Home | History | Annotate | Line # | Download | only in grep
grep.h revision 1.2 
      1  1.2  cjep /*	$NetBSD: grep.h,v 1.2 2004/05/05 15:06:33 cjep Exp $	*/
      2  1.2  cjep 
      3  1.1  cjep /*-
      4  1.1  cjep  * Copyright (c) 1999 James Howard and Dag-Erling Codan Smrgrav
      5  1.1  cjep  * All rights reserved.
      6  1.1  cjep  *
      7  1.1  cjep  * Redistribution and use in source and binary forms, with or without
      8  1.1  cjep  * modification, are permitted provided that the following conditions
      9  1.1  cjep  * are met:
     10  1.1  cjep  * 1. Redistributions of source code must retain the above copyright
     11  1.1  cjep  *    notice, this list of conditions and the following disclaimer.
     12  1.1  cjep  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  cjep  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  cjep  *    documentation and/or other materials provided with the distribution.
     15  1.1  cjep  *
     16  1.1  cjep  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.1  cjep  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1  cjep  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1  cjep  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.1  cjep  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1  cjep  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1  cjep  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1  cjep  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1  cjep  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1  cjep  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1  cjep  * SUCH DAMAGE.
     27  1.1  cjep  */
     28  1.1  cjep 
     29  1.1  cjep #include <sys/types.h>
     30  1.1  cjep 
     31  1.1  cjep #include <regex.h>
     32  1.1  cjep #include <stdio.h>
     33  1.1  cjep #include <zlib.h>
     34  1.1  cjep 
     35  1.2  cjep #define VERSION "20040505"
     36  1.2  cjep 
     37  1.2  cjep #define	GREP_READ	0
     38  1.2  cjep #define GREP_SKIP	1
     39  1.2  cjep #define GREP_RECURSE	2
     40  1.2  cjep 
     41  1.2  cjep #define BIN_FILE_BIN	0
     42  1.2  cjep #define BIN_FILE_SKIP	1
     43  1.2  cjep #define BIN_FILE_TEXT	2
     44  1.2  cjep 
     45  1.2  cjep #define LINK_EXPLICIT	0
     46  1.2  cjep #define LINK_FOLLOW	1
     47  1.2  cjep #define LINK_SKIP	2
     48  1.2  cjep 
     49  1.2  cjep #define MAX_LINE_MATCHES	30
     50  1.1  cjep 
     51  1.1  cjep typedef struct {
     52  1.2  cjep 	size_t len;
     53  1.2  cjep 	int line_no;
     54  1.2  cjep 	int off;
     55  1.2  cjep 	char *file;
     56  1.2  cjep 	char *dat;
     57  1.1  cjep } str_t;
     58  1.1  cjep 
     59  1.1  cjep /* Flags passed to regcomp() and regexec() */
     60  1.2  cjep extern int cflags, eflags;
     61  1.1  cjep 
     62  1.1  cjep /* Command line flags */
     63  1.2  cjep extern int Aflag, Bflag, Fflag, Lflag, bflag, cflag, lflag, mflag,
     64  1.2  cjep 	nflag, oflag, qflag, sflag, vflag, wflag, xflag;
     65  1.2  cjep 
     66  1.2  cjep extern int colours;
     67  1.2  cjep extern const char *grep_colour;
     68  1.2  cjep extern char fn_endchar, fn_colonchar, fn_dashchar;
     69  1.2  cjep extern char line_endchar;
     70  1.2  cjep 
     71  1.2  cjep extern int output_filenames;
     72  1.2  cjep 
     73  1.2  cjep extern int maxcount;
     74  1.2  cjep 
     75  1.2  cjep /* Argv[0] flags */
     76  1.2  cjep extern int zgrep;
     77  1.2  cjep 
     78  1.2  cjep extern int binbehave, dirbehave, devbehave;
     79  1.2  cjep /* extern int linkbehave; */
     80  1.2  cjep extern char *stdin_label;
     81  1.2  cjep 
     82  1.2  cjep extern int first, matchall, patterns, tail;
     83  1.2  cjep extern char **pattern;
     84  1.2  cjep extern regex_t *r_pattern;
     85  1.2  cjep 
     86  1.2  cjep /*
     87  1.2  cjep  * For regex errors, 512 seems to be big enough
     88  1.2  cjep  */
     89  1.2  cjep #define RE_ERROR_BUF 	512
     90  1.2  cjep 
     91  1.2  cjep extern char re_error[RE_ERROR_BUF + 1];
     92  1.1  cjep 
     93  1.1  cjep /* util.c */
     94  1.2  cjep int procfile(char *fn);
     95  1.2  cjep int grep_tree(char **argv);
     96  1.2  cjep 
     97  1.2  cjep void *grep_malloc(size_t size);
     98  1.2  cjep void *grep_realloc(void *ptr, size_t size);
     99  1.2  cjep void printline(str_t *line, int sep, regmatch_t *matches, int m);
    100  1.1  cjep 
    101  1.1  cjep /* queue.c */
    102  1.2  cjep void initqueue(void);
    103  1.2  cjep void enqueue(str_t *x);
    104  1.2  cjep void printqueue(void);
    105  1.2  cjep void clearqueue(void);
    106  1.1  cjep 
    107  1.1  cjep /* mmfile.c */
    108  1.1  cjep typedef struct mmfile {
    109  1.2  cjep 	int fd;
    110  1.2  cjep 	size_t len;
    111  1.2  cjep 	char *base, *end, *ptr;
    112  1.1  cjep } mmf_t;
    113  1.1  cjep 
    114  1.2  cjep mmf_t *mmopen(char *fn, char *mode);
    115  1.2  cjep void mmclose(mmf_t *mmf);
    116  1.2  cjep char *mmfgetln(mmf_t *mmf, size_t *l);
    117  1.2  cjep void mmrewind(mmf_t *mmf);
    118  1.1  cjep 
    119  1.1  cjep /* file.c */
    120  1.1  cjep struct file;
    121  1.1  cjep typedef struct file file_t;
    122  1.1  cjep 
    123  1.2  cjep file_t *grep_fdopen(int fd, char *mode);
    124  1.2  cjep file_t *grep_open(char *path, char *mode);
    125  1.2  cjep 
    126  1.2  cjep int grep_bin_file(file_t *f);
    127  1.2  cjep char *grep_fgetln(file_t *f, size_t *l);
    128  1.2  cjep void grep_close(file_t *f);
    129  1.1  cjep 
    130  1.1  cjep /* binary.c */
    131  1.2  cjep int bin_file(FILE * f);
    132  1.2  cjep int gzbin_file(gzFile * f);
    133  1.2  cjep int mmbin_file(mmf_t *f);
    134  1.1  cjep 
    135