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 unsigned short *
17 _DEFUN (_seed48_r, (r, xseed),
18        struct _reent *r _AND
19        unsigned short xseed[3])
20 {
21   static unsigned short sseed[3];
22 
23   _REENT_CHECK_RAND48(r);
24   sseed[0] = __rand48_seed[0];
25   sseed[1] = __rand48_seed[1];
26   sseed[2] = __rand48_seed[2];
27   __rand48_seed[0] = xseed[0];
28   __rand48_seed[1] = xseed[1];
29   __rand48_seed[2] = xseed[2];
30   __rand48_mult[0] = _RAND48_MULT_0;
31   __rand48_mult[1] = _RAND48_MULT_1;
32   __rand48_mult[2] = _RAND48_MULT_2;
33   __rand48_add = _RAND48_ADD;
34   return sseed;
35 }
36 
37 #ifndef _REENT_ONLY
38 unsigned short *
39 _DEFUN (seed48, (xseed),
40        unsigned short xseed[3])
41 {
42   return _seed48_r (_REENT, xseed);
43 }
44 #endif /* !_REENT_ONLY */
45