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Diffstat (limited to 'contrib/cvs/lib/system.h')
| -rw-r--r-- | contrib/cvs/lib/system.h | 570 |
1 files changed, 0 insertions, 570 deletions
diff --git a/contrib/cvs/lib/system.h b/contrib/cvs/lib/system.h deleted file mode 100644 index 3956f37..0000000 --- a/contrib/cvs/lib/system.h +++ /dev/null @@ -1,570 +0,0 @@ -/* system-dependent definitions for CVS. - Copyright (C) 1989-1992 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, 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. */ - -#include <sys/types.h> -#include <sys/stat.h> - -#ifdef STAT_MACROS_BROKEN -#undef S_ISBLK -#undef S_ISCHR -#undef S_ISDIR -#undef S_ISREG -#undef S_ISFIFO -#undef S_ISLNK -#undef S_ISSOCK -#undef S_ISMPB -#undef S_ISMPC -#undef S_ISNWK -#endif - -/* Not all systems have S_IFMT, but we want to use it if we have it. - The S_IFMT code below looks right (it masks and compares). The - non-S_IFMT code looks bogus (are there really systems on which - S_IFBLK, S_IFLNK, &c, each have their own bit? I suspect it was - written for OS/2 using the IBM C/C++ Tools 2.01 compiler). - - Of course POSIX systems will have S_IS*, so maybe the issue is - semi-moot. */ - -#if !defined(S_ISBLK) && defined(S_IFBLK) -# if defined(S_IFMT) -# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) -# else -# define S_ISBLK(m) ((m) & S_IFBLK) -# endif -#endif - -#if !defined(S_ISCHR) && defined(S_IFCHR) -# if defined(S_IFMT) -# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) -# else -# define S_ISCHR(m) ((m) & S_IFCHR) -# endif -#endif - -#if !defined(S_ISDIR) && defined(S_IFDIR) -# if defined(S_IFMT) -# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) -# else -# define S_ISDIR(m) ((m) & S_IFDIR) -# endif -#endif - -#if !defined(S_ISREG) && defined(S_IFREG) -# if defined(S_IFMT) -# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) -# else -# define S_ISREG(m) ((m) & S_IFREG) -# endif -#endif - -#if !defined(S_ISFIFO) && defined(S_IFIFO) -# if defined(S_IFMT) -# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) -# else -# define S_ISFIFO(m) ((m) & S_IFIFO) -# endif -#endif - -#if !defined(S_ISLNK) && defined(S_IFLNK) -# if defined(S_IFMT) -# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) -# else -# define S_ISLNK(m) ((m) & S_IFLNK) -# endif -#endif - -#ifndef S_ISSOCK -# if defined( S_IFSOCK ) -# ifdef S_IFMT -# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) -# else -# define S_ISSOCK(m) ((m) & S_IFSOCK) -# endif /* S_IFMT */ -# elif defined( S_ISNAM ) - /* SCO OpenServer 5.0.6a */ -# define S_ISSOCK S_ISNAM -# endif /* !S_IFSOCK && S_ISNAM */ -#endif /* !S_ISSOCK */ - -#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */ -# if defined(S_IFMT) -# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB) -# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC) -# else -# define S_ISMPB(m) ((m) & S_IFMPB) -# define S_ISMPC(m) ((m) & S_IFMPC) -# endif -#endif - -#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */ -# if defined(S_IFMT) -# define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK) -# else -# define S_ISNWK(m) ((m) & S_IFNWK) -# endif -#endif - -#ifdef NEED_DECOY_PERMISSIONS /* OS/2, really */ - -#define S_IRUSR S_IREAD -#define S_IWUSR S_IWRITE -#define S_IXUSR S_IEXEC -#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) -#define S_IRGRP S_IREAD -#define S_IWGRP S_IWRITE -#define S_IXGRP S_IEXEC -#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) -#define S_IROTH S_IREAD -#define S_IWOTH S_IWRITE -#define S_IXOTH S_IEXEC -#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) - -#else /* ! NEED_DECOY_PERMISSIONS */ - -#ifndef S_IRUSR -#define S_IRUSR 0400 -#define S_IWUSR 0200 -#define S_IXUSR 0100 -/* Read, write, and execute by owner. */ -#define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR) - -#define S_IRGRP (S_IRUSR >> 3) /* Read by group. */ -#define S_IWGRP (S_IWUSR >> 3) /* Write by group. */ -#define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */ -/* Read, write, and execute by group. */ -#define S_IRWXG (S_IRWXU >> 3) - -#define S_IROTH (S_IRGRP >> 3) /* Read by others. */ -#define S_IWOTH (S_IWGRP >> 3) /* Write by others. */ -#define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */ -/* Read, write, and execute by others. */ -#define S_IRWXO (S_IRWXG >> 3) -#endif /* !def S_IRUSR */ -#endif /* NEED_DECOY_PERMISSIONS */ - -#if defined(POSIX) || defined(HAVE_UNISTD_H) -#include <unistd.h> -#include <limits.h> -#else -off_t lseek (); -char *getcwd (); -#endif - -#include "xtime.h" - -#ifdef HAVE_IO_H -#include <io.h> -#endif - -#ifdef HAVE_DIRECT_H -#include <direct.h> -#endif - - - -/* -** MAXPATHLEN and PATH_MAX -** -** On most systems MAXPATHLEN is defined in sys/param.h to be 1024. Of -** those that this is not true, again most define PATH_MAX in limits.h -** or sys/limits.h which usually gets included by limits.h. On the few -** remaining systems that neither statement is true, _POSIX_PATH_MAX -** is defined. -** -** So: -** 1. If PATH_MAX is defined just use it. -** 2. If MAXPATHLEN is defined but not PATH_MAX, then define -** PATH_MAX in terms of MAXPATHLEN. -** 3. If neither is defined, include limits.h and check for -** PATH_MAX again. -** 3.1 If we now have PATHSIZE, define PATH_MAX in terms of that. -** and ignore the rest. Since _POSIX_PATH_MAX (checked for -** next) is the *most* restrictive (smallest) value, if we -** trust _POSIX_PATH_MAX, several of our buffers are too small. -** 4. If PATH_MAX is still not defined but _POSIX_PATH_MAX is, -** then define PATH_MAX in terms of _POSIX_PATH_MAX. -** 5. And if even _POSIX_PATH_MAX doesn't exist just put in -** a reasonable value. -** *. All in all, this is an excellent argument for using pathconf() -** when at all possible. Or better yet, dynamically allocate -** our buffers and use getcwd() not getwd(). -** -** This works on: -** Sun Sparc 10 SunOS 4.1.3 & Solaris 1.2 -** HP 9000/700 HP/UX 8.07 & HP/UX 9.01 -** Tektronix XD88/10 UTekV 3.2e -** IBM RS6000 AIX 3.2 -** Dec Alpha OSF 1 ???? -** Intel 386 BSDI BSD/386 -** Intel 386 SCO OpenServer Release 5 -** Apollo Domain 10.4 -** NEC SVR4 -*/ - -/* On MOST systems this will get you MAXPATHLEN. - Windows NT doesn't have this file, tho. */ -#ifdef HAVE_SYS_PARAM_H -#include <sys/param.h> -#endif - -#ifndef PATH_MAX -# ifdef MAXPATHLEN -# define PATH_MAX MAXPATHLEN -# else -# include <limits.h> -# ifndef PATH_MAX -# ifdef PATHSIZE -# define PATH_MAX PATHSIZE -# else /* no PATHSIZE */ -# ifdef _POSIX_PATH_MAX -# define PATH_MAX _POSIX_PATH_MAX -# else -# define PATH_MAX 1024 -# endif /* no _POSIX_PATH_MAX */ -# endif /* no PATHSIZE */ -# endif /* no PATH_MAX */ -# endif /* MAXPATHLEN */ -#endif /* PATH_MAX */ - - -/* The NeXT (without _POSIX_SOURCE, which we don't want) has a utime.h - which doesn't define anything. It would be cleaner to have configure - check for struct utimbuf, but for now I'm checking NeXT here (so I don't - have to debug the configure check across all the machines). */ -#if defined (HAVE_UTIME_H) && !defined (NeXT) -# include <utime.h> -#else -# if defined (HAVE_SYS_UTIME_H) -# include <sys/utime.h> -# else -# ifndef ALTOS -struct utimbuf -{ - long actime; - long modtime; -}; -# endif -int utime (); -# endif -#endif - -#include <string.h> - -#ifndef ERRNO_H_MISSING -#include <errno.h> -#endif - -/* Not all systems set the same error code on a non-existent-file - error. This tries to ask the question somewhat portably. - On systems that don't have ENOTEXIST, this should behave just like - x == ENOENT. "x" is probably errno, of course. */ - -#ifdef ENOTEXIST -# ifdef EOS2ERR -# define existence_error(x) \ - (((x) == ENOTEXIST) || ((x) == ENOENT) || ((x) == EOS2ERR)) -# else -# define existence_error(x) \ - (((x) == ENOTEXIST) || ((x) == ENOENT)) -# endif -#else -# ifdef EVMSERR -# define existence_error(x) \ -((x) == ENOENT || (x) == EINVAL || (x) == EVMSERR) -# else -# define existence_error(x) ((x) == ENOENT) -# endif -#endif - - -#ifdef STDC_HEADERS -# include <stdlib.h> -#else -char *getenv (); -char *malloc (); -char *realloc (); -char *calloc (); -extern int errno; -#endif - -/* SunOS4 apparently does not define this in stdlib.h. */ -#ifndef EXIT_FAILURE -# define EXIT_FAILURE 1 -#endif - -/* check for POSIX signals */ -#if defined(HAVE_SIGACTION) && defined(HAVE_SIGPROCMASK) -# define POSIX_SIGNALS -#endif - -/* MINIX 1.6 doesn't properly support sigaction */ -#if defined(_MINIX) -# undef POSIX_SIGNALS -#endif - -/* If !POSIX, try for BSD.. Reason: 4.4BSD implements these as wrappers */ -#if !defined(POSIX_SIGNALS) -# if defined(HAVE_SIGVEC) && defined(HAVE_SIGSETMASK) && defined(HAVE_SIGBLOCK) -# define BSD_SIGNALS -# endif -#endif - -/* Under OS/2, this must be included _after_ stdio.h; that's why we do - it here. */ -#ifdef USE_OWN_TCPIP_H -# include "tcpip.h" -#endif - -#ifdef HAVE_FCNTL_H -# include <fcntl.h> -#else -# include <sys/file.h> -#endif - -#ifndef SEEK_SET -# define SEEK_SET 0 -# define SEEK_CUR 1 -# define SEEK_END 2 -#endif - -#ifndef F_OK -# define F_OK 0 -# define X_OK 1 -# define W_OK 2 -# define R_OK 4 -#endif - -#if HAVE_DIRENT_H -# include <dirent.h> -# define NAMLEN(dirent) strlen((dirent)->d_name) -#else -# define dirent direct -# define NAMLEN(dirent) (dirent)->d_namlen -# if HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# if HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# if HAVE_NDIR_H -# include <ndir.h> -# endif -#endif - -/* Convert B 512-byte blocks to kilobytes if K is nonzero, - otherwise return it unchanged. */ -#define convert_blocks(b, k) ((k) ? ((b) + 1) / 2 : (b)) - -#ifndef S_ISLNK -# define lstat stat -#endif - -/* - * Some UNIX distributions don't include these in their stat.h Defined here - * because "config.h" is always included last. - */ -#ifndef S_IWRITE -# define S_IWRITE 0000200 /* write permission, owner */ -#endif -#ifndef S_IWGRP -# define S_IWGRP 0000020 /* write permission, grougroup */ -#endif -#ifndef S_IWOTH -# define S_IWOTH 0000002 /* write permission, other */ -#endif - -/* Under non-UNIX operating systems (MS-DOS, WinNT, MacOS), many filesystem - calls take only one argument; permission is handled very differently on - those systems than in Unix. So we leave such systems a hook on which they - can hang their own definitions. */ - -#ifndef CVS_ACCESS -# define CVS_ACCESS access -#endif - -#ifndef CVS_CHDIR -# define CVS_CHDIR chdir -#endif - -#ifndef CVS_CREAT -# define CVS_CREAT creat -#endif - -#ifndef CVS_FOPEN -# define CVS_FOPEN fopen -#endif - -#ifndef CVS_FDOPEN -# define CVS_FDOPEN fdopen -#endif - -#ifndef CVS_MKDIR -# define CVS_MKDIR mkdir -#endif - -#ifndef CVS_OPEN -# define CVS_OPEN open -#endif - -#ifndef CVS_READDIR -# define CVS_READDIR readdir -#endif - -#ifndef CVS_CLOSEDIR -# define CVS_CLOSEDIR closedir -#endif - -#ifndef CVS_OPENDIR -# define CVS_OPENDIR opendir -#endif - -#ifndef CVS_RENAME -# define CVS_RENAME rename -#endif - -#ifndef CVS_RMDIR -# define CVS_RMDIR rmdir -#endif - -#ifndef CVS_STAT -# define CVS_STAT stat -#endif - -/* Open question: should CVS_STAT be lstat by default? We need - to use lstat in order to handle symbolic links correctly with - the PreservePermissions option. -twp */ -#ifndef CVS_LSTAT -# define CVS_LSTAT lstat -#endif - -#ifndef CVS_UNLINK -# define CVS_UNLINK unlink -#endif - -/* Wildcard matcher. Should be case-insensitive if the system is. */ -#ifndef CVS_FNMATCH -# define CVS_FNMATCH fnmatch -#endif - -#ifdef WIN32 -/* - * According to GNU conventions, we should avoid referencing any macro - * containing "WIN" as a reference to Microsoft Windows, as we would like to - * avoid any implication that we consider Microsoft Windows any sort of "win". - * - * FIXME: As of 2003-06-09, folks on the GNULIB project were discussing - * defining a configure macro to define WOE32 appropriately. If