Subversion Repositories planix.SVN

/* common definitions for `patch' */

/* $Id: common.h,v 1.18 1997/06/13 06:28:37 eggert Exp $ */

/*

Copyright 1986, 1988 Larry Wall

Copyright 1990, 1991, 1992, 1993, 1997 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; 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 DEBUGGING

XTERN int debug;

#else

# define debug 0

#endif

XTERN 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 errno

extern 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>

#else

long atol ();

char *getenv ();

GENERIC_OBJECT *malloc ();

GENERIC_OBJECT *realloc ();

#endif

#if HAVE_UNISTD_H

# include <unistd.h>

#endif

#ifndef lseek

off_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