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41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/*****************************************************************************
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*
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* $Id$
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*
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****************************************************************************/
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#include <sys/types.h>
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/*****************************************************************************/
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#define swap16(x) \
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((uint16_t)( \
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(((uint16_t)(x) & 0x00ffU) << 8) | \
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(((uint16_t)(x) & 0xff00U) >> 8) ))
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#define swap32(x) \
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((uint32_t)( \
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(((uint32_t)(x) & 0x000000ffUL) << 24) | \
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(((uint32_t)(x) & 0x0000ff00UL) << 8) | \
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(((uint32_t)(x) & 0x00ff0000UL) >> 8) | \
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(((uint32_t)(x) & 0xff000000UL) >> 24) ))
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define le16tocpu(x) x
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#define le32tocpu(x) x
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#define cputole16(x) x
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#define cputole32(x) x
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#elif __BYTE_ORDER == __BIG_ENDIAN
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#define le16tocpu(x) swap16(x)
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#define le32tocpu(x) swap32(x)
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#define cputole16(x) swap16(x)
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#define cputole32(x) swap32(x)
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#endif
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/****************************************************************************/
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