they ever do - * write such a beast, we should use it, though in most cases it would be - * preferable to avoid referencing any OS or compiler anyhow, per Autoconf - * convention, and reference only tested features of the system. - */ -# define WOE32 1 -#endif /* WIN32 */ - - -#ifdef WOE32 - /* Under Windows NT, filenames are case-insensitive. */ -# define FILENAMES_CASE_INSENSITIVE 1 -#endif /* WOE32 */ - - - -#ifdef FILENAMES_CASE_INSENSITIVE - -# if defined (__CYGWIN32__) || defined (WOE32) - /* Under Windows, filenames are case-insensitive, and both / and \ - are path component separators. */ -# define FOLD_FN_CHAR(c) (WNT_filename_classes[(unsigned char) (c)]) -extern unsigned char WNT_filename_classes[]; - /* Is the character C a path name separator? Under - Windows NT, you can use either / or \. */ -# define ISDIRSEP(c) (FOLD_FN_CHAR(c) == '/') -# define ISABSOLUTE(s) (ISDIRSEP(s[0]) || FOLD_FN_CHAR(s[0]) >= 'a' && FOLD_FN_CHAR(s[0]) <= 'z' && s[1] == ':' && ISDIRSEP(s[2])) -# else /* !__CYGWIN32__ && !WOE32 */ - /* As far as I know, only Macintosh OS X & VMS make it here, but any - * platform defining FILENAMES_CASE_INSENSITIVE which isn't WOE32 or - * piggy-backing the same could, in theory. Since the OS X fold just folds - * A-Z into a-z, I'm just allowing it to be used for any case insensitive - * system which we aren't yet making other specific folds or exceptions for. - * WOE32 needs its own class since \ and C:\ style absolute paths also need - * to be accounted for. - */ -# if defined(USE_VMS_FILENAMES) -# define FOLD_FN_CHAR(c) (VMS_filename_classes[(unsigned char) (c)]) -extern unsigned char VMS_filename_classes[]; -# else -# define FOLD_FN_CHAR(c) (OSX_filename_classes[(unsigned char) (c)]) -extern unsigned char OSX_filename_classes[]; -# endif -# endif /* __CYGWIN32__ || WOE32 */ - -/* The following need to be declared for all case insensitive filesystems. - * When not FOLD_FN_CHAR is not #defined, a default definition for these - * functions is provided later in this header file. */ - -/* Like strcmp, but with the appropriate tweaks for file names. */ -extern int fncmp (const char *n1, const char *n2); - -/* Fold characters in FILENAME to their canonical forms. */ -extern void fnfold (char *FILENAME); - -#endif /* FILENAMES_CASE_INSENSITIVE */ - - - -/* Some file systems are case-insensitive. If FOLD_FN_CHAR is - #defined, it maps the character C onto its "canonical" form. In a - case-insensitive system, it would map all alphanumeric characters - to lower case. Under Windows NT, / and \ are both path component - separators, so FOLD_FN_CHAR would map them both to /. */ -#ifndef FOLD_FN_CHAR -# define FOLD_FN_CHAR(c) (c) -# define fnfold(filename) (filename) -# define fncmp strcmp -#endif - -/* Different file systems have different path component separators. - For the VMS port we might need to abstract further back than this. */ -#ifndef ISDIRSEP -# define ISDIRSEP(c) ((c) == '/') -#endif - -/* Different file systems can have different naming patterns which designate - * a path as absolute - */ -#ifndef ISABSOLUTE -# define ISABSOLUTE(s) ISDIRSEP(s[0]) -#endif - - -/* On some systems, we have to be careful about writing/reading files - in text or binary mode (so in text mode the system can handle CRLF - vs. LF, VMS text file conventions, &c). We decide to just always - be careful. That way we don't have to worry about whether text and - binary differ on this system. We just have to worry about whether - the system has O_BINARY and "rb". The latter is easy; all ANSI C - libraries have it, SunOS4 has it, and CVS has used it unguarded - some places for a while now without complaints (e.g. "rb" in - server.c (server_updated), since CVS 1.8). The former is just an - #ifdef. */ - -#define FOPEN_BINARY_READ ("rb") -#define FOPEN_BINARY_WRITE ("wb") -#define FOPEN_BINARY_READWRITE ("r+b") - -#ifdef O_BINARY -#define OPEN_BINARY (O_BINARY) -#else -#define OPEN_BINARY (0) -#endif |
