135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/* $NetBSD: grep.h,v 1.3 2006/05/15 21:12:21 rillig Exp $ */
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/*-
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* Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <regex.h>
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#include <stdio.h>
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#include <zlib.h>
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#define VERSION "20040505"
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#define GREP_READ 0
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#define GREP_SKIP 1
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#define GREP_RECURSE 2
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#define BIN_FILE_BIN 0
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#define BIN_FILE_SKIP 1
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#define BIN_FILE_TEXT 2
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#define LINK_EXPLICIT 0
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#define LINK_FOLLOW 1
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#define LINK_SKIP 2
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#define MAX_LINE_MATCHES 30
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typedef struct {
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size_t len;
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int line_no;
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int off;
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const char *file;
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char *dat;
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} str_t;
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/* Flags passed to regcomp() and regexec() */
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extern int cflags, eflags;
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/* Command line flags */
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extern int Aflag, Bflag, Fflag, Lflag, bflag, cflag, lflag, mflag,
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nflag, oflag, qflag, sflag, vflag, wflag, xflag;
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extern int colours;
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extern const char *grep_colour;
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extern char fn_endchar, fn_colonchar, fn_dashchar;
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extern char line_endchar;
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extern int output_filenames;
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extern int maxcount;
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/* Argv[0] flags */
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extern int zgrep;
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extern int binbehave, dirbehave, devbehave;
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/* extern int linkbehave; */
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extern const char *stdin_label;
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extern int first, matchall, patterns, tail;
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extern char **pattern;
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extern regex_t *r_pattern;
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/*
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* For regex errors, 512 seems to be big enough
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*/
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#define RE_ERROR_BUF 512
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extern char re_error[RE_ERROR_BUF + 1];
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/* util.c */
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int procfile(const char *fn);
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int grep_tree(char **argv);
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void *grep_malloc(size_t size);
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void *grep_realloc(void *ptr, size_t size);
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void printline(str_t *line, int sep, regmatch_t *matches, int m);
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/* queue.c */
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void initqueue(void);
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void enqueue(str_t *x);
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void printqueue(void);
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void clearqueue(void);
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/* mmfile.c */
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typedef struct mmfile {
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int fd;
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size_t len;
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char *base, *end, *ptr;
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} mmf_t;
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mmf_t *mmopen(const char *fn, const char *mode);
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void mmclose(mmf_t *mmf);
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char *mmfgetln(mmf_t *mmf, size_t *l);
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void mmrewind(mmf_t *mmf);
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/* file.c */
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struct file;
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typedef struct file file_t;
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file_t *grep_fdopen(int fd, const char *mode);
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file_t *grep_open(const char *path, const char *mode);
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int grep_bin_file(file_t *f);
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char *grep_fgetln(file_t *f, size_t *l);
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void grep_close(file_t *f);
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/* binary.c */
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int bin_file(FILE * f);
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int gzbin_file(gzFile * f);
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int mmbin_file(mmf_t *f);
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