66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
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/*-
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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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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* @(#)general.h 4.2 (Berkeley) 4/26/91
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*/
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/*
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* Some general definitions.
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*/
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#define numberof(x) (sizeof x/sizeof x[0])
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#define highestof(x) (numberof(x)-1)
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#if defined(unix)
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#define ClearElement(x) bzero((char *)&x, sizeof x)
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#define ClearArray(x) bzero((char *)x, sizeof x)
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#else /* defined(unix) */
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#define ClearElement(x) memset((char *)&x, 0, sizeof x)
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#define ClearArray(x) memset((char *)x, 0, sizeof x)
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#endif /* defined(unix) */
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#if defined(unix) /* Define BSD equivalent mem* functions */
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#define memcpy(dest,src,n) bcopy(src,dest,n)
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#define memmove(dest,src,n) bcopy(src,dest,n)
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#define memset(s,c,n) if (c == 0) { \
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bzero(s,n); \
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} else { \
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register char *src = s; \
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register int count = n; \
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\
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while (count--) { \
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*src++ = c; \
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} \
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}
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#define memcmp(s1,s2,n) bcmp(s1,s2,n)
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#endif /* defined(unix) */
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