gen/FreeBSD/lrand48.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 <sys/cdefs.h>
  15 __FBSDID("$FreeBSD: src/lib/libc/gen/lrand48.c,v 1.2 2002/03/22 21:52:05 obrien Exp $");
  16
  17 #include "rand48.h"
  18
  19 extern unsigned short _rand48_seed[3];
  20
  21 long
  22 lrand48(void)
  23 {
  24         _dorand48(_rand48_seed);
  25         return ((long) _rand48_seed[2] << 15) + ((long) _rand48_seed[1] >> 1);
  26 }