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