4 32cb896c 2018-03-11 stsp * Copyright (c) 1991, 1993
5 32cb896c 2018-03-11 stsp * The Regents of the University of California. All rights reserved.
7 32cb896c 2018-03-11 stsp * Redistribution and use in source and binary forms, with or without
8 32cb896c 2018-03-11 stsp * modification, are permitted provided that the following conditions
10 32cb896c 2018-03-11 stsp * 1. Redistributions of source code must retain the above copyright
11 32cb896c 2018-03-11 stsp * notice, this list of conditions and the following disclaimer.
12 32cb896c 2018-03-11 stsp * 2. Redistributions in binary form must reproduce the above copyright
13 32cb896c 2018-03-11 stsp * notice, this list of conditions and the following disclaimer in the
14 32cb896c 2018-03-11 stsp * documentation and/or other materials provided with the distribution.
15 32cb896c 2018-03-11 stsp * 3. Neither the name of the University nor the names of its contributors
16 32cb896c 2018-03-11 stsp * may be used to endorse or promote products derived from this software
17 32cb896c 2018-03-11 stsp * without specific prior written permission.
19 32cb896c 2018-03-11 stsp * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 32cb896c 2018-03-11 stsp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 32cb896c 2018-03-11 stsp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 32cb896c 2018-03-11 stsp * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 32cb896c 2018-03-11 stsp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 32cb896c 2018-03-11 stsp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 32cb896c 2018-03-11 stsp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 32cb896c 2018-03-11 stsp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 32cb896c 2018-03-11 stsp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 32cb896c 2018-03-11 stsp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 32cb896c 2018-03-11 stsp * SUCH DAMAGE.
31 32cb896c 2018-03-11 stsp * @(#)diff.h 8.1 (Berkeley) 6/6/93
34 32cb896c 2018-03-11 stsp #include <sys/types.h>
35 32cb896c 2018-03-11 stsp #include <regex.h>
38 32cb896c 2018-03-11 stsp * Output format options
40 32cb896c 2018-03-11 stsp #define D_NORMAL 0 /* Normal output */
41 32cb896c 2018-03-11 stsp #define D_EDIT -1 /* Editor script out */
42 32cb896c 2018-03-11 stsp #define D_REVERSE 1 /* Reverse editor script */
43 32cb896c 2018-03-11 stsp #define D_CONTEXT 2 /* Diff with context */
44 32cb896c 2018-03-11 stsp #define D_UNIFIED 3 /* Unified context diff */
45 32cb896c 2018-03-11 stsp #define D_IFDEF 4 /* Diff with merged #ifdef's */
46 32cb896c 2018-03-11 stsp #define D_NREVERSE 5 /* Reverse ed script with numbered
47 32cb896c 2018-03-11 stsp lines and no trailing . */
48 32cb896c 2018-03-11 stsp #define D_BRIEF 6 /* Say if the files differ */
51 32cb896c 2018-03-11 stsp * Output flags
53 32cb896c 2018-03-11 stsp #define D_HEADER 0x001 /* Print a header/footer between files */
54 32cb896c 2018-03-11 stsp #define D_EMPTY1 0x002 /* Treat first file as empty (/dev/null) */
55 32cb896c 2018-03-11 stsp #define D_EMPTY2 0x004 /* Treat second file as empty (/dev/null) */
58 32cb896c 2018-03-11 stsp * Command line flags
60 32cb896c 2018-03-11 stsp #define D_FORCEASCII 0x008 /* Treat file as ascii regardless of content */
61 32cb896c 2018-03-11 stsp #define D_FOLDBLANKS 0x010 /* Treat all white space as equal */
62 32cb896c 2018-03-11 stsp #define D_MINIMAL 0x020 /* Make diff as small as possible */
63 32cb896c 2018-03-11 stsp #define D_IGNORECASE 0x040 /* Case-insensitive matching */
