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 SCCSPREFIX "s."
46 #define GET "get -e %s"
47 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
49 #define RCSSUFFIX ",v"
50 #define CHECKOUT "co -l %s"
51 #define RCSDIFF "rcsdiff %s > /dev/null"
53 #define ORIGEXT ".orig"
56 /* handy definitions */
58 #define strNE(s1,s2) (strcmp(s1, s2))
59 #define strEQ(s1,s2) (!strcmp(s1, s2))
60 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
61 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
65 typedef long LINENUM; /* must be signed */
69 extern mode_t filemode;
71 extern char *buf; /* general purpose buffer */
72 extern size_t buf_size; /* size of general purpose buffer */
74 extern bool using_plan_a; /* try to keep everything in memory */
75 extern bool out_of_mem; /* ran out of memory in plan a */
79 extern char *filearg[MAXFILEC];
80 extern bool ok_to_create_file;
82 extern char *origprae;
84 extern char *TMPOUTNAME;
85 extern char *TMPINNAME;
86 extern char *TMPREJNAME;
87 extern char *TMPPATNAME;
99 extern bool noreverse;
100 extern bool skip_rest_of_patch;
101 extern int strippath;
102 extern bool canonicalize;
103 /* TRUE if -C was specified on command line. */
104 extern bool check_only;
105 extern bool warn_on_invalid_line;
106 extern bool last_line_missing_eol;
109 #define CONTEXT_DIFF 1
110 #define NORMAL_DIFF 2
112 #define NEW_CONTEXT_DIFF 4
115 extern int diff_type;
116 extern char *revision; /* prerequisite revision, if any */
117 extern LINENUM input_lines; /* how long is input file in lines */