 Jason Merrill <jason@python.cygnus.com> + + * configure.in (X*INCLUDES): Renamed. + +Thu Apr 27 21:05:00 1995 Per Bothner <bothner@kalessin.cygnus.com> + + * tiomisc.cc (test_destroy), tiomisc.exp: Add support for + _IO_NEW_STREAMS. + +Tue Apr 25 15:15:01 1995 Jim Wilson <wilson@chestnut.cygnus.com> + + * tstdiomisc.c (t2): Use N not n in last SCAN macro call. + +Sun Feb 12 21:23:24 1995 Brendan Kehoe (brendan@lisa.cygnus.com) + + * Makefile.in (JUNK_TO_CLEAN): Also delete foo.dat from tiomisc. + +Sat Nov 5 14:37:36 1994 Per Bothner <bothner@kalessin.cygnus.com> + + * tiomisc.cc (test_destroy): New test case from Jason Merrill. + * tiomisc.exp: Update. + + * Makefile.in (JUNK_TO_CLEAN): Add tstdiomisc. + +Thu Oct 13 16:47:30 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tiomisc.cc (reread_test): Remove bogus istream assignment. + +Wed Aug 31 13:59:56 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (CXX_FLAGS): Not used. Removed. + +Wed Aug 17 18:27:37 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tiomisc.cc (getline_test1, getline_test2, flush1_test): New tests, + * tiomisc.cc (reread_test): New tests, + +Wed Jun 22 13:44:19 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tstdiomisc.c: Add some sscanf tests. + * Makefile.in (check-tstdiomisc): Run diff with expected output. + * tstdiomisc.exp: New file. Expected output from tstdiomisc. + * Makefile.in (foo): New rule, for quick one-off tests. + +Fri May 6 14:10:24 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tFile.cc (t7): Revert Mar 4 change - I was confused. + +Sat Apr 2 04:41:41 1994 Andreas Schwab (schwab@issan.informatik.uni-dortmund.de) + + * Makefile.in (tfformat): Fix dependency. + +Fri Mar 4 17:40:14 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tFile.cc (t7): gcount after getline shouldn't include delimiter. + * tFile.cc (show_int, t12), tFile.exp: More integer formatting tests. + +Tue Feb 8 18:39:09 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tiomisc.cc, tiomisc.exp: New test case (for filebuf::attach) + from Joe Buck. + +Mon Jan 31 13:24:58 1994 Per Bothner (bothner@kalessin.cygnus.com) + + * tfformat.c (main): Fix fprintf format string (%s -> %d). + Bug reported by Jochen Voss <voss@mathematik.uni-kl.de>. + +Sun Dec 19 15:29:00 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * tstdiomisc.c, Makefile.in: New tests. + +Thu Dec 2 22:56:21 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (JUNK_TO_CLEAN), configure.in (MOSTLYCLEAN): + Added, to cleanup after tests. + +Fri Nov 26 16:05:43 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * tiomisc.cc, tiomisc.exp: A (hopefully growing) collection + of small, random tests (mainly regression tests). + * tiomisc.cc (test1 and test2): Tests from Wilco van Hoogstraeten + <wilco@erasmus.et.tudelft.nl> to check for (now-fixed) bugs. + +Mon Oct 4 17:38:27 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * Makefile.in (IOSTDIOLIB): New macro. + +Fri Aug 27 12:22:10 1993 Per Bothner (bothner@kalessin.cygnus.com) + + * tFile.cc (t7): Add test for buffer overflow. + +Fri Aug 20 00:23:53 1993 Per Bothner (bothner@kalessin.cygnus.com) + + Moved various tests over from old libg++/iostream/test. + * Makefile.in: Edit appropriately. + + diff --git a/contrib/libio/tests/Makefile.in b/contrib/libio/tests/Makefile.in new file mode 100644 index 0000000..f93b300 --- /dev/null +++ b/contrib/libio/tests/Makefile.in @@ -0,0 +1,195 @@ +# Copyright (C) 1993, 1998 Free Software Foundation +# +# This file is part of the GNU IO Library. This library is free +# software; you can redistribute it and/or modify it under the +# terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU CC; see the file COPYING. If not, write to +# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +srcdir = . + +CFLAGS = -g +C_FLAGS = $(CFLAGS) -I. -I.. -I$(srcdir) -I$(srcdir)/.. +CXXFLAGS = -g +CC = gcc +CXX = gcc + +#### package, host, target, and site dependent Makefile fragments come in here. +## + +STDIO_LD_FLAGS = -u __cleanup + +#LIBS = ../../libg++.a + +#LIBSTDIO = ../stdio/libstdio++.a +#LIBIO = ../libio.a + +#STDIOLIBS = $(STDIO_LD_FLAGS) $(LIBSTDIO) $(LIBIO) $(LIBS) +STDIOLIBS = $(LIBSTDIO) $(LIBIO) $(LIBS) +IOLIBS = -L../../libstdc++ -lstdc++ +IOSTDIOLIB = ../libio.a ../../libiberty/libiberty.a + +DEPEND_SOURCES = $(srcdir)/*.C + +.PHONY: check check-old check-iostream check-stdio +check: $(CHECK) + + +# These are tests written in C++, that test the iostream facility. +check-iostream: check-tFile check-tiomisc \ + check-hounddog check-putbackdog check-tiomanip + +# These are tests written in C, that don't need C++. +# They test libio's emulation of stdio. +check-iostdio: check-tiformat check-tfformat check-tstdiomisc + +# check-stdio runs test programs that use stdio. +# These aren't run by default because there may be linker tricks needed +# to build them (if libc.a contains a competing stdio implementation). + +check-stdio: check-tfseek check-twrseek check-trdseek check-tpopen + +# See ${MOSTLYCLEAN} in configure.in +JUNK_TO_CLEAN = tFile tiomisc hounddog putbackdog tiomanip \ + t?format *.out streamfile ftmp* tstdiomisc foo.dat + +.PHONY: info +info: +.PHONY: clean-info +clean-info: +.PHONY: install-info +install-info: + +tst: tst.o + gcc -v -o tst tst.o $(STDIOLIBS) + +tgetl: tgetl.o + $(CXX) $(CXXFLAGS) -o tgetl tgetl.o $(IOLIBS) + +tFile: tFile.o + $(CXX) $(CXXFLAGS) -o tFile tFile.o $(IOLIBS) + +tiomisc: tiomisc.o + $(CXX) $(CXXFLAGS) -o tiomisc tiomisc.o $(IOLIBS) + +hounddog: hounddog.o + $(CXX) $(CXXFLAGS) -o hounddog hounddog.o $(IOLIBS) + +check-hounddog: hounddog + ./hounddog <$(srcdir)/hounddog.inp > hounddog.out 2>&1 + diff -c hounddog.out $(srcdir)/hounddog.exp + ./hounddog -b0 <$(srcdir)/hounddog.inp > hound-b0.out 2>&1 + diff -c hound-b0.out $(srcdir)/hounddog.exp + ./hounddog -b2 <$(srcdir)/hounddog.inp > hound-b2.out 2>&1 + diff -c hound-b2.out $(srcdir)/hounddog.exp + +putbackdog: putbackdog.o + $(CXX) $(CXXFLAGS) -o putbackdog putbackdog.o $(IOLIBS) + +check-putbackdog-regular: putbackdog + ./putbackdog <$(srcdir)/hounddog.inp > putback.out 2>&1 + diff -c putback.out $(srcdir)/hounddog.exp +check-putbackdog-nobuf: putbackdog + ./putbackdog -b0 <$(srcdir)/hounddog.inp > putback-b0.out 2>&1 + diff -c putback-b0.out $(srcdir)/hounddog.exp +check-putbackdog-buf2: putbackdog + ./putbackdog -b2 <$(srcdir)/hounddog.inp > putback-b2.out 2>&1 + diff -c putback-b2.out $(srcdir)/hounddog.exp +check-putbackdog: \ + check-putbackdog-regular check-putbackdog-nobuf check-putbackdog-buf2 + +tfseek: tfseek.o + $(CC) $(CFLAGS) -o tfseek tfseek.o $(STDIOLIBS) + +check-tfseek: tfseek + ./tfseek SEEK_SET fopen > tfseek-set-fopen.out 2>&1 + diff -c tfseek-set-fopen.out $(srcdir)/tfseek-set.exp + ./tfseek SEEK_SET freopen > tfseek-set-freopen.out 2>&1 + diff -c tfseek-set-freopen.out $(srcdir)/tfseek-set.exp + ./tfseek SEEK_CUR fopen > tfseek-cur-fopen.out 2>&1 + diff -c tfseek-cur-fopen.out $(srcdir)/tfseek-cur.exp + ./tfseek SEEK_CUR freopen > tfseek-cur-freopen.out 2>&1 + diff -c tfseek-cur-freopen.out $(srcdir)/tfseek-cur.exp + +twrseek: twrseek.o + $(CC) $(CFLAGS) -o twrseek twrseek.o $(STDIOLIBS) + +check-twrseek: twrseek + ./twrseek > twrseek.out 2>&1 + diff -c twrseek.out $(srcdir)/twrseek.exp + +trdseek: trdseek.o + $(CC) $(CFLAGS) -o trdseek -v trdseek.o $(STDIOLIBS) + +check-trdseek: trdseek + ./trdseek + +check-tFile-regular: tFile + ./tFile < $(srcdir)/tFile.inp > tFile.out 2>&1 + diff -c tFile.out $(srcdir)/tFile.exp +# Run tFile with cout.rdbuf() unbuffered. +check-tFile-nobuf: tFile + ./tFile -b0 < $(srcdir)/tFile.inp > tFile-buf0.out 2>&1 + diff -c tFile-buf0.out $(srcdir)/tFile.exp +# Run tFile with a 3-byte buffer for cout.rdbuf(). +check-tFile-buf3: tFile + ./tFile -b3 < $(srcdir)/tFile.inp > tFile-buf3.out 2>&1 + diff -c tFile-buf3.out $(srcdir)/tFile.exp +check-tFile: check-tFile-regular check-tFile-nobuf check-tFile-buf3 + +check-tiomisc: tiomisc + ./tiomisc >tiomisc.out 2>&1 + diff -c tiomisc.out $(srcdir)/tiomisc.exp + +tiomanip: tiomanip.o + $(CXX) $(CXXFLAGS) -o tiomanip tiomanip.o $(IOLIBS) +check-tiomanip: tiomanip + ./tiomanip >tiomanip.out 2>&1 + diff -c tiomanip.out $(srcdir)/tiomanip.exp + +tfformat: $(srcdir)/tfformat.c + $(CC) $(C_FLAGS) -DTEST_LIBIO -DTEST_EXACTNESS \ + -o tfformat $(srcdir)/tfformat.c $(IOSTDIOLIB) + +check-tfformat: tfformat + ./tfformat + +tiformat: $(srcdir)/tiformat.c + $(CC) $(C_FLAGS) -DTEST_LIBIO -o tiformat $(srcdir)/tiformat.c $(IOSTDIOLIB) + +check-tiformat: tiformat + ./tiformat + +tstdiomisc: tstdiomisc.o + $(CC) $(CFLAGS) -o tstdiomisc tstdiomisc.o $(IOSTDIOLIB) + +check-tstdiomisc: tstdiomisc + ./tstdiomisc >tstdiomisc.out 2>&1 + diff -c tstdiomisc.out $(srcdir)/tstdiomisc.exp + +tpopen: tpopen.o + $(CC) $(CFLAGS) -o tpopen tpopen.o $(STDIOLIBS) + +check-tpopen: tpopen + ./tpopen > tpopen.out 2>&1 + diff -c tpopen.out $(srcdir)/tpopen.exp + +trwseek: trwseek.o + $(CC) $(CFLAGS) -o trwseek trwseek.o $(STDIOLIBS) + +check-trwseek: trwseek + ./trwsseek TMP r+ k w o + +foo: foo.o + $(CXX) $(CXXFLAGS) -o foo foo.o $(STDIOLIBS) +foo+: foo+.o + $(CXX) $(CXXFLAGS) -o foo+ foo+.o $(IOLIBS) diff --git a/contrib/libio/tests/configure.in b/contrib/libio/tests/configure.in new file mode 100644 index 0000000..46deefb --- /dev/null +++ b/contrib/libio/tests/configure.in @@ -0,0 +1,36 @@ +# This file is a shell script fragment that supplies the information +# necessary for a configure script to process the program in +# this directory. For more information, look at ../../configure. + +configdirs= +srctrigger=tFile.cc +srcname="test C++ input/output library" +package_makefile_frag=Make.pack +package_makefile_rules_frag=Make.pack.r + +# per-host: + +# per-target: + +TO_TOPDIR=../../ +ALL=' ' +XCINCLUDES='-I. -I.. -I$(srcdir) -I$(srcdir)/..' +XCXXINCLUDES='-I. -I.. -I$(srcdir) -I$(srcdir)/..' +MOSTLYCLEAN='*.o core $(JUNK_TO_CLEAN)' +(. ${srcdir}/../config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag} + +if [ "${srcdir}" = "." ] ; then + if [ "${with_target_subdir}" != "." ] ; then + topsrcdir=${with_multisrctop}../../.. + else + topsrcdir=${with_multisrctop}../.. + fi +else + topsrcdir=${srcdir}/../.. +fi + +if [ ! -d ${topsrcdir}/gcc ] ; then + echo "CHECK = check-iostream check-iostdio" >>${package_makefile_frag} +fi + +# post-target: diff --git a/contrib/libio/tests/hounddog.cc b/contrib/libio/tests/hounddog.cc new file mode 100644 index 0000000..29a9238 --- /dev/null +++ b/contrib/libio/tests/hounddog.cc @@ -0,0 +1,85 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include <iostream.h> +#include <stdlib.h> +#include <string.h> + +// Read either "dog", "hound", or "hounddog". +// If "dog" is found, return 1. +// If "hound" is found, return 2. +// If "hounddog" is found, return 3. +// If non of these are found, return -1. +int my_scan(streambuf* sb) +{ + streammarker fence(sb); + char buffer[20]; + // Try reading "hounddog": + if (sb->sgetn(buffer, 8) == 8 && strncmp(buffer, "hounddog", 8) == 0) + return 3; + // No, no "hounddog": Backup to 'fence' ... + sb->seekmark(fence); + // ... and try reading "dog": + if (sb->sgetn(buffer, 3) == 3 && strncmp(buffer, "dog", 3) == 0) + return 1; + // No, no "dog" either: Backup to 'fence' ... + sb->seekmark(fence); + // ... and try reading "hound": + if (sb->sgetn(buffer, 5) == 5 && strncmp(buffer, "hound", 5) == 0) + return 2; + // No, no "hound" either: Backup to 'fence' and signal failure. + sb->seekmark(fence); // Backup to 'fence'.. + return -1; +} + +int main(int argc, char **argv) +{ + streambuf *sb = cin.rdbuf(); + if (argc > 1 && strncmp(argv[1], "-b", 2) == 0) { + streambuf *ret; + int buffer_size = atoi(&argv[1][2]); + if (buffer_size == 0) + ret = sb->setbuf(NULL, 0); + else + ret = sb->setbuf(new char[buffer_size], buffer_size); + if (ret != sb) + cerr << "Warning: cin.rdbuf()->setbuf failed!\n"; + } + for (;;) { + int code = my_scan(sb); + int ch = sb->sbumpc(); + if (code == -1 && ch == EOF) + break; + int n = 0; + while (ch != EOF && ch != '\n') { + n++; + ch = sb->sbumpc(); + }; + if (ch == EOF) { + cout << "[Unexpected EOF]\n"; + break; + } + cout << "Code: " << code << " followed by " << n << " chars\n"; + } +} diff --git a/contrib/libio/tests/hounddog.exp b/contrib/libio/tests/hounddog.exp new file mode 100644 index 0000000..2060807 --- /dev/null +++ b/contrib/libio/tests/hounddog.exp @@ -0,0 +1,7 @@ +Code: -1 followed by 6 chars +Code: 1 followed by 3 chars +Code: 2 followed by 0 chars +Code: -1 followed by 3 chars +Code: 3 followed by 4 chars +Code: 1 followed by 0 chars +Code: -1 followed by 3 chars diff --git a/contrib/libio/tests/hounddog.inp b/contrib/libio/tests/hounddog.inp new file mode 100644 index 0000000..370371b --- /dev/null +++ b/contrib/libio/tests/hounddog.inp @@ -0,0 +1,7 @@ +hello! +doggie +hound +cat +hounddog rat +dog +foo diff --git a/contrib/libio/tests/putbackdog.cc b/contrib/libio/tests/putbackdog.cc new file mode 100644 index 0000000..0e1ed61 --- /dev/null +++ b/contrib/libio/tests/putbackdog.cc @@ -0,0 +1,97 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +// Test streambuf::sputbackc + +#include <iostream.h> +#include <stdlib.h> +#include <string.h> + +// Read either "dog", "hound", or "hounddog". +// If "dog" is found, return 1. +// If "hound" is found, return 2. +// If "hounddog" is found, return 3. +// If non of these are found, return -1. + +void unget_string(streambuf *sb, char *str, int count) +{ + for (str += count; -- count >= 0; ) + sb->sputbackc(*--str); +} + +int my_scan(streambuf* sb) +{ + char buffer[20]; + // Try reading "hounddog": + int count; + count = sb->sgetn(buffer, 8); + if (count == 8 && strncmp(buffer, "hounddog", 8) == 0) + return 3; + // No, no "hounddog": Backup to 'fence' ... + unget_string(sb, buffer, count); + // ... and try reading "dog": + count = sb->sgetn(buffer, 3); + if (count == 3 && strncmp(buffer, "dog", 3) == 0) + return 1; + // No, no "dog" either: Backup to 'fence' ... + unget_string(sb, buffer, count); + // ... and try reading "hound": + count = sb->sgetn(buffer, 5); + if (count == 5 && strncmp(buffer, "hound", 5) == 0) + return 2; + // No, no "hound" either: Backup to 'fence' and signal failure. + unget_string(sb, buffer, count); + return -1; +} + +int main(int argc, char **argv) +{ + streambuf *sb = cin.rdbuf(); + if (argc > 1 && strncmp(argv[1], "-b", 2) == 0) { + streambuf *ret; + int buffer_size = atoi(&argv[1][2]); + if (buffer_size == 0) + ret = sb->setbuf(NULL, 0); + else + ret = sb->setbuf(new char[buffer_size], buffer_size); + if (ret != sb) + cerr << "Warning: cin.rdbuf()->setbuf failed!\n"; + } + for (;;) { + int code = my_scan(sb); + int ch = sb->sbumpc(); + if (code == -1 && ch == EOF) + break; + int n = 0; + while (ch != EOF && ch != '\n') { + n++; + ch = sb->sbumpc(); + }; + if (ch == EOF) { + cout << "[Unexpected EOF]\n"; + break; + } + cout << "Code: " << code << " followed by " << n << " chars\n"; + } +} diff --git a/contrib/libio/tests/tFile.cc b/contrib/libio/tests/tFile.cc new file mode 100644 index 0000000..42090ff --- /dev/null +++ b/contrib/libio/tests/tFile.cc @@ -0,0 +1,558 @@ +/* +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +// This may look like C code, but it is really -*- C++ -*- + +/* + * a few tests for streams + * + */ + +#include <stream.h> +#include <fstream.h> +#ifndef _OLD_STREAMS +#include <strstream.h> +#include "unistd.h" +#endif +#include <SFile.h> +#include <PlotFile.