NetBSD/usr.bin/grep/grep.h

135 lines
3.4 KiB
C

/* $NetBSD: grep.h,v 1.2 2004/05/05 15:06:33 cjep 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 <regex.h>
#include <stdio.h>
#include <zlib.h>
#define VERSION "20040505"
#define GREP_READ 0
#define GREP_SKIP 1
#define GREP_RECURSE 2
#define BIN_FILE_BIN 0
#define BIN_FILE_SKIP 1
#define BIN_FILE_TEXT 2
#define LINK_EXPLICIT 0
#define LINK_FOLLOW 1
#define LINK_SKIP 2
#define MAX_LINE_MATCHES 30
typedef struct {
size_t len;
int line_no;
int off;
char *file;
char *dat;
} str_t;
/* Flags passed to regcomp() and regexec() */
extern int cflags, eflags;
/* Command line flags */
extern int Aflag, Bflag, Fflag, Lflag, bflag, cflag, lflag, mflag,
nflag, oflag, qflag, sflag, vflag, wflag, xflag;
extern int colours;
extern const char *grep_colour;
extern char fn_endchar, fn_colonchar, fn_dashchar;
extern char line_endchar;
extern int output_filenames;
extern int maxcount;
/* Argv[0] flags */
extern int zgrep;
extern int binbehave, dirbehave, devbehave;
/* extern int linkbehave; */
extern char *stdin_label;
extern int first, matchall, patterns, tail;
extern char **pattern;
extern regex_t *r_pattern;
/*
* For regex errors, 512 seems to be big enough
*/
#define RE_ERROR_BUF 512
extern char re_error[RE_ERROR_BUF + 1];
/* util.c */
int procfile(char *fn);
int grep_tree(char **argv);
void *grep_malloc(size_t size);
void *grep_realloc(void *ptr, size_t size);
void printline(str_t *line, int sep, regmatch_t *matches, int m);
/* 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(char *fn, char *mode);
void mmclose(mmf_t *mmf);
char *mmfgetln(mmf_t *mmf, size_t *l);
void mmrewind(mmf_t *mmf);
/* file.c */
struct file;
typedef struct file file_t;
file_t *grep_fdopen(int fd, char *mode);
file_t *grep_open(char *path, char *mode);
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);