/home/arjun/llvm-project/llvm/lib/Support/regutils.h
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1 | | /*- |
2 | | * This code is derived from OpenBSD's libc/regex, original license follows: |
3 | | * |
4 | | * Copyright (c) 1992, 1993, 1994 Henry Spencer. |
5 | | * Copyright (c) 1992, 1993, 1994 |
6 | | * The Regents of the University of California. All rights reserved. |
7 | | * |
8 | | * This code is derived from software contributed to Berkeley by |
9 | | * Henry Spencer. |
10 | | * |
11 | | * Redistribution and use in source and binary forms, with or without |
12 | | * modification, are permitted provided that the following conditions |
13 | | * are met: |
14 | | * 1. Redistributions of source code must retain the above copyright |
15 | | * notice, this list of conditions and the following disclaimer. |
16 | | * 2. Redistributions in binary form must reproduce the above copyright |
17 | | * notice, this list of conditions and the following disclaimer in the |
18 | | * documentation and/or other materials provided with the distribution. |
19 | | * 3. Neither the name of the University nor the names of its contributors |
20 | | * may be used to endorse or promote products derived from this software |
21 | | * without specific prior written permission. |
22 | | * |
23 | | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
24 | | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
25 | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
26 | | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
27 | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
28 | | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
29 | | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
30 | | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
31 | | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
32 | | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
33 | | * SUCH DAMAGE. |
34 | | * |
35 | | * @(#)utils.h 8.3 (Berkeley) 3/20/94 |
36 | | */ |
37 | | |
38 | | #ifndef LLVM_SUPPORT_REGUTILS_H |
39 | | #define LLVM_SUPPORT_REGUTILS_H |
40 | | |
41 | | /* utility definitions */ |
42 | 0 | #define NC (CHAR_MAX - CHAR_MIN + 1) |
43 | | typedef unsigned char uch; |
44 | | |
45 | | /* switch off assertions (if not already off) if no REDEBUG */ |
46 | | #ifndef REDEBUG |
47 | | #ifndef NDEBUG |
48 | | #define NDEBUG /* no assertions please */ |
49 | | #endif |
50 | | #endif |
51 | | #include <assert.h> |
52 | | |
53 | | /* for old systems with bcopy() but no memmove() */ |
54 | | #ifdef USEBCOPY |
55 | | #define memmove(d, s, c) bcopy(s, d, c) |
56 | | #endif |
57 | | |
58 | | #endif |