efce212686
In future, it should be as easy as "update -j ....", but this time I had to go over it by hand. Not nice..
268 lines
5.5 KiB
C
268 lines
5.5 KiB
C
/* System dependent declarations.
|
||
Copyright (C) 1988, 1989, 1992, 1993, 1994 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. */
|
||
|
||
/* We must define `volatile' and `const' first (the latter inside config.h),
|
||
so that they're used consistently in all system includes. */
|
||
#if !__STDC__
|
||
#ifndef volatile
|
||
#define volatile
|
||
#endif
|
||
#endif
|
||
#include "config.h"
|
||
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>
|
||
|
||
#if __STDC__
|
||
#define PARAMS(args) args
|
||
#define VOID void
|
||
#else
|
||
#define PARAMS(args) ()
|
||
#define VOID char
|
||
#endif
|
||
|
||
#if STAT_MACROS_BROKEN
|
||
#undef S_ISBLK
|
||
#undef S_ISCHR
|
||
#undef S_ISDIR
|
||
#undef S_ISFIFO
|
||
#undef S_ISREG
|
||
#undef S_ISSOCK
|
||
#endif
|
||
#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 !defined(S_ISBLK) && defined(S_IFBLK)
|
||
#define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK)
|
||
#endif
|
||
#if !defined(S_ISCHR) && defined(S_IFCHR)
|
||
#define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR)
|
||
#endif
|
||
#if !defined(S_ISFIFO) && defined(S_IFFIFO)
|
||
#define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFFIFO)
|
||
#endif
|
||
#if !defined(S_ISSOCK) && defined(S_IFSOCK)
|
||
#define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
|
||
#endif
|
||
|
||
#if HAVE_UNISTD_H
|
||
#include <unistd.h>
|
||
#endif
|
||
|
||
#ifndef SEEK_SET
|
||
#define SEEK_SET 0
|
||
#endif
|
||
#ifndef SEEK_CUR
|
||
#define SEEK_CUR 1
|
||
#endif
|
||
|
||
#ifndef STDIN_FILENO
|
||
#define STDIN_FILENO 0
|
||
#endif
|
||
#ifndef STDOUT_FILENO
|
||
#define STDOUT_FILENO 1
|
||
#endif
|
||
#ifndef STDERR_FILENO
|
||
#define STDERR_FILENO 2
|
||
#endif
|
||
|
||
#if HAVE_TIME_H
|
||
#include <time.h>
|
||
#else
|
||
#include <sys/time.h>
|
||
#endif
|
||
|
||
#if HAVE_FCNTL_H
|
||
#include <fcntl.h>
|
||
#else
|
||
#if HAVE_SYS_FILE_H
|
||
#include <sys/file.h>
|
||
#endif
|
||
#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
|
||
#include <sys/wait.h>
|
||
#endif
|
||
#ifndef WEXITSTATUS
|
||
#define WEXITSTATUS(stat_val) ((unsigned) (stat_val) >> 8)
|
||
#endif
|
||
#ifndef WIFEXITED
|
||
#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
||
#endif
|
||
|
||
#ifndef STAT_BLOCKSIZE
|
||
#if HAVE_ST_BLKSIZE
|
||
#define STAT_BLOCKSIZE(s) (s).st_blksize
|
||
#else
|
||
#define STAT_BLOCKSIZE(s) (8 * 1024)
|
||
#endif
|
||
#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
|
||
|
||
#if HAVE_VFORK_H
|
||
#include <vfork.h>
|
||
#endif
|
||
|
||
#if HAVE_STDLIB_H
|
||
#include <stdlib.h>
|
||
#else
|
||
VOID *malloc ();
|
||
VOID *realloc ();
|
||
#endif
|
||
#ifndef getenv
