| 1 | /*-
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| 2 | * Copyright (c) 1992, 1993, 1994 Henry Spencer.
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| 3 | * Copyright (c) 1992, 1993, 1994
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| 4 | * The Regents of the University of California. All rights reserved.
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| 5 | *
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| 6 | * This code is derived from software contributed to Berkeley by
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| 7 | * Henry Spencer.
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| 8 | *
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| 9 | * Redistribution and use in source and binary forms, with or without
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| 10 | * modification, are permitted provided that the following conditions
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| 11 | * are met:
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| 12 | * 1. Redistributions of source code must retain the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer.
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in the
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| 16 | * documentation and/or other materials provided with the distribution.
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| 17 | * 3. All advertising materials mentioning features or use of this software
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| 18 | * must display the following acknowledgement:
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| 19 | * This product includes software developed by the University of
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| 20 | * California, Berkeley and its contributors.
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| 21 | * 4. Neither the name of the University nor the names of its contributors
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| 22 | * may be used to endorse or promote products derived from this software
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| 23 | * without specific prior written permission.
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| 24 | *
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| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 35 | * SUCH DAMAGE.
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| 36 | *
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| 37 | * @(#)utils.h 8.3 (Berkeley) 3/20/94
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| 38 | */
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| 39 |
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| 40 | /* utility definitions */
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| 41 | #ifdef _POSIX2_RE_DUP_MAX
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| 42 | #define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */
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| 43 | #else
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| 44 | #define DUPMAX 255
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| 45 | #endif
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| 46 | #define INFINITY (DUPMAX + 1)
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| 47 | #define NC (CHAR_MAX - CHAR_MIN + 1)
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| 48 | typedef unsigned char uch;
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| 49 |
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| 50 | /* switch off assertions (if not already off) if no REDEBUG */
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| 51 | #ifndef REDEBUG
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| 52 | #ifndef NDEBUG
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| 53 | #define NDEBUG /* no assertions please */
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| 54 | #endif
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| 55 | #endif
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| 56 | #include <assert.h>
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| 57 |
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| 58 | /* for old systems with bcopy() but no memmove() */
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| 59 | #ifdef USEBCOPY
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| 60 | #define memmove(d, s, c) bcopy(s, d, c)
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| 61 | #endif
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