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- /* 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. */
-
- /* @(#)system.h 1.14 92/04/10 */
-
- #ifdef __GNUC__
- #define alloca __builtin_alloca
- #else
- #ifdef sparc
- #include <alloca.h>
- #else
- #ifndef _AIX
- /* AIX alloca decl has to be the first thing in the file, bletch! */
- char *alloca ();
- #endif
- #endif
- #endif
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #ifndef S_ISREG /* Doesn't have POSIX.1 stat stuff. */
- #ifndef mode_t
- #define mode_t unsigned short
- #endif
- #endif
- #if !defined(S_ISBLK) && defined(S_IFBLK)
- #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
- #endif
- #if !defined(S_ISCHR) && defined(S_IFCHR)
- #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
- #endif
- #if !defined(S_ISDIR) && defined(S_IFDIR)
- #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
- #endif
- #if !defined(S_ISREG) && defined(S_IFREG)
- #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
- #endif
- #if !defined(S_ISFIFO) && defined(S_IFIFO)
- #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
- #endif
- #if !defined(S_ISLNK) && defined(S_IFLNK)
- #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
- #endif
- #if !defined(S_ISSOCK) && defined(S_IFSOCK)
- #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
- #endif
- #if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
- #define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
- #define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
- #endif
- #if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
- #define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
- #endif
- #if defined(MKFIFO_MISSING)
- #define mkfifo(path, mode) (mknod ((path), (mode) | S_IFIFO, 0))
- #endif
-
- #ifdef POSIX
- #include <unistd.h>
- #include <limits.h>
- #ifndef PATH_MAX
- #define PATH_MAX pathconf ("/", _PC_PATH_MAX)
- #endif
- #else
- off_t lseek ();
- #endif
-
- #ifdef TM_IN_SYS_TIME
- #include <sys/time.h>
- #else
- #include <time.h>
- #endif
-
- #ifdef TIMEB_H_MISSING
- struct timeb {
- time_t time; /* Seconds since the epoch */
- unsigned short millitm; /* Field not used */
- #ifdef timezone
- short tzone;
- #else
- short timezone;
- #endif
- short dstflag; /* Field not used */
- };
- #else
- #include <sys/timeb.h>
- #endif
-
- #if defined(FTIME_MISSING) && !defined(HAVE_TIMEZONE)
- #if !defined(timezone)
- extern long timezone;
- #endif
- #endif
-
- #ifndef POSIX
- #include <sys/param.h>
- #endif
-
- #ifndef _POSIX_PATH_MAX
- #define _POSIX_PATH_MAX 255
- #endif
-
- #ifndef PATH_MAX
- #ifdef MAXPATHLEN
- #define PATH_MAX MAXPATHLEN
- #else
- #define PATH_MAX _POSIX_PATH_MAX
- #endif
- #endif
-
- #ifdef POSIX
- #include <utime.h>
- #else
- #ifndef ALTOS
- struct utimbuf
- {
- long actime;
- long modtime;
- };
- #endif
- int utime ();
- #endif
-
- #if defined(USG) || defined(STDC_HEADERS)
- #include <string.h>
- #ifndef STDC_HEADERS
- #include <memory.h>
- #endif
- #ifndef index
- #define index strchr
- #endif
- #ifndef rindex
- #define rindex strrchr
- #endif
- #ifndef bcopy
- #define bcopy(from, to, len) memcpy ((to), (from), (len))
- #endif
- #ifndef bzero
- #define bzero(s, n) (void) memset ((s), 0, (n))
- #endif
- #ifndef bcmp
- #define bcmp(s1, s2, n) memcmp((s1), (s2), (n))
- #endif
- #else
- #include <strings.h>
- #endif
-
- #include <errno.h>
- #ifdef STDC_HEADERS
- #include <stdlib.h>
- #else
- char *getenv ();
- char *malloc ();
- char *realloc ();
- char *calloc ();
- extern int errno;
- #endif
-
- #if defined(USG) || defined(POSIX)
- #include <fcntl.h>
- char *getcwd ();
- #else
- #include <sys/file.h>
- char *getwd ();
- #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
-
- #ifdef DIRENT
- #include <dirent.h>
- #ifdef direct
- #undef direct
- #endif
- #define direct dirent
- #else
- #ifdef SYSNDIR
- #include <sys/ndir.h>
- #else
- #ifdef NDIR
- #include <ndir.h>
- #else /* must be BSD */
- #include <sys/dir.h>
- #endif
- #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
-
- #ifndef SIGTYPE
- #define SIGTYPE void
- #endif
-