1/* $NetBSD: bm.h,v 1.7 2016/01/22 22:27:01 dholland Exp $ */
2
3/*-
4 * Copyright (c) 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Andrew Hume of AT&T Bell Laboratories.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)bm.h 8.6 (Berkeley) 6/21/94
35 */
36
37#ifndef _BM_H_
38#define _BM_H_
39
40#include <stddef.h>
41
42typedef struct {
43 unsigned char *pat; /* pattern */
44 size_t patlen; /* pattern length */
45 size_t *delta; /* skip delta */
46 int rarec; /* rare character */
47 size_t rareoff; /* rare offset */
48 size_t md2; /* mini delta */
49} bm_pat;
50
51#include <sys/cdefs.h>
52
53__BEGIN_DECLS
54bm_pat *bm_comp(unsigned char const *, size_t, unsigned char const *);
55unsigned char *bm_exec(bm_pat *, unsigned char *, size_t);
56void bm_free(bm_pat *);
57__END_DECLS
58
59#endif /* !_BM_H_ */