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/* $OpenBSD: grep.h,v 1.29 2022/06/26 10:57:36 op Exp $ */
/*-
* Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
* 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 <sys/types.h>
#include <sys/stat.h>
#include <limits.h>
#include <regex.h>
#include <stdint.h>
#include <stdio.h>
#include <zlib.h>
#define VER_MAJ 0
#define VER_MIN 9
#define BIN_FILE_BIN 0
#define BIN_FILE_SKIP 1
#define BIN_FILE_TEXT 2
typedef struct {
size_t len;
long long line_no;
off_t off;
char *file;
char *dat;
} str_t;
typedef struct {
unsigned char *pattern;
int patternLen;
int qsBc[UCHAR_MAX + 1];
/* flags */
int bol;
int eol;
int wmatch;
int reversedSearch;
} fastgrep_t;
/* Flags passed to regcomp() and regexec() */
extern int cflags, eflags;
/* Command line flags */
extern int Aflag, Bflag, Eflag, Fflag, Hflag, Lflag,
Rflag, Zflag,
bflag, cflag, hflag, iflag, lflag, mflag, nflag, oflag, qflag,
sflag, vflag, wflag, xflag, nullflag;
extern int binbehave;
extern const char *labelname;
extern int first, matchall, patterns, tail, file_err;
extern char **pattern;
extern fastgrep_t *fg_pattern;
extern regex_t *r_pattern;
/* For -m max-count */
extern long long mcount, mlimit;
/* For regex errors */
#define RE_ERROR_BUF 512
extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */
/* util.c */
int procfile(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 *grep_reallocarray(void *ptr, size_t nmemb, size_t size);
void printline(str_t *line, int sep, regmatch_t *pmatch);
int fastcomp(fastgrep_t *, const char *);
void fgrepcomp(fastgrep_t *, const unsigned char *);
/* queue.c */
void initqueue(void);
void enqueue(str_t *x);
void printqueue(void);
void clearqueue(void);
/* mmfile.c */
typedef struct mmfile {
int fd;
size_t len;
char *base, *end, *ptr;
} mmf_t;
mmf_t *mmopen(int fd, struct stat *sb);
void mmclose(mmf_t *mmf);
char *mmfgetln(mmf_t *mmf, size_t *l);
/* file.c */
struct file;
typedef struct file file_t;
file_t *grep_fdopen(int fd);
file_t *grep_open(char *path);
int grep_bin_file(file_t *f);
char *grep_fgetln(file_t *f, size_t *l);
void grep_close(file_t *f);
/* binary.c */
int bin_file(FILE * f);
int gzbin_file(gzFile f);
int mmbin_file(mmf_t *f);
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