xref: /dflybsd-src/lib/libc/gen/srand48.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino /*
286d7f5d3SJohn Marino  * Copyright (c) 1993 Martin Birgmeier
386d7f5d3SJohn Marino  * All rights reserved.
486d7f5d3SJohn Marino  *
586d7f5d3SJohn Marino  * You may redistribute unmodified or modified versions of this source
686d7f5d3SJohn Marino  * code provided that the above copyright notice and this and the
786d7f5d3SJohn Marino  * following conditions are retained.
886d7f5d3SJohn Marino  *
986d7f5d3SJohn Marino  * This software is provided ``as is'', and comes with no warranties
1086d7f5d3SJohn Marino  * of any kind. I shall in no event be liable for anything that happens
1186d7f5d3SJohn Marino  * to anyone/anything when using this software.
1286d7f5d3SJohn Marino  */
1386d7f5d3SJohn Marino 
1486d7f5d3SJohn Marino #include "rand48.h"
1586d7f5d3SJohn Marino 
1686d7f5d3SJohn Marino extern unsigned short _rand48_seed[3];
1786d7f5d3SJohn Marino extern unsigned short _rand48_mult[3];
1886d7f5d3SJohn Marino extern unsigned short _rand48_add;
1986d7f5d3SJohn Marino 
2086d7f5d3SJohn Marino void
srand48(long seed)2186d7f5d3SJohn Marino srand48(long seed)
2286d7f5d3SJohn Marino {
2386d7f5d3SJohn Marino 	_rand48_seed[0] = RAND48_SEED_0;
2486d7f5d3SJohn Marino 	_rand48_seed[1] = (unsigned short) seed;
2586d7f5d3SJohn Marino 	_rand48_seed[2] = (unsigned short) (seed >> 16);
2686d7f5d3SJohn Marino 	_rand48_mult[0] = RAND48_MULT_0;
2786d7f5d3SJohn Marino 	_rand48_mult[1] = RAND48_MULT_1;
2886d7f5d3SJohn Marino 	_rand48_mult[2] = RAND48_MULT_2;
2986d7f5d3SJohn Marino 	_rand48_add = RAND48_ADD;
3086d7f5d3SJohn Marino }
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