diff options
Diffstat (limited to 'gnu/usr.bin/cvs/lib/system.h')
| -rw-r--r-- | gnu/usr.bin/cvs/lib/system.h | 496 |
1 files changed, 0 insertions, 496 deletions
diff --git a/gnu/usr.bin/cvs/lib/system.h b/gnu/usr.bin/cvs/lib/system.h deleted file mode 100644 index 20539de772d1..000000000000 --- a/gnu/usr.bin/cvs/lib/system.h +++ /dev/null @@ -1,496 +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. - - 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* $CVSid: @(#)system.h 1.18 94/09/25 $ */ - -#ifdef __GNUC__ -#ifndef alloca -#define alloca __builtin_alloca -#endif -#else -#ifdef HAVE_ALLOCA_H -#include <alloca.h> -#else -#ifdef _AIX -/* AIX alloca decl has to be the first thing in the file, bletch! */ - #pragma alloca -#else /* not _AIX */ -#ifdef ALLOCA_IN_STDLIB - /* then we need do nothing */ -#else -char *alloca (); -#endif /* not ALLOCA_IN_STDLIB */ -#endif /* not _AIX */ -#endif /* not HAVE_ALLOCA_H */ -#endif /* not __GNUS__ */ - -#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 probably want to use it if we - do. See ChangeLog for a more detailed discussion. */ - -#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 - -#if !defined(S_ISSOCK) && defined(S_IFSOCK) -# if defined(S_IFMT) -# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) -# else -# define S_ISSOCK(m) ((m) & S_IFSOCK) -# endif -#endif - -#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 - -#if !defined(HAVE_MKFIFO) -#define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0)) -#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 (); -#endif - -#if TIME_WITH_SYS_TIME -# include <sys/time.h> -# include <time.h> -#else -# if HAVE_SYS_TIME_H -# include <sys/time.h> -# else -# include <time.h> -# endif -#endif - -#ifdef HAVE_IO_H -#include <io.h> -#endif - -#ifdef HAVE_DIRECT_H -#include <direct.h> -#endif - -#ifdef timezone -#undef timezone /* needed for sgi */ -#endif - -#ifdef HAVE_SYS_TIMEB_H -#include <sys/timeb.h> -#else -struct timeb { - time_t time; /* Seconds since the epoch */ - unsigned short millitm; /* Field not used */ - short timezone; - short dstflag; /* Field not used */ -}; -#endif - -#if !defined(HAVE_FTIME) && !defined(HAVE_TIMEZONE) -#if !defined(timezone) -extern long timezone; -#endif -#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> -#elif defined (HAVE_SYS_UTIME_H) -# include <sys/utime.h> -#else -#ifndef ALTOS -struct utimbuf -{ - long actime; - long modtime; -}; -#endif -int utime (); -#endif - -#if STDC_HEADERS || HAVE_STRING_H -#include <string.h> -/* An ANSI string.h and pre-ANSI memory.h might conflict. */ -#if !STDC_HEADERS && HAVE_MEMORY_H -#include <memory.h> -#endif /* not STDC_HEADERS and HAVE_MEMORY_H */ - -#ifndef index -#define index strchr -#endif /* index */ - -#ifndef rindex -#define rindex strrchr -#endif /* rindex */ - -#ifndef bcmp -#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n)) -#endif /* bcmp */ - -#ifndef bzero -#define bzero(s, n) memset ((s), 0, (n)) -#endif /* bzero */ - -#else /* not STDC_HEADERS and not HAVE_STRING_H */ -#include <strings.h> -/* memory.h and strings.h conflict on some systems. */ -#endif /* not STDC_HEADERS and not HAVE_STRING_H */ - -#include <errno.h> - -/* 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 -# define existence_error(x) ((x) == ENOENT) -#endif - - -#ifdef STDC_HEADERS -#include <stdlib.h> -#else -char *getenv (); -char *malloc (); -char *realloc (); -char *calloc (); -extern int errno; -#endif - -#if defined(USG) || defined(POSIX) -char *getcwd (); -#else -char *getwd (); -#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 MS-DOS and its derivatives (like Windows NT), mkdir takes only one - argument; permission is handled very differently on those systems than in - in Unix. So we leave such systems a hook on which they can hang their - own definitions. */ -#ifndef CVS_MKDIR -#define CVS_MKDIR mkdir -#endif - -/* 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 - - -/* On some systems, lines in text files should be terminated with CRLF, - not just LF, and the read and write routines do this translation - for you. LINES_CRLF_TERMINATED is #defined on such systems. - - OPEN_BINARY is the flag to pass to the open function for - untranslated I/O. - - FOPEN_BINARY_READ is the string to pass to fopen to get - untranslated reading. - - FOPEN_BINARY_WRITE is the string to pass to fopen to get - untranslated writing. */ -#if LINES_CRLF_TERMINATED -#define OPEN_BINARY (O_BINARY) -#define FOPEN_BINARY_READ ("rb") -#define FOPEN_BINARY_WRITE ("wb") -#else -#define OPEN_BINARY (0) -#define FOPEN_BINARY_READ ("r") -#define FOPEN_BINARY_WRITE ("w") -#endif |