GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/stdlib/_rand48.c Lines: 0 12 0.0 %
Date: 2017-11-13 Branches: 0 0 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: _rand48.c,v 1.3 2005/08/08 08:05:36 espie Exp $ */
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/*
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 * Copyright (c) 1993 Martin Birgmeier
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 * All rights reserved.
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 *
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 * You may redistribute unmodified or modified versions of this source
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 * code provided that the above copyright notice and this and the
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 * following conditions are retained.
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 *
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 * This software is provided ``as is'', and comes with no warranties
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 * of any kind. I shall in no event be liable for anything that happens
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 * to anyone/anything when using this software.
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 */
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#include "rand48.h"
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unsigned short __rand48_seed[3] = {
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	RAND48_SEED_0,
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	RAND48_SEED_1,
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	RAND48_SEED_2
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};
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unsigned short __rand48_mult[3] = {
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	RAND48_MULT_0,
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	RAND48_MULT_1,
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	RAND48_MULT_2
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};
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unsigned short __rand48_add = RAND48_ADD;
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void
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__dorand48(unsigned short xseed[3])
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{
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	unsigned long accu;
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	unsigned short temp[2];
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	accu = (unsigned long) __rand48_mult[0] * (unsigned long) xseed[0] +
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	 (unsigned long) __rand48_add;
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	temp[0] = (unsigned short) accu;	/* lower 16 bits */
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	accu >>= sizeof(unsigned short) * 8;
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	accu += (unsigned long) __rand48_mult[0] * (unsigned long) xseed[1] +
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	 (unsigned long) __rand48_mult[1] * (unsigned long) xseed[0];
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	temp[1] = (unsigned short) accu;	/* middle 16 bits */
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	accu >>= sizeof(unsigned short) * 8;
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	accu += __rand48_mult[0] * xseed[2] + __rand48_mult[1] * xseed[1] + __rand48_mult[2] * xseed[0];
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	xseed[0] = temp[0];
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	xseed[1] = temp[1];
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	xseed[2] = (unsigned short) accu;
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}