/* $OpenBSD: srand48.c,v 1.4 2014/12/08 21:45:20 deraadt Exp $ */ /* * Copyright (c) 1993 Martin Birgmeier * All rights reserved. * * You may redistribute unmodified or modified versions of this source * code provided that the above copyright notice and this and the * following conditions are retained. * * This software is provided ``as is'', and comes with no warranties * of any kind. I shall in no event be liable for anything that happens * to anyone/anything when using this software. */ #include "rand48.h" extern unsigned short __rand48_seed[3]; extern unsigned short __rand48_mult[3]; extern unsigned short __rand48_add; int __rand48_deterministic; void srand48(long seed) { srand48_deterministic(seed); __rand48_deterministic = 0; } void srand48_deterministic(long seed) { __rand48_deterministic = 1; __rand48_seed[0] = RAND48_SEED_0; __rand48_seed[1] = (unsigned short) seed; __rand48_seed[2] = (unsigned short) (seed >> 16); __rand48_mult[0] = RAND48_MULT_0; __rand48_mult[1] = RAND48_MULT_1; __rand48_mult[2] = RAND48_MULT_2; __rand48_add = RAND48_ADD; }