/* $NetBSD: grep.h,v 1.5 2011/02/27 17:33:37 joerg Exp $ */
/* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */
/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
* Copyright (c) 2008-2009 Gabor Kovesdan <gabor@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <bzlib.h>
#include <limits.h>
#include <regex.h>
#include <stdbool.h>
#include <stdio.h>
#include <zlib.h>
extern const char *errstr[];
#define VERSION "2.6.0-FreeBSD"
#define GREP_FIXED 0
#define GREP_BASIC 1
#define GREP_EXTENDED 2
#if !defined(REG_NOSPEC) && !defined(REG_LITERAL)
#define WITH_INTERNAL_NOSPEC
#endif
#define BINFILE_BIN 0
#define BINFILE_SKIP 1
#define BINFILE_TEXT 2
#define FILE_STDIO 0
#define FILE_MMAP 1
#define DIR_READ 0
#define DIR_SKIP 1
#define DIR_RECURSE 2
#define DEV_READ 0
#define DEV_SKIP 1
#define LINK_READ 0
#define LINK_EXPLICIT 1
#define LINK_SKIP 2
#define EXCL_PAT 0
#define INCL_PAT 1
#define MAX_MATCHES 32
struct file {
int fd;
bool binary;
};
struct str {
off_t boff;
off_t off;
size_t len;
char *dat;
char *file;
int line_no;
};
struct pat {
char *pat;
int len;
};
struct epat {
char *pat;
int mode;
};
/*
* Parsing context; used to hold things like matches made and
* other useful bits
*/
struct parsec {
regmatch_t matches[MAX_MATCHES]; /* Matches made */
/* XXX TODO: This should be a chunk, not a line */
struct str ln; /* Current line */
size_t lnstart; /* Position in line */
size_t matchidx; /* Latest match index */
int printed; /* Metadata printed? */
bool binary; /* Binary file? */
bool cntlines; /* Count lines? */
};
/* Flags passed to regcomp() and regexec() */
extern int cflags, eflags;
/* Command line flags */
extern bool Eflag, Fflag, Gflag, Hflag, Lflag,
bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag,
qflag, sflag, vflag, wflag, xflag;
extern bool dexclude, dinclude, fexclude, finclude, lbflag, nullflag;
extern long long Aflag, Bflag;
extern long long mcount;
extern long long mlimit;
extern char fileeol;
extern char *label;
extern const char *color;
extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave;
extern bool file_err, matchall;
extern unsigned int dpatterns, fpatterns, patterns;
extern struct pat *pattern;
extern struct epat *dpattern, *fpattern;
extern regex_t *er_pattern, *r_pattern;
/* For regex errors */
#define RE_ERROR_BUF 512
extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */
/* util.c */
bool file_matching(const char *fname);
bool procfile(const char *fn);
bool grep_tree(char **argv);
void *grep_malloc(size_t size);
void *grep_calloc(size_t nmemb, size_t size);
void *grep_realloc(void *ptr, size_t size);
char *grep_strdup(const char *str);
void grep_printline(struct str *line, int sep);
/* queue.c */
void initqueue(void);
bool enqueue(struct str *x);
void printqueue(void);
void clearqueue(void);
/* file.c */
void grep_close(struct file *f);
struct file *grep_open(const char *path);
char *grep_fgetln(struct file *f, struct parsec *pc);
