File: common.h

package info (click to toggle)
patch 2.7.6-7
  • links: PTS
  • area: main
  • in suites: bullseye, sid
  • size: 7,200 kB
  • sloc: ansic: 40,051; sh: 6,547; yacc: 1,842; makefile: 140; sed: 54
file content (222 lines) | stat: -rw-r--r-- 5,258 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/* 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 char const * TMPEDNAME;

XTERN bool TMPINNAME_needs_removal;
XTERN bool TMPOUTNAME_needs_removal;
XTERN bool TMPPATNAME_needs_removal;
XTERN bool TMPEDNAME_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_ws;
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