| Jeff Sharkey | 3e8b158 | 2012-07-13 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 | |
| 32 | #ifdef ANDROID |
| 33 | #define WITHOUT_NLS |
| 34 | #endif |
| 35 | |
| 36 | #ifndef ANDROID |
| 37 | #include <bzlib.h> |
| 38 | #endif |
| 39 | #include <limits.h> |
| 40 | #include <regex.h> |
| 41 | #include <stdbool.h> |
| 42 | #include <stdio.h> |
| 43 | #ifndef ANDROID |
| 44 | #include <zlib.h> |
| 45 | #endif |
| 46 | |
| 47 | #ifdef WITHOUT_NLS |
| 48 | #define getstr(n) errstr[n] |
| 49 | #else |
| 50 | #include <nl_types.h> |
| 51 | |
| 52 | extern nl_catd catalog; |
| 53 | #define getstr(n) catgets(catalog, 1, n, errstr[n]) |
| 54 | #endif |
| 55 | |
| 56 | extern const char *errstr[]; |
| 57 | |
| 58 | #define VERSION "2.5.1-FreeBSD" |
| 59 | |
| 60 | #define GREP_FIXED 0 |
| 61 | #define GREP_BASIC 1 |
| 62 | #define GREP_EXTENDED 2 |
| 63 | |
| 64 | #define BINFILE_BIN 0 |
| 65 | #define BINFILE_SKIP 1 |
| 66 | #define BINFILE_TEXT 2 |
| 67 | |
| 68 | #define FILE_STDIO 0 |
| 69 | #define FILE_GZIP 1 |
| 70 | #define FILE_BZIP 2 |
| 71 | |
| 72 | #define DIR_READ 0 |
| 73 | #define DIR_SKIP 1 |
| 74 | #define DIR_RECURSE 2 |
| 75 | |
| 76 | #define DEV_READ 0 |
| 77 | #define DEV_SKIP 1 |
| 78 | |
| 79 | #define LINK_READ 0 |
| 80 | #define LINK_EXPLICIT 1 |
| 81 | #define LINK_SKIP 2 |
| 82 | |
| 83 | #define EXCL_PAT 0 |
| 84 | #define INCL_PAT 1 |
| 85 | |
| 86 | #define MAX_LINE_MATCHES 32 |
| 87 | |
| 88 | struct file { |
| 89 | int fd; |
| 90 | bool binary; |
| 91 | }; |
| 92 | |
| 93 | struct str { |
| 94 | off_t off; |
| 95 | size_t len; |
| 96 | char *dat; |
| 97 | char *file; |
| 98 | int line_no; |
| 99 | }; |
| 100 | |
| 101 | struct epat { |
| 102 | char *pat; |
| 103 | int mode; |
| 104 | }; |
| 105 | |
| 106 | typedef struct { |
| 107 | size_t len; |
| 108 | unsigned char *pattern; |
| 109 | int qsBc[UCHAR_MAX + 1]; |
| 110 | /* flags */ |
| 111 | bool bol; |
| 112 | bool eol; |
| 113 | bool reversed; |
| 114 | bool word; |
| 115 | } fastgrep_t; |
| 116 | |
| 117 | /* Flags passed to regcomp() and regexec() */ |
| 118 | extern int cflags, eflags; |
| 119 | |
| 120 | /* Command line flags */ |
| 121 | extern bool Eflag, Fflag, Gflag, Hflag, Lflag, |
| 122 | bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, |
| 123 | qflag, sflag, vflag, wflag, xflag; |
| 124 | extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag, nulldataflag; |
| 125 | extern unsigned char line_sep; |
| 126 | extern unsigned long long Aflag, Bflag, mcount; |
| 127 | extern char *label; |
| 128 | extern const char *color; |
| 129 | extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; |
| 130 | |
| 131 | extern bool notfound; |
| 132 | extern int tail; |
| 133 | extern unsigned int dpatterns, fpatterns, patterns; |
| 134 | extern char **pattern; |
| 135 | extern struct epat *dpattern, *fpattern; |
| 136 | extern regex_t *er_pattern, *r_pattern; |
| 137 | extern fastgrep_t *fg_pattern; |
| 138 | |
| 139 | /* For regex errors */ |
| 140 | #define RE_ERROR_BUF 512 |
| 141 | extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ |
| 142 | |
| 143 | /* util.c */ |
| 144 | bool file_matching(const char *fname); |
| 145 | int procfile(const char *fn); |
| 146 | int grep_tree(char **argv); |
| 147 | void *grep_malloc(size_t size); |
| 148 | void *grep_calloc(size_t nmemb, size_t size); |
| 149 | void *grep_realloc(void *ptr, size_t size); |
| 150 | char *grep_strdup(const char *str); |
| 151 | void printline(struct str *line, int sep, regmatch_t *matches, int m); |
| 152 | |
| 153 | /* queue.c */ |
| 154 | void enqueue(struct str *x); |
| 155 | void printqueue(void); |
| 156 | void clearqueue(void); |
| 157 | |
| 158 | /* file.c */ |
| 159 | void grep_close(struct file *f); |
| 160 | struct file *grep_open(const char *path); |
| 161 | char *grep_fgetln(struct file *f, size_t *len); |
| 162 | |
| 163 | /* fastgrep.c */ |
| 164 | int fastcomp(fastgrep_t *, const char *); |
| 165 | void fgrepcomp(fastgrep_t *, const char *); |
| 166 | int grep_search(fastgrep_t *, const unsigned char *, size_t, regmatch_t *); |