projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b2abdfb A |
1 | /* |
| 2 | * Copyright (c) 1993 Martin Birgmeier | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * You may redistribute unmodified or modified versions of this source | |
| 6 | * code provided that the above copyright notice and this and the | |
| 7 | * following conditions are retained. | |
| 8 | * | |
| 9 | * This software is provided ``as is'', and comes with no warranties | |
| 10 | * of any kind. I shall in no event be liable for anything that happens | |
| 11 | * to anyone/anything when using this software. | |
| 12 | */ | |
| 13 | ||
| 9385eb3d A |
14 | #include <sys/cdefs.h> |
| 15 | __FBSDID("$FreeBSD: src/lib/libc/gen/seed48.c,v 1.2 2002/03/22 21:52:05 obrien Exp $"); | |
| 16 | ||
| 5b2abdfb A |
17 | #include "rand48.h" |
| 18 | ||
| 19 | extern unsigned short _rand48_seed[3]; | |
| 20 | extern unsigned short _rand48_mult[3]; | |
| 21 | extern unsigned short _rand48_add; | |
| 22 | ||
| 23 | unsigned short * | |
| 24 | seed48(unsigned short xseed[3]) | |
| 25 | { | |
| 26 | static unsigned short sseed[3]; | |
| 27 | ||
| 28 | sseed[0] = _rand48_seed[0]; | |
| 29 | sseed[1] = _rand48_seed[1]; | |
| 30 | sseed[2] = _rand48_seed[2]; | |
| 31 | _rand48_seed[0] = xseed[0]; | |
| 32 | _rand48_seed[1] = xseed[1]; | |
| 33 | _rand48_seed[2] = xseed[2]; | |
| 34 | _rand48_mult[0] = RAND48_MULT_0; | |
| 35 | _rand48_mult[1] = RAND48_MULT_1; | |
| 36 | _rand48_mult[2] = RAND48_MULT_2; | |
| 37 | _rand48_add = RAND48_ADD; | |
| 38 | return sseed; | |
| 39 | } |