/* common definitions for `patch' */ /* $Id: common.h,v 1.18 1997/06/13 06:28:37 eggert Exp $ */ /*Copyright 1986, 1988 Larry WallCopyright 1990, 1991, 1992, 1993, 1997 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY 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 Licensealong with this program; see the file COPYING.If not, write to the Free Software Foundation,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.*/ #ifndef DEBUGGING#define DEBUGGING 1#endif /* We must define `volatile' and `const' first (the latter inside config.h),   so that they're used consistently in all system includes.  */#ifndef __STDC__# ifndef volatile# define volatile# endif#endif /* Enable support for fseeko and ftello on hosts   where it is available but is turned off by default.   This must be defined before any system file is included.  */#define _LARGEFILE_SOURCE 1 #include <config.h> #include <assert.h>#include <stdio.h>#include <sys/types.h>#include <time.h> #include <sys/stat.h>#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#ifndef S_IXOTH#define S_IXOTH 1#endif#ifndef S_IWOTH#define S_IWOTH 2#endif#ifndef S_IROTH#define S_IROTH 4#endif#ifndef S_IXGRP#define S_IXGRP (S_IXOTH << 3)#endif#ifndef S_IWGRP#define S_IWGRP (S_IWOTH << 3)#endif#ifndef S_IRGRP#define S_IRGRP (S_IROTH << 3)#endif#ifndef S_IXUSR#define S_IXUSR (S_IXOTH << 6)#endif#ifndef S_IWUSR#define S_IWUSR (S_IWOTH << 6)#endif#ifndef S_IRUSR#define S_IRUSR (S_IROTH << 6)#endif #if HAVE_LIMITS_H# include <limits.h>#endif#ifndef INT_MAX#define INT_MAX 2147483647#endif#ifndef LONG_MIN#define LONG_MIN (-1-2147483647L)#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 ISSPACE#define ISSPACE(c) (CTYPE_DOMAIN (c) && isspace (c))#endif #ifndef ISDIGIT#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)#endif  #ifndef FILESYSTEM_PREFIX_LEN#define FILESYSTEM_PREFIX_LEN(f) 0#endif #ifndef ISSLASH#define ISSLASH(c) ((c) == '/')#endif  /* constants */ /* AIX predefines these.  */#ifdef TRUE#undef TRUE#endif#ifdef FALSE#undef FALSE#endif#define TRUE 1#define FALSE 0 /* handy definitions */ #define strEQ(s1,s2) (!strcmp(s1, s2))#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) /* typedefs */ typedef int bool;			/* must promote to itself */typedef long LINENUM;			/* must be signed */ /* globals */ extern char const program_name[]; XTERN char *buf;			/* general purpose buffer */XTERN size_t bufsize;			/* allocated size of buf */ XTERN bool using_plan_a;		/* try to keep everything in memory */ XTERN char *inname;XTERN char *outfile;XTERN int inerrno;XTERN int invc;XTERN struct stat instat;XTERN bool dry_run;XTERN bool posixly_correct; XTERN char const *origprae;XTERN char const *origbase; XTERN char const * volatile TMPOUTNAME;XTERN char const * volatile TMPINNAME;XTERN char const * volatile TMPPATNAME; #ifdef DEBUGGINGXTERN int debug;#else# define debug 0#endifXTERN bool force;XTERN bool batch;XTERN bool noreverse;XTERN int reverse;XTERN enum { DEFAULT_VERBOSITY, SILENT, VERBOSE } verbosity;XTERN bool skip_rest_of_patch;XTERN int strippath;XTERN bool canonicalize;XTERN int patch_get;XTERN int set_time;XTERN int set_utc; enum diff  {    NO_DIFF,    CONTEXT_DIFF,    NORMAL_DIFF,    ED_DIFF,    NEW_CONTEXT_DIFF,    UNI_DIFF  }; XTERN enum diff diff_type; XTERN char *revision;			/* prerequisite revision, if any */ #ifdef __STDC__# define GENERIC_OBJECT void#else# define GENERIC_OBJECT char#endif #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) || __STRICT_ANSI__# define __attribute__(x)#endif #ifndef PARAMS# ifdef __STDC__#  define PARAMS(args) args# else#  define PARAMS(args) ()# endif#endif GENERIC_OBJECT *xmalloc PARAMS ((size_t));void fatal_exit PARAMS ((int)) __attribute__ ((noreturn)); #include <errno.h>#if !STDC_HEADERS && !defined errnoextern int errno;#endif #if STDC_HEADERS || HAVE_STRING_H# include <string.h>#else# if !HAVE_MEMCHR#  define memcmp(s1, s2, n) bcmp (s1, s2, n)#  define memcpy(d, s, n) bcopy (s, d, n)GENERIC_OBJECT *memchr ();# endif#endif #if STDC_HEADERS# include <stdlib.h>#elselong atol ();char *getenv ();GENERIC_OBJECT *malloc ();GENERIC_OBJECT *realloc ();#endif #if HAVE_UNISTD_H# include <unistd.h>#endif#ifndef lseekoff_t lseek ();#endif#ifndef SEEK_SET#define SEEK_SET 0#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 _LFS_LARGEFILE  typedef off_t file_offset;# define file_seek fseeko# define file_tell ftello#else  typedef long file_offset;# define file_seek fseek# define file_tell ftell#endif #if HAVE_FCNTL_H# include <fcntl.h>#endif#ifndef O_RDONLY#define O_RDONLY 0#endif#ifndef O_WRONLY#define O_WRONLY 1#endif#ifndef O_RDWR#define O_RDWR 2#endif#ifndef _O_BINARY#define _O_BINARY 0#endif#ifndef O_BINARY#define O_BINARY _O_BINARY#endif#ifndef O_CREAT#define O_CREAT 0#endif#ifndef O_TRUNC#define O_TRUNC 0#endif #if HAVE_SETMODE  XTERN int binary_transput;	/* O_BINARY if binary i/o is desired */#else# define binary_transput 0#endif #ifndef NULL_DEVICE#define NULL_DEVICE "/dev/null"#endif #ifndef TTY_DEVICE#define TTY_DEVICE "/dev/tty"#endif