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/* * $OpenBSD: general.h,v 1.7 2003/06/03 02:56:19 millert Exp $*/
/*-
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)general.h 4.2 (Berkeley) 4/26/91
*/
/*
* Some general definitions.
*/
#define numberof(x) (sizeof x/sizeof x[0])
#define highestof(x) (numberof(x)-1)
#if defined(unix)
#define ClearElement(x) bzero((char *)&x, sizeof x)
#define ClearArray(x) bzero((char *)x, sizeof x)
#else /* defined(unix) */
#define ClearElement(x) memset((char *)&x, 0, sizeof x)
#define ClearArray(x) memset((char *)x, 0, sizeof x)
#endif /* defined(unix) */
/* Define BSD equivalent mem* functions */
#if defined(unix) && !(defined(__NetBSD__) || defined(__OpenBSD__))
#define memcpy(dest,src,n) bcopy(src,dest,n)
#define memmove(dest,src,n) bcopy(src,dest,n)
#define memset(s,c,n) if (c == 0) { \
bzero(s,n); \
} else { \
register char *src = s; \
register int count = n; \
\
while (count--) { \
*src++ = c; \
} \
}
#define memcmp(s1,s2,n) bcmp(s1,s2,n)
#else /* !(defined(unix) && !(defined(__NetBSD__) || defined(__OpenBSD__))) */
#include <string.h>
#endif /* !(defined(unix) && !(defined(__NetBSD__) || defined(__OpenBSD__))) */
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