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1  /*	$NetBSD: utils.h,v 1.6 2003/08/07 16:43:21 agc Exp $	*/
2  
3  /*-
4   * Copyright (c) 1992, 1993, 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   * Henry Spencer.
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   *	@(#)utils.h	8.3 (Berkeley) 3/20/94
35   */
36  
37  /*-
38   * Copyright (c) 1992, 1993, 1994 Henry Spencer.
39   *
40   * This code is derived from software contributed to Berkeley by
41   * Henry Spencer.
42   *
43   * Redistribution and use in source and binary forms, with or without
44   * modification, are permitted provided that the following conditions
45   * are met:
46   * 1. Redistributions of source code must retain the above copyright
47   *    notice, this list of conditions and the following disclaimer.
48   * 2. Redistributions in binary form must reproduce the above copyright
49   *    notice, this list of conditions and the following disclaimer in the
50   *    documentation and/or other materials provided with the distribution.
51   * 3. All advertising materials mentioning features or use of this software
52   *    must display the following acknowledgement:
53   *	This product includes software developed by the University of
54   *	California, Berkeley and its contributors.
55   * 4. Neither the name of the University nor the names of its contributors
56   *    may be used to endorse or promote products derived from this software
57   *    without specific prior written permission.
58   *
59   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69   * SUCH DAMAGE.
70   *
71   *	@(#)utils.h	8.3 (Berkeley) 3/20/94
72   */
73  
74  /* utility definitions */
75  #define	DUPMAX		_POSIX2_RE_DUP_MAX	/* xxx is this right? */
76  #define	INFINITY	(DUPMAX + 1)
77  #define	NC		(CHAR_MAX - CHAR_MIN + 1)
78  typedef unsigned char uch;
79  
80  /* switch off assertions (if not already off) if no REDEBUG */
81  #ifndef REDEBUG
82  #ifndef NDEBUG
83  #define	NDEBUG	/* no assertions please */
84  #endif
85  #endif
86  #include <assert.h>
87  
88  /* for old systems with bcopy() but no memmove() */
89  #ifdef USEBCOPY
90  #define	memmove(d, s, c)	bcopy(s, d, c)
91  #endif
92