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 #include "fastmatch.h" 40 41 #ifdef WITHOUT_NLS 42 #define getstr(n) errstr[n] 43 #else 44 #include <nl_types.h> 45 46 extern nl_catd catalog; 47 #define getstr(n) catgets(catalog, 1, n, errstr[n]) 48 #endif 49 50 extern const char *errstr[]; 51 52 #define VERSION "2.5.1-FreeBSD" 53 54 #define GREP_FIXED 0 55 #define GREP_BASIC 1 56 #define GREP_EXTENDED 2 57 58 #define BINFILE_BIN 0 59 #define BINFILE_SKIP 1 60 #define BINFILE_TEXT 2 61 62 #define FILE_STDIO 0 63 #define FILE_MMAP 1 64 #define FILE_GZIP 2 65 #define FILE_BZIP 3 66 #define FILE_XZ 4 67 #define FILE_LZMA 5 68 69 #define DIR_READ 0 70 #define DIR_SKIP 1 71 #define DIR_RECURSE 2 72 73 #define DEV_READ 0 74 #define DEV_SKIP 1 75 76 #define LINK_READ 0 77 #define LINK_EXPLICIT 1 78 #define LINK_SKIP 2 79 80 #define EXCL_PAT 0 81 #define INCL_PAT 1 82 83 #define MAX_LINE_MATCHES 32 84 85 struct file { 86 int fd; 87 bool binary; 88 }; 89 90 struct str { 91 off_t off; 92 size_t len; 93 char *dat; 94 char *file; 95 int line_no; 96 }; 97 98 struct pat { 99 char *pat; 100 int len; 101 }; 102 103 struct epat { 104 char *pat; 105 int mode; 106 }; 107 108 /* Flags passed to regcomp() and regexec() */ 109 extern int cflags, eflags; 110 111 /* Command line flags */ 112 extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 113 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 114 qflag, sflag, vflag, wflag, xflag; 115 extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag; 116 extern unsigned long long Aflag, Bflag; 117 extern long long mcount; 118 extern char *label; 119 extern const char *color; 120 extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 121 122 extern bool file_err, first, matchall, prev; 123 extern int tail; 124 extern unsigned int dpatterns, fpatterns, patterns; 125 extern struct pat *pattern; 126 extern struct epat *dpattern, *fpattern; 127 extern regex_t *er_pattern, *r_pattern; 128 extern fastmatch_t *fg_pattern; 129 130 /* For regex errors */ 131 #define RE_ERROR_BUF 512 132 extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 133 134 /* util.c */ 135 bool file_matching(const char *fname); 136 int procfile(const char *fn); 137 int grep_tree(char **argv); 138 void *grep_malloc(size_t size); 139 void *grep_calloc(size_t nmemb, size_t size); 140 void *grep_realloc(void *ptr, size_t size); 141 char *grep_strdup(const char *str); 142 void printline(struct str *line, int sep, regmatch_t *matches, int m); 143 144 /* queue.c */ 145 void enqueue(struct str *x); 146 void printqueue(void); 147 void clearqueue(void); 148 149 /* file.c */ 150 void grep_close(struct file *f); 151 struct file *grep_open(const char *path); 152 char *grep_fgetln(struct file *f, size_t *len); 153