1 /* $NetBSD: utils.h,v 1.7 2021/02/23 22:14:59 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 1992, 1993, 1994 Henry Spencer. 7 * Copyright (c) 1992, 1993, 1994 8 * The Regents of the University of California. All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Henry Spencer. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. 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: head/lib/libc/regex/utils.h 341838 2018-12-12 04:23:00Z yuripv $ 39 */ 40 41 /* utility definitions */ 42 #define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */ 43 #define INFINITY (DUPMAX + 1) 44 45 #define NC_MAX (CHAR_MAX - CHAR_MIN + 1) 46 #define NC ((MB_CUR_MAX) == 1 ? (NC_MAX) : (128)) 47 typedef unsigned char uch; 48 49 /* switch off assertions (if not already off) if no REDEBUG */ 50 #ifndef REDEBUG 51 #ifndef NDEBUG 52 #define NDEBUG /* no assertions please */ 53 #endif 54 #endif 55 #include <assert.h> 56 57 /* for old systems with bcopy() but no memmove() */ 58 #ifdef USEBCOPY 59 #define memmove(d, s, c) bcopy(s, d, c) 60 #endif 61