1 /* $OpenBSD: grep.h,v 1.24 2015/12/14 20:02:07 mmcc 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 <limits.h> 32 #include <regex.h> 33 #include <stdint.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 long long line_no; 47 off_t off; 48 char *file; 49 char *dat; 50 } str_t; 51 52 typedef struct { 53 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, Hflag, Lflag, 68 Rflag, Zflag, 69 bflag, cflag, hflag, iflag, lflag, nflag, oflag, qflag, sflag, 70 vflag, wflag, xflag; 71 extern int binbehave; 72 73 extern int first, matchall, patterns, tail, file_err; 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(char *fn); 84 int grep_tree(char **argv); 85 void *grep_malloc(size_t size); 86 void *grep_calloc(size_t nmemb, size_t size); 87 void *grep_realloc(void *ptr, size_t size); 88 void *grep_reallocarray(void *ptr, size_t nmemb, size_t size); 89 void printline(str_t *line, int sep, regmatch_t *pmatch); 90 int fastcomp(fastgrep_t *, const char *); 91 void fgrepcomp(fastgrep_t *, const unsigned char *); 92 93 /* queue.c */ 94 void initqueue(void); 95 void enqueue(str_t *x); 96 void printqueue(void); 97 void clearqueue(void); 98 99 /* mmfile.c */ 100 typedef struct mmfile { 101 int fd; 102 size_t len; 103 char *base, *end, *ptr; 104 } mmf_t; 105 106 mmf_t *mmopen(char *fn, char *mode); 107 void mmclose(mmf_t *mmf); 108 char *mmfgetln(mmf_t *mmf, size_t *l); 109 110 /* file.c */ 111 struct file; 112 typedef struct file file_t; 113 114 file_t *grep_fdopen(int fd, char *mode); 115 file_t *grep_open(char *path, char *mode); 116 int grep_bin_file(file_t *f); 117 char *grep_fgetln(file_t *f, size_t *l); 118 void grep_close(file_t *f); 119 120 /* binary.c */ 121 int bin_file(FILE * f); 122 int gzbin_file(gzFile * f); 123 int mmbin_file(mmf_t *f); 124 125