| 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 |
|---|
