1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */
/* $FreeBSD$ */
/*-
* Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
* Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <bzlib.h>
#include <limits.h>
#include <regex.h>
#include <stdbool.h>
#include <stdio.h>
#include <zlib.h>
#ifdef WITHOUT_NLS
#define getstr(n) errstr[n]
#else
#include <nl_types.h>
extern nl_catd catalog;
#define getstr(n) catgets(catalog, 1, n, errstr[n])
#endif
extern const char *errstr[];
#define VERSION "2.5.1-FreeBSD"
#define GREP_FIXED 0
#define GREP_BASIC 1
#define GREP_EXTENDED 2
#define BINFILE_BIN 0
#define BINFILE_SKIP 1
#define BINFILE_TEXT 2
#define FILE_STDIO 0
#define FILE_GZIP 1
#define FILE_BZIP 2
#define DIR_GREP 0
#define DIR_SKIP 1
#define DIR_RECURSE 2
#define DEV_GREP 0
#define DEV_SKIP 1
#define LINK_GREP 0
#define LINK_EXPLICIT 1
#define LINK_SKIP 2
#define FILE_PAT 0
#define DIR_PAT 1
#define EXCL_PAT 0
#define INCL_PAT 1
#define MAX_LINE_MATCHES 32
struct file {
struct mmfile *mmf;
BZFILE *bzf;
FILE *f;
gzFile *gzf;
bool binary;
bool stdin;
};
struct str {
off_t off;
size_t len;
char *dat;
char *file;
int line_no;
};
struct epat {
char *pat;
int mode;
int type;
};
typedef struct {
size_t len;
unsigned char *pattern;
int qsBc[UCHAR_MAX + 1];
/* flags */
bool bol;
bool eol;
bool reversed;
} fastgrep_t;
/* Flags passed to regcomp() and regexec() */
extern int cflags, eflags;
/* Command line flags */
extern bool Eflag, Fflag, Gflag, Hflag, Lflag,
bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag,
qflag, sflag, vflag, wflag, xflag;
extern bool exclflag, nullflag;
extern unsigned long long Aflag, Bflag, mcount;
extern char *color, *label;
extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave;
extern bool first, matchall, notfound, prev;
extern int tail;
extern unsigned int epatterns, patterns;
extern char **pattern;
extern struct epat *epattern;
extern regex_t *er_pattern, *r_pattern;
extern fastgrep_t *fg_pattern;
/* For regex errors */
#define RE_ERROR_BUF 512
extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */
/* util.c */
int procfile(const char *fn);
int grep_tree(char **argv);
void *grep_malloc(size_t size);
void *grep_calloc(size_t nmemb, size_t size);
void *grep_realloc(void *ptr, size_t size);
void printline(struct str *line, int sep, regmatch_t *matches, int m);
/* queue.c */
void enqueue(struct str *x);
void printqueue(void);
void clearqueue(void);
/* file.c */
void grep_close(struct file *f);
struct file *grep_stdin_open(void);
struct file *grep_open(const char *path);
int grep_feof(struct file *f);
int grep_fgetc(struct file *f);
char *grep_fgetln(struct file *f, size_t *len);
/* fastgrep.c */
int fastcomp(fastgrep_t *, const char *);
void fgrepcomp(fastgrep_t *, const char *);
int grep_search(fastgrep_t *, unsigned char *, size_t, regmatch_t *);
|