summaryrefslogtreecommitdiff
path: root/usr.bin/patch/common.h
blob: 4101a5757470dc6133c10947715b9ccd442c9606 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
/*	$OpenBSD: common.h,v 1.25 2003/10/31 20:20:45 millert Exp $	*/

/*
 * patch - a program to apply diffs to original files
 * 
 * Copyright 1986, Larry Wall
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following condition is met:
 * 1. Redistributions of source code must retain the above copyright notice,
 * this condition and the following disclaimer.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * -C option added in 1998, original code by Marc Espie, based on FreeBSD
 * behaviour
 */

#include <stdbool.h>

#define DEBUGGING

/* constants */

#define MAXHUNKSIZE 100000	/* is this enough lines? */
#define INITHUNKMAX 125		/* initial dynamic allocation size */
#define MAXLINELEN 8192
#define BUFFERSIZE 1024

#define SCCSPREFIX "s."
#define GET "get -e %s"
#define SCCSDIFF "get -p %s | diff - %s >/dev/null"

#define RCSSUFFIX ",v"
#define CHECKOUT "co -l %s"
#define RCSDIFF "rcsdiff %s > /dev/null"

#define ORIGEXT ".orig"
#define REJEXT ".rej"

/* handy definitions */

#define strNE(s1,s2) (strcmp(s1, s2))
#define strEQ(s1,s2) (!strcmp(s1, s2))
#define strnNE(s1,s2,l) (strncmp(s1, s2, l))
#define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))

/* typedefs */

typedef long    LINENUM;	/* must be signed */

/* globals */

extern int	filemode;

extern char	buf[MAXLINELEN];/* general purpose buffer */

extern bool	using_plan_a;	/* try to keep everything in memory */
extern bool	out_of_mem;	/* ran out of memory in plan a */

#define MAXFILEC 2

extern char	*filearg[MAXFILEC];
extern bool	ok_to_create_file;
extern char	*outname;
extern char	*origprae;

extern char	*TMPOUTNAME;
extern char	*TMPINNAME;
extern char	*TMPREJNAME;
extern char	*TMPPATNAME;
extern bool	toutkeep;
extern bool	trejkeep;

#ifdef DEBUGGING
extern int	debug;
#endif

extern bool	force;
extern bool	batch;
extern bool	verbose;
extern bool	reverse;
extern bool	noreverse;
extern bool	skip_rest_of_patch;
extern int	strippath;
extern bool	canonicalize;
/* TRUE if -C was specified on command line.  */
extern bool	check_only;
extern bool	warn_on_invalid_line;
extern bool	last_line_missing_eol;


#define CONTEXT_DIFF 1
#define NORMAL_DIFF 2
#define ED_DIFF 3
#define NEW_CONTEXT_DIFF 4
#define UNI_DIFF 5

extern int	diff_type;
extern char	*revision;	/* prerequisite revision, if any */
extern LINENUM	input_lines;	/* how long is input file in lines */

extern int	posix;