1 /* $NetBSD: grep.h,v 1.10 2018/08/12 09:03:21 christos 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 #ifndef WITHOUT_BZ2 33 #include <bzlib.h> 34 #endif 35 #include <limits.h> 36 #include <regex.h> 37 #include <stdbool.h> 38 #include <stdio.h> 39 #ifndef WITHOUT_GZIP 40 #include <zlib.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 "2.5.1-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_GZIP 1 66 #define FILE_BZIP 2 67 68 #define DIR_READ 0 69 #define DIR_SKIP 1 70 #define DIR_RECURSE 2 71 72 #define DEV_READ 0 73 #define DEV_SKIP 1 74 75 #define LINK_READ 0 76 #define LINK_EXPLICIT 1 77 #define LINK_SKIP 2 78 79 #define EXCL_PAT 0 80 #define INCL_PAT 1 81 82 #define MAX_LINE_MATCHES 32 83 84 struct file { 85 int fd; 86 bool binary; 87 }; 88 89 struct str { 90 off_t off; 91 size_t len; 92 char *dat; 93 char *file; 94 int line_no; 95 }; 96 97 struct epat { 98 char *pat; 99 int mode; 100 }; 101 102 typedef struct { 103 size_t len; 104 unsigned char *pattern; 105 int qsBc[UCHAR_MAX + 1]; 106 /* flags */ 107 bool bol; 108 bool eol; 109 bool reversed; 110 bool word; 111 } fastgrep_t; 112 113 /* Flags passed to regcomp() and regexec() */ 114 extern int cflags, eflags; 115 116 /* Command line flags */ 117 extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 118 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 119 qflag, sflag, vflag, wflag, xflag; 120 extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag, nulldataflag; 121 extern unsigned char line_sep; 122 extern unsigned long long Aflag, Bflag, mcount; 123 extern char *label; 124 extern const char *color; 125 extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 126 127 extern bool notfound; 128 extern int tail; 129 extern unsigned int dpatterns, fpatterns, patterns; 130 extern char **pattern; 131 extern struct epat *dpattern, *fpattern; 132 extern regex_t *er_pattern, *r_pattern; 133 extern fastgrep_t *fg_pattern; 134 135 /* For regex errors */ 136 #define RE_ERROR_BUF 512 137 extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 138 139 /* util.c */ 140 bool file_matching(const char *fname); 141 int procfile(const char *fn); 142 int grep_tree(char **argv); 143 void *grep_malloc(size_t size); 144 void *grep_calloc(size_t nmemb, size_t size); 145 void *grep_realloc(void *ptr, size_t size); 146 char *grep_strdup(const char *str); 147 void printline(struct str *line, int sep, regmatch_t *matches, int m); 148 149 /* queue.c */ 150 void enqueue(struct str *x); 151 void printqueue(void); 152 void clearqueue(void); 153 154 /* file.c */ 155 void grep_close(struct file *f); 156 struct file *grep_open(const char *path); 157 char *grep_fgetln(struct file *f, size_t *len); 158 159 /* fastgrep.c */ 160 int fastcomp(fastgrep_t *, const char *); 161 void fgrepcomp(fastgrep_t *, const char *); 162 int grep_search(fastgrep_t *, const unsigned char *, size_t, regmatch_t *); 163