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 #if defined(LIBC_SCCS) && !defined(lint) 15 static char rcsid[] = "$OpenBSD: seed48.c,v 1.2 1996/08/19 08:33:48 tholo Exp $"; 16 #endif /* LIBC_SCCS and not lint */ 17 18 #include "rand48.h" 19 20 extern unsigned short __rand48_seed[3]; 21 extern unsigned short __rand48_mult[3]; 22 extern unsigned short __rand48_add; 23 24 unsigned short * 25 seed48(unsigned short xseed[3]) 26 { 27 static unsigned short sseed[3]; 28 29 sseed[0] = __rand48_seed[0]; 30 sseed[1] = __rand48_seed[1]; 31 sseed[2] = __rand48_seed[2]; 32 __rand48_seed[0] = xseed[0]; 33 __rand48_seed[1] = xseed[1]; 34 __rand48_seed[2] = xseed[2]; 35 __rand48_mult[0] = RAND48_MULT_0; 36 __rand48_mult[1] = RAND48_MULT_1; 37 __rand48_mult[2] = RAND48_MULT_2; 38 __rand48_add = RAND48_ADD; 39 return sseed; 40 } 41