File: [Development] / xfs-cmds / xfsdump / include / swap.h (download)
Revision 1.1, Wed May 24 06:08:55 2006 UTC (11 years, 4 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Update xfsdump build to use xfs.h instead of libxfs.h, fixing a recent namespace collision on list symbols.
Merge of master-melb:xfs-cmds:26007a by kenmcd.
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/*
* Copyright (c) 2006 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SWAP_H
#define SWAP_H
#include <xfs/xfs.h>
#if __BYTE_ORDER == __BIG_ENDIAN
#define XFS_NATIVE_HOST 1
#else
#undef XFS_NATIVE_HOST
#endif
#define ARCH_NOCONVERT 1
#ifdef XFS_NATIVE_HOST
#define ARCH_CONVERT ARCH_NOCONVERT
#else
#define ARCH_CONVERT 0
#endif
#ifndef HAVE_SWABMACROS
#define INT_SWAP16(type,var) ((typeof(type))(__swab16((__u16)(var))))
#define INT_SWAP32(type,var) ((typeof(type))(__swab32((__u32)(var))))
#define INT_SWAP64(type,var) ((typeof(type))(__swab64((__u64)(var))))
#endif
#define INT_SWAP(type, var) \
((sizeof(type) == 8) ? INT_SWAP64(type,var) : \
((sizeof(type) == 4) ? INT_SWAP32(type,var) : \
((sizeof(type) == 2) ? INT_SWAP16(type,var) : \
(var))))
#define INT_GET(ref,arch) \
(((arch) == ARCH_NOCONVERT) ? (ref) : INT_SWAP((ref),(ref)))
#define INT_SET(ref,arch,valueref) \
(__builtin_constant_p(valueref) ? \
(void)( (ref) = ( ((arch) != ARCH_NOCONVERT) ? \
(INT_SWAP((ref),(valueref))) : (valueref)) ) : \
(void)( ((ref) = (valueref)), \
( ((arch) != ARCH_NOCONVERT) ? \
(ref) = INT_SWAP((ref),(ref)) : 0 ) ))
#define INT_XLATE(buf,p,dir,arch) \
((dir > 0) ? ((p) = INT_GET((buf),(arch))) : INT_SET((buf),(arch),(p)))
#endif /* SWAP_H */