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +const char *tempfile; + +class record +{ +public: + char c; int i; double d; +}; + +ostream& operator<<(ostream& s, record& r) +{ + return(s << "(i = " << r.i << " c = " << r.c << " d = " << r.d << ")"); +} + +void t1() +{ + char ch; + + assert(cout.good()); + assert(cout.writable()); + assert(cout.is_open()); + cout << "Hello, world via cout\n"; + assert(cerr.good()); + assert(cerr.writable()); + assert(cerr.is_open()); + cerr << "Hello, world via cerr\n"; + + assert(cin.good()); + assert(cin.readable()); + assert(cin.is_open()); + + cout << "enter a char:"; cin >> ch; + cout.put('c'); cout.put(' '); cout.put('='); cout.put(' '); + cout.put('"'); cout.put(ch); cout << '"'; cout << char('\n'); + assert(cin.good()); + assert(cout.good()); +} + +void t2() +{ + int i; + short h; + long l; + float f; + double d; + char s[100]; + + cout << "enter three integers (short, int, long):"; + cin >> h; cin >> i; + // cin.scan("%ld", &l); + cin >> l; + cout << "first = " << h << " via dec = " << dec(h, 8) << "\n"; + cout << "second = " << i << form(" via form = %d = 0%o", i, i); + cout.form(" via cout.form = %d = 0x%x\n", i, i); + cout << "third = " << l << " via hex = " << hex(l) << "\n"; + assert(cin.good()); + assert(cout.good()); + + cout << "enter a float then a double:"; cin >> f; cin >> d; + cout << "first = " << f << "\n"; + cout << "second = " << d << "\n"; + assert(cin.good()); + assert(cout.good()); + + cout << "enter 5 characters separated with spaces:"; cin >> s; + cout << "first = " << s << "\n"; + cin.get(s, 100); + cout << "rest = " << s << "\n"; + + assert(cin.good()); + + cin.width(10); + cin >> s; + cin.clear(); + cout << "A 10-character buffer: " << s << endl; + + assert(cout.good()); + +} + +void t3() +{ + char ch; + cout << "\nMaking streams sout and sin..."; +#ifdef _OLD_STREAMS + ostream sout("streamfile", io_writeonly, a_create); +#else + ofstream sout("streamfile"); +#endif + assert(sout.good()); + assert(sout.is_open()); + assert(sout.writable()); + assert(!sout.readable()); + sout << "This file has one line testing output streams.\n"; + sout.close(); + assert(!sout.is_open()); +#ifdef _OLD_STREAMS + istream sin("streamfile", io_readonly, a_useonly); +#else + ifstream sin("streamfile"); +#endif + assert(sin.good()); + assert(sin.is_open()); + assert(!sin.writable()); + assert(sin.readable()); + cout << "contents of file:\n"; + while(sin >> ch) cout << ch; + sin.close(); + assert(!sin.is_open()); +} + + +void t4() +{ + char s[100]; + char ch; + int i; + + cout << "\nMaking File tf ... "; +#ifdef _OLD_STREAMS + File tf(tempfile, io_readwrite, a_create); +#else + fstream tf(tempfile, ios::in|ios::out|ios::trunc); +#endif + assert(tf.good()); + assert(tf.is_open()); + assert(tf.writable()); + assert(tf.readable()); + strcpy(s, "This is the first and only line of this file.\n"); +#ifdef _OLD_STREAMS + tf.put(s); + tf.seek(0); +#else + tf << s; + tf.rdbuf()->seekoff(0, ios::beg); +#endif + tf.get(s, 100); + assert(tf.good()); + cout << "first line of file:\n" << s << "\n"; + cout << "next char = "; + tf.get(ch); + cout << (int)ch; + cout.put('\n'); + assert(ch == 10); + strcpy(s, "Now there is a second line.\n"); + cout << "reopening tempfile, appending: " << s; +#ifdef _OLD_STREAMS + tf.open(tf.name(), io_appendonly, a_use); +#else + tf.close(); + tf.open(tempfile, ios::app); +#endif + assert(tf.good()); + assert(tf.is_open()); + assert(tf.writable()); + assert(!tf.readable()); +#ifdef _OLD_STREAMS + tf.put(s); + assert(tf.good()); + tf.open(tf.name(), io_readonly, a_use); +#else + tf << s; + assert(tf.good()); + tf.close(); + tf.open(tempfile, ios::in); +#endif + tf.raw(); + assert(tf.good()); + assert(tf.is_open()); + assert(!tf.writable()); + assert(tf.readable()); + cout << "First 10 chars via raw system read after reopen for input:\n"; + read(tf.filedesc(), s, 10); + assert(tf.good()); + for (i = 0; i < 10; ++ i) + cout.put(s[i]); + lseek(tf.filedesc(), 5, 0); + cout << "\nContents after raw lseek to pos 5:\n"; + while ( (tf.get(ch)) && (cout.put(ch)) ); +#ifdef _OLD_STREAMS + tf.remove(); +#else + tf.close(); + unlink((char*)tempfile); +#endif + assert(!tf.is_open()); +} + +void t5() +{ + record r; + int i; + cout << "\nMaking SFile rf..."; +#ifdef _OLD_STREAMS + SFile rf("recfile", sizeof(record), io_readwrite, a_create); +#else + SFile rf("recfile", sizeof(record), ios::in|ios::out|ios::trunc); +#endif + assert(rf.good()); + assert(rf.is_open()); + assert(rf.writable()); + assert(rf.readable()); + for (i = 0; i < 10; ++i) + { + r.c = i + 'a'; + r.i = i; + r.d = (double)(i) / 1000.0; + rf.put(&r); + } + assert(rf.good()); + cout << "odd elements of file in reverse order:\n"; + for (i = 9; i >= 0; i -= 2) + { + rf[i].get(&r); + assert(r.c == i + 'a'); + assert(r.i == i); + cout << r << "\n"; + } + assert(rf.good()); +#ifdef _OLD_STREAMS + rf.remove(); +#else + rf.close(); + unlink("recfile"); +#endif + assert(!rf.is_open()); +} + +void t6() +{ + cout << "\nMaking PlotFile pf ..."; + static const char plot_name[] = "plot.out"; + PlotFile pf(plot_name); + assert(pf.good()); + assert(pf.is_open()); + assert(pf.writable()); + assert(!pf.readable()); + pf.move(10,10); + pf.label("Test"); + pf.circle(300,300,200); + pf.line(100, 100, 500, 500); + assert(pf.good()); +#ifdef _OLD_STREAMS + cout << "(You may delete or attempt to plot " << pf.name() << ")\n"; +#else + cout << "(You may delete or attempt to plot " << plot_name << ")\n"; +#endif +} + +void t7() +{ + char ch; + static char t7_line1[] = "This is a string-based stream.\n"; + static char t7_line2[] = "With two lines.\n"; + char mybuf[60]; + char *bufp; +#ifdef _OLD_STREAMS + cout << "creating string-based ostream...\n"; + ostream strout(60, mybuf); +#else + cout << "creating ostrstream...\n"; + ostrstream strout(mybuf, 60); +#endif + assert(strout.good()); + assert(strout.writable()); + strout << t7_line1 << t7_line2 << ends; + assert(strout.good()); + cout << "with contents:\n"; + bufp = strout.str(); + assert(bufp == mybuf); + strout.rdbuf()->freeze(0); /* Should be a no-op */ + cout << mybuf; +#ifdef _OLD_STREAMS + cout << "using it to create string-based istream...\n"; + istream strin(strlen(mybuf), mybuf); +#else + cout << "using it to create istrstream...\n"; + istrstream strin(mybuf, strlen(mybuf)); +#endif + assert(strin.good()); + assert(strin.readable()); + cout << "with contents:\n"; +#ifndef _OLD_STREAMS + char line[100]; + strin.getline(line, 100); + int line1_len = strlen(t7_line1); + assert(strin.tellg() == line1_len); + int line_len = strin.gcount(); + assert(line_len == line1_len); + cout.write(line, line1_len - 1); + cout << endl; +#endif + while (strin.get(ch)) cout.put(ch); + + strstream str1; + strstream str2; + str1 << "Testing string-based stream using strstream.\n"; + str1.seekg(0); + for (;;) { + int i = str1.get(); + if (i == EOF) + break; + str2 << (char)i; + } + str2 << ends; + cout << str2.str(); + + // This should make it overflow. + strout << t7_line1; + assert (strout.bad()); +} + +void t8() +{ +#ifdef _OLD_STREAMS + cout << "\nThe following file open should generate error message:"; + cout.flush(); + File ef("shouldnotexist", io_readonly, a_useonly); +#else + ifstream ef("shouldnotexist"); +#endif + assert(!ef.good()); + assert(!ef.is_open()); +} + +void t9() +{ + char ch; + static char ffile_name[] = "ftmp"; + { + cout << "\nMaking filebuf streams fout and fin..."; + filebuf foutbuf; +#ifdef _OLD_STREAMS + foutbuf.open(ffile_name, output); +#else + foutbuf.open(ffile_name, ios::out); +#endif + ostream fout(&foutbuf); + assert(fout.good()); + assert(fout.is_open()); + assert(fout.writable()); + assert(!fout.readable()); + fout << "This file has one line testing output streams.