source: vendor/patch/2.5.9/common.h@ 3476

Last change on this file since 3476 was 3444, checked in by bird, 18 years ago

patch 2.5.9
File size: 6.2 KB
Line 
1/* common definitions for `patch' */
2
3/* $Id: common.h,v 1.34 2003/05/19 06:57:36 eggert Exp $ */
4
5/* Copyright (C) 1986, 1988 Larry Wall
6
7 Copyright (C) 1990, 1991, 1992, 1993, 1997, 1998, 1999, 2002, 2003
8 Free Software Foundation, Inc.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2, or (at your option)
13 any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
18 See the GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; see the file COPYING.
22 If not, write to the Free Software Foundation,
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24
25#ifndef DEBUGGING
26#define DEBUGGING 1
27#endif
28
29#include <config.h>
30
31#include <assert.h>
32#include <stdbool.h>
33#include <stdio.h>
34#include <sys/types.h>
35#include <time.h>
36
37#include <sys/stat.h>
38#if ! defined S_ISDIR && defined S_IFDIR
39# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
40#endif
41#if ! defined S_ISREG && defined S_IFREG
42# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
43#endif
44#ifndef S_IXOTH
45#define S_IXOTH 1
46#endif
47#ifndef S_IWOTH
48#define S_IWOTH 2
49#endif
50#ifndef S_IROTH
51#define S_IROTH 4
52#endif
53#ifndef S_IXGRP
54#define S_IXGRP (S_IXOTH << 3)
55#endif
56#ifndef S_IWGRP
57#define S_IWGRP (S_IWOTH << 3)
58#endif
59#ifndef S_IRGRP
60#define S_IRGRP (S_IROTH << 3)
61#endif
62#ifndef S_IXUSR
63#define S_IXUSR (S_IXOTH << 6)
64#endif
65#ifndef S_IWUSR
66#define S_IWUSR (S_IWOTH << 6)
67#endif
68#ifndef S_IRUSR
69#define S_IRUSR (S_IROTH << 6)
70#endif
71#ifdef MKDIR_TAKES_ONE_ARG
72# define mkdir(name, mode) ((mkdir) (name))
73#endif
74
75#if HAVE_LIMITS_H
76# include <limits.h>
77#endif
78#ifndef CHAR_BIT
79#define CHAR_BIT 8
80#endif
81/* The extra casts work around common compiler bugs,
82 e.g. Cray C 5.0.3.0 time_t. */
83#define TYPE_SIGNED(t) ((t) -1 < (t) 0)
84#define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
85 ? (t) (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)) \
86 : (t) 0))
87#define TYPE_MAXIMUM(t) ((t) ((t) ~ (t) 0 - TYPE_MINIMUM (t)))
88#ifndef CHAR_MAX
89#define CHAR_MAX TYPE_MAXIMUM (char)
90#endif
91#ifndef INT_MAX
92#define INT_MAX TYPE_MAXIMUM (int)
93#endif
94#ifndef LONG_MIN
95#define LONG_MIN TYPE_MINIMUM (long)
96#endif
97
98#if HAVE_INTTYPES_H
99# include <inttypes.h>
100#endif
101#ifndef SIZE_MAX
102/* On some nonstandard hosts, size_t is signed,
103 so SIZE_MAX != (size_t) -1. */
104#define SIZE_MAX TYPE_MAXIMUM (size_t)
105#endif
106
107#include <ctype.h>
108/* CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given
109 as an argument to <ctype.h> macros like `isspace'. */
110#if STDC_HEADERS
111#define CTYPE_DOMAIN(c) 1
112#else
113#define CTYPE_DOMAIN(c) ((unsigned) (c) <= 0177)
114#endif
115#ifndef ISSPACE
116#define ISSPACE(c) (CTYPE_DOMAIN (c) && isspace (c))
117#endif
118
119#ifndef ISDIGIT
120#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
121#endif
122
123
124/* handy definitions */
125
126#define strEQ(s1,s2) (!strcmp(s1, s2))
127#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
128
129/* typedefs */
130
131typedef off_t LINENUM; /* must be signed */
132
133/* globals */
134
135XTERN char *program_name; /* The name this program was run with. */
136
137XTERN char *buf; /* general purpose buffer */
