xref: /minix3/minix/usr.bin/diff/diff.h (revision d8634bad6a79279cd9e9d2d23ed4f243d8d69da2)
1*d8634badSDavid van Moolenbroek /*	$OpenBSD: diff.h,v 1.32 2009/06/07 08:39:13 ray Exp $	*/
2*d8634badSDavid van Moolenbroek 
3*d8634badSDavid van Moolenbroek /*-
4*d8634badSDavid van Moolenbroek  * Copyright (c) 1991, 1993
5*d8634badSDavid van Moolenbroek  *	The Regents of the University of California.  All rights reserved.
6*d8634badSDavid van Moolenbroek  *
7*d8634badSDavid van Moolenbroek  * Redistribution and use in source and binary forms, with or without
8*d8634badSDavid van Moolenbroek  * modification, are permitted provided that the following conditions
9*d8634badSDavid van Moolenbroek  * are met:
10*d8634badSDavid van Moolenbroek  * 1. Redistributions of source code must retain the above copyright
11*d8634badSDavid van Moolenbroek  *    notice, this list of conditions and the following disclaimer.
12*d8634badSDavid van Moolenbroek  * 2. Redistributions in binary form must reproduce the above copyright
13*d8634badSDavid van Moolenbroek  *    notice, this list of conditions and the following disclaimer in the
14*d8634badSDavid van Moolenbroek  *    documentation and/or other materials provided with the distribution.
15*d8634badSDavid van Moolenbroek  * 3. Neither the name of the University nor the names of its contributors
16*d8634badSDavid van Moolenbroek  *    may be used to endorse or promote products derived from this software
17*d8634badSDavid van Moolenbroek  *    without specific prior written permission.
18*d8634badSDavid van Moolenbroek  *
19*d8634badSDavid van Moolenbroek  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20*d8634badSDavid van Moolenbroek  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*d8634badSDavid van Moolenbroek  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*d8634badSDavid van Moolenbroek  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23*d8634badSDavid van Moolenbroek  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*d8634badSDavid van Moolenbroek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*d8634badSDavid van Moolenbroek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*d8634badSDavid van Moolenbroek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*d8634badSDavid van Moolenbroek  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*d8634badSDavid van Moolenbroek  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*d8634badSDavid van Moolenbroek  * SUCH DAMAGE.
30*d8634badSDavid van Moolenbroek  *
31*d8634badSDavid van Moolenbroek  *	@(#)diff.h	8.1 (Berkeley) 6/6/93
32*d8634badSDavid van Moolenbroek  */
33*d8634badSDavid van Moolenbroek 
34*d8634badSDavid van Moolenbroek #include <minix/config.h>
35*d8634badSDavid van Moolenbroek #include <sys/types.h>
36*d8634badSDavid van Moolenbroek #include <regex.h>
37*d8634badSDavid van Moolenbroek 
38*d8634badSDavid van Moolenbroek #include <minix/const.h>
39*d8634badSDavid van Moolenbroek 
40*d8634badSDavid van Moolenbroek /*
41*d8634badSDavid van Moolenbroek  * Output format options
42*d8634badSDavid van Moolenbroek  */
43*d8634badSDavid van Moolenbroek #define	D_NORMAL	0	/* Normal output */
44*d8634badSDavid van Moolenbroek #define	D_EDIT		-1	/* Editor script out */
45*d8634badSDavid van Moolenbroek #define	D_REVERSE	1	/* Reverse editor script */
46*d8634badSDavid van Moolenbroek #define	D_CONTEXT	2	/* Diff with context */
47*d8634badSDavid van Moolenbroek #define	D_UNIFIED	3	/* Unified context diff */
48*d8634badSDavid van Moolenbroek #define	D_IFDEF		4	/* Diff with merged #ifdef's */
49*d8634badSDavid van Moolenbroek #define	D_NREVERSE	5	/* Reverse ed script with numbered
50*d8634badSDavid van Moolenbroek 				   lines and no trailing . */
