NetBSD/lib/libc/stdlib/nrand48.c

39 lines
936 B
C

/* $NetBSD: nrand48.c,v 1.10 2013/10/22 08:08:51 matt Exp $ */
/*
* Copyright (c) 1993 Martin Birgmeier
* All rights reserved.
*
* You may redistribute unmodified or modified versions of this source
* code provided that the above copyright notice and this and the
* following conditions are retained.
*
* This software is provided ``as is'', and comes with no warranties
* of any kind. I shall in no event be liable for anything that happens
* to anyone/anything when using this software.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: nrand48.c,v 1.10 2013/10/22 08:08:51 matt Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <assert.h>
#include "rand48.h"
#ifdef __weak_alias
__weak_alias(nrand48,_nrand48)
#endif
long
nrand48(unsigned short xseed[3])
{
_DIAGASSERT(xseed != NULL);
__dorand48(xseed);
return xseed[2] * 32768 + (xseed[1] >> 1);
}