\n"; +#ifdef _OLD_STREAMS + fout.close(); + assert(!fout.is_open()); +#endif + } + filebuf finbuf; +#ifdef _OLD_STREAMS + finbuf.open(ffile_name, input); +#else + finbuf.open(ffile_name, ios::in); +#endif + istream fin(&finbuf); + assert(fin.good()); + assert(fin.is_open()); + assert(!fin.writable()); + assert(fin.readable()); + cout << "contents of file:\n"; + while(fin >> ch) cout << ch; +#ifndef _OLD_STREAMS + cout << '\n'; +#endif + fin.close(); + assert(!fin.is_open()); +} + +void t10() +{ + int fileCnt = 3; + char *file_name_pattern = "ftmp%d"; + char current_file_name[50]; + ifstream inFile; + ofstream outFile; + char c; + int i; + + cout << '\n'; + + // Write some files. + for (i=0; i < fileCnt; i++) { + sprintf(current_file_name, file_name_pattern, i); + outFile.open(current_file_name, ios::out); + + if ( outFile.fail() ) + cerr << "File " << current_file_name + << " can't be opened for output" << endl; + else { + outFile << "This is line 1 of " << current_file_name << '\n'; + outFile << "This is line 2 of " << current_file_name << endl; + outFile.close(); + } + } + + // Now read the files back in, and write then out to cout. + for (i=0; i < fileCnt; i++) { + sprintf(current_file_name, file_name_pattern, i); + inFile.open(current_file_name, ios::in); + + + if ( inFile.fail() ) + cerr << "File " << current_file_name + << " can't be opened for input" << endl; + else { + while ( inFile.get (c)) + cout << c; + cout << endl; + inFile.close(); + } + } +} + +// Test form + +void t11() +{ + int count1, count2; + cout.form("%.2f+%.2f = %4.3e\n%n", 5.5, 6.25, 5.5+6.25, &count1); + char *text = "Previous line has12345"; + char text_length_to_use = strlen(text) - 5; + count2 = cout.rdbuf()->form("%-*.*s%3g characters\n", + text_length_to_use + 1, + text_length_to_use, + text, + (double)(count1-1)); + cout.form("%-*.*s%+d characters\n%n", + text_length_to_use + 1, text_length_to_use, text, + count2-1, &count1); + assert(count1 == 33); +} + +static void +show_int (long val) +{ + cout.setf(ios::showbase); + cout << dec; cout.width (8); cout << val << "(dec) = "; + cout << hex; cout.width (8); cout << (0xFFFF & val) << "(hex) = "; + cout << oct; cout.width (8); + cout << (0xFFFF & val) << "(oct) [showbase on]\n"; + cout.unsetf(ios::showbase); + cout << dec; cout.width (8); cout << val << "(dec) = "; + cout << hex; cout.width (8); cout << (0xFFFF & val) << "(hex) = "; + cout << oct; cout.width (8); + cout << (0xFFFF & val) << "(oct) [showbase off]\n"; +} + +void +t12 () +{ + ios::fmtflags old_flags = cout.setf(ios::showpos); + int fill = cout.fill('_'); + cout.unsetf(ios::uppercase); + cout.setf(ios::internal, ios::adjustfield); + show_int(34567); + show_int(-34567); + cout.setf(ios::right, ios::adjustfield); + show_int(0); + cout.setf(ios::uppercase); + cout.unsetf(ios::showpos); + show_int(34567); + cout.setf(ios::left, ios::adjustfield); + show_int(-34567); + cout.fill(fill); + show_int(0); + cout.setf(old_flags, + ios::adjustfield|ios::basefield + |ios::showbase|ios::showpos|ios::uppercase); +} + +main(int argc, char **argv) +{ + char temp [1024] = "tempfile"; + + if (argc > 1 && strncmp(argv[1], "-b", 2) == 0) { + streambuf *sb = cout.rdbuf(); + streambuf *ret; + int buffer_size = atoi(&argv[1][2]); + if (buffer_size == 0) + ret = sb->setbuf(NULL, 0); + else + ret = sb->setbuf(new char[buffer_size], buffer_size); + if (ret != sb) + cerr << "Warning: cout.rdbuf()->setbuf failed!\n"; + + strncpy (&temp [8], &argv[1][2], 1000); + temp [1008] = '\0'; + } + tempfile = temp; + t1(); + t2(); + t3(); + t4(); + t5(); + t6(); + t7(); + t9(); + t8(); + t10(); + t11(); + t12(); + + cout << "Final names & states:\n"; +#ifdef _OLD_STREAMS + cout << "cin: " << cin.name() << "\t" << cin.rdstate() << "\n"; + cout << "cout: " << cout.name() << "\t" << cout.rdstate() << "\n"; + cout << "cerr: " << cerr.name() << "\t" << cerr.rdstate() << "\n"; +#else + cout << "cin: " << "(stdin)" << "\t" << cin.rdstate() << "\n"; + cout << "cout: " << "(stdout)" << "\t" << cout.rdstate() << "\n"; + cout << "cerr: " << "(stderr)" << "\t" << cerr.rdstate() << "\n"; +#endif + cout << "\nend of test.\n"; +} diff --git a/contrib/libio/tests/tFile.exp b/contrib/libio/tests/tFile.exp new file mode 100644 index 0000000..154cd24 --- /dev/null +++ b/contrib/libio/tests/tFile.exp @@ -0,0 +1,75 @@ +Hello, world via cout +Hello, world via cerr +enter a char:c = "a" +enter three integers (short, int, long):first = 123 via dec = 123 +second = 4567 via form = 4567 = 010727 via cout.form = 4567 = 0x11d7 +third = 89012 via hex = 15bb4 +enter a float then a double:first = 123.456 +second = -0.012 +enter 5 characters separated with spaces:first = 1 +rest = 2 3 4 5 +A 10-character buffer: abcdefghi + +Making streams sout and sin...contents of file: +Thisfilehasonelinetestingoutputstreams. +Making File tf ... first line of file: +This is the first and only line of this file. +next char = 10 +reopening tempfile, appending: Now there is a second line. +First 10 chars via raw system read after reopen for input: +This is th +Contents after raw lseek to pos 5: +is the first and only line of this file. +Now there is a second line. + +Making SFile rf...odd elements of file in reverse order: +(i = 9 c = j d = 0.009) +(i = 7 c = h d = 0.007) +(i = 5 c = f d = 0.005) +(i = 3 c = d d = 0.003) +(i = 1 c = b d = 0.001) + +Making PlotFile pf ...(You may delete or attempt to plot plot.out) +creating ostrstream... +with contents: +This is a string-based stream. +With two lines. +using it to create istrstream... +with contents: +This is a string-based stream. +With two lines. +Testing string-based stream using strstream. + +Making filebuf streams fout and fin...contents of file: +Thisfilehasonelinetestingoutputstreams. + +This is line 1 of ftmp0 +This is line 2 of ftmp0 + +This is line 1 of ftmp1 +This is line 2 of ftmp1 + +This is line 1 of ftmp2 +This is line 2 of ftmp2 + +5.50+6.25 = 1.175e+01 +Previous line has 21 characters +Previous line has +32 characters ++__34567(dec) = 0x__8707(hex) = _0103407(oct) [showbase on] ++__34567(dec) = ____8707(hex) = __103407(oct) [showbase off] +-__34567(dec) = 0x__78f9(hex) = __074371(oct) [showbase on] +-__34567(dec) = ____78f9(hex) = ___74371(oct) [showbase off] +______+0(dec) = _____0x0(hex) = _______0(oct) [showbase on] +______+0(dec) = _______0(hex) = _______0(oct) [showbase off] +___34567(dec) = __0X8707(hex) = _0103407(oct) [showbase on] +___34567(dec) = ____8707(hex) = __103407(oct) [showbase off] +-34567__(dec) = 0X78F9__(hex) = 074371__(oct) [showbase on] +-34567__(dec) = 78F9____(hex) = 74371___(oct) [showbase off] +0 (dec) = 0X0 (hex) = 0 (oct) [showbase on] +0 (dec) = 0 (hex) = 0 (oct) [showbase off] +Final names & states: +cin: (stdin) 0 +cout: (stdout) 0 +cerr: (stderr) 0 + +end of test. diff --git a/contrib/libio/tests/tFile.inp b/contrib/libio/tests/tFile.inp new file mode 100644 index 0000000..5b821ef --- /dev/null +++ b/contrib/libio/tests/tFile.inp @@ -0,0 +1,5 @@ +a +123 4567 89012 +123.456 -1.2e-2 +1 2 3 4 5 +abcdefghijklmnop diff --git a/contrib/libio/tests/tfformat.c b/contrib/libio/tests/tfformat.c new file mode 100644 index 0000000..29bac8b --- /dev/null +++ b/contrib/libio/tests/tfformat.c @@ -0,0 +1,4181 @@ +#ifdef TEST_LIBIO +#include <iostdio.h> +#else +#ifdef __cplusplus +#include <strstream.h> +#else +#include <stdio.h> +#endif +#endif /* !TEST_LIBIO */ + +/* Tests taken from Cygnus C library. */ + +typedef struct +{ + int line; + double value; + char *result; + char *format_string; +} sprint_double_type; + +sprint_double_type sprint_doubles[] = +{ +__LINE__, 30.3, "< +30.3>", "<%+15.10g>", +__LINE__, 10.0, "<10.00>", "<%5.2f>", + +__LINE__, 1.002121970718271e+05, "100212.19707 ", "%0-15.5f", +__LINE__, -1.002121970718271e+05, 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+__LINE__, 9.587709102390903e-01, " 1", "%2.f", +__LINE__, 9.592723000828453e-02, "9.592723E-02", "%5E", +__LINE__, 9.603430008794172e+27, "9.60343e+27", "%g", +__LINE__, 9.622648414989433e-18, "9.622648e-18", "%1e", +__LINE__, 9.633326171289319e-23, "9.633326e-23", "%e", +__LINE__, 9.662064616152408e+19, "96620646161524081918.5146393", "%1.7f", +__LINE__, 9.668544846563163e-23, "9.668545e-23", "%e", +__LINE__, 9.691014191346685e+28, "9.69101E+28", "%G", +__LINE__, 9.693075414840598e+02, "+969.308", "%+G", +__LINE__, 9.695013453291907e-30, "9.695013e-30", "%5e", +__LINE__, 9.705983477801926e-24, "9.70598e-24", "%g", +__LINE__, 9.709022568030226e-17, "0.000000", "%f", +__LINE__, 9.715194901854826e+20, "9.715195e+20", "%e", +__LINE__, 9.721011821337717e+16, "1E+17", "%0.G", +__LINE__, 9.734895542899672e+14, "9.734896e+14", "%e", +__LINE__, 9.741486438769710e-29, " 1e-28", "%6.g", +__LINE__, 9.766657482315475e-24, "9.76666E-24", "%7G", +__LINE__, 9.767283293054552e-02, "0.09767", "%5.5f", +__LINE__, 9.769553159146005e-20, "9.76955E-20", "%G", +__LINE__, 9.777220880605434e-10, "0.00", "%4.2f", +__LINE__, 9.790290569034575e+20, "979029056903457473027.", "%#6.f", +__LINE__, 9.793128245822718e-01, "0.979313", "%G", +__LINE__, 9.804758536498200e+08, "980475853.650", "%.3f", +__LINE__, 9.816883664191066e-02, "0.1", "%.0g", +__LINE__, 9.836109821010300e+25, "9.83611e+25", "%g", +__LINE__, 9.846197559631225e+03, "1E+04", "%2.G", +__LINE__, 9.863289416819924e+12, "9.86329e+12", "%g", +__LINE__, 9.865893798657353e+12, "9.866e+12", "%0.4g", +__LINE__, 9.868248446640862e-15, "0.000000", "%#f", +__LINE__, 9.869973080775134e+04, "98699.7", "%G", +__LINE__, 9.899444006312953e+20, "1E+21", "%.1G", +__LINE__, 9.904083146074285e-08, "9.904083e-08", "%6e", +__LINE__, 9.909790408255471e+15, "9909790408255471.305665", "%f", +__LINE__, 9.930297455798394e-13, "+9.930297E-13", "%+5.6E", +__LINE__, 9.933314448709083e-15, "9.93331E-15", "%#.6G", +__LINE__, 9.938714530509870e+29, "9.938715e+29", "%e", +__LINE__, 9.953892603540162e+07, "9.95389E+07", "%G", +__LINE__, 9.962084643867200e+14, "+996208464386720.038419", "%+f", +__LINE__, 9.977706708809947e-09, "9.9777E-09", "%#.4E", +#endif +__LINE__, 9.978034352999867e+15, "9.978034e+15", "%2.6e", +__LINE__, 9.998315286730175e-30, "9.998315e-30", "%6e", + +0 +}; + +/* matches(s1, s2) is true if s1 is "approximately" equal to s2. + Any digits after the first required_precision digits do not have to match. + */ + +int required_precision = 13; + +#if defined(__STDC__) || defined(__cplusplus) +int matches(register char *result, register char *desired) +#else +int matches(result, desired) + register char *result; register char *desired; +#endif +{ + int digits_seen = 0; + for (;; result++, desired++) { + if (*result == *desired) { + if (*result == 0) + return 1; + else if (*result >= '0' && *result <= '9') + digits_seen++; + } + else if (digits_seen >= required_precision + && *result >= '0' && *result <= '9' + && *desired >= '0' && *desired <= '9') + continue; + else + return 0; + } +} + +extern void dump_stats(); + +int main() +{ + int errcount = 0; + int testcount = 0; + double d; +#define BSIZE 1024 + char buffer[BSIZE]; + sprint_double_type *dptr; + + /* This test demands more precision than a 32bit floating + point format can provide. So only run it if doubles + are last least 64bits wide. */ + if (sizeof (double) < 8) + exit (0); + +#if defined(__cplusplus) && !defined(TEST_LIBIO) + + strstream sstr(buffer, BSIZE, ios::in|ios::out); + + for (dptr = sprint_doubles; dptr->line; dptr++) + { + +#ifdef SLOW_SIMULATOR + /* We only run half the tests if we have a slow simulator to + avoid dejagnu timeouts. */ + if (testcount % 2) + { + testcount++; + continue; + } +#endif + + sstr.seekp(0); + sstr.form(dptr->format_string, dptr->value); + sstr << ends; + if (!matches(buffer, dptr->result)) + { + errcount++; + cerr << "Error in line " << dptr->line; + cerr << " using \"" << dptr->format_string; + cerr << "\". Result is \"" << buffer << "\"; should be: \""; + cerr << dptr->result << "\".\n"; + } + +#ifdef TEST_EXACTNESS + sstr.seekp(0); + sstr.form("%.999g", dptr->value); + sstr << ends; + + sstr.seekg(0); + sstr.scan("%lg", &d); + + if (dptr->value != d) + { + errcount++; + cerr << "Error in line " << dptr->line; + cerr << ". String is \"" << buffer << "\", value is " << d << ".\n"; + } +#endif + testcount++; + } + +#ifdef SLOW_SIMULATOR + testcount /= 2; +#endif + + if (errcount == 0) + { + cerr << "Encountered no errors in " << testcount << " tests.\n"; + return 0; + } + else + { + cerr << "Encountered " << errcount << " errors in " + << testcount << " tests.\n"; + return 1; + } +#else + for (dptr = sprint_doubles; dptr->line; dptr++) + { +#ifdef SLOW_SIMULATOR + /* We only run half the tests if we have a slow simulator to + avoid dejagnu timeouts. */ + if (testcount % 2) + { + testcount++; + continue; + } +#endif + + sprintf (buffer, dptr->format_string, dptr->value); + if (!matches(buffer, dptr->result)) + { + errcount++; + fprintf(stderr, + "Error in line %d using \"%s\". Result is \"%s\"; should be: \"%s\".\n", + dptr->line, dptr->format_string, buffer, dptr->result); + } + +#ifdef TEST_EXACTNESS + sprintf (buffer, "%.999g", dptr->value); + sscanf (buffer, "%lg", &d); + if (dptr->value != d) + { + errcount++; + fprintf (stderr, + "Error in line %d. String is \"%s\", value is %g.\n", + dptr->line, buffer, d); + } +#endif + testcount++; + } + +#ifdef SLOW_SIMULATOR + testcount /= 2; +#endif + + if (errcount == 0) + { + fprintf(stderr, "Encountered no errors in %d tests.\n", testcount); + return 0; + } + else + { + fprintf(stderr, "Encountered %d errors in %d tests.\n", + errcount, testcount); + return 1; + } +#endif +} diff --git a/contrib/libio/tests/tiformat.c b/contrib/libio/tests/tiformat.c new file mode 100644 index 0000000..78d09ce --- /dev/null +++ b/contrib/libio/tests/tiformat.c @@ -0,0 +1,5112 @@ +#ifdef TEST_LIBIO +#include <iostdio.h> +#else +#ifdef __cplusplus +#include <strstream.h> +#else +#include <stdio.h> +#endif +#endif /* !TEST_LIBIO */ +#include <string.h> + +/* Tests taken from Cygnus C library. */ +typedef struct { + int line; + long value; + char *result; + char *format_string; +} sprint_int_type; + +sprint_int_type sprint_ints[] = +{ +__LINE__, 0x000838d2L, "838d2", "%.4x", +__LINE__, 0x0063be46L, "63BE46", 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"0123456", "%#o", +__LINE__, 0000123456L, "00123456", "%#.8o", +__LINE__, 0000123456L, " 00123456", "%#10.8o", +__LINE__, 0x00000123L, "0x00123", "%#07x", + +0, +}; + +int main() +{ + int errcount = 0; + int testcount = 0; +#define BSIZE 1024 + char buffer[BSIZE]; + sprint_int_type *iptr; +#if defined(__cplusplus) && !defined(TEST_LIBIO) + + ostrstream sstr(buffer, BSIZE); + + for (iptr = sprint_ints; iptr->line; iptr++) { + sstr.seekp(0); + sstr.form(iptr->format_string, iptr->value); + sstr << ends; + if (strcmp(buffer, iptr->result) != 0) { + errcount++; + cerr << "Error in line " << iptr->line; + cerr << " using \"" << iptr->format_string; + cerr << "\". Result is \"" << buffer << "\"; should be: \""; + cerr << iptr->result << "\".