xref: /freebsd/lib/libc/gen/mrand48.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
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 <stdint.h>
15 
16 #include "rand48.h"
17 
18 extern unsigned short _rand48_seed[3];
19 
20 long
21 mrand48(void)
22 {
23 
24 	_dorand48(_rand48_seed);
25 	return ((int32_t)(((uint32_t)_rand48_seed[2] << 16) |
26 	    (uint32_t)_rand48_seed[1]));
27 }
28