xref: /dflybsd-src/contrib/nvi2/regex/utils.h (revision 48a77267bbaa6d5859acb2b336dbf1da36437dc6)
1*e0b8e63eSJohn Marino /*	$NetBSD: utils.h,v 1.1.1.2 2008/05/18 14:31:39 aymeric Exp $ */
2*e0b8e63eSJohn Marino 
3*e0b8e63eSJohn Marino /*-
4*e0b8e63eSJohn Marino  * Copyright (c) 1992, 1993, 1994 Henry Spencer.
5*e0b8e63eSJohn Marino  * Copyright (c) 1992, 1993, 1994
6*e0b8e63eSJohn Marino  *	The Regents of the University of California.  All rights reserved.
7*e0b8e63eSJohn Marino  *
8*e0b8e63eSJohn Marino  * This code is derived from software contributed to Berkeley by
9*e0b8e63eSJohn Marino  * Henry Spencer of the University of Toronto.
10*e0b8e63eSJohn Marino  *
11*e0b8e63eSJohn Marino  * Redistribution and use in source and binary forms, with or without
12*e0b8e63eSJohn Marino  * modification, are permitted provided that the following conditions
13*e0b8e63eSJohn Marino  * are met:
14*e0b8e63eSJohn Marino  * 1. Redistributions of source code must retain the above copyright
15*e0b8e63eSJohn Marino  *    notice, this list of conditions and the following disclaimer.
16*e0b8e63eSJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
17*e0b8e63eSJohn Marino  *    notice, this list of conditions and the following disclaimer in the
18*e0b8e63eSJohn Marino  *    documentation and/or other materials provided with the distribution.
19*e0b8e63eSJohn Marino  * 3. Neither the name of the University nor the names of its contributors
20*e0b8e63eSJohn Marino  *    may be used to endorse or promote products derived from this software
21*e0b8e63eSJohn Marino  *    without specific prior written permission.
22*e0b8e63eSJohn Marino  *
23*e0b8e63eSJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24*e0b8e63eSJohn Marino  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*e0b8e63eSJohn Marino  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*e0b8e63eSJohn Marino  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27*e0b8e63eSJohn Marino  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*e0b8e63eSJohn Marino  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*e0b8e63eSJohn Marino  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*e0b8e63eSJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*e0b8e63eSJohn Marino  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*e0b8e63eSJohn Marino  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*e0b8e63eSJohn Marino  * SUCH DAMAGE.
34*e0b8e63eSJohn Marino  *
35*e0b8e63eSJohn Marino  *	@(#)utils.h	8.2 (Berkeley) 3/16/94
36*e0b8e63eSJohn Marino  */
37*e0b8e63eSJohn Marino 
38*e0b8e63eSJohn Marino /* utility definitions */
39*e0b8e63eSJohn Marino #define	DUPMAX		_POSIX2_RE_DUP_MAX	/* xxx is this right? */
40*e0b8e63eSJohn Marino #define	INFINITY	(DUPMAX + 1)
41*e0b8e63eSJohn Marino #define	NC		(CHAR_MAX - CHAR_MIN + 1)
42*e0b8e63eSJohn Marino typedef unsigned char uch;
43*e0b8e63eSJohn Marino 
44*e0b8e63eSJohn Marino /* switch off assertions (if not already off) if no REDEBUG */
45*e0b8e63eSJohn Marino #ifndef REDEBUG
46*e0b8e63eSJohn Marino #ifndef NDEBUG
47*e0b8e63eSJohn Marino #define	NDEBUG	/* no assertions please */
48*e0b8e63eSJohn Marino #endif
49*e0b8e63eSJohn Marino #endif
50*e0b8e63eSJohn Marino #include <assert.h>
51*e0b8e63eSJohn Marino 
52*e0b8e63eSJohn Marino /* for old systems with bcopy() but no memmove() */
53*e0b8e63eSJohn Marino #ifdef USEBCOPY
54*e0b8e63eSJohn Marino #define	memmove(d, s, c)	bcopy(s, d, c)
55*e0b8e63eSJohn Marino #endif
56