\n"; + } + testcount++; + } + + + if (errcount == 0) { + cerr << "Encountered no errors in " << testcount << " tests.\n"; + return 0; + } + else { + cerr << "Encountered " << errcount << " errors in " + << testcount << " tests.\n"; + return 1; + } +#else + for (iptr = sprint_ints; iptr->line; iptr++) + { + if (sizeof(int)==2) + { + /* Cheezy, but effective. */ + char buf[30]; + int len = strlen(iptr->format_string); + + strcpy(buf, iptr->format_string); + if(buf[len-2] != 'l') { + buf[len] = buf[len-1]; + buf[len-1] = 'l'; + buf[len+1] = 0; + } + sprintf(buffer, buf, iptr->value); + } + else + { + sprintf(buffer, iptr->format_string, iptr->value); + } + if (strcmp(buffer, iptr->result) != 0) { + errcount++; + fprintf(stderr, + "Error in line %d using \"%s\". Result is \"%s\"; should be: \"%s\".\n", + iptr->line, iptr->format_string, buffer, iptr->result); + fprintf(stderr,"%ld\n",iptr->value); + } + testcount++; + } + + if (errcount == 0) { + fprintf(stderr, "Encountered no errors in %d tests.\n", testcount); + return 0; + } + else { + fprintf(stderr, "Encountered %d errors in %d tests.\n", + errcount, testcount); + return 1; + } +#endif +} diff --git a/contrib/libio/tests/tiomanip.cc b/contrib/libio/tests/tiomanip.cc new file mode 100644 index 0000000..b7dd08a --- /dev/null +++ b/contrib/libio/tests/tiomanip.cc @@ -0,0 +1,35 @@ +// test the parametrized manipulators + +#include <stdlib.h> +#include <iomanip.h> + +main() +{ +#ifdef _G_NO_TEMPLATES + cerr << "(IO manipulators are not supported with this compiler)\n"); + exit(-1); +#else + + cout << dec << 1234 << ' ' + << hex << 1234 << ' ' + << oct << 1234 << endl; + + //SMANIP<int> x = setw(4); + //operator<<(cout, x); + + cout + << "(" + << dec << setw(4) << setfill('*') + << 12 << ")\n"; + + cout << "(" << 12 << ")\n"; + + cout << setiosflags(ios::internal); + cout << "(" << setw(6) << -12 << ")\n"; + + exit(0); +#endif +} + + + diff --git a/contrib/libio/tests/tiomanip.exp b/contrib/libio/tests/tiomanip.exp new file mode 100644 index 0000000..7a0a7ea5 --- /dev/null +++ b/contrib/libio/tests/tiomanip.exp @@ -0,0 +1,4 @@ +1234 4d2 2322 +(**12) +(12) +(-***12) diff --git a/contrib/libio/tests/tiomisc.cc b/contrib/libio/tests/tiomisc.cc new file mode 100644 index 0000000..207a3f16 --- /dev/null +++ b/contrib/libio/tests/tiomisc.cc @@ -0,0 +1,236 @@ +/* Random regression tests etc. */ + +#include <fstream.h> +#include <stdio.h> +#include <strstream.h> +#include <string.h> +#include <fcntl.h> +#include <stdlib.h> +#include <assert.h> + +#define BUF_SIZE 4096 + +void +test1 () +{ + fstream f; + char buf[BUF_SIZE]; + + f.setbuf( buf, BUF_SIZE ); +} + +void +test2 ( ) +{ + char string[BUF_SIZE]; + ostrstream s( string, BUF_SIZE ); + + s << "Bla bla bla " << 55 << ' ' << 3.23 << '\0' << endl; + cout << "Test2: " << string << endl; +} + + +/* Test case from Joe Buck <jbuck@Synopsys.COM>. */ + +class special_ofstream : public ofstream { +public: + special_ofstream() : ofstream() {} + special_ofstream(int fd) : ofstream(fd) {} + special_ofstream(const char *name, int mode=ios::out, int prot=0664) { + open(name,mode,prot); + } + void open(const char *name, int mode=ios::out, int prot=0664); +}; + +void special_ofstream::open(const char* name, int mode, int prot) { + if (strcmp(name, "<cout>") == 0) { + rdbuf()->attach(1); + } + else if (strcmp(name, "<cerr>") == 0) { + rdbuf()->attach(2); + setf(unitbuf); + } + else ofstream::open(name,mode,prot); +} + +void +test3 () +{ + { + special_ofstream o("<cout>"); + o << "Hello\n"; + // o is destructed now. This should not close cout + } + { + special_ofstream o("<cout>"); + o << "Line 2\n"; + } +} + +void +getline_test1 () +{ + char buf[1000]; + char data[] = "#include <iostream.h>\n#include <fstream.h>\n"; + istrstream infile(data, strlen(data)); + infile.getline(buf,1000); + infile.getline(buf,1000); + + cout << buf << '\n'; +} + +// test istream::getline on readng overlong lines. +void +getline_test2 () +{ + char data[] = "Line one.\nline 2.\n"; + char line[100]; + istrstream strin(data, strlen(data)); + strin.getline(line, 10); + cout << "line: " << line << ", count: " << strin.gcount () << "\n"; +} + +void +getline_test3 () +{ + char data[] = "123456789\nabcdefghijkl.\n"; + char line[10]; + istrstream strin(data, strlen(data)); + strin.getline(line, 10); + cout << "line: " << line << ", count: " << strin.gcount () << "\n"; + strin.getline(line, 10); + cout << "line: " << line << ", count: " << strin.gcount () << "\n"; + assert (!strin.good()); + strin.clear (); + strin.getline(line, 10); + cout << "line: " << line << ", count: " << strin.gcount () << "\n"; +} + +class A : private ostream +{ +public: + A(streambuf* s); + ostream::flush; +}; +A::A(streambuf* s) +: ostream(s) +{ +} + +void +flush1_test() +{ + A os(cout.rdbuf()); + os.flush(); +} + +void +reread_test () +{ // This is PR 5486. + int tag_char; + char *fname = "Makefile"; + int mode = O_RDONLY; + filebuf file_p; + + int fd = ::open(fname, mode, 0666); + file_p.attach(fd); + + istream d_istream(&file_p); + + // Read a character from the stream, save it and put it back. + tag_char = d_istream.get(); + int save_char = tag_char; + d_istream.putback((char) tag_char); + + // Uncomment then next statement and the next get will be EOF. + streampos pos = d_istream.tellg(); + + // Re-read the first character + tag_char = d_istream.get(); + + cout << "reread_test: " << (char)save_char << " " << (char)tag_char << "\n"; + cout.flush(); + +} + +void *danger_pointer; +void operator delete (void *p) throw() +{ + if (p) + { + if (p == danger_pointer) + fprintf (stderr, "maybe deleted\n"); + + free (p); + } +} + +struct my_ostream: virtual public ios, public ostream +{ + my_ostream (ostream &s): ios (s.rdbuf()) { } +}; + +void +test_destroy () +{ + ofstream fstr ("foo.dat"); + my_ostream wa (fstr); + + /* Check that sure wa.rdbuf() is only freed once. */ + danger_pointer = wa.rdbuf (); + + wa << "Hi there" << endl; +#ifdef _IO_NEW_STREAMS + fprintf (stderr, "maybe deleted\n"); +#endif +} + +/* Submitted by Luke Blanshard <luke@cs.wisc.edu>. + + In certain circumstances, the library will write past the end of the + buffer it has allocated for a file: You must read from the file, + exactly enough bytes that the read pointer is at the end of the + buffer. Then you must write to the file, at the same place you just + finished reading from. + + "Your patch looks great, and you're welcome to use the test code for any + purpose whatever. I hereby renounce my implicit copyright on it." */ + +void +test_read_write_flush () +{ + fstream f; + char buf[8192]; + + for ( int index=0; index < sizeof buf; ++index ) + buf[index] = (index+1)&63? 'x' : '\n'; + + f.open( "foo.dat", ios::in|ios::out|ios::trunc ); + f.write( buf, sizeof buf ); + + f.seekg( 0, ios::beg ); + f.read( buf, sizeof buf ); + +// f.seekp( sizeof buf, ios::beg ); // Present or absent, bug still happens. + f.write( "a", 1 ); + + if ( f.rdbuf()->_IO_write_ptr > f.rdbuf()->_IO_buf_end ) + cerr << "test_read_write_flush: it's broken.\n"; + else + cout << "test_read_write_flush: the problem isn't showing itself.