gen/FreeBSD/srand48.c

   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 }