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Last change
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libs/liblzma-5.4.1: Export to OSE, bugref:10254
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| 1 | ///////////////////////////////////////////////////////////////////////////////
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| 2 | //
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| 3 | /// \file crc_macros.h
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| 4 | /// \brief Some endian-dependent macros for CRC32 and CRC64
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| 5 | //
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| 6 | // Author: Lasse Collin
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| 7 | //
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| 8 | // This file has been put into the public domain.
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| 9 | // You can do whatever you want with this file.
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| 10 | //
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| 11 | ///////////////////////////////////////////////////////////////////////////////
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| 12 |
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| 13 | #ifdef WORDS_BIGENDIAN
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| 14 | # define A(x) ((x) >> 24)
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| 15 | # define B(x) (((x) >> 16) & 0xFF)
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| 16 | # define C(x) (((x) >> 8) & 0xFF)
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| 17 | # define D(x) ((x) & 0xFF)
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| 18 |
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| 19 | # define S8(x) ((x) << 8)
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| 20 | # define S32(x) ((x) << 32)
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| 21 |
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| 22 | #else
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| 23 | # define A(x) ((x) & 0xFF)
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| 24 | # define B(x) (((x) >> 8) & 0xFF)
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| 25 | # define C(x) (((x) >> 16) & 0xFF)
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| 26 | # define D(x) ((x) >> 24)
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| 27 |
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| 28 | # define S8(x) ((x) >> 8)
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| 29 | # define S32(x) ((x) >> 32)
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| 30 | #endif
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