160fd3450bf5cd081e019ea50616032e1447aeeb3Elliott Hughes/* $NetBSD: jrand48.c,v 1.9 2013/10/22 08:08:51 matt Exp $ */ 2774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (c) 1993 Martin Birgmeier 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * You may redistribute unmodified or modified versions of this source 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * code provided that the above copyright notice and this and the 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * following conditions are retained. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * This software is provided ``as is'', and comes with no warranties 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * of any kind. I shall in no event be liable for anything that happens 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * to anyone/anything when using this software. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 16774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#include <sys/cdefs.h> 17774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#if defined(LIBC_SCCS) && !defined(lint) 1860fd3450bf5cd081e019ea50616032e1447aeeb3Elliott Hughes__RCSID("$NetBSD: jrand48.c,v 1.9 2013/10/22 08:08:51 matt Exp $"); 19774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#endif /* LIBC_SCCS and not lint */ 20774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 21774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#include "namespace.h" 22774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 23774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#include <assert.h> 24774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "rand48.h" 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 27774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#ifdef __weak_alias 28774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes__weak_alias(jrand48,_jrand48) 29774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#endif 30774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectlong 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectjrand48(unsigned short xseed[3]) 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 34774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 35774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes _DIAGASSERT(xseed != NULL); 36774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __dorand48(xseed); 3860fd3450bf5cd081e019ea50616032e1447aeeb3Elliott Hughes return (int16_t)xseed[2] * 65536 + xseed[1]; 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 40