GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libc/string/swab.c Lines: 0 8 0.0 %
Date: 2017-11-13 Branches: 0 2 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: swab.c,v 1.9 2014/12/11 23:05:38 tedu Exp $ */
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/*
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 * Copyright (c) 2014 Ted Unangst <tedu@openbsd.org>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <unistd.h>
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void
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swab(const void *__restrict from, void *__restrict to, ssize_t len)
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{
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	const unsigned char *src = from;
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	unsigned char *dst = to;
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	unsigned char t0, t1;
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	while (len > 1) {
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		t0 = src[0];
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		t1 = src[1];
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		dst[0] = t1;
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		dst[1] = t0;
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		src += 2;
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		dst += 2;
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		len -= 2;
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	}
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}