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/* common definitions for 'patch' */
/* Copyright (C) 1986, 1988 Larry Wall
Copyright (C) 1990-1993, 1997-1999, 2002-2003, 2006, 2009-2012 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
#ifndef DEBUGGING
#define DEBUGGING 1
#endif
#include <config.h>
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <sys/types.h>
#include <time.h>
#include <sys/stat.h>
#include <limits.h>
#if HAVE_INTTYPES_H
# include <inttypes.h>
#elif HAVE_STDINT_H
# include <stdint.h>
#endif
#include <intprops.h>
#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
#include <progname.h>
/* handy definitions */
#define strEQ(s1,s2) (!strcmp(s1, s2))
#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
/* typedefs */
typedef off_t lin; /* must be signed */
#define LINENUM_MIN TYPE_MINIMUM (lin)
#define LINENUM_MAX TYPE_MAXIMUM (lin)
/* globals */
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 *origsuff;
XTERN char const * TMPINNAME;
XTERN char const * TMPOUTNAME;
XTERN char const * TMPPATNAME;
XTERN bool TMPINNAME_needs_removal;
XTERN bool TMPOUTNAME_needs_removal;
XTERN bool TMPPATNAME_needs_removal;
#ifdef DEBUGGING
XTERN int debug;
#else
# define debug 0
#endif
XTERN bool force;
XTERN bool batch;
XTERN bool noreverse;
XTERN bool 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 bool set_time;
XTERN bool set_utc;
XTERN bool follow_symlinks;
enum diff
{
NO_DIFF,
CONTEXT_DIFF,
NORMAL_DIFF,
ED_DIFF,
NEW_CONTEXT_DIFF,
UNI_DIFF,
GIT_BINARY_DIFF
};
XTERN enum diff diff_type;
XTERN char *revision; /* prerequisite revision, if any */
#ifndef __attribute__
/* The __attribute__ feature is available in gcc versions 2.5 and later.
The __-protected variants of the attributes 'format' and 'printf' are
accepted by gcc versions 2.6.4 (effectively 2.7) and later.
We enable __attribute__ only if these are supported too, because
gnulib and libintl do '#define printf __printf__' when they override
the 'printf' function. */
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
# define __attribute__(Spec) /* empty */
# endif
#endif
void fatal_exit (int) __attribute__ ((noreturn));
#include <errno.h>
#if !STDC_HEADERS && !defined errno
extern int errno;
#endif
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#if HAVE_FSEEKO
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_GETEUID || defined geteuid)
# if ! (HAVE_GETUID || defined getuid)
# define geteuid() (-1)
# else
# define geteuid() getuid ()
# endif
#endif
#include <fcntl.h>
#ifdef HAVE_SETMODE_DOS
XTERN int binary_transput; /* O_BINARY if binary i/o is desired */
#else
# define binary_transput 0
#endif
/* Disable the CR stripping heuristic? */
XTERN bool no_strip_trailing_cr;
#ifndef NULL_DEVICE
#define NULL_DEVICE "/dev/null"
#endif
#ifndef TTY_DEVICE
#define TTY_DEVICE "/dev/tty"
#endif
/* Output stream state. */
struct outstate
{
FILE *ofp;
bool after_newline;
bool zero_output;
};
/* offset in the input and output at which the previous hunk matched */
XTERN lin in_offset;
XTERN lin out_offset;
/* how many input lines have been irretractably output */
XTERN lin last_frozen_line;
bool copy_till (struct outstate *, lin);
bool similar (char const *, size_t, char const *, size_t) _GL_ATTRIBUTE_PURE;
#ifdef ENABLE_MERGE
enum conflict_style { MERGE_MERGE, MERGE_DIFF3 };
XTERN enum conflict_style conflict_style;
bool merge_hunk (int hunk, struct outstate *, lin where, bool *);
#else
# define merge_hunk(hunk, outstate, where, somefailed) false
#endif
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