1 /* $OpenBSD: grep.h,v 1.14 2007/09/02 15:19:32 deraadt 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 #include <sys/limits.h> 31 32 #include <regex.h> 33 #include <stdio.h> 34 #include <zlib.h> 35 36 #define VER_MAJ 0 37 #define VER_MIN 9 38 39 #define BIN_FILE_BIN 0 40 #define BIN_FILE_SKIP 1 41 #define BIN_FILE_TEXT 2 42 43 typedef struct { 44 size_t len; 45 int line_no; 46 off_t off; 47 char *file; 48 char *dat; 49 } str_t; 50 51 typedef struct { 52 unsigned char *pattern; 53 int patternLen; 54 int qsBc[UCHAR_MAX + 1]; 55 /* flags */ 56 int bol; 57 int eol; 58 int wmatch; 59 int reversedSearch; 60 } fastgrep_t; 61 62 /* Flags passed to regcomp() and regexec() */ 63 extern int cflags, eflags; 64 65 /* Command line flags */ 66 extern int Aflag, Bflag, Eflag, Fflag, Gflag, Hflag, Lflag, Pflag, 67 Sflag, Rflag, Zflag, 68 bflag, cflag, hflag, iflag, lflag, nflag, qflag, sflag, 69 vflag, wflag, xflag; 70 extern int binbehave; 71 72 extern int first, matchall, patterns, tail; 73 extern char **pattern; 74 extern fastgrep_t *fg_pattern; 75 extern regex_t *r_pattern; 76 77 /* For regex errors */ 78 #define RE_ERROR_BUF 512 79 extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 80 81 /* util.c */ 82 int procfile(char *fn); 83 int grep_tree(char **argv); 84 void *grep_malloc(size_t size); 85 void *grep_calloc(size_t nmemb, size_t size); 86 void *grep_realloc(void *ptr, size_t size); 87 void printline(str_t *line, int sep); 88 int fastcomp(fastgrep_t *, const char *); 89 void fgrepcomp(fastgrep_t *, const char *); 90 91 /* queue.c */ 92 void initqueue(void); 93 void enqueue(str_t *x); 94 void printqueue(void); 95 void clearqueue(void); 96 97 /* mmfile.c */ 98 typedef struct mmfile { 99 int fd; 100 size_t len; 101 char *base, *end, *ptr; 102 } mmf_t; 103 104 mmf_t *mmopen(char *fn, char *mode); 105 void mmclose(mmf_t *mmf); 106 char *mmfgetln(mmf_t *mmf, size_t *l); 107 108 /* file.c */ 109 struct file; 110 typedef struct file file_t; 111 112 file_t *grep_fdopen(int fd, char *mode); 113 file_t *grep_open(char *path, char *mode); 114 int grep_bin_file(file_t *f); 115 char *grep_fgetln(file_t *f, size_t *l); 116 void grep_close(file_t *f); 117 118 /* binary.c */ 119 int bin_file(FILE * f); 120 int gzbin_file(gzFile * f); 121 int mmbin_file(mmf_t *f); 122 123