xref: /netbsd/lib/libc/stdlib/lrand48.c (revision bf9ec67e)
1 /*	$NetBSD: lrand48.c,v 1.7 2000/01/22 22:19:19 mycroft Exp $	*/
2 
3 /*
4  * Copyright (c) 1993 Martin Birgmeier
5  * All rights reserved.
6  *
7  * You may redistribute unmodified or modified versions of this source
8  * code provided that the above copyright notice and this and the
9  * following conditions are retained.
10  *
11  * This software is provided ``as is'', and comes with no warranties
12  * of any kind. I shall in no event be liable for anything that happens
13  * to anyone/anything when using this software.
14  */
15 
16 #include "namespace.h"
17 #include "rand48.h"
18 
19 #ifdef __weak_alias
20 __weak_alias(lrand48,_lrand48)
21 #endif
22 
23 long
24 lrand48(void)
25 {
26 	__dorand48(__rand48_seed);
27 	return (long)((unsigned long) __rand48_seed[2] << 15) +
28 	    ((unsigned long) __rand48_seed[1] >> 1);
29 }
30