\n"; +} + +int main( ) +{ + test1 (); + test2 (); + test3 (); + getline_test1 (); + getline_test2 (); + getline_test3 (); + flush1_test (); + reread_test (); + test_destroy (); + test_read_write_flush (); + return 0; +} diff --git a/contrib/libio/tests/tiomisc.exp b/contrib/libio/tests/tiomisc.exp new file mode 100644 index 0000000..26a3acd --- /dev/null +++ b/contrib/libio/tests/tiomisc.exp @@ -0,0 +1,11 @@ +Test2: Bla bla bla 55 3.23 +Hello +Line 2 +#include <fstream.h> +line: Line one., count: 10 +line: 123456789, count: 10 +line: abcdefghi, count: 9 +line: jkl., count: 5 +reread_test: # # +maybe deleted +test_read_write_flush: the problem isn't showing itself. diff --git a/contrib/libio/tests/tstdiomisc.c b/contrib/libio/tests/tstdiomisc.c new file mode 100644 index 0000000..cd8e88f --- /dev/null +++ b/contrib/libio/tests/tstdiomisc.c @@ -0,0 +1,43 @@ +#ifndef STDIO_H +#define STDIO_H <iostdio.h> +#endif +#include STDIO_H + +void +t1 () +{ + int n = -1; + sscanf ("abc ", "abc %n", &n); + printf ("t1: count=%d\n", n); +} + +void +t2 () +{ + int n; + long N; + int retval; +#define SCAN(INPUT, FORMAT, VAR) \ + VAR = -1; \ + retval = sscanf (INPUT, FORMAT, &VAR); \ + printf ("sscanf (\"%s\", \"%s\", &x) => %d, x = %ld\n", \ + INPUT, FORMAT, retval, (long)VAR); + + SCAN ("12345", "%ld", N); + SCAN ("12345", "%llllld", N); + SCAN ("12345", "%LLLLLd", N); + SCAN ("test ", "%*s%n", n); + SCAN ("test ", "%2*s%n", n); + SCAN ("12 ", "%l2d", n); + SCAN ("12 ", "%2ld", N); +} + +int +main () +{ + t1 (); + t2 (); + + fflush (stdout); + return 0; +} diff --git a/contrib/libio/tests/tstdiomisc.exp b/contrib/libio/tests/tstdiomisc.exp new file mode 100644 index 0000000..b8ee02d --- /dev/null +++ b/contrib/libio/tests/tstdiomisc.exp @@ -0,0 +1,8 @@ +t1: count=5 +sscanf ("12345", "%ld", &x) => 1, x = 12345 +sscanf ("12345", "%llllld", &x) => 0, x = -1 +sscanf ("12345", "%LLLLLd", &x) => 0, x = -1 +sscanf ("test ", "%*s%n", &x) => 0, x = 4 +sscanf ("test ", "%2*s%n", &x) => 0, x = -1 +sscanf ("12 ", "%l2d", &x) => 0, x = -1 +sscanf ("12 ", "%2ld", &x) => 1, x = 12 diff --git a/contrib/libio/testsuite/ChangeLog b/contrib/libio/testsuite/ChangeLog new file mode 100644 index 0000000..c7c1fcf --- /dev/null +++ b/contrib/libio/testsuite/ChangeLog @@ -0,0 +1,74 @@ +Sun Mar 14 02:38:07 PST 1999 Jeff Law (law@cygnus.com) + + * egcs-1.1.2 Released. + +Sat Jun 27 23:59:35 1998 Carlo Wood <carlo@runaway.xs4all.nl> + + * lib/libio.exp (test_libio): Reset ld_library_path before appending + the same path(s) again. + +Sat Sep 6 00:49:31 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * lib/libio.exp (test_libio): Lose -L.. before -lio, may as well + require things be fully usable. Not ideal, but...also no longer + have the -liostream approach. + +Fri Sep 5 15:38:37 1997 Jeffrey A Law (law@cygnus.com) + + * lib/libio.exp (test_libio): Use libstdc++_{include,link}_flags + instead of g++_{include,link}_flags. + +Thu Sep 4 15:22:46 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * lib/libio.exp (test_libio): Add `-L..' before -lio. + Use `-L.. -liostream' for now. + +Fri Jun 27 18:19:21 1997 Bob Manson <manson@charmed.cygnus.com> + + * lib/libio.exp(libio_init): New procedure. + (test_libio): Link with a status wrapper if necessary. Strip + leading newlines before comparing output. Look for a multilib + libiberty directory. + +Tue Jun 3 15:17:31 1997 Bob Manson <manson@charmed.cygnus.com> + + * lib/libio.exp: Don't use global exec_output variable; the output + is returned from remote_load instead. + +Tue May 20 17:59:31 1997 Jeffrey A Law (law@cygnus.com) + + * lib/libio.exp: If "slow_simulator" is set, then add + -DSLOW_SIMULATOR to the compiler's arguments. + +Fri May 16 19:33:39 1997 Bob Manson <manson@charmed.cygnus.com> + + * lib/libio.exp: Name the executables after the testcases. + + * libio.tests/tiomisc.exp: Turn off warnings when conpiling. + +Thu May 1 17:01:47 1997 Bob Manson <manson@charmed.cygnus.com> + + * lib/libio.exp: Link in libiberty.a. + +Tue Apr 29 16:34:37 1997 Mike Stump <mrs@cygnus.com> + + * testsuite/lib/libio.exp: Fixup so that we always have the same + number of testcases, and so that we have meaningful testcase + names. + +Tue Apr 29 13:08:41 1997 Bob Manson <manson@charmed.cygnus.com> + + * lib/libio.exp: Add support for --tool_opts. + +Mon Apr 28 11:26:06 1997 Bob Manson <manson@charmed.cygnus.com> + + * Makefile.in: Removed clean rule, as it is added by configure. + Remove a lot of unused rules. + +Sun Apr 27 15:02:48 1997 Brendan Kehoe <brendan@lisa.cygnus.com> + + * Makefile.in (clean): Add empty rule for now. + +Sat Apr 26 13:41:44 1997 Bob Manson <manson@charmed.cygnus.com> + + * New DejaGnu-style testsuite. diff --git a/contrib/libio/testsuite/Makefile.in b/contrib/libio/testsuite/Makefile.in new file mode 100644 index 0000000..7546524 --- /dev/null +++ b/contrib/libio/testsuite/Makefile.in @@ -0,0 +1,89 @@ +# Copyright (C) 1997 Free Software Foundation +# +# This file is part of the GNU IO Library. This library is free +# software; you can redistribute it and/or modify it under the +# terms of the GNU General Public License as published by the +# Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU CC; see the file COPYING. If not, write to +# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +srcdir = libio.tests + +CFLAGS = -g +C_FLAGS = $(CFLAGS) -I. -I.. -I$(srcdir) -I$(srcdir)/.. +CXXFLAGS = -g +CC = gcc +CXX = gcc + +EXPECT = `if [ -f $${rootme}/../../expect/expect ] ; then \ + echo $${rootme}/../../expect/expect ; \ + else echo expect ; fi` + +RUNTEST = $(RUNTEST_FOR_TARGET) + +RUNTESTFLAGS = + +RUNTEST_FOR_TARGET = `\ + if [ -f $${srcdir}/../../dejagnu/runtest ]; then \ + echo $${srcdir}/../../dejagnu/runtest; \ + else \ + if [ "$(host_canonical)" = "$(target_canonical)" ]; then \ + echo runtest; \ + else \ + t='$(program_transform_name)'; echo runtest | sed -e '' $$t; \ + fi; \ + fi` + +#### package, host, target, and site dependent Makefile fragments come in here. +## + +# See ${MOSTLYCLEAN} in configure.in +JUNK_TO_CLEAN = tFile tiomisc hounddog putbackdog tiomanip \ + t?format *.out streamfile ftmp* tstdiomisc foo.dat + +.PHONY: info +info: +.PHONY: clean-info +clean-info: +.PHONY: install-info +install-info: + +check: all just-check + +site.exp: ./config.status Makefile + @echo "Making a new config file..." + -@rm -f ./tmp? + @touch site.exp + -@mv site.exp site.bak + @echo "## these variables are automatically generated by make ##" > ./tmp0 + @echo "# Do not edit here. If you wish to override these values" >> ./tmp0 + @echo "# add them to the last section" >> ./tmp0 + @echo "set host_alias $(host_alias)" >> ./tmp0 + @echo "set host_triplet ${host_canonical}" >> ./tmp0 + @echo "set target_alias $(target_alias)" >> ./tmp0 + @echo "set target_triplet ${target_canonical}" >> ./tmp0 + @echo "set build_triplet ${build_canonical}" >> ./tmp0 + @echo "set srcdir ${srcdir}" >> ./tmp0 + @echo "set tool libio" >> ./tmp0 + @echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0 + @cat ./tmp0 > site.exp + @cat site.bak | sed \ + -e '1,/^## All variables above are.