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
115
116
|
/* $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto 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 <sys/types.h>
#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 mode_t 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;
|
