common.h revision 275841 
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 275841 2014-12-16 21:13:55Z pfg $
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
65typedef long    LINENUM;	/* must be signed */
66
67/* globals */
68
69extern mode_t	filemode;
70
71extern char	*buf;		/* general purpose buffer */
72extern size_t	buf_size;	/* size of general purpose buffer */
73
74extern bool	using_plan_a;	/* try to keep everything in memory */
75extern bool	out_of_mem;	/* ran out of memory in plan a */
76
77#define	MAXFILEC 2
78
79extern char	*filearg[MAXFILEC];
80extern bool	ok_to_create_file;
81extern char	*outname;
82extern char	*origprae;
83
84extern char	*TMPOUTNAME;
85extern char	*TMPINNAME;
86extern char	*TMPREJNAME;
87extern char	*TMPPATNAME;
88extern bool	toutkeep;
89extern bool	trejkeep;
90
91#ifdef DEBUGGING
92extern int	debug;
93#endif
94
95extern bool	force;
96extern bool	batch;
97extern bool	verbose;
98extern bool	reverse;
99extern bool	noreverse;
100extern bool	skip_rest_of_patch;
101extern int	strippath;
102extern bool	canonicalize;
103/* TRUE if -C was specified on command line.  */
104extern bool	check_only;
105extern bool	warn_on_invalid_line;
106extern 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
115extern int	diff_type;
116extern char	*revision;	/* prerequisite revision, if any */
117extern LINENUM	input_lines;	/* how long is input file in lines */
118
119extern int	posix;
120
121