common.h revision 285979 
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: releng/10.1/usr.bin/patch/common.h 285979 2015-07-28 19:59:11Z 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
44#define	SCCSPREFIX "s."
45
46#define	RCSSUFFIX ",v"
47#define	CHECKOUT "/usr/bin/co"
48#define	RCSDIFF "/usr/bin/rcsdiff"
49
50#define	ORIGEXT ".orig"
51#define	REJEXT ".rej"
52
53/* handy definitions */
54
55#define	strNE(s1,s2) (strcmp(s1, s2))
56#define	strEQ(s1,s2) (!strcmp(s1, s2))
57#define	strnNE(s1,s2,l) (strncmp(s1, s2, l))
58#define	strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
59
60/* typedefs */
61
62typedef long    LINENUM;	/* must be signed */
63
64/* globals */
65
66extern mode_t	filemode;
67
68extern char	*buf;		/* general purpose buffer */
69extern size_t	buf_size;	/* size of general purpose buffer */
70
71extern bool	using_plan_a;	/* try to keep everything in memory */
72extern bool	out_of_mem;	/* ran out of memory in plan a */
73
74#define	MAXFILEC 2
75
76extern char	*filearg[MAXFILEC];
77extern bool	ok_to_create_file;
78extern char	*outname;
79extern char	*origprae;
80
81extern char	*TMPOUTNAME;
82extern char	*TMPINNAME;
83extern char	*TMPREJNAME;
84extern char	*TMPPATNAME;
85extern bool	toutkeep;
86extern bool	trejkeep;
87
88#ifdef DEBUGGING
89extern int	debug;
90#endif
91
92extern bool	force;
93extern bool	batch;
94extern bool	verbose;
95extern bool	reverse;
96extern bool	noreverse;
97extern bool	skip_rest_of_patch;
98extern int	strippath;
99extern bool	canonicalize;
100/* TRUE if -C was specified on command line.  */
101extern bool	check_only;
102extern bool	warn_on_invalid_line;
103extern bool	last_line_missing_eol;
104
105
106#define	CONTEXT_DIFF 1
107#define	NORMAL_DIFF 2
108#define	ED_DIFF 3
109#define	NEW_CONTEXT_DIFF 4
110#define	UNI_DIFF 5
111
112extern int	diff_type;
113extern char	*revision;	/* prerequisite revision, if any */
114extern LINENUM	input_lines;	/* how long is input file in lines */
115
116extern int	posix;
117
118