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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
14 #include <sys/cdefs.h>
15 __FBSDID("$FreeBSD$");
16
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 }