common.h revision 285976 
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: stable/10/usr.bin/patch/common.h 285976 2015-07-28 19:58:44Z delphij $
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
47#define	RCSSUFFIX ",v"
48#define	CHECKOUT "/usr/bin/co"
49#define	RCSDIFF "/usr/bin/rcsdiff"
50
51#define	ORIGEXT ".orig"
52#define	REJEXT ".rej"
53
54/* handy definitions */
55
56#define	strNE(s1,s2) (strcmp(s1, s2))
57#define	strEQ(s1,s2) (!strcmp(s1, s2))
58#define	strnNE(s1,s2,l) (strncmp(s1, s2, l))
59#define	strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
60
61/* typedefs */
62
63typedef long    LINENUM;	/* must be signed */
64
65/* globals */
66
67extern mode_t	filemode;
68
69extern char	*buf;		/* general purpose buffer */
70extern size_t	buf_size;	/* size of general purpose buffer */
71
72extern bool	using_plan_a;	/* try to keep everything in memory */
73extern bool	out_of_mem;	/* ran out of memory in plan a */
74
75#define	MAXFILEC 2
76
77extern char	*filearg[MAXFILEC];
78extern bool	ok_to_create_file;
79extern char	*outname;
80extern char	*origprae;
81
82extern char	*TMPOUTNAME;
83extern char	*TMPINNAME;
84extern char	*TMPREJNAME;
85extern char	*TMPPATNAME;
86extern bool	toutkeep;
87extern bool	trejkeep;
88
89#ifdef DEBUGGING
90extern int	debug;
91#endif
92
93extern bool	force;
94extern bool	batch;
95extern bool	verbose;
96extern bool	reverse;
97extern bool	noreverse;
98extern bool	skip_rest_of_patch;
99extern int	strippath;
100extern bool	canonicalize;
101/* TRUE if -C was specified on command line.  */
102extern bool	check_only;
103extern bool	warn_on_invalid_line;
104extern bool	last_line_missing_eol;
105
106
107#define	CONTEXT_DIFF 1
108#define	NORMAL_DIFF 2
109#define	ED_DIFF 3
110#define	NEW_CONTEXT_DIFF 4
111#define	UNI_DIFF 5
112
113extern int	diff_type;
114extern char	*revision;	/* prerequisite revision, if any */
115extern LINENUM	input_lines;	/* how long is input file in lines */
116
117extern int	posix;
118
119