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 $
27 * $FreeBSD: head/usr.bin/patch/common.h 246091 2013-01-29 20:05:16Z delphij $
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
44 #define SCCSPREFIX "s."
45 #define GET "get -e %s"
46 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
48 #define RCSSUFFIX ",v"
49 #define CHECKOUT "co -l %s"
50 #define RCSDIFF "rcsdiff %s > /dev/null"
52 #define ORIGEXT ".orig"
55 /* handy definitions */
57 #define strNE(s1,s2) (strcmp(s1, s2))
58 #define strEQ(s1,s2) (!strcmp(s1, s2))
59 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
60 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
64 typedef long LINENUM; /* must be signed */
68 extern mode_t filemode;
70 extern char *buf; /* general purpose buffer */
71 extern size_t buf_size; /* size of general purpose buffer */
73 extern bool using_plan_a; /* try to keep everything in memory */
74 extern bool out_of_mem; /* ran out of memory in plan a */
78 extern char *filearg[MAXFILEC];
79 extern bool ok_to_create_file;
81 extern char *origprae;
83 extern char *TMPOUTNAME;
84 extern char *TMPINNAME;
85 extern char *TMPREJNAME;
86 extern char *TMPPATNAME;
98 extern bool noreverse;
99 extern bool skip_rest_of_patch;
100 extern int strippath;
101 extern bool canonicalize;
102 /* TRUE if -C was specified on command line. */
103 extern bool check_only;
104 extern bool warn_on_invalid_line;
105 extern bool last_line_missing_eol;
108 #define CONTEXT_DIFF 1
109 #define NORMAL_DIFF 2
111 #define NEW_CONTEXT_DIFF 4
114 extern int diff_type;
115 extern char *revision; /* prerequisite revision, if any */
116 extern LINENUM input_lines; /* how long is input file in lines */