xref: /freebsd/contrib/nvi/regex/utils.h (revision 416ba5c74546f32a993436a99516d35008e9f384)
1f0957ccaSPeter Wemm /*	$NetBSD: utils.h,v 1.1.1.2 2008/05/18 14:31:39 aymeric Exp $ */
2f0957ccaSPeter Wemm 
3f0957ccaSPeter Wemm /*-
4f0957ccaSPeter Wemm  * Copyright (c) 1992, 1993, 1994 Henry Spencer.
5f0957ccaSPeter Wemm  * Copyright (c) 1992, 1993, 1994
6f0957ccaSPeter Wemm  *	The Regents of the University of California.  All rights reserved.
7f0957ccaSPeter Wemm  *
8f0957ccaSPeter Wemm  * This code is derived from software contributed to Berkeley by
9f0957ccaSPeter Wemm  * Henry Spencer of the University of Toronto.
10f0957ccaSPeter Wemm  *
11f0957ccaSPeter Wemm  * Redistribution and use in source and binary forms, with or without
12f0957ccaSPeter Wemm  * modification, are permitted provided that the following conditions
13f0957ccaSPeter Wemm  * are met:
14f0957ccaSPeter Wemm  * 1. Redistributions of source code must retain the above copyright
15f0957ccaSPeter Wemm  *    notice, this list of conditions and the following disclaimer.
16f0957ccaSPeter Wemm  * 2. Redistributions in binary form must reproduce the above copyright
17f0957ccaSPeter Wemm  *    notice, this list of conditions and the following disclaimer in the
18f0957ccaSPeter Wemm  *    documentation and/or other materials provided with the distribution.
19*c271fa92SBaptiste Daroussin  * 3. Neither the name of the University nor the names of its contributors
20f0957ccaSPeter Wemm  *    may be used to endorse or promote products derived from this software
21f0957ccaSPeter Wemm  *    without specific prior written permission.
22f0957ccaSPeter Wemm  *
23f0957ccaSPeter Wemm  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24f0957ccaSPeter Wemm  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25f0957ccaSPeter Wemm  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26f0957ccaSPeter Wemm  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27f0957ccaSPeter Wemm  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28f0957ccaSPeter Wemm  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29f0957ccaSPeter Wemm  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30f0957ccaSPeter Wemm  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31f0957ccaSPeter Wemm  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32f0957ccaSPeter Wemm  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33f0957ccaSPeter Wemm  * SUCH DAMAGE.
34f0957ccaSPeter Wemm  *
35f0957ccaSPeter Wemm  *	@(#)utils.h	8.2 (Berkeley) 3/16/94
36f0957ccaSPeter Wemm  */
37f0957ccaSPeter Wemm 
38f0957ccaSPeter Wemm /* utility definitions */
39f0957ccaSPeter Wemm #define	DUPMAX		_POSIX2_RE_DUP_MAX	/* xxx is this right? */
40f0957ccaSPeter Wemm #define	INFINITY	(DUPMAX + 1)
41f0957ccaSPeter Wemm #define	NC		(CHAR_MAX - CHAR_MIN + 1)
42f0957ccaSPeter Wemm typedef unsigned char uch;
43f0957ccaSPeter Wemm 
44f0957ccaSPeter Wemm /* switch off assertions (if not already off) if no REDEBUG */
45f0957ccaSPeter Wemm #ifndef REDEBUG
46f0957ccaSPeter Wemm #ifndef NDEBUG
47f0957ccaSPeter Wemm #define	NDEBUG	/* no assertions please */
48f0957ccaSPeter Wemm #endif
49f0957ccaSPeter Wemm #endif
50f0957ccaSPeter Wemm #include <assert.h>
51f0957ccaSPeter Wemm 
52f0957ccaSPeter Wemm /* for old systems with bcopy() but no memmove() */
53f0957ccaSPeter Wemm #ifdef USEBCOPY
54f0957ccaSPeter Wemm #define	memmove(d, s, c)	bcopy(s, d, c)
55f0957ccaSPeter Wemm #endif
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