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64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/*-
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* Copyright (c) 1992, 1993, 1994 Henry Spencer.
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Henry Spencer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)utils.h 8.3 (Berkeley) 3/20/94
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*/
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#include "config.h" /* HAVE_MEMMOVE */
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/* utility definitions */
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#define DUPMAX 100000000 /* xxx is this right? */
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#define INFINITY (DUPMAX + 1)
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#ifdef MULTIBYTE
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#define NC (SHRT_MAX - SHRT_MIN + 1)
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#else
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#define NC (CHAR_MAX - CHAR_MIN + 1)
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#endif
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typedef unsigned char uch;
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/* switch off assertions (if not already off) if no REDEBUG */
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#ifndef REDEBUG
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#ifndef NDEBUG
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#define NDEBUG /* no assertions please */
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#endif
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#endif
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/* for old systems with bcopy() but no memmove() */
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#if !defined(HAVE_MEMMOVE)
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#define memmove(d, s, c) bcopy(s, d, c)
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#endif
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