|
||
char *getenv ();
|
||
#endif
|
||
|
||
#if HAVE_LIMITS_H
|
||
#include <limits.h>
|
||
#endif
|
||
#ifndef INT_MAX
|
||
#define INT_MAX 2147483647
|
||
#endif
|
||
#ifndef CHAR_BIT
|
||
#define CHAR_BIT 8
|
||
#endif
|
||
|
||
#if STDC_HEADERS || HAVE_STRING_H
|
||
# include <string.h>
|
||
# ifndef bzero
|
||
# define bzero(s, n) memset (s, 0, n)
|
||
# endif
|
||
#else
|
||
# if !HAVE_STRCHR
|
||
# define strchr index
|
||
# define strrchr rindex
|
||
# endif
|
||
char *strchr (), *strrchr ();
|
||
# if !HAVE_MEMCHR
|
||
# define memcmp(s1, s2, n) bcmp (s1, s2, n)
|
||
# define memcpy(d, s, n) bcopy (s, d, n)
|
||
void *memchr ();
|
||
# endif
|
||
#endif
|
||
|
||
#include <ctype.h>
|
||
/* CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given
|
||
as an argument to <ctype.h> macros like `isspace'. */
|
||
#if STDC_HEADERS
|
||
#define CTYPE_DOMAIN(c) 1
|
||
#else
|
||
#define CTYPE_DOMAIN(c) ((unsigned) (c) <= 0177)
|
||
#endif
|
||
#ifndef ISPRINT
|
||
#define ISPRINT(c) (CTYPE_DOMAIN (c) && isprint (c))
|
||
#endif
|
||
#ifndef ISSPACE
|
||
#define ISSPACE(c) (CTYPE_DOMAIN (c) && isspace (c))
|
||
#endif
|
||
#ifndef ISUPPER
|
||
#define ISUPPER(c) (CTYPE_DOMAIN (c) && isupper (c))
|
||
#endif
|
||
|
||
#ifndef ISDIGIT
|
||
#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
|
||
#endif
|
||
|
||
#include <errno.h>
|
||
#if !STDC_HEADERS
|
||
extern int errno;
|
||
#endif
|
||
|
||
#ifdef min
|
||
#undef min
|
||
#endif
|
||
#ifdef max
|
||
#undef max
|
||
#endif
|
||
#define min(a,b) ((a) <= (b) ? (a) : (b))
|
||
#define max(a,b) ((a) >= (b) ? (a) : (b))
|
||
|
||
/* This section contains Posix-compliant defaults for macros
|
||
that are meant to be overridden by hand in config.h as needed. */
|
||
|
||
#ifndef filename_cmp
|
||
#define filename_cmp(a, b) strcmp (a, b)
|
||
#endif
|
||
|
||
#ifndef filename_lastdirchar
|
||
#define filename_lastdirchar(filename) strrchr (filename, '/')
|
||
#endif
|
||
|
||
#ifndef HAVE_FORK
|
||
#define HAVE_FORK 1
|
||
#endif
|
||
|
||
#ifndef HAVE_SETMODE
|
||
#define HAVE_SETMODE 0
|
||
#endif
|
||
|
||
#ifndef initialize_main
|
||
#define initialize_main(argcp, argvp)
|
||
#endif
|
||
|
||
/* Do struct stat *S, *T describe the same file? Answer -1 if unknown. */
|
||
#ifndef same_file
|
||
#define same_file(s,t) ((s)->st_ino==(t)->st_ino && (s)->st_dev==(t)->st_dev)
|
||
#endif
|
||
|
||
/* Place into Q a quoted version of A suitable for `popen' or `system',
|
||
incrementing Q and junking A.
|
||
Do not increment Q by more than 4 * strlen (A) + 2. */
|
||
#ifndef SYSTEM_QUOTE_ARG
|
||
#define SYSTEM_QUOTE_ARG(q, a) \
|
||
{ \
|
||
*(q)++ = '\''; \
|
||
for (; *(a); *(q)++ = *(a)++) \
|
||
if (*(a) == '\'') \
|
||
{ \
|
||
*(q)++ = '\''; \
|
||
*(q)++ = '\\'; \
|
||
*(q)++ = '\''; \
|
||
} \
|
||
*(q)++ = '\''; \
|
||
}
|
||
#endif
|