1 | /*- |
---|
2 | * Copyright (c) 1992, 1993, 1994 Henry Spencer. |
---|
3 | * Copyright (c) 1992, 1993, 1994 |
---|
4 | * The Regents of the University of California. All rights reserved. |
---|
5 | * |
---|
6 | * This code is derived from software contributed to Berkeley by |
---|
7 | * Henry Spencer. |
---|
8 | * |
---|
9 | * Redistribution and use in source and binary forms, with or without |
---|
10 | * modification, are permitted provided that the following conditions |
---|
11 | * are met: |
---|
12 | * 1. Redistributions of source code must retain the above copyright |
---|
13 | * notice, this list of conditions and the following disclaimer. |
---|
14 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
15 | * notice, this list of conditions and the following disclaimer in the |
---|
16 | * documentation and/or other materials provided with the distribution. |
---|
17 | * 3. All advertising materials mentioning features or use of this software |
---|
18 | * must display the following acknowledgement: |
---|
19 | * This product includes software developed by the University of |
---|
20 | * California, Berkeley and its contributors. |
---|
21 | * 4. Neither the name of the University nor the names of its contributors |
---|
22 | * may be used to endorse or promote products derived from this software |
---|
23 | * without specific prior written permission. |
---|
24 | * |
---|
25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
---|
26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
---|
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
---|
30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
---|
31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
---|
33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
---|
34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
---|
35 | * SUCH DAMAGE. |
---|
36 | * |
---|
37 | * @(#)utils.h 8.3 (Berkeley) 3/20/94 |
---|
38 | * $FreeBSD: src/lib/libc/regex/utils.h,v 1.2 2002/03/22 23:41:56 obrien Exp $ |
---|
39 | */ |
---|
40 | |
---|
41 | /* utility definitions */ |
---|
42 | #define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */ |
---|
43 | #define INFINITY (DUPMAX + 1) |
---|
44 | #define NC (CHAR_MAX - CHAR_MIN + 1) |
---|
45 | typedef unsigned char uch; |
---|
46 | |
---|
47 | /* switch off assertions (if not already off) if no REDEBUG */ |
---|
48 | #ifndef REDEBUG |
---|
49 | #ifndef NDEBUG |
---|
50 | #define NDEBUG /* no assertions please */ |
---|
51 | #endif |
---|
52 | #endif |
---|
53 | #include <assert.h> |
---|
54 | |
---|
55 | /* for old systems with bcopy() but no memmove() */ |
---|
56 | #ifdef USEBCOPY |
---|
57 | #define memmove(d, s, c) bcopy(s, d, c) |
---|
58 | #endif |
---|