Axel Dörfler
eb03840af1
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4615 a95241bf-73f2-0310-859d-f6bbb57e9c96
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
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** Distributed under the terms of the OpenBeOS License.
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*/
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#ifndef BFS_ENDIAN_H
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#define BFS_ENDIAN_H
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#include <ByteOrder.h>
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#if !defined(BFS_LITTLE_ENDIAN_ONLY) && !defined(BFS_BIG_ENDIAN_ONLY)
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// default setting; BFS is now primarily a little endian file system
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# define BFS_LITTLE_ENDIAN_ONLY
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#endif
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#ifdef BFS_LITTLE_ENDIAN_ONLY
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# if B_HOST_IS_LENDIAN
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# define BFS_ENDIAN_TO_HOST_INT16(value) value
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# define BFS_ENDIAN_TO_HOST_INT32(value) value
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# define BFS_ENDIAN_TO_HOST_INT64(value) value
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# else
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# define BFS_ENDIAN_TO_HOST_INT16(value) __swap_int16(value)
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# define BFS_ENDIAN_TO_HOST_INT16(value) __swap_int32(value)
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# define BFS_ENDIAN_TO_HOST_INT16(value) __swap_int64(value)
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# endif
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#elif BFS_BIG_ENDIAN_ONLY
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# if B_HOST_IS_BENDIAN
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# define BFS_ENDIAN_TO_HOST_INT16(value) value
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# define BFS_ENDIAN_TO_HOST_INT32(value) value
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# define BFS_ENDIAN_TO_HOST_INT64(value) value
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# else
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# define BFS_ENDIAN_TO_HOST_INT16(value) __swap_int16(value)
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# define BFS_ENDIAN_TO_HOST_INT16(value) __swap_int32(value)
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# define BFS_ENDIAN_TO_HOST_INT16(value) __swap_int64(value)
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# endif
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#else
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// ToDo: maybe build a version that supports both, big & little endian?
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// But since that will need some kind of global data (to
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// know of what type this file system is), it's probably
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// something for the boot loader; anything else would be
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// a major pain.
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#endif
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#endif /* BFS_ENDIAN_H */
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