GNU Diff 2.3

1 files changed, 159 insertions, 0 deletions

diff --git a/gnu/usr.bin/diff/system.h b/gnu/usr.bin/diff/system.h
new file mode 100644
index 0000000..b17d39a
--- /dev/null
+++ b/gnu/usr.bin/diff/system.h
@@ -0,0 +1,159 @@
+/* System dependent declarations.
+   Copyright (C) 1988, 1989, 1992, 1993 Free Software Foundation, Inc.
+
+This file is part of GNU DIFF.
+
+GNU DIFF 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.
+
+GNU DIFF 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 DIFF; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifndef S_ISDIR
+#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
+#endif
+#ifndef S_ISREG
+#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
+#endif
+
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if HAVE_TIME_H
+#include <time.h>
+#else
+#include <sys/time.h>
+#endif
+
+#if HAVE_FCNTL_H
+#include <fcntl.h>
+#else
+#include <sys/file.h>
+#endif
+
+#if !HAVE_DUP2
+#define dup2(f,t)	(close (t),  fcntl (f,F_DUPFD,t))
+#endif
+
+#ifndef O_RDONLY
+#define O_RDONLY 0
+#endif
+
+#if HAVE_SYS_WAIT_H
+#ifndef _POSIX_VERSION
+/* Prevent the NeXT prototype using union wait from causing problems.  */
+#define wait system_wait
+#endif
+#include <sys/wait.h>
+#ifndef _POSIX_VERSION
+#undef wait
+#endif
+#endif /* HAVE_SYS_WAIT_H */
+
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
+#undef WIFEXITED		/* Avoid 4.3BSD incompatibility with Posix.  */
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+
+#if HAVE_ST_BLKSIZE
+#define STAT_BLOCKSIZE(s) (s).st_blksize
+#else
+#define STAT_BLOCKSIZE(s) (S_ISREG ((s).st_mode) ? 8192 : 4096)
+#endif
+
+#if DIRENT || defined (_POSIX_VERSION)
+#include <dirent.h>
+#ifdef direct
+#undef direct
+#endif
+#define direct dirent
+#else /* ! (DIRENT || defined (_POSIX_VERSION)) */
+#if SYSNDIR
+#include <sys/ndir.h>
+#else
+#if SYSDIR
+#include <sys/dir.h>
+#else
+#include <ndir.h>
+#endif
+#endif
+#endif /* ! (DIRENT || defined (_POSIX_VERSION)) */
+
+#if HAVE_VFORK_H
+#include <vfork.h>
+#endif
+
+#if HAVE_STRING_H || STDC_HEADERS
+#include <string.h>
+#ifndef index
+#define index	strchr
+#endif
+#ifndef rindex
+#define rindex	strrchr
+#endif
+#ifndef bcopy
+#define bcopy(s,d,n)	memcpy (d,s,n)
+#endif
+#ifndef bcmp
+#define bcmp(s1,s2,n)	memcmp (s1,s2,n)
+#endif
+#ifndef bzero
+#define bzero(s,n)	memset (s,0,n)
+#endif
+#else
+#include <strings.h>
+#endif
+#if !HAVE_MEMCHR && !STDC_HEADERS
+char *memchr ();
+#endif
+
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <limits.h>
+#else
+char *getenv ();
+char *malloc ();
+char *realloc ();
+#if __STDC__ || __GNUC__
+#include "limits.h"
+#else
+#define INT_MAX 2147483647
+#define CHAR_BIT 8
+#endif
+#endif
+
+#include <errno.h>
+#if !STDC_HEADERS
+extern int errno;
+#endif
+
+#ifdef TRUE
+#undef TRUE
+#endif
+#ifdef FALSE
+#undef FALSE
+#endif
+#define TRUE		1
+#define	FALSE		0
+
+#if !__STDC__
+#define volatile
+#endif
+
+#define min(a,b) ((a) <= (b) ? (a) : (b))
+#define max(a,b) ((a) >= (b) ? (a) : (b))