1/*	$NetBSD: grep.h,v 1.8 2012/05/06 22:27:00 joerg Exp $	*/
2/*	$OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $	*/
3/*	$FreeBSD: head/usr.bin/grep/grep.h 211496 2010-08-19 09:28:59Z des $	*/
4
5/*-
6 * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
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#ifndef __ANDROID__
33#include <bzlib.h>
34#endif
35#include <limits.h>
36#include <regex.h>
37#include <stdbool.h>
38#include <stdio.h>
39#ifndef __ANDROID__
40#include <zlib.h>
41#endif
42
43#ifdef WITHOUT_NLS
44#define getstr(n)	 errstr[n]
45#else
46#include <nl_types.h>
47
48extern nl_catd		 catalog;
49#define getstr(n)	 catgets(catalog, 1, n, errstr[n])
50#endif
51
52extern const char		*errstr[];
53
54#define VERSION		"2.5.1-FreeBSD"
55
56#define GREP_FIXED	0
57#define GREP_BASIC	1
58#define GREP_EXTENDED	2
59
60#define BINFILE_BIN	0
61#define BINFILE_SKIP	1
62#define BINFILE_TEXT	2
63
64#define FILE_STDIO	0
65#define FILE_GZIP	1
66#define FILE_BZIP	2
67
68#define DIR_READ	0
69#define DIR_SKIP	1
70#define DIR_RECURSE	2
71
72#define DEV_READ	0
73#define DEV_SKIP	1
74
75#define LINK_READ	0
76#define LINK_EXPLICIT	1
77#define LINK_SKIP	2
78
79#define EXCL_PAT	0
80#define INCL_PAT	1
81
82#define MAX_LINE_MATCHES	32
83
84struct file {
85	int		 fd;
86	bool		 binary;
87};
88
89struct str {
90	off_t		 off;
91	size_t		 len;
92	char		*dat;
93	char		*file;
94	int		 line_no;
95};
96
97struct epat {
98	char		*pat;
99	int		 mode;
100};
101
102typedef struct {
103	size_t		 len;
104	unsigned char	*pattern;
105	int		 qsBc[UCHAR_MAX + 1];
106	/* flags */
107	bool		 bol;
108	bool		 eol;
109	bool		 reversed;
110	bool		 word;
111} fastgrep_t;
112
113/* Flags passed to regcomp() and regexec() */
114extern int	 cflags, eflags;
115
116/* Command line flags */
117extern bool	 Eflag, Fflag, Gflag, Hflag, Lflag,
118		 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag,
119		 qflag, sflag, vflag, wflag, xflag;
120extern bool	 dexclude, dinclude, fexclude, finclude, lbflag, nullflag, nulldataflag;
121extern unsigned char line_sep;
122extern unsigned long long Aflag, Bflag, mcount;
123extern char	*label;
124extern const char *color;
125extern int	 binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave;
126
127extern bool	 notfound;
128extern int	 tail;
129extern unsigned int dpatterns, fpatterns, patterns;
130extern char    **pattern;
131extern struct epat *dpattern, *fpattern;
132extern regex_t	*er_pattern, *r_pattern;
133extern fastgrep_t *fg_pattern;
134
135/* For regex errors  */
136#define RE_ERROR_BUF	512
137extern char	 re_error[RE_ERROR_BUF + 1];	/* Seems big enough */
138
139/* util.c */
140bool	 file_matching(const char *fname);
141int	 procfile(const char *fn);
142int	 grep_tree(char **argv);
143void	*grep_malloc(size_t size);
144void	*grep_calloc(size_t nmemb, size_t size);
145void	*grep_realloc(void *ptr, size_t size);
146char	*grep_strdup(const char *str);
147void	 printline(struct str *line, int sep, regmatch_t *matches, int m);
148
149/* queue.c */
150void	 enqueue(struct str *x);
151void	 printqueue(void);
152void	 clearqueue(void);
153
154/* file.c */
155void		 grep_close(struct file *f);
156struct file	*grep_open(const char *path);
157char		*grep_fgetln(struct file *f, size_t *len);
158
159/* fastgrep.c */
160int		 fastcomp(fastgrep_t *, const char *);
161void		 fgrepcomp(fastgrep_t *, const char *);
162int		 grep_search(fastgrep_t *, const unsigned char *, size_t, regmatch_t *);
163