grep.h revision 229081 
1/*	$NetBSD: grep.h,v 1.5 2011/02/27 17:33:37 joerg Exp $	*/
2/*	$OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $	*/
3/*	$FreeBSD: stable/9/usr.bin/grep/grep.h 229081 2011-12-31 13:12:10Z gabor $	*/
4
5/*-
6 * Copyright (c) 1999 James Howard and Dag-Erling Co��dan Sm��rgrav
7 * Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org>
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <bzlib.h>
33#include <limits.h>
34#include <regex.h>
35#include <stdbool.h>
36#include <stdio.h>
37#include <zlib.h>
38
39#include "fastmatch.h"
40
41#ifdef WITHOUT_NLS
42#define getstr(n)	 errstr[n]
43#else
44#include <nl_types.h>
45
46extern nl_catd		 catalog;
47#define getstr(n)	 catgets(catalog, 1, n, errstr[n])
48#endif
49
50extern const char		*errstr[];
51
52#define VERSION		"2.5.1-FreeBSD"
53
54#define GREP_FIXED	0
55#define GREP_BASIC	1
56#define GREP_EXTENDED	2
57
58#define BINFILE_BIN	0
59#define BINFILE_SKIP	1
60#define BINFILE_TEXT	2
61
62#define FILE_STDIO	0
63#define FILE_MMAP	1
64#define FILE_GZIP	2
65#define FILE_BZIP	3
66#define FILE_XZ		4
67#define FILE_LZMA	5
68
69#define DIR_READ	0
70#define DIR_SKIP	1
71#define DIR_RECURSE	2
72
73#define DEV_READ	0
74#define DEV_SKIP	1
75
76#define LINK_READ	0
77#define LINK_EXPLICIT	1
78#define LINK_SKIP	2
79
80#define EXCL_PAT	0
81#define INCL_PAT	1
82
83#define MAX_LINE_MATCHES	32
84
85struct file {
86	int		 fd;
87	bool		 binary;
88};
89
90struct str {
91	off_t		 off;
92	size_t		 len;
93	char		*dat;
94	char		*file;
95	int		 line_no;
96};
97
98struct pat {
99	char		*pat;
100	int		 len;
101};
102
103struct epat {
104	char		*pat;
105	int		 mode;
106};
107
108/* Flags passed to regcomp() and regexec() */
109extern int	 cflags, eflags;
110
111/* Command line flags */
112extern bool	 Eflag, Fflag, Gflag, Hflag, Lflag,
113		 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag,
114		 qflag, sflag, vflag, wflag, xflag;
115extern bool	 dexclude, dinclude, fexclude, finclude, lbflag, nullflag;
116extern unsigned long long Aflag, Bflag;
117extern long long mcount;
118extern char	*label;
119extern const char *color;
120extern int	 binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave;
121
122extern bool	 file_err, first, matchall, prev;
123extern int	 tail;
124extern unsigned int dpatterns, fpatterns, patterns;
125extern struct pat *pattern;
126extern struct epat *dpattern, *fpattern;
127extern regex_t	*er_pattern, *r_pattern;
128extern fastmatch_t *fg_pattern;
129
130/* For regex errors  */
131#define RE_ERROR_BUF	512
132extern char	 re_error[RE_ERROR_BUF + 1];	/* Seems big enough */
133
134/* util.c */
135bool	 file_matching(const char *fname);
136int	 procfile(const char *fn);
137int	 grep_tree(char **argv);
138void	*grep_malloc(size_t size);
139void	*grep_calloc(size_t nmemb, size_t size);
140void	*grep_realloc(void *ptr, size_t size);
141char	*grep_strdup(const char *str);
142void	 printline(struct str *line, int sep, regmatch_t *matches, int m);
143
144/* queue.c */
145void	 enqueue(struct str *x);
146void	 printqueue(void);
147void	 clearqueue(void);
148
149/* file.c */
150void		 grep_close(struct file *f);
151struct file	*grep_open(const char *path);
152char		*grep_fgetln(struct file *f, size_t *len);
153