xref: /freebsd/usr.bin/patch/common.h (revision 4e1bc9a039df516be13abb902ab76677fef81b1d)
1 /*-
2  * Copyright 1986, Larry Wall
3  *
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.
8  *
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
19  * SUCH DAMAGE.
20  *
21  * patch - a program to apply diffs to original files
22  *
23  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
24  * behaviour
25  *
26  * $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
27  * $FreeBSD$
28  */
29 
30 #include <sys/types.h>
31 
32 #include <stdbool.h>
33 #include <stdint.h>
34 
35 #define	DEBUGGING
36 
37 /* constants */
38 
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
44 
45 #define	SCCSPREFIX "s."
46 #define	GET "get -e %s"
47 #define	SCCSDIFF "get -p %s | diff - %s >/dev/null"
48 
49 #define	RCSSUFFIX ",v"
50 #define	CHECKOUT "co -l %s"
51 #define	RCSDIFF "rcsdiff %s > /dev/null"
52 
53 #define	ORIGEXT ".orig"
54 #define	REJEXT ".rej"
55 
56 /* handy definitions */
57 
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))
62 
63 /* typedefs */
64 
65 typedef long    LINENUM;	/* must be signed */
66 
67 /* globals */
68 
69 extern mode_t	filemode;
70 
71 extern char	*buf;		/* general purpose buffer */
72 extern size_t	buf_size;	/* size of general purpose buffer */
73 
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 */
76 
77 #define	MAXFILEC 2
78 
79 extern char	*filearg[MAXFILEC];
80 extern bool	ok_to_create_file;
81 extern char	*outname;
82 extern char	*origprae;
83 
84 extern char	*TMPOUTNAME;
85 extern char	*TMPINNAME;
86 extern char	*TMPREJNAME;
87 extern char	*TMPPATNAME;
88 extern bool	toutkeep;
89 extern bool	trejkeep;
90 
91 #ifdef DEBUGGING
92 extern int	debug;
93 #endif
94 
95 extern bool	force;
96 extern bool	batch;
97 extern bool	verbose;
98 extern bool	reverse;
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;
107 
108 
109 #define	CONTEXT_DIFF 1
110 #define	NORMAL_DIFF 2
111 #define	ED_DIFF 3
112 #define	NEW_CONTEXT_DIFF 4
113 #define	UNI_DIFF 5
114 
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 */
118 
119 extern int	posix;
120 
121