xref: /titanic_51/usr/src/lib/libbc/libc/compat/sys5/rand.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*      Copyright (c) 1984 AT&T */
23*7c478bd9Sstevel@tonic-gate /*        All Rights Reserved   */
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate /*
26*7c478bd9Sstevel@tonic-gate  * Portions of this source code were derived from Berkeley 4.3 BSD
27*7c478bd9Sstevel@tonic-gate  * under license from the Regents of the University of California.
28*7c478bd9Sstevel@tonic-gate  */
29*7c478bd9Sstevel@tonic-gate 
30*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*7c478bd9Sstevel@tonic-gate 
32*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
33*7c478bd9Sstevel@tonic-gate 
34*7c478bd9Sstevel@tonic-gate static long randx=1;
35*7c478bd9Sstevel@tonic-gate 
36*7c478bd9Sstevel@tonic-gate void
37*7c478bd9Sstevel@tonic-gate srand(x)
38*7c478bd9Sstevel@tonic-gate unsigned x;
39*7c478bd9Sstevel@tonic-gate {
40*7c478bd9Sstevel@tonic-gate 	randx = x;
41*7c478bd9Sstevel@tonic-gate }
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate int
44*7c478bd9Sstevel@tonic-gate rand()
45*7c478bd9Sstevel@tonic-gate {
46*7c478bd9Sstevel@tonic-gate 	return(((randx = randx * 1103515245L + 12345)>>16) & 0x7fff);
47*7c478bd9Sstevel@tonic-gate }
48