1220422Sgabor/* $NetBSD: grep.h,v 1.5 2011/02/27 17:33:37 joerg Exp $ */ 2210389Sgabor/* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */ 3210389Sgabor/* $FreeBSD: stable/11/usr.bin/grep/grep.h 354628 2019-11-11 19:54:08Z kevans $ */ 4210389Sgabor 5210389Sgabor/*- 6330449Seadler * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 7330449Seadler * 8211496Sdes * Copyright (c) 1999 James Howard and Dag-Erling Co��dan Sm��rgrav 9210389Sgabor * Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org> 10210389Sgabor * All rights reserved. 11210389Sgabor * 12210389Sgabor * Redistribution and use in source and binary forms, with or without 13210389Sgabor * modification, are permitted provided that the following conditions 14210389Sgabor * are met: 15210389Sgabor * 1. Redistributions of source code must retain the above copyright 16210389Sgabor * notice, this list of conditions and the following disclaimer. 17210389Sgabor * 2. Redistributions in binary form must reproduce the above copyright 18210389Sgabor * notice, this list of conditions and the following disclaimer in the 19210389Sgabor * documentation and/or other materials provided with the distribution. 20210389Sgabor * 21210389Sgabor * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22210389Sgabor * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23210389Sgabor * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24210389Sgabor * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25210389Sgabor * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26210389Sgabor * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27210389Sgabor * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28210389Sgabor * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29210389Sgabor * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30210389Sgabor * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31210389Sgabor * SUCH DAMAGE. 32210389Sgabor */ 33210389Sgabor 34210389Sgabor#include <bzlib.h> 35210389Sgabor#include <limits.h> 36210389Sgabor#include <regex.h> 37210389Sgabor#include <stdbool.h> 38210389Sgabor#include <stdio.h> 39210389Sgabor#include <zlib.h> 40210389Sgabor 41322582Skevans#ifndef WITHOUT_FASTMATCH 42226035Sgabor#include "fastmatch.h" 43322582Skevans#endif 44226035Sgabor 45210389Sgabor#ifdef WITHOUT_NLS 46264744Spfg#define getstr(n) errstr[n] 47210389Sgabor#else 48210389Sgabor#include <nl_types.h> 49210389Sgabor 50210389Sgaborextern nl_catd catalog; 51264744Spfg#define getstr(n) catgets(catalog, 1, n, errstr[n]) 52210389Sgabor#endif 53210389Sgabor 54210389Sgaborextern const char *errstr[]; 55210389Sgabor 56322625Skevans#define VERSION "2.6.0-FreeBSD" 57210389Sgabor 58264744Spfg#define GREP_FIXED 0 59264744Spfg#define GREP_BASIC 1 60264744Spfg#define GREP_EXTENDED 2 61210389Sgabor 62323443Skevans#if !defined(REG_NOSPEC) && !defined(REG_LITERAL) 63323443Skevans#define WITH_INTERNAL_NOSPEC 64323443Skevans#endif 65323443Skevans 66264744Spfg#define BINFILE_BIN 0 67264744Spfg#define BINFILE_SKIP 1 68264744Spfg#define BINFILE_TEXT 2 69210389Sgabor 70264744Spfg#define FILE_STDIO 0 71264744Spfg#define FILE_MMAP 1 72264744Spfg#define FILE_GZIP 2 73264744Spfg#define FILE_BZIP 3 74264744Spfg#define FILE_XZ 4 75264744Spfg#define FILE_LZMA 5 76210389Sgabor 77264744Spfg#define DIR_READ 0 78264744Spfg#define DIR_SKIP 1 79264744Spfg#define DIR_RECURSE 2 80210389Sgabor 81264744Spfg#define DEV_READ 0 82264744Spfg#define DEV_SKIP 1 83210389Sgabor 84264744Spfg#define LINK_READ 0 85264744Spfg#define LINK_EXPLICIT 1 86264744Spfg#define LINK_SKIP 2 