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 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 7 * 8 * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav 9 * Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org> 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <bzlib.h> 35 #include <limits.h> 36 #include <regex.h> 37 #include <stdbool.h> 38 #include <stdio.h> 39 #include <zlib.h> 40 41 extern const char *errstr[]; 42 43 #define VERSION "2.6.0-FreeBSD" 44 45 #define GREP_FIXED 0 46 #define GREP_BASIC 1 47 #define GREP_EXTENDED 2 48 49 #if !defined(REG_NOSPEC) && !defined(REG_LITERAL) 50 #define WITH_INTERNAL_NOSPEC 51 #endif 52 53 #define BINFILE_BIN 0 54 #define BINFILE_SKIP 1 55 #define BINFILE_TEXT 2 56 57 #define FILE_STDIO 0 58 #define FILE_MMAP 1 59 60 #define DIR_READ 0 61 #define DIR_SKIP 1 62 #define DIR_RECURSE 2 63 64 #define DEV_READ 0 65 #define DEV_SKIP 1 66 67 #define LINK_READ 0 68 #define LINK_EXPLICIT 1 69 #define LINK_SKIP 2 70 71 #define EXCL_PAT 0 72 #define INCL_PAT 1 73 74 #define MAX_MATCHES 32 75 76 struct file { 77 int fd; 78 bool binary; 79 }; 80 81 struct str { 82 off_t boff; 83 off_t off; 84 size_t len; 85 char *dat; 86 char *file; 87 int line_no; 88 }; 89 90 struct pat { 91 char *pat; 92 int len; 93 }; 94 95 struct epat { 96 char *pat; 97 int mode; 98 }; 99 100 /* Flags passed to regcomp() and regexec() */ 101 extern int cflags, eflags; 102 103 /* Command line flags */ 104 extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 105 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 106 qflag, sflag, vflag, wflag, xflag; 107 extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag; 108 extern long long Aflag, Bflag; 109 extern long long mcount; 110 extern long long mlimit; 111 extern char fileeol; 112 extern char *label; 113 extern const char *color; 114 extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 115 116 extern bool file_err, matchall; 117 extern unsigned int dpatterns, fpatterns, patterns; 118 extern struct pat *pattern; 119 extern struct epat *dpattern, *fpattern; 120 extern regex_t *er_pattern, *r_pattern; 121 122 /* For regex errors */ 123 #define RE_ERROR_BUF 512 124 extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 125 126 /* util.c */ 127 bool file_matching(const char *fname); 128 int procfile(const char *fn); 129 int grep_tree(char **argv); 130 void *grep_malloc(size_t size); 131 void *grep_calloc(size_t nmemb, size_t size); 132 void *grep_realloc(void *ptr, size_t size); 133 char *grep_strdup(const char *str); 134 void grep_printline(struct str *line, int sep); 135 136 /* queue.c */ 137 bool enqueue(struct str *x); 138 void printqueue(void); 139 void clearqueue(void); 140 141 /* file.c */ 142 void grep_close(struct file *f); 143 struct file *grep_open(const char *path); 144 char *grep_fgetln(struct file *f, size_t *len); 145