Sync usage with man page.
[netbsd-mini2440.git] / usr.bin / grep / grep.h
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1 /* $NetBSD: grep.h,v 1.2 2004/05/05 15:06:33 cjep Exp $ */
3 /*-
4 * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
5 * All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
29 #include <sys/types.h>
31 #include <regex.h>
32 #include <stdio.h>
33 #include <zlib.h>
35 #define VERSION "20040505"
37 #define GREP_READ 0
38 #define GREP_SKIP 1
39 #define GREP_RECURSE 2
41 #define BIN_FILE_BIN 0
42 #define BIN_FILE_SKIP 1
43 #define BIN_FILE_TEXT 2
45 #define LINK_EXPLICIT 0
46 #define LINK_FOLLOW 1
47 #define LINK_SKIP 2
49 #define MAX_LINE_MATCHES 30
51 typedef struct {
52 size_t len;
53 int line_no;
54 int off;
55 const char *file;
56 char *dat;
57 } str_t;
59 /* Flags passed to regcomp() and regexec() */
60 extern int cflags, eflags;
62 /* Command line flags */
63 extern int Aflag, Bflag, Fflag, Lflag, bflag, cflag, lflag, mflag,
64 nflag, oflag, qflag, sflag, vflag, wflag, xflag;
66 extern int colours;
67 extern const char *grep_colour;
68 extern char fn_endchar, fn_colonchar, fn_dashchar;
69 extern char line_endchar;
71 extern int output_filenames;
73 extern int maxcount;
75 /* Argv[0] flags */
76 extern int zgrep;
78 extern int binbehave, dirbehave, devbehave;
79 /* extern int linkbehave; */
80 extern const char *stdin_label;
82 extern int first, matchall, patterns, tail;
83 extern char **pattern;
84 extern regex_t *r_pattern;
86 /*
87 * For regex errors, 512 seems to be big enough
89 #define RE_ERROR_BUF 512
91 extern char re_error[RE_ERROR_BUF + 1];
93 /* util.c */
94 int procfile(const char *fn);
95 int grep_tree(char **argv);
97 void *grep_malloc(size_t size);
98 void *grep_realloc(void *ptr, size_t size);
99 void printline(str_t *line, int sep, regmatch_t *matches, int m);
101 /* queue.c */
102 void initqueue(void);
103 void enqueue(str_t *x);
104 void printqueue(void);
105 void clearqueue(void);
107 /* mmfile.c */
108 typedef struct mmfile {
109 int fd;
110 size_t len;
111 char *base, *end, *ptr;
112 } mmf_t;
114 mmf_t *mmopen(const char *fn, const char *mode);
115 void mmclose(mmf_t *mmf);
116 char *mmfgetln(mmf_t *mmf, size_t *l);
117 void mmrewind(mmf_t *mmf);
119 /* file.c */
120 struct file;
121 typedef struct file file_t;
123 file_t *grep_fdopen(int fd, const char *mode);
124 file_t *grep_open(const char *path, const char *mode);
126 int grep_bin_file(file_t *f);
127 char *grep_fgetln(file_t *f, size_t *l);
128 void grep_close(file_t *f);
130 /* binary.c */
131 int bin_file(FILE * f);
132 int gzbin_file(gzFile * f);
133 int mmbin_file(mmf_t *f);