160fd3450bf5cd081e019ea50616032e1447aeeb3Elliott Hughes/* $NetBSD: lrand48.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: lrand48.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" 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "rand48.h" 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 24774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#ifdef __weak_alias 25774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes__weak_alias(lrand48,_lrand48) 26774c7f54ff375d71106283d42779b0cc5f238f87Elliott Hughes#endif 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectlong 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectlrand48(void) 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __dorand48(__rand48_seed); 3260fd3450bf5cd081e019ea50616032e1447aeeb3Elliott Hughes return __rand48_seed[2] * 32768 + (__rand48_seed[1] >> 1); 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 34