xref: /minix/usr.bin/patch/common.h (revision 9f988b79)
1 /*
2  * $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
3  * $DragonFly: src/usr.bin/patch/common.h,v 1.5 2008/08/10 23:50:12 joerg Exp $
4  * $NetBSD: common.h,v 1.19 2008/09/19 18:33:34 joerg Exp $
5  */
6 
7 /*
8  * patch - a program to apply diffs to original files
9  *
10  * Copyright 1986, Larry Wall
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following condition is met:
14  * 1. Redistributions of source code must retain the above copyright notice,
15  * this condition and the following disclaimer.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
30  * behaviour
31  */
32 
33 #include <sys/types.h>
34 
35 #include <stdbool.h>
36 #include <stdint.h>
37 
38 #define DEBUGGING
39 
40 /* constants */
41 
42 #define MAXHUNKSIZE 100000	/* is this enough lines? */
43 #define INITHUNKMAX 125		/* initial dynamic allocation size */
44 #define MAXLINELEN 8192
45 #define BUFFERSIZE 1024
46 
47 #define SCCSPREFIX "s."
48 #define GET "get -e %s"
49 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
50 
51 #define RCSSUFFIX ",v"
52 #define CHECKOUT "/usr/bin/co"
53 #define RCSDIFF "/usr/bin/rcsdiff"
54 
55 #define ORIGEXT ".orig"
56 #define REJEXT ".rej"
57 
58 /* handy definitions */
59 
60 #define strNE(s1,s2) (strcmp(s1, s2))
61 #define strEQ(s1,s2) (!strcmp(s1, s2))
62 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
63 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
64 
65 /* typedefs */
66 
67 typedef long    LINENUM;	/* must be signed */
68 
69 /* globals */
70 
71 extern mode_t	filemode;
72 
73 extern char	buf[MAXLINELEN];/* general purpose buffer */
74 extern size_t	buf_len;
75 
76 extern bool	using_plan_a;	/* try to keep everything in memory */
77 extern bool	out_of_mem;	/* ran out of memory in plan a */
78 
79 #define MAXFILEC 2
80 
81 extern char	*filearg[MAXFILEC];
82 extern bool	ok_to_create_file;
83 extern char	*outname;
84 extern char	*origprae;
85 
86 extern char	*TMPOUTNAME;
87 extern char	*TMPINNAME;
88 extern char	*TMPREJNAME;
89 extern char	*TMPPATNAME;
90 extern bool	toutkeep;
91 extern bool	trejkeep;
92 
93 #ifdef DEBUGGING
94 extern int	debug;
95 #endif
96 
97 extern bool	force;
98 extern bool	batch;
99 extern bool	verbose;
100 extern bool	reverse;
101 extern bool	noreverse;
102 extern bool	skip_rest_of_patch;
103 extern int	strippath;
104 extern bool	canonicalize;
105 /* TRUE if -C was specified on command line.  */
106 extern bool	check_only;
107 extern bool	warn_on_invalid_line;
108 extern bool	last_line_missing_eol;
109 
110 
111 #define CONTEXT_DIFF 1
112 #define NORMAL_DIFF 2
113 #define ED_DIFF 3
114 #define NEW_CONTEXT_DIFF 4
115 #define UNI_DIFF 5
116 
117 extern int	diff_type;
118 extern char	*revision;	/* prerequisite revision, if any */
119 extern LINENUM	input_lines;	/* how long is input file in lines */
120 
121 extern int	posix;
122 
123