xref: /freebsd/lib/libc/gen/srand48.c (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
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 "rand48.h"
15 
16 extern unsigned short _rand48_seed[3];
17 extern unsigned short _rand48_mult[3];
18 extern unsigned short _rand48_add;
19 
20 void
21 srand48(long seed)
22 {
23 	_rand48_seed[0] = RAND48_SEED_0;
24 	_rand48_seed[1] = (unsigned short) seed;
25 	_rand48_seed[2] = (unsigned short) (seed >> 16);
26 	_rand48_mult[0] = RAND48_MULT_0;
27 	_rand48_mult[1] = RAND48_MULT_1;
28 	_rand48_mult[2] = RAND48_MULT_2;
29 	_rand48_add = RAND48_ADD;
30 }
31