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Diffstat (limited to 'gnu/lib/libg++/include/libioP.h')
| -rw-r--r-- | gnu/lib/libg++/include/libioP.h | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/gnu/lib/libg++/include/libioP.h b/gnu/lib/libg++/include/libioP.h new file mode 100644 index 0000000..11d90f5 --- /dev/null +++ b/gnu/lib/libg++/include/libioP.h @@ -0,0 +1,308 @@ +/* +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 GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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 errno +extern int errno; +#endif + +#include "iolibio.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum _IO_seekflags_ { + _IO_seek_set = 0, + _IO_seek_cur = 1, + _IO_seek_end = 2, + + /* These bits are ignored unless the _IO_FILE has independent + read and write positions. */ + _IO_seek_not_in = 4, /* Don't move read posistion. */ + _IO_seek_not_out = 8, /* Don't move write posistion. */ + _IO_seek_pos_ignored = 16 /* Result is ignored (except EOF) */ +} _IO_seekflags; + +typedef int (*_IO_overflow_t) __P((_IO_FILE*, int)); +typedef int (*_IO_underflow_t) __P((_IO_FILE*)); +typedef _IO_size_t (*_IO_xsputn_t) __P((_IO_FILE*,const void*,_IO_size_t)); +typedef _IO_size_t (*_IO_xsgetn_t) __P((_IO_FILE*, void*, _IO_size_t)); +typedef _IO_ssize_t (*_IO_read_t) __P((_IO_FILE*, void*, _IO_ssize_t)); +typedef _IO_ssize_t (*_IO_write_t) __P((_IO_FILE*,const void*,_IO_ssize_t)); +typedef int (*_IO_stat_t) __P((_IO_FILE*, void*)); +typedef _IO_fpos_t (*_IO_seek_t) __P((_IO_FILE*, _IO_off_t, int)); +typedef int (*_IO_doallocate_t) __P((_IO_FILE*)); +typedef int (*_IO_pbackfail_t) __P((_IO_FILE*, int)); +typedef int (*_IO_setbuf_t) __P((_IO_FILE*, char *, _IO_ssize_t)); +typedef int (*_IO_sync_t) __P((_IO_FILE*)); +typedef void (*_IO_finish_t) __P((_IO_FILE*)); /* finalize */ +typedef int (*_IO_close_t) __P((_IO_FILE*)); /* finalize */ +typedef _IO_fpos_t (*_IO_seekoff_t) __P((_IO_FILE*, _IO_off_t, _IO_seekflags)); + +/* The _IO_seek_cur and _IO_seek_end options are not allowed. */ +typedef _IO_fpos_t (*_IO_seekpos_t) __P((_IO_FILE*, _IO_fpos_t, _IO_seekflags)); + +struct _IO_jump_t { + _IO_overflow_t __overflow; + _IO_underflow_t __underflow; + _IO_xsputn_t __xsputn; + _IO_xsgetn_t __xsgetn; + _IO_read_t __read; + _IO_write_t __write; + _IO_doallocate_t __doallocate; + _IO_pbackfail_t __pbackfail; + _IO_setbuf_t __setbuf; + _IO_sync_t __sync; + _IO_finish_t __finish; + _IO_close_t __close; + _IO_stat_t __stat; + _IO_seek_t __seek; + _IO_seekoff_t __seekoff; + _IO_seekpos_t __seekpos; + _IO_underflow_t __uflow; +#if 0 + get_column; + set_column; +#endif +}; + +/* We always allocate an extra word following an _IO_FILE. + 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 void *vtable; +}; + +/* Generic functions */ + +extern _IO_fpos_t _IO_seekoff __P((_IO_FILE*, _IO_off_t, _IO_seekflags)); +extern _IO_fpos_t _IO_seekpos __P((_IO_FILE*, _IO_fpos_t, _IO_seekflags)); + +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) (__fp->_jumps->__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 _PARAMS((_IO_FILE*)); +extern int _IO_default_doallocate __P((_IO_FILE*)); +extern void _IO_default_finish __P((_IO_FILE *)); +extern int _IO_default_pbackfail __P((_IO_FILE*, int)); +extern int _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)); +extern _IO_fpos_t _IO_default_seekoff __P((_IO_FILE*, _IO_off_t, _IO_seekflags)); +extern _IO_fpos_t _IO_default_seekpos __P((_IO_FILE*, _IO_fpos_t, _IO_seekflags)); +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*)); +extern _IO_fpos_t _IO_default_seek __P((_IO_FILE*, _IO_off_t, int)); +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(()); +extern void _IO_cleanup __P(()); +extern void _IO_flush_all_linebuffered __P(()); + +#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(p) ((fp)->_IO_buf_end - (fp)->_IO_buf_base) + +/* Jumptable functions for files. */ + +extern int _IO_file_doallocate __P((_IO_FILE*)); +extern int _IO_file_setbuf __P((_IO_FILE *, char*, _IO_ssize_t)); +extern _IO_fpos_t _IO_file_seekoff __P((_IO_FILE*, _IO_off_t, _IO_seekflags)); +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_fopen __P((_IO_FILE*, const char*, const char*)); +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 _IO_fpos_t _IO_file_seek __P((_IO_FILE *, _IO_off_t, int)); +extern void _IO_file_finish __P((_IO_FILE*)); + +/* Other file functions. */ +extern _IO_FILE* _IO_file_attach __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)); +extern _IO_fpos_t _IO_str_seekoff __P((_IO_FILE*,_IO_off_t,_IO_seekflags)); + +/* 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 _IO_size_t _IO_getline __P((_IO_FILE*,char*,_IO_size_t,int,int)); +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)(); + +#ifndef EOF +#define EOF (-1) +#endif +#ifndef NULL +#if !defined(__cplusplus) || defined(__GNUC__) +#define NULL ((void*)0) +#else +#define NULL (0) +#endif +#endif + +#define FREE_BUF(_B) free(_B) +#define ALLOC_BUF(_S) (char*)malloc(_S) + +#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 *)); + +/* 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 +#define _IO_pos_BAD ((_IO_fpos_t)(-1)) +#endif +/* _IO_pos_as_off converts an _IO_fpos_t value to an _IO_off_t value. */ +#ifndef _IO_pos_as_off +#define _IO_pos_as_off(__pos) ((_IO_off_t)(__pos)) +#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 +#define _IO_pos_0 ((_IO_fpos_t)0) +#endif + +#ifdef __cplusplus +} +#endif + +/* 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, &_IO_file_jumps, FD} + +/* Define builtinbuf_vtable as a name for the virtual function table + of the builtinbuf class. */ +#if !defined(builtinbuf_vtable) && defined(__cplusplus) +#ifdef __GNUC__ +extern char builtinbuf_vtable[] + asm (_G_VTABLE_LABEL_PREFIX +#if _G_VTABLE_LABEL_HAS_LENGTH + "10" +#endif + "builtinbuf"); +#else /* !__GNUC__ */ +#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 +extern char builtinbuf_vtable[]; +#endif /* !__GNUC__ */ +#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 |
