1/* $NetBSD: grep.h,v 1.8 2012/05/06 22:27:00 joerg 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#ifdef ANDROID 33#define WITHOUT_NLS 34#endif 35 36#ifndef ANDROID 37#include <bzlib.h> 38#endif 39#include <limits.h> 40#include <regex.h> 41#include <stdbool.h> 42#include <stdio.h> 43#ifndef ANDROID 44#include <zlib.h> 45#endif 46 47#ifdef WITHOUT_NLS 48#define getstr(n) errstr[n] 49#else 50#include <nl_types.h> 51 52extern nl_catd catalog; 53#define getstr(n) catgets(catalog, 1, n, errstr[n]) 54#endif 55 56extern const char *errstr[]; 57 58#define VERSION "2.5.1-FreeBSD" 59 60#define GREP_FIXED 0 61#define GREP_BASIC 1 62#define GREP_EXTENDED 2 63 64#define BINFILE_BIN 0 65#define BINFILE_SKIP 1 66#define BINFILE_TEXT 2 67 68#define FILE_STDIO 0 69#define FILE_GZIP 1 70#define FILE_BZIP 2 71 72#define DIR_READ 0 73#define DIR_SKIP 1 74#define DIR_RECURSE 2 75 76#define DEV_READ 0 77#define DEV_SKIP 1 78 79#define LINK_READ 0 80#define LINK_EXPLICIT 1 81#define LINK_SKIP 2 82 83#define EXCL_PAT 0 84#define INCL_PAT 1 85 86#define MAX_LINE_MATCHES 32 87 88struct file { 89 int fd; 90 bool binary; 91}; 92 93struct str { 94 off_t off; 95 size_t len; 96 char *dat; 97 char *file; 98 int line_no; 99}; 100 101struct epat { 102 char *pat; 103 int mode; 104}; 105 106typedef struct { 107 size_t len; 108 unsigned char *pattern; 109 int qsBc[UCHAR_MAX + 1]; 110 /* flags */ 111 bool bol; 112 bool eol; 113 bool reversed; 114 bool word; 115} fastgrep_t; 116 117/* Flags passed to regcomp() and regexec() */ 118extern int cflags, eflags; 119 120/* Command line flags */ 121extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 122 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 123 qflag, sflag, vflag, wflag, xflag; 124extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag, nulldataflag; 125extern unsigned char line_sep; 126extern unsigned long long Aflag, Bflag, mcount; 127extern char *label; 128extern const char *color; 129extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 130 131extern bool notfound; 132extern int tail; 133extern unsigned int dpatterns, fpatterns, patterns; 134extern char **pattern; 135extern struct epat *dpattern, *fpattern; 136extern regex_t *er_pattern, *r_pattern; 137extern fastgrep_t *fg_pattern; 138 139/* For regex errors */ 140#define RE_ERROR_BUF 512 141extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 142 143/* util.c */ 144bool file_matching(const char *fname); 145int procfile(const char *fn); 146int grep_tree(char **argv); 147void *grep_malloc(size_t size); 148void *grep_calloc(size_t nmemb, size_t size); 149void *grep_realloc(void *ptr, size_t size); 150char *grep_strdup(const char *str); 151void printline(struct str *line, int sep, regmatch_t *matches, int m); 152 153/* queue.c */ 154void enqueue(struct str *x); 155void printqueue(void); 156void clearqueue(void); 157 158/* file.c */ 159void grep_close(struct file *f); 160struct file *grep_open(const char *path); 161char *grep_fgetln(struct file *f, size_t *len); 162 163/* fastgrep.c */ 164int fastcomp(fastgrep_t *, const char *); 165void fgrepcomp(fastgrep_t *, const char *); 166int grep_search(fastgrep_t *, const unsigned char *, size_t, regmatch_t *); 167