*##/ d' >> site.exp + -@rm -f ./tmp? + +just-check: site.exp + rootme=`pwd`; export rootme; \ + srcdir=${srcdir} ; export srcdir ; \ + EXPECT=${EXPECT} ; export EXPECT ; \ + if [ -f $${rootme}/../../expect/expect ] ; then \ + TCL_LIBRARY=$${srcdir}/../../tcl/library ; \ + export TCL_LIBRARY ; fi ; \ + $(RUNTEST) $(RUNTESTFLAGS) diff --git a/contrib/libio/testsuite/config/default.exp b/contrib/libio/testsuite/config/default.exp new file mode 100644 index 0000000..90967cc --- /dev/null +++ b/contrib/libio/testsuite/config/default.exp @@ -0,0 +1 @@ +load_lib "standard.exp" diff --git a/contrib/libio/testsuite/configure.in b/contrib/libio/testsuite/configure.in new file mode 100644 index 0000000..cd400c8 --- /dev/null +++ b/contrib/libio/testsuite/configure.in @@ -0,0 +1,22 @@ +# This file is a shell script fragment that supplies the information +# necessary for a configure script to process the program in +# this directory. For more information, look at ../../configure. + +configdirs= +srctrigger=libio.tests/hounddog.exp +srcname="test C++ input/output library, dejagnu style" +package_makefile_frag=Make.pack +package_makefile_rules_frag=Make.pack.r + +# per-host: + +# per-target: + +TO_TOPDIR=../../ +ALL=' ' +XCINCLUDES='-I. -I.. -I$(srcdir) -I$(srcdir)/..' +XCXXINCLUDES='-I. -I.. -I$(srcdir) -I$(srcdir)/..' +MOSTLYCLEAN='*.o core $(JUNK_TO_CLEAN)' +(. ${srcdir}/../config.shared) >${package_makefile_frag} 2>${package_makefile_rules_frag} + +# post-target: diff --git a/contrib/libio/testsuite/lib/libio.exp b/contrib/libio/testsuite/lib/libio.exp new file mode 100644 index 0000000..d9f01b4 --- /dev/null +++ b/contrib/libio/testsuite/lib/libio.exp @@ -0,0 +1,167 @@ +# Copyright (C) 1997 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-lib-g++@prep.ai.mit.edu + +# This file was written by Bob Manson. (manson@cygnus.com) + +load_lib "libgloss.exp" + +global base_dir + +proc libio_init { args } { + global wrapper_file; + global wrap_compile_flags; + set wrapper_file ""; + set wrap_compile_flags ""; + if [target_info exists needs_status_wrapper] { + set result [build_wrapper "testglue.o"]; + if { $result != "" } { + set wrapper_file [lindex $result 0]; + set wrap_compile_flags [lindex $result 1]; + } else { + warning "Status wrapper failed to build." + } + } +} +# +# Run the test specified by srcfile and resultfile. compile_args and +# exec_args are additional arguments to be passed in when compiling and +# running the testcase, respectively. +# + +proc test_libio { srcfile compile_args inpfile resultfile exec_args } { + global LIBIO + global srcdir subdir objdir + global TOOL_OPTIONS + global wrapper_file wrap_compile_flags + global ld_library_path + + if { $inpfile != "" } { + set inpfile "$srcdir/../tests/$inpfile" + } + + set args "" + set ld_library_path "" + lappend args "additional_flags=-O3"; + lappend args "additional_flags=-I.. -I$srcdir/.." + lappend args "additional_flags=$wrap_compile_flags"; + lappend args "libs=$wrapper_file"; + if { $compile_args != "" } { + lappend args "additional_flags=$compile_args" + } + + if [regexp "\.cc$" $srcfile] { + lappend args "additional_flags=-nostdinc++" + lappend args "additional_flags=[libstdc++_include_flags]"; + lappend args "additional_flags=[libstdc++_link_flags]"; + lappend args "libs=-lstdc++" + } else { + if [info exists LIBIO] { + lappend args "libdir=$LIBIO" + } else { + lappend args "additional_flags=[libio_link_flags]"; + } + lappend args "additional_flags=[libio_link_flags]"; + lappend args "libs=-lio" + } + + if [target_info exists slow_simulator] then { + lappend args "additional_flags=-DSLOW_SIMULATOR" + } + + if [info exists TOOL_OPTIONS] { + lappend args "additional_options=$TOOL_OPTIONS" + } + + set gp [get_multilibs]; + if { $gp != "" } { + if [file exists $gp/libiberty/libiberty.a] { + lappend args "libdir=$gp/libiberty"; + set found_libiberty 1; + } + } + if ![info exists found_libiberty] { + set lib [lookfor_file "$objdir" "libiberty/libiberty.a"]; + if { $lib != "" } { + lappend args "libdir=[file dirname $lib]"; + } + } + lappend args "libs=-liberty" + lappend args "debug"; + + set errname "$srcfile" + set srcfile "$srcdir/../tests/$srcfile" + regsub "\\..*$" "[file tail $srcfile]" "" executable + set executable "$objdir/$executable" + + if { [target_compile $srcfile $executable executable $args] != "" } { + fail "$errname compilation $exec_args"; + setup_xfail "*-*-*" + fail "$errname execution $exec_args" + if { $resultfile != "" } { + setup_xfail "*-*-*" + fail "$errname output $exec_args" + } + return; + } + pass "$errname compilation $exec_args" + + set result [libio_load $executable $exec_args $inpfile]; + set status [lindex $result 0]; + set output [lindex $result 1]; + if { $status == "unsupported" } { + unsupported "target does not support loading $srcfile" + return; + } + if { $status != "pass" } { + $status "$errname execution $exec_args" + setup_xfail "*-*-*" + fail "$errname output $exec_args" + return; + } + pass "$errname execution $exec_args" + + if { $resultfile != "" } { + set id [open $srcdir/../tests/$resultfile r]; + set expected "" + append expected [read $id]; + verbose "expected is $expected" + verbose "actual is $output" + regsub -all "\r" $output "" output + regsub "\n+$" $expected "" expected + regsub "\n+$" $output "" output + regsub "^\n+" $expected "" expected + regsub "^\n+" $output "" output + if { $expected == $output } { + pass "$errname output $exec_args" + } else { + fail "$errname output $exec_args" + } + close $id; + } +} + +# +# libio_version -- extract and print the version number of libio +# +proc default_libio_version {} { + global LIBIO +} + +proc default_libio_start { } { +} diff --git a/contrib/libio/testsuite/libio.tests/hounddog.exp b/contrib/libio/testsuite/libio.tests/hounddog.exp new file mode 100644 index 0000000..b51f9f0 --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/hounddog.exp @@ -0,0 +1,3 @@ +test_libio hounddog.cc "" hounddog.inp hounddog.exp "" +test_libio hounddog.cc "" hounddog.inp hounddog.exp "-b0" +test_libio hounddog.cc "" hounddog.inp hounddog.exp "-b2" diff --git a/contrib/libio/testsuite/libio.tests/putbackdog.exp b/contrib/libio/testsuite/libio.tests/putbackdog.exp new file mode 100644 index 0000000..30d91a8 --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/putbackdog.exp @@ -0,0 +1,3 @@ +test_libio putbackdog.cc "" hounddog.inp hounddog.exp "" +test_libio putbackdog.cc "" hounddog.inp hounddog.exp "-b0" +test_libio putbackdog.cc "" hounddog.inp hounddog.exp "-b2" diff --git a/contrib/libio/testsuite/libio.tests/tFile.exp b/contrib/libio/testsuite/libio.tests/tFile.exp new file mode 100644 index 0000000..f190916 --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/tFile.exp @@ -0,0 +1,3 @@ +test_libio tFile.cc "" tFile.inp tFile.exp "" +test_libio tFile.cc "" tFile.inp tFile.exp "-b0" +test_libio tFile.cc "" tFile.inp tFile.exp "-b3" diff --git a/contrib/libio/testsuite/libio.tests/tfformat.exp b/contrib/libio/testsuite/libio.tests/tfformat.exp new file mode 100644 index 0000000..f0f7113 --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/tfformat.exp @@ -0,0 +1 @@ +test_libio tfformat.c "-DTEST_LIBIO -DTEST_EXACTNESS" "" "" "" diff --git a/contrib/libio/testsuite/libio.tests/tiformat.exp b/contrib/libio/testsuite/libio.tests/tiformat.exp new file mode 100644 index 0000000..f2d14db --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/tiformat.exp @@ -0,0 +1 @@ +test_libio tiformat.c "-DTEST_LIBIO" "" "" "" diff --git a/contrib/libio/testsuite/libio.tests/tiomanip.exp b/contrib/libio/testsuite/libio.tests/tiomanip.exp new file mode 100644 index 0000000..856cefc --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/tiomanip.exp @@ -0,0 +1 @@ +test_libio tiomanip.cc "" "" tiomanip.exp "" diff --git a/contrib/libio/testsuite/libio.tests/tiomisc.exp b/contrib/libio/testsuite/libio.tests/tiomisc.exp new file mode 100644 index 0000000..7130995 --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/tiomisc.exp @@ -0,0 +1 @@ +test_libio tiomisc.cc "-w" "" tiomisc.exp "" diff --git a/contrib/libio/testsuite/libio.tests/tstdiomisc.exp b/contrib/libio/testsuite/libio.tests/tstdiomisc.exp new file mode 100644 index 0000000..01dae9f --- /dev/null +++ b/contrib/libio/testsuite/libio.tests/tstdiomisc.exp @@ -0,0 +1 @@ +test_libio tstdiomisc.c "" "" tstdiomisc.exp "" |