138XTERN size_t bufsize; /* allocated size of buf */
139
140XTERN bool using_plan_a; /* try to keep everything in memory */
141
142XTERN char *inname;
143XTERN char *outfile;
144XTERN int inerrno;
145XTERN int invc;
146XTERN struct stat instat;
147XTERN bool dry_run;
148XTERN bool posixly_correct;
149
150XTERN char const *origprae;
151XTERN char const *origbase;
152
153XTERN char const * volatile TMPINNAME;
154XTERN char const * volatile TMPOUTNAME;
155XTERN char const * volatile TMPPATNAME;
156
157XTERN int volatile TMPINNAME_needs_removal;
158XTERN int volatile TMPOUTNAME_needs_removal;
159XTERN int volatile TMPPATNAME_needs_removal;
160
161#ifdef DEBUGGING
162XTERN int debug;
163#else
164# define debug 0
165#endif
166XTERN bool force;
167XTERN bool batch;
168XTERN bool noreverse;
169XTERN bool reverse;
170XTERN enum { DEFAULT_VERBOSITY, SILENT, VERBOSE } verbosity;
171XTERN bool skip_rest_of_patch;
172XTERN int strippath;
173XTERN bool canonicalize;
174XTERN int patch_get;
175XTERN bool set_time;
176XTERN bool set_utc;
177
178enum diff
179 {
180 NO_DIFF,
181 CONTEXT_DIFF,
182 NORMAL_DIFF,
183 ED_DIFF,
184 NEW_CONTEXT_DIFF,
185 UNI_DIFF
186 };
187
188XTERN enum diff diff_type;
189
190XTERN char *revision; /* prerequisite revision, if any */
191
192#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) || __STRICT_ANSI__
193# define __attribute__(x)
194#endif
195
196void fatal_exit (int) __attribute__ ((noreturn));
197
198#include <errno.h>
199#if !STDC_HEADERS && !defined errno
200extern int errno;
201#endif
202
203#if STDC_HEADERS || HAVE_STRING_H
204# include <string.h>
205#else
206# if !HAVE_MEMCHR
207# define memcmp(s1, s2, n) bcmp (s1, s2, n)
208# define memcpy(d, s, n) bcopy (s, d, n)
209void *memchr ();
210# endif
211#endif
212
213#if STDC_HEADERS
214# include <stdlib.h>
215#else
216char *getenv ();
217void *malloc ();
218void *realloc ();
219#endif
220
221#if HAVE_UNISTD_H
222# include <unistd.h>
223#else
224# ifndef lseek
225 off_t lseek ();
226# endif
227#endif
228#ifndef SEEK_SET
229#define SEEK_SET 0
230#endif
231#ifndef STDIN_FILENO
232#define STDIN_FILENO 0
233#endif
234#ifndef STDOUT_FILENO
235#define STDOUT_FILENO 1
236#endif
237#ifndef STDERR_FILENO
238#define STDERR_FILENO 2
239#endif
240#if HAVE_FSEEKO
241 typedef off_t file_offset;
242# define file_seek fseeko
243# define file_tell ftello
244#else
245 typedef long file_offset;
246# define file_seek fseek
247# define file_tell ftell
248#endif
249#if ! (HAVE_GETEUID || defined geteuid)
250# if ! (HAVE_GETUID || defined getuid)
251# define geteuid() (-1)
252# else
253# define geteuid() getuid ()
254# endif
255#endif
256
257#if HAVE_FCNTL_H
258# include <fcntl.h>
259#endif
260#ifndef O_RDONLY
261#define O_RDONLY 0
262#endif
263#ifndef O_WRONLY
264#define O_WRONLY 1
265#endif
266#ifndef O_RDWR
267#define O_RDWR 2
268#endif
269#ifndef _O_BINARY
270#define _O_BINARY 0
271#endif
272#ifndef O_BINARY
273#define O_BINARY _O_BINARY
274#endif
275#ifndef O_CREAT
276#define O_CREAT 0
277#endif
278#ifndef O_EXCL
279#define O_EXCL 0
280#endif
281#ifndef O_TRUNC
282#define O_TRUNC 0
283#endif
284
285#if HAVE_SETMODE_DOS
286 XTERN int binary_transput; /* O_BINARY if binary i/o is desired */
287#else
288# define binary_transput 0
289#endif
290
291#ifndef NULL_DEVICE
292#define NULL_DEVICE "/dev/null"
293#endif
294
295#ifndef TTY_DEVICE
296#define TTY_DEVICE "/dev/tty"
297#endif
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