158f0484fSRodney W. Grimes /*- 28a16b7a1SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 38a16b7a1SPedro F. Giffuni * 458f0484fSRodney W. Grimes * Copyright (c) 1992, 1993, 1994 Henry Spencer. 558f0484fSRodney W. Grimes * Copyright (c) 1992, 1993, 1994 658f0484fSRodney W. Grimes * The Regents of the University of California. All rights reserved. 758f0484fSRodney W. Grimes * 858f0484fSRodney W. Grimes * This code is derived from software contributed to Berkeley by 958f0484fSRodney W. Grimes * Henry Spencer. 1058f0484fSRodney W. Grimes * 1158f0484fSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 1258f0484fSRodney W. Grimes * modification, are permitted provided that the following conditions 1358f0484fSRodney W. Grimes * are met: 1458f0484fSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 1558f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 1658f0484fSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 1758f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 1858f0484fSRodney W. Grimes * documentation and/or other materials provided with the distribution. 19fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 2058f0484fSRodney W. Grimes * may be used to endorse or promote products derived from this software 2158f0484fSRodney W. Grimes * without specific prior written permission. 2258f0484fSRodney W. Grimes * 2358f0484fSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2458f0484fSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2558f0484fSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2658f0484fSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2758f0484fSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2858f0484fSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2958f0484fSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3058f0484fSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3158f0484fSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3258f0484fSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3358f0484fSRodney W. Grimes * SUCH DAMAGE. 3458f0484fSRodney W. Grimes */ 3558f0484fSRodney W. Grimes 3658f0484fSRodney W. Grimes /* utility definitions */ 3758f0484fSRodney W. Grimes #define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */ 3858f0484fSRodney W. Grimes #define INFINITY (DUPMAX + 1) 39*547bc083SYuri Pankov 40*547bc083SYuri Pankov #define NC_MAX (CHAR_MAX - CHAR_MIN + 1) 41*547bc083SYuri Pankov #define NC ((MB_CUR_MAX) == 1 ? (NC_MAX) : (128)) 4258f0484fSRodney W. Grimes typedef unsigned char uch; 4358f0484fSRodney W. Grimes 4458f0484fSRodney W. Grimes /* switch off assertions (if not already off) if no REDEBUG */ 4558f0484fSRodney W. Grimes #ifndef REDEBUG 4658f0484fSRodney W. Grimes #ifndef NDEBUG 4758f0484fSRodney W. Grimes #define NDEBUG /* no assertions please */ 4858f0484fSRodney W. Grimes #endif 4958f0484fSRodney W. Grimes #endif 5058f0484fSRodney W. Grimes #include <assert.h> 5158f0484fSRodney W. Grimes 5258f0484fSRodney W. Grimes /* for old systems with bcopy() but no memmove() */ 5358f0484fSRodney W. Grimes #ifdef USEBCOPY 5458f0484fSRodney W. Grimes #define memmove(d, s, c) bcopy(s, d, c) 5558f0484fSRodney W. Grimes #endif 56