1726c417de
to main.c to avoid a name collision with lib/libc/gen/disklabel.c when we build nbdisklabel. Still todo: commit host-tool build infrastructure to src/tools/disklabel/.
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* $NetBSD: dkcksum.c,v 1.11 2005/06/12 19:18:34 dyoung Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1991, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)dkcksum.c 8.1 (Berkeley) 6/5/93";
|
|
#else
|
|
__RCSID("$NetBSD: dkcksum.c,v 1.11 2005/06/12 19:18:34 dyoung Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include <nbinclude/sys/disklabel.h>
|
|
#else
|
|
#include <sys/disklabel.h>
|
|
#endif /* HAVE_NBTOOL_CONFIG_H */
|
|
#include "dkcksum.h"
|
|
|
|
u_short
|
|
dkcksum(struct disklabel *lp)
|
|
{
|
|
u_short *start, *end;
|
|
u_short sum;
|
|
|
|
sum = 0;
|
|
start = (u_short *)lp;
|
|
end = (u_short *)&lp->d_partitions[lp->d_npartitions];
|
|
while (start < end)
|
|
sum ^= *start++;
|
|
return (sum);
|
|
}
|