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 Co��dan Sm��rgrav 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 41extern 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 76struct file { 77 int fd; 78 bool binary; 79}; 80 81struct 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 90struct pat { 91 char *pat; 92 int len; 93}; 94 95struct epat { 96 char *pat; 97 int mode; 98}; 99 100/* 101 * Parsing context; used to hold things like matches made and 102 * other useful bits 103 */ 104struct parsec { 105 regmatch_t matches[MAX_MATCHES]; /* Matches made */ 106 /* XXX TODO: This should be a chunk, not a line */ 107 struct str ln; /* Current line */ 108 size_t lnstart; /* Position in line */ 109 size_t matchidx; /* Latest match index */ 110 int printed; /* Metadata printed? */ 111 bool binary; /* Binary file? */ 112 bool cntlines; /* Count lines? */ 113}; 114 115/* Flags passed to regcomp() and regexec() */ 116extern int cflags, eflags; 117 118/* Command line flags */ 119extern bool Eflag, Fflag, Gflag, Hflag, Lflag, 120 bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 121 qflag, sflag, vflag, wflag, xflag; 122extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag; 123extern long long Aflag, Bflag; 124extern long long mcount; 125extern long long mlimit; 126extern char fileeol; 127extern char *label; 128extern const char *color; 129extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 130 131extern bool file_err, matchall; 132extern unsigned int dpatterns, fpatterns, patterns; 133extern struct pat *pattern; 134extern struct epat *dpattern, *fpattern; 135extern regex_t *er_pattern, *r_pattern; 136 137/* For regex errors */ 138#define RE_ERROR_BUF 512 139extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 140 141/* util.c */ 142bool file_matching(const char *fname); 143bool procfile(const char *fn); 144bool grep_tree(char **argv); 145void *grep_malloc(size_t size); 146void *grep_calloc(size_t nmemb, size_t size); 147void *grep_realloc(void *ptr, size_t size); 148char *grep_strdup(const char *str); 149void grep_printline(struct str *line, int sep); 150 151/* queue.c */ 152void initqueue(void); 153bool enqueue(struct str *x); 154void printqueue(void); 155void clearqueue(void); 156 157/* file.c */ 158void grep_close(struct file *f); 159struct file *grep_open(const char *path); 160char *grep_fgetln(struct file *f, struct parsec *pc); 161