51*d8634badSDavid van Moolenbroek #define	D_BRIEF		6	/* Say if the files differ */
52*d8634badSDavid van Moolenbroek 
53*d8634badSDavid van Moolenbroek /*
54*d8634badSDavid van Moolenbroek  * Output flags
55*d8634badSDavid van Moolenbroek  */
56*d8634badSDavid van Moolenbroek #define	D_HEADER	0x001	/* Print a header/footer between files */
57*d8634badSDavid van Moolenbroek #define	D_EMPTY1	0x002	/* Treat first file as empty (/dev/null) */
58*d8634badSDavid van Moolenbroek #define	D_EMPTY2	0x004	/* Treat second file as empty (/dev/null) */
59*d8634badSDavid van Moolenbroek 
60*d8634badSDavid van Moolenbroek /*
61*d8634badSDavid van Moolenbroek  * Command line flags
62*d8634badSDavid van Moolenbroek  */
63*d8634badSDavid van Moolenbroek #define D_FORCEASCII	0x008	/* Treat file as ascii regardless of content */
64*d8634badSDavid van Moolenbroek #define D_FOLDBLANKS	0x010	/* Treat all white space as equal */
65*d8634badSDavid van Moolenbroek #define D_MINIMAL	0x020	/* Make diff as small as possible */
66*d8634badSDavid van Moolenbroek #define D_IGNORECASE	0x040	/* Case-insensitive matching */
67*d8634badSDavid van Moolenbroek #define D_PROTOTYPE	0x080	/* Display C function prototype */
68*d8634badSDavid van Moolenbroek #define D_EXPANDTABS	0x100	/* Expand tabs to spaces */
69*d8634badSDavid van Moolenbroek #define D_IGNOREBLANKS	0x200	/* Ignore white space changes */
70*d8634badSDavid van Moolenbroek 
71*d8634badSDavid van Moolenbroek /*
72*d8634badSDavid van Moolenbroek  * Status values for print_status() and diffreg() return values
73*d8634badSDavid van Moolenbroek  */
74*d8634badSDavid van Moolenbroek #define	D_SAME		0	/* Files are the same */
75*d8634badSDavid van Moolenbroek #define	D_DIFFER	1	/* Files are different */
76*d8634badSDavid van Moolenbroek #define	D_BINARY	2	/* Binary files are different */
77*d8634badSDavid van Moolenbroek #define	D_COMMON	3	/* Subdirectory common to both dirs */
78*d8634badSDavid van Moolenbroek #define	D_ONLY		4	/* Only exists in one directory */
79*d8634badSDavid van Moolenbroek #define	D_MISMATCH1	5	/* path1 was a dir, path2 a file */
80*d8634badSDavid van Moolenbroek #define	D_MISMATCH2	6	/* path1 was a file, path2 a dir */
81*d8634badSDavid van Moolenbroek #define	D_ERROR		7	/* An error occurred */
82*d8634badSDavid van Moolenbroek #define	D_SKIPPED1	8	/* path1 was a special file */
83*d8634badSDavid van Moolenbroek #define	D_SKIPPED2	9	/* path2 was a special file */
84*d8634badSDavid van Moolenbroek 
85*d8634badSDavid van Moolenbroek struct excludes {
86*d8634badSDavid van Moolenbroek 	char *pattern;
87*d8634badSDavid van Moolenbroek 	struct excludes *next;
88*d8634badSDavid van Moolenbroek };
89*d8634badSDavid van Moolenbroek 
90*d8634badSDavid van Moolenbroek extern int	lflag, Nflag, Pflag, rflag, sflag, Tflag;
91*d8634badSDavid van Moolenbroek extern int	diff_format, diff_context, status;
92*d8634badSDavid van Moolenbroek extern char	*start, *ifdefname, *diffargs, *label[2], *ignore_pats;
93*d8634badSDavid van Moolenbroek extern struct	stat stb1, stb2;
94*d8634badSDavid van Moolenbroek extern struct	excludes *excludes_list;
95*d8634badSDavid van Moolenbroek extern regex_t	ignore_re;
96*d8634badSDavid van Moolenbroek 
97*d8634badSDavid van Moolenbroek char	*splice(char *, char *);
98*d8634badSDavid van Moolenbroek int	diffreg(char *, char *, int);
99*d8634badSDavid van Moolenbroek int	easprintf(char **, const char *, ...);
100*d8634badSDavid van Moolenbroek void	*emalloc(size_t);
101*d8634badSDavid van Moolenbroek void	*erealloc(void *, size_t);
102*d8634badSDavid van Moolenbroek void	diffdir(char *, char *, int);
103*d8634badSDavid van Moolenbroek void	print_only(const char *, size_t, const char *);
104*d8634badSDavid van Moolenbroek void	print_status(int, char *, char *, char *);
105