Annotation of src/usr.bin/grep/grep.h, Revision 1.20
1.20 ! deraadt 1: /* $OpenBSD: grep.h,v 1.19 2013/11/26 13:21:16 deraadt Exp $ */
1.2 deraadt 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
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>
1.4 tedu 30: #include <sys/limits.h>
1.1 deraadt 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:
1.3 tedu 39: #define BIN_FILE_BIN 0
40: #define BIN_FILE_SKIP 1
41: #define BIN_FILE_TEXT 2
42:
1.1 deraadt 43: typedef struct {
44: size_t len;
45: int line_no;
1.9 otto 46: off_t off;
1.1 deraadt 47: char *file;
48: char *dat;
49: } str_t;
50:
1.4 tedu 51: typedef struct {
52: unsigned char *pattern;
53: int patternLen;
54: int qsBc[UCHAR_MAX + 1];
55: /* flags */
56: int bol;
57: int eol;
1.10 millert 58: int wmatch;
1.4 tedu 59: int reversedSearch;
60: } fastgrep_t;
61:
1.1 deraadt 62: /* Flags passed to regcomp() and regexec() */
63: extern int cflags, eflags;
64:
65: /* Command line flags */
1.16 tedu 66: extern int Aflag, Bflag, Eflag, Fflag, Gflag, Hflag, Lflag,
1.15 tedu 67: Rflag, Zflag,
1.17 tedu 68: bflag, cflag, hflag, iflag, lflag, nflag, oflag, qflag, sflag,
1.1 deraadt 69: vflag, wflag, xflag;
1.12 otto 70: extern int binbehave;
1.1 deraadt 71:
1.18 millert 72: extern int first, matchall, patterns, tail, file_err;
1.1 deraadt 73: extern char **pattern;
1.4 tedu 74: extern fastgrep_t *fg_pattern;
1.1 deraadt 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);
1.14 deraadt 85: void *grep_calloc(size_t nmemb, size_t size);
1.1 deraadt 86: void *grep_realloc(void *ptr, size_t size);
1.20 ! deraadt 87: void *grep_reallocarray(void *ptr, size_t nmemb, size_t size);
1.17 tedu 88: void printline(str_t *line, int sep, regmatch_t *pmatch);
1.4 tedu 89: int fastcomp(fastgrep_t *, const char *);
1.19 deraadt 90: void fgrepcomp(fastgrep_t *, const unsigned char *);
1.1 deraadt 91:
92: /* queue.c */
1.6 millert 93: void initqueue(void);
1.1 deraadt 94: void enqueue(str_t *x);
1.6 millert 95: void printqueue(void);
96: void clearqueue(void);
1.1 deraadt 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, char *mode);
106: void mmclose(mmf_t *mmf);
107: char *mmfgetln(mmf_t *mmf, size_t *l);
108:
109: /* file.c */
110: struct file;
111: typedef struct file file_t;
112:
113: file_t *grep_fdopen(int fd, char *mode);
114: file_t *grep_open(char *path, char *mode);
115: int grep_bin_file(file_t *f);
116: char *grep_fgetln(file_t *f, size_t *l);
117: void grep_close(file_t *f);
118:
119: /* binary.c */
120: int bin_file(FILE * f);
121: int gzbin_file(gzFile * f);
122: int mmbin_file(mmf_t *f);
123: