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38 lines
686 B
C
38 lines
686 B
C
/*
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* platform_endian.h
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*
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* Copyright 2013-2021 Michael Zillgith
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*
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* This file is part of Platform Abstraction Layer (libpal)
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* for libiec61850, libmms, and lib60870.
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*/
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#ifndef ENDIAN_H_
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#define ENDIAN_H_
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#ifndef PLATFORM_IS_BIGENDIAN
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#ifdef __GNUC__
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#ifdef __BYTE_ORDER__
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#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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#define PLATFORM_IS_BIGENDIAN 1
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#endif
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#else
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/* older versions of GCC have __BYTE_ORDER__ not defined! */
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#ifdef __PPC__
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#define PLATFORM_IS_BIGENDIAN 1
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#endif
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#endif /* __BYTE_ORDER__ */
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#endif /* __GNUC__ */
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#endif
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#if (PLATFORM_IS_BIGENDIAN == 1)
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# define ORDER_LITTLE_ENDIAN 0
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#else
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# define ORDER_LITTLE_ENDIAN 1
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#endif
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#endif /* ENDIAN_H_ */
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