1 /** $MirOS: src/usr.bin/grep/grep.h,v 1.3 2013/08/06 16:59:33 tg Exp $ */ 2 /* $OpenBSD: grep.h,v 1.12 2004/10/03 19:23:02 otto Exp $ */ 3 4 /*- 5 * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/types.h> 31 #include <sys/limits.h> 32 33 #include <regex.h> 34 #include <stdio.h> 35 #include <zlib.h> 36 37 #define VER_MAJ 0 38 #define VER_MIN 9 39 40 #define BIN_FILE_BIN 0 41 #define BIN_FILE_SKIP 1 42 #define BIN_FILE_TEXT 2 43 44 typedef struct { 45 size_t len; 46 int line_no; 47 off_t off; 48 const char *file; 49 char *dat; 50 } str_t; 51 52 typedef struct { 53 const unsigned char *pattern; 54 int patternLen; 55 int qsBc[UCHAR_MAX + 1]; 56 /* flags */ 57 int bol; 58 int eol; 59 int wmatch; 60 int reversedSearch; 61 } fastgrep_t; 62 63 /* Flags passed to regcomp() and regexec() */ 64 extern int cflags, eflags; 65 66 /* Command line flags */ 67 extern int Aflag, Bflag, Eflag, Fflag, Gflag, Hflag, Lflag, Pflag, 68 Sflag, Rflag, Zflag, 69 bflag, cflag, hflag, iflag, lflag, nflag, qflag, sflag, 70 vflag, wflag, xflag; 71 extern int binbehave; 72 73 extern int first, lead, matchall, patterns, tail; 74 extern char **pattern; 75 extern fastgrep_t *fg_pattern; 76 extern regex_t *r_pattern; 77 78 /* For regex errors */ 79 #define RE_ERROR_BUF 512 80 extern char re_error[RE_ERROR_BUF + 1]; /* Seems big enough */ 81 82 /* util.c */ 83 int procfile(const char *fn); 84 int grep_tree(char **argv); 85 void *grep_malloc(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 int 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 int countqueue(void); 97 98 /* mmfile.c */ 99 typedef struct mmfile { 100 int fd; 101 size_t len; 102 char *base, *end, *ptr; 103 } mmf_t; 104 105 mmf_t *mmopen(char *fn, const char *mode); 106 void mmclose(mmf_t *mmf); 107 char *mmfgetln(mmf_t *mmf, size_t *l); 108 long mmtell(mmf_t *mmf); 109 void mmrewind(mmf_t *mmf); 110 111 /* file.c */ 112 struct file; 113 typedef struct file file_t; 114 115 file_t *grep_fdopen(int fd, const char *mode); 116 file_t *grep_open(const char *path, const char *mode); 117 int grep_bin_file(file_t *f); 118 long grep_tell(file_t *f); 119 char *grep_fgetln(file_t *f, size_t *l); 120 void grep_close(file_t *f); 121 122 /* binary.c */ 123 int bin_file(FILE * f); 124 int gzbin_file(gzFile f); 125 int mmbin_file(mmf_t *f); 126