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/* $OpenBSD: grep.h,v 1.15 2010/04/05 03:03:55 tedu Exp $ */
/* $FreeBSD$ */
/*-
* 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>
#ifdef WITHOUT_NLS
#define getstr(n) errstr[n]
#else
#include <nl_types.h>
extern nl_catd catalog;
#define getstr(n) catgets(catalog, 1, n, errstr[n])
#endif
extern const char *errstr[];
#define VERSION "2.5.1-FreeBSD"
#define GREP_FIXED 0
#define GREP_BASIC 1
#define GREP_EXTENDED 2
#define BINFILE_BIN 0
#define BINFILE_SKIP 1
#define BINFILE_TEXT 2
#define FILE_STDIO 0
#define FILE_GZIP 1
#define FILE_BZIP 2
#define DIR_GREP 0
#define DIR_SKIP 1
#define DIR_RECURSE 2
#define DEV_GREP 0
#define DEV_SKIP 1
#define LINK_GREP 0
#define LINK_EXPLICIT 1
#define LINK_SKIP 2
#define FILE_PAT 0
#define DIR_PAT 1
#define EXCL_PAT 0
#define INCL_PAT 1
#define MAX_LINE_MATCHES 32
struct file {
struct mmfile *mmf;
BZFILE *bzf;
FILE *f;
gzFile *gzf;
bool binary;
bool stdin;
};
struct str {
off_t off;
size_t len;
char *dat;
char *file;
int line_no;
};
struct epat {
char *pat;
int mode;
int type;
};
typedef struct {
size_t len;
unsigned char *pattern;
int qsBc[UCHAR_MAX + 1];
/* flags */
bool bol;
bool eol;
bool reversed;
} fastgrep_t;
/* 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 exclflag, nullflag;
extern unsigned long long Aflag, Bflag, mcount;
extern char *color, *label;
extern int binbehave, devbehave, dirbehave, filebehave, grepbehave, linkbehave;
extern bool first, matchall, notfound, prev;
extern int tail;
extern unsigned int epatterns, patterns;
extern char **pattern;
extern struct epat *epattern;
extern regex_t *er_pattern, *r_pattern;
extern fastgrep_t *fg_pattern;
/* For regex errors */
#define RE_ERROR_BUF 512
extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */
/* util.c */
int procfile(const char *fn);
int 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);
void printline(struct str *line, int sep, regmatch_t *matches, int m);
/* queue.c */
void enqueue(struct str *x);
void printqueue(void);
void clearqueue(void);
/* file.c */
void grep_close(struct file *f);
struct file *grep_stdin_open(void);
struct file *grep_open(const char *path);
int grep_feof(struct file *f);
int grep_fgetc(struct file *f);
char *grep_fgetln(struct file *f, size_t *len);
/* fastgrep.c */
int fastcomp(fastgrep_t *, const char *);
void fgrepcomp(fastgrep_t *, const char *);
int grep_search(fastgrep_t *, unsigned char *, size_t, regmatch_t *);
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