grep.h revision 210578
1/* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */ 2/* $FreeBSD: head/usr.bin/grep/grep.h 210578 2010-07-29 00:11:14Z gabor $ */ 3 4/*- 5 * Copyright (c) 1999 James Howard and Dag-Erling Co�dan Sm�rgrav 6 * Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31#include <bzlib.h> 32#include <limits.h> 33#include <regex.h> 34#include <stdbool.h> 35#include <stdio.h> 36#include <zlib.h> 37 38#ifdef WITHOUT_NLS 39#define getstr(n) errstr[n] 40#else 41#include <nl_types.h> 42 43extern nl_catd catalog; 44#define getstr(n) catgets(catalog, 1, n, errstr[n]) 45#endif 46 47extern const char *errstr[]; 48 49#define VERSION "2.5.1-FreeBSD" 50 51#define GREP_FIXED 0 52#define GREP_BASIC 1 53#define GREP_EXTENDED 2 54 55#define BINFILE_BIN 0 56#define BINFILE_SKIP 1 57#define BINFILE_TEXT 2 58 59#define FILE_STDIO 0 60#define FILE_GZIP 1 61#define FILE_BZIP 2 62 63#define DIR_READ 0 64#define DIR_SKIP 1 65#define DIR_RECURSE 2 66 67#define DEV_READ 0 68#define DEV_SKIP 1 69 70#define LINK_READ 0 71#define LINK_EXPLICIT 1 72#define LINK_SKIP 2 73 74#define EXCL_PAT 0 75#define INCL_PAT 1 76 77#define MAX_LINE_MATCHES 32 78 79struct file { 80 struct mmfile *mmf; 81 BZFILE *bzf; 82 FILE *f; 83 gzFile *gzf; 84 bool binary; 85 bool stdin; 86}; 87 88struct str { 89 off_t off; 90 size_t len; 91 char *dat; 92 char *file; 93 int line_no; 94}; 95 96struct epat { 97 char *pat; 98 int mode; 99}; 100 101typedef struct { 102 size_t len; 103 unsigned char *pattern; 104 int qsBc[UCHAR_MAX + 1]; 105 /* flags */ 106 bool bol; 107 bool eol; 108 bool reversed; 109} fastgrep_t; 110 111/* Flags passed to regcomp() and regexec() */ 112extern int cflags, eflags; 113 114/* Command line flags */ 115extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 116 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 117 qflag, sflag, vflag, wflag, xflag; 118extern bool dexclude, dinclude, fexclude, finclude, nullflag; 119extern unsigned long long Aflag, Bflag, mcount; 120extern char *label; 121extern const char *color; 122extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 123 124extern bool first, matchall, notfound, prev; 125extern int tail; 126extern unsigned int dpatterns, fpatterns, patterns; 127extern char **pattern; 128extern struct epat *dpattern, *fpattern; 129extern regex_t *er_pattern, *r_pattern; 130extern fastgrep_t *fg_pattern; 131 132/* For regex errors */ 133#define RE_ERROR_BUF 512 134extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 135 136/* util.c */ 137bool dir_matching(const char *dname); 138bool file_matching(const char *fname); 139int procfile(const char *fn); 140int grep_tree(char **argv); 141void *grep_malloc(size_t size); 142void *grep_calloc(size_t nmemb, size_t size); 143void *grep_realloc(void *ptr, size_t size); 144char *grep_strdup(const char *str); 145void printline(struct str *line, int sep, regmatch_t *matches, int m); 146 147/* queue.c */ 148void enqueue(struct str *x); 149void printqueue(void); 150void clearqueue(void); 151 152/* file.c */ 153void grep_close(struct file *f); 154struct file *grep_stdin_open(void); 155struct file *grep_open(const char *path); 156int grep_feof(struct file *f); 157int grep_fgetc(struct file *f); 158char *grep_fgetln(struct file *f, size_t *len); 159 160/* fastgrep.c */ 161int fastcomp(fastgrep_t *, const char *); 162void fgrepcomp(fastgrep_t *, const char *); 163int grep_search(fastgrep_t *, unsigned char *, size_t, regmatch_t *); 164