1 /* $NetBSD: grep.h,v 1.5 2011/02/27 17:33:37 joerg Exp $ */ 2 /* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */ 3 /* $FreeBSD$ */ 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 #include <bzlib.h> 33 #include <limits.h> 34 #include <regex.h> 35 #include <stdbool.h> 36 #include <stdio.h> 37 #include <zlib.h> 38 39 #ifndef WITHOUT_FASTMATCH 40 #include "fastmatch.h" 41 #endif 42 43 #ifdef WITHOUT_NLS 44 #define getstr(n) errstr[n] 45 #else 46 #include <nl_types.h> 47 48 extern nl_catd catalog; 49 #define getstr(n) catgets(catalog, 1, n, errstr[n]) 50 #endif 51 52 extern const char *errstr[]; 53 54 #define VERSION "2.6.0-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_MMAP 1 66 #define FILE_GZIP 2 67 #define FILE_BZIP 3 68 #define FILE_XZ 4 69 #define FILE_LZMA 5 70 71 #define DIR_READ 0 72 #define DIR_SKIP 1 73 #define DIR_RECURSE 2 74 75 #define DEV_READ 0 76 #define DEV_SKIP 1 77 78 #define LINK_READ 0 79 #define LINK_EXPLICIT 1 80 #define LINK_SKIP 2 81 82 #define EXCL_PAT 0 83 #define INCL_PAT 1 84 85 #define MAX_MATCHES 32 86 87 struct file { 88 int fd; 89 bool binary; 90 }; 91 92 struct str { 93 off_t boff; 94 off_t off; 95 size_t len; 96 char *dat; 97 char *file; 98 int line_no; 99 }; 100 101 struct pat { 102 char *pat; 103 int len; 104 }; 105 106 struct epat { 107 char *pat; 108 int mode; 109 }; 110 111 /* Flags passed to regcomp() and regexec() */ 112 extern int cflags, eflags; 113 114 /* Command line flags */ 115 extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 116 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 117 qflag, sflag, vflag, wflag, xflag; 118 extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag; 119 extern long long Aflag, Bflag; 120 extern long long mcount; 121 extern long long mlimit; 122 extern char fileeol; 123 extern char *label; 124 extern const char *color; 125 extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 126 127 extern bool file_err, matchall; 128 extern unsigned int dpatterns, fpatterns, patterns; 129 extern struct pat *pattern; 130 extern struct epat *dpattern, *fpattern; 131 extern regex_t *er_pattern, *r_pattern; 132 #ifndef WITHOUT_FASTMATCH 133 extern fastmatch_t *fg_pattern; 134 #endif 135 136 /* For regex errors */ 137 #define RE_ERROR_BUF 512 138 extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 139 140 /* util.c */ 141 bool file_matching(const char *fname); 142 int procfile(const char *fn); 143 int grep_tree(char **argv); 144 void *grep_malloc(size_t size); 145 void *grep_calloc(size_t nmemb, size_t size); 146 void *grep_realloc(void *ptr, size_t size); 147 char *grep_strdup(const char *str); 148 void grep_printline(struct str *line, int sep); 149 150 /* queue.c */ 151 bool enqueue(struct str *x); 152 void printqueue(void); 153 void clearqueue(void); 154 155 /* file.c */ 156 void grep_close(struct file *f); 157 struct file *grep_open(const char *path); 158 char *grep_fgetln(struct file *f, size_t *len); 159