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 */
28
29#include <sys/types.h>
30
31#include <stdbool.h>
32#include <stdint.h>
33
34#define	DEBUGGING
35
36/* constants */
37
38#define	MAXHUNKSIZE 200000	/* is this enough lines? */
39#define	INITHUNKMAX 125		/* initial dynamic allocation size */
40#define	INITLINELEN 4096
41#define	BUFFERSIZE 4096
42#define	LINENUM_MAX LONG_MAX
43
44#define	ORIGEXT ".orig"
45#define	REJEXT ".rej"
46
47/* handy definitions */
48
49#define	strEQ(s1,s2) (strcmp(s1, s2) == 0)
50#define	strnNE(s1,s2,l) (strncmp(s1, s2, l) != 0)
51#define	strnEQ(s1,s2,l) (strncmp(s1, s2, l) == 0)
52
53/* typedefs */
54
55typedef long    LINENUM;	/* must be signed */
56
57/* globals */
58
59extern mode_t	filemode;
60
61extern char	*buf;		/* general purpose buffer */
62extern size_t	buf_size;	/* size of general purpose buffer */
63
64extern bool	using_plan_a;	/* try to keep everything in memory */
65extern bool	out_of_mem;	/* ran out of memory in plan a */
66extern bool	nonempty_patchf_seen;	/* seen a non-zero-length patch file? */
67
68#define	MAXFILEC 2
69
70extern char	*filearg[MAXFILEC];
71extern bool	ok_to_create_file;
72extern char	*outname;
73extern char	*origprae;
74
75extern char	*TMPOUTNAME;
76extern char	*TMPINNAME;
77extern char	*TMPREJNAME;
78extern char	*TMPPATNAME;
79extern bool	toutkeep;
80extern bool	trejkeep;
81
82#ifdef DEBUGGING
83extern int	debug;
84#endif
85
86extern bool	force;
87extern bool	batch;
88extern bool	verbose;
89extern bool	reverse;
90extern bool	noreverse;
91extern bool	skip_rest_of_patch;
92extern int	strippath;
93extern bool	canonicalize;
94/* TRUE if -C was specified on command line.  */
95extern bool	check_only;
96extern bool	warn_on_invalid_line;
97extern bool	last_line_missing_eol;
98
99
100#define	CONTEXT_DIFF 1
101#define	NORMAL_DIFF 2
102#define	ED_DIFF 3
103#define	NEW_CONTEXT_DIFF 4
104#define	UNI_DIFF 5
105
106extern int	diff_type;
107extern char	*revision;	/* prerequisite revision, if any */
108extern LINENUM	input_lines;	/* how long is input file in lines */
109
110extern int	posix;
111
112