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gerrit.omnirom.org / android_system_core / 04650ef7f6167d59aad19d4cd6fc78b2d84c83e5 / . / toolbox / grep / grep.h
blob: eafb00e21ea76c62b814225b66111821c05415c4 [file] [log] [blame]
Jeff Sharkey3e8b1582012-07-13 16:37:13 -0700[diff] [blame]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
Jeff Sharkey3e8b1582012-07-13 16:37:13 -0700[diff] [blame]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 *);