| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame^] | 1 | /* $OpenBSD: seed48.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 1993 Martin Birgmeier |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * You may redistribute unmodified or modified versions of this source |
| 7 | * code provided that the above copyright notice and this and the |
| 8 | * following conditions are retained. |
| 9 | * |
| 10 | * This software is provided ``as is'', and comes with no warranties |
| 11 | * of any kind. I shall in no event be liable for anything that happens |
| 12 | * to anyone/anything when using this software. |
| 13 | */ |
| 14 | |
| 15 | #include "rand48.h" |
| 16 | |
| 17 | extern unsigned short __rand48_seed[3]; |
| 18 | extern unsigned short __rand48_mult[3]; |
| 19 | extern unsigned short __rand48_add; |
| 20 | |
| 21 | unsigned short * |
| 22 | seed48(unsigned short xseed[3]) |
| 23 | { |
| 24 | static unsigned short sseed[3]; |
| 25 | |
| 26 | sseed[0] = __rand48_seed[0]; |
| 27 | sseed[1] = __rand48_seed[1]; |
| 28 | sseed[2] = __rand48_seed[2]; |
| 29 | __rand48_seed[0] = xseed[0]; |
| 30 | __rand48_seed[1] = xseed[1]; |
| 31 | __rand48_seed[2] = xseed[2]; |
| 32 | __rand48_mult[0] = RAND48_MULT_0; |
| 33 | __rand48_mult[1] = RAND48_MULT_1; |
| 34 | __rand48_mult[2] = RAND48_MULT_2; |
| 35 | __rand48_add = RAND48_ADD; |
| 36 | return sseed; |
| 37 | } |