64 32cb896c 2018-03-11 stsp #define D_PROTOTYPE 0x080 /* Display C function prototype */
65 32cb896c 2018-03-11 stsp #define D_EXPANDTABS 0x100 /* Expand tabs to spaces */
66 32cb896c 2018-03-11 stsp #define D_IGNOREBLANKS 0x200 /* Ignore white space changes */
69 32cb896c 2018-03-11 stsp * Status values for print_status() and diffreg() return values
71 32cb896c 2018-03-11 stsp #define D_SAME 0 /* Files are the same */
72 32cb896c 2018-03-11 stsp #define D_DIFFER 1 /* Files are different */
73 32cb896c 2018-03-11 stsp #define D_BINARY 2 /* Binary files are different */
74 32cb896c 2018-03-11 stsp #define D_MISMATCH1 3 /* path1 was a dir, path2 a file */
75 32cb896c 2018-03-11 stsp #define D_MISMATCH2 4 /* path1 was a file, path2 a dir */
76 32cb896c 2018-03-11 stsp #define D_SKIPPED1 5 /* path1 was a special file */
77 32cb896c 2018-03-11 stsp #define D_SKIPPED2 6 /* path2 was a special file */
79 32cb896c 2018-03-11 stsp struct excludes {
80 32cb896c 2018-03-11 stsp char *pattern;
81 32cb896c 2018-03-11 stsp struct excludes *next;
84 32cb896c 2018-03-11 stsp struct got_diff_state {
85 32cb896c 2018-03-11 stsp int *J; /* will be overlaid on class */
86 32cb896c 2018-03-11 stsp int *class; /* will be overlaid on file[0] */
87 32cb896c 2018-03-11 stsp int *klist; /* will be overlaid on file[0] after class */
88 32cb896c 2018-03-11 stsp int *member; /* will be overlaid on file[1] */
90 32cb896c 2018-03-11 stsp int inifdef; /* whether or not we are in a #ifdef block */
92 32cb896c 2018-03-11 stsp int pref, suff; /* length of prefix and suffix */
93 32cb896c 2018-03-11 stsp int slen[2];
94 32cb896c 2018-03-11 stsp int anychange;
95 32cb896c 2018-03-11 stsp long *ixnew; /* will be overlaid on file[1] */
96 32cb896c 2018-03-11 stsp long *ixold; /* will be overlaid on klist */
97 32cb896c 2018-03-11 stsp struct cand *clist; /* merely a free storage pot for candidates */
98 32cb896c 2018-03-11 stsp int clistlen; /* the length of clist */
99 32cb896c 2018-03-11 stsp struct line *sfile[2]; /* shortened by pruning common prefix/suffix */
100 32cb896c 2018-03-11 stsp u_char *chrtran; /* translation table for case-folding */
101 32cb896c 2018-03-11 stsp struct context_vec *context_vec_start;
102 32cb896c 2018-03-11 stsp struct context_vec *context_vec_end;
103 32cb896c 2018-03-11 stsp struct context_vec *context_vec_ptr;
104 32cb896c 2018-03-11 stsp struct line *file[2];
105 32cb896c 2018-03-11 stsp #define FUNCTION_CONTEXT_SIZE 55
106 32cb896c 2018-03-11 stsp char lastbuf[FUNCTION_CONTEXT_SIZE];
107 32cb896c 2018-03-11 stsp int lastline;
108 32cb896c 2018-03-11 stsp int lastmatchline;
109 32cb896c 2018-03-11 stsp struct stat stb1, stb2;
112 32cb896c 2018-03-11 stsp struct got_diff_args {
114 32cb896c 2018-03-11 stsp int diff_format, diff_context, status;
115 32cb896c 2018-03-11 stsp char *ifdefname, *diffargs, *ignore_pats;
116 32cb896c 2018-03-11 stsp const char *label[2];
119 32cb896c 2018-03-11 stsp char *splice(char *, char *);
120 32cb896c 2018-03-11 stsp const struct got_error *got_diffreg(int *, FILE *,
121 32cb896c 2018-03-11 stsp FILE *, int, struct got_diff_args *, struct got_diff_state *, FILE *);
122 32cb896c 2018-03-11 stsp int easprintf(char **, const char *, ...);
123 32cb896c 2018-03-11 stsp void *emalloc(size_t);
124 32cb896c 2018-03-11 stsp void *erealloc(void *, size_t);
125 32cb896c 2018-03-11 stsp void diffdir(char *, char *, int);
126 32cb896c 2018-03-11 stsp void print_only(const char *, size_t, const char *);
127 32cb896c 2018-03-11 stsp void print_status(int, char *, char *, char *);