87210389Sgabor 88264744Spfg#define EXCL_PAT 0 89264744Spfg#define INCL_PAT 1 90210389Sgabor 91322622Skevans#define MAX_MATCHES 32 92210389Sgabor 93210389Sgaborstruct file { 94211463Sgabor int fd; 95210389Sgabor bool binary; 96210389Sgabor}; 97210389Sgabor 98210389Sgaborstruct str { 99322610Skevans off_t boff; 100210389Sgabor off_t off; 101210389Sgabor size_t len; 102210389Sgabor char *dat; 103210389Sgabor char *file; 104210389Sgabor int line_no; 105210389Sgabor}; 106210389Sgabor 107226035Sgaborstruct pat { 108226035Sgabor char *pat; 109226035Sgabor int len; 110226035Sgabor}; 111226035Sgabor 112210389Sgaborstruct epat { 113210389Sgabor char *pat; 114210389Sgabor int mode; 115210389Sgabor}; 116210389Sgabor 117354628Skevans/* 118354628Skevans * Parsing context; used to hold things like matches made and 119354628Skevans * other useful bits 120354628Skevans */ 121354628Skevansstruct parsec { 122354628Skevans regmatch_t matches[MAX_MATCHES]; /* Matches made */ 123354628Skevans /* XXX TODO: This should be a chunk, not a line */ 124354628Skevans struct str ln; /* Current line */ 125354628Skevans size_t lnstart; /* Position in line */ 126354628Skevans size_t matchidx; /* Latest match index */ 127354628Skevans int printed; /* Metadata printed? */ 128354628Skevans bool binary; /* Binary file? */ 129354628Skevans bool cntlines; /* Count lines? */ 130354628Skevans}; 131354628Skevans 132210389Sgabor/* Flags passed to regcomp() and regexec() */ 133210389Sgaborextern int cflags, eflags; 134210389Sgabor 135210389Sgabor/* Command line flags */ 136210389Sgaborextern bool Eflag, Fflag, Gflag, Hflag, Lflag, 137210389Sgabor bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, 138210389Sgabor qflag, sflag, vflag, wflag, xflag; 139211364Sgaborextern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag; 140322607Skevansextern long long Aflag, Bflag; 141226035Sgaborextern long long mcount; 142244493Seadlerextern long long mlimit; 143322560Skevansextern char fileeol; 144210461Sgaborextern char *label; 145210461Sgaborextern const char *color; 146210389Sgaborextern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave; 147210389Sgabor 148322587Skevansextern bool file_err, matchall; 149210578Sgaborextern unsigned int dpatterns, fpatterns, patterns; 150226035Sgaborextern struct pat *pattern; 151210578Sgaborextern struct epat *dpattern, *fpattern; 152210389Sgaborextern regex_t *er_pattern, *r_pattern; 153322582Skevans#ifndef WITHOUT_FASTMATCH 154226035Sgaborextern fastmatch_t *fg_pattern; 155322582Skevans#endif 156210389Sgabor 157210389Sgabor/* For regex errors */ 158264744Spfg#define RE_ERROR_BUF 512 159210389Sgaborextern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 160210389Sgabor 161210389Sgabor/* util.c */ 162210578Sgaborbool file_matching(const char *fname); 163354628Skevansbool procfile(const char *fn); 164354628Skevansbool grep_tree(char **argv); 165210389Sgaborvoid *grep_malloc(size_t size); 166210389Sgaborvoid *grep_calloc(size_t nmemb, size_t size); 167210389Sgaborvoid *grep_realloc(void *ptr, size_t size); 168210578Sgaborchar *grep_strdup(const char *str); 169322587Skevansvoid grep_printline(struct str *line, int sep); 170210389Sgabor 171210389Sgabor/* queue.c */ 172322587Skevansbool enqueue(struct str *x); 173210389Sgaborvoid printqueue(void); 174210389Sgaborvoid clearqueue(void); 175210389Sgabor 176210389Sgabor/* file.c */ 177210389Sgaborvoid grep_close(struct file *f); 178210389Sgaborstruct file *grep_open(const char *path); 179354628Skevanschar *grep_fgetln(struct file *f, struct parsec *pc); 180