xref: /freebsd/contrib/nvi/regex/utils.h (revision f0957ccae4f402b93cf27b125542343d28b53109)
1*f0957ccaSPeter Wemm /*	$NetBSD: utils.h,v 1.1.1.2 2008/05/18 14:31:39 aymeric Exp $ */
2*f0957ccaSPeter Wemm 
3*f0957ccaSPeter Wemm /*-
4*f0957ccaSPeter Wemm  * Copyright (c) 1992, 1993, 1994 Henry Spencer.
5*f0957ccaSPeter Wemm  * Copyright (c) 1992, 1993, 1994
6*f0957ccaSPeter Wemm  *	The Regents of the University of California.  All rights reserved.
7*f0957ccaSPeter Wemm  *
8*f0957ccaSPeter Wemm  * This code is derived from software contributed to Berkeley by
9*f0957ccaSPeter Wemm  * Henry Spencer of the University of Toronto.
10*f0957ccaSPeter Wemm  *
11*f0957ccaSPeter Wemm  * Redistribution and use in source and binary forms, with or without
12*f0957ccaSPeter Wemm  * modification, are permitted provided that the following conditions
13*f0957ccaSPeter Wemm  * are met:
14*f0957ccaSPeter Wemm  * 1. Redistributions of source code must retain the above copyright
15*f0957ccaSPeter Wemm  *    notice, this list of conditions and the following disclaimer.
16*f0957ccaSPeter Wemm  * 2. Redistributions in binary form must reproduce the above copyright
17*f0957ccaSPeter Wemm  *    notice, this list of conditions and the following disclaimer in the
18*f0957ccaSPeter Wemm  *    documentation and/or other materials provided with the distribution.
19*f0957ccaSPeter Wemm  * 3. All advertising materials mentioning features or use of this software
20*f0957ccaSPeter Wemm  *    must display the following acknowledgement:
21*f0957ccaSPeter Wemm  *	This product includes software developed by the University of
22*f0957ccaSPeter Wemm  *	California, Berkeley and its contributors.
23*f0957ccaSPeter Wemm  * 4. Neither the name of the University nor the names of its contributors
24*f0957ccaSPeter Wemm  *    may be used to endorse or promote products derived from this software
25*f0957ccaSPeter Wemm  *    without specific prior written permission.
26*f0957ccaSPeter Wemm  *
27*f0957ccaSPeter Wemm  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28*f0957ccaSPeter Wemm  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29*f0957ccaSPeter Wemm  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30*f0957ccaSPeter Wemm  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31*f0957ccaSPeter Wemm  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32*f0957ccaSPeter Wemm  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33*f0957ccaSPeter Wemm  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34*f0957ccaSPeter Wemm  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35*f0957ccaSPeter Wemm  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36*f0957ccaSPeter Wemm  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37*f0957ccaSPeter Wemm  * SUCH DAMAGE.
38*f0957ccaSPeter Wemm  *
39*f0957ccaSPeter Wemm  *	@(#)utils.h	8.2 (Berkeley) 3/16/94
40*f0957ccaSPeter Wemm  */
41*f0957ccaSPeter Wemm 
42*f0957ccaSPeter Wemm /* utility definitions */
43*f0957ccaSPeter Wemm #define	DUPMAX		_POSIX2_RE_DUP_MAX	/* xxx is this right? */
44*f0957ccaSPeter Wemm #define	INFINITY	(DUPMAX + 1)
45*f0957ccaSPeter Wemm #define	NC		(CHAR_MAX - CHAR_MIN + 1)
46*f0957ccaSPeter Wemm typedef unsigned char uch;
47*f0957ccaSPeter Wemm 
48*f0957ccaSPeter Wemm /* switch off assertions (if not already off) if no REDEBUG */
49*f0957ccaSPeter Wemm #ifndef REDEBUG
50*f0957ccaSPeter Wemm #ifndef NDEBUG
51*f0957ccaSPeter Wemm #define	NDEBUG	/* no assertions please */
52*f0957ccaSPeter Wemm #endif
53*f0957ccaSPeter Wemm #endif
54*f0957ccaSPeter Wemm #include <assert.h>
55*f0957ccaSPeter Wemm 
56*f0957ccaSPeter Wemm /* for old systems with bcopy() but no memmove() */
57*f0957ccaSPeter Wemm #ifdef USEBCOPY
58*f0957ccaSPeter Wemm #define	memmove(d, s, c)	bcopy(s, d, c)
59*f0957ccaSPeter Wemm #endif
60