2 * Copyright 1986, Larry Wall
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following condition is met:
6 * 1. Redistributions of source code must retain the above copyright notice,
7 * this condition and the following disclaimer.
9 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
10 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
11 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
12 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
13 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
14 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
15 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
16 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
17 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
18 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
21 * patch - a program to apply diffs to original files
23 * -C option added in 1998, original code by Marc Espie, based on FreeBSD
26 * $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
30 #include <sys/types.h>
39 #define MAXHUNKSIZE 200000 /* is this enough lines? */
40 #define INITHUNKMAX 125 /* initial dynamic allocation size */
41 #define INITLINELEN 4096
42 #define BUFFERSIZE 4096
43 #define LINENUM_MAX LONG_MAX
45 #define ORIGEXT ".orig"
48 /* handy definitions */
50 #define strEQ(s1,s2) (strcmp(s1, s2) == 0)
51 #define strnNE(s1,s2,l) (strncmp(s1, s2, l) != 0)
52 #define strnEQ(s1,s2,l) (strncmp(s1, s2, l) == 0)
56 typedef long LINENUM; /* must be signed */
60 extern mode_t filemode;
62 extern char *buf; /* general purpose buffer */
63 extern size_t buf_size; /* size of general purpose buffer */
65 extern bool using_plan_a; /* try to keep everything in memory */
66 extern bool out_of_mem; /* ran out of memory in plan a */
67 extern bool nonempty_patchf_seen; /* seen a non-zero-length patch file? */
71 extern char *filearg[MAXFILEC];
72 extern bool ok_to_create_file;
74 extern char *origprae;
76 extern char *TMPOUTNAME;
77 extern char *TMPINNAME;
78 extern char *TMPREJNAME;
79 extern char *TMPPATNAME;
91 extern bool noreverse;
92 extern bool skip_rest_of_patch;
94 extern bool canonicalize;
95 /* TRUE if -C was specified on command line. */
96 extern bool check_only;
97 extern bool warn_on_invalid_line;
98 extern bool last_line_missing_eol;
101 #define CONTEXT_DIFF 1
102 #define NORMAL_DIFF 2
104 #define NEW_CONTEXT_DIFF 4
107 extern int diff_type;
108 extern char *revision; /* prerequisite revision, if any */
109 extern LINENUM input_lines; /* how long is input file in lines */