minizip/lib/liblzma/check/crc_macros.h at dev · hshq/minizip

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/////////////////////////////////////////////////////////// 49E0 ////////////////////

/// \file crc_macros.h

/// \brief Some endian-dependent macros for CRC32 and CRC64

// Author: Lasse Collin

// This file has been put into the public domain.

// You can do whatever you want with this file.

///////////////////////////////////////////////////////////////////////////////

#ifdef WORDS_BIGENDIAN

# define A(x) ((x) >> 24)

# define B(x) (((x) >> 16) & 0xFF)

# define C(x) (((x) >> 8) & 0xFF)

# define D(x) ((x) & 0xFF)

# define S8(x) ((x) << 8)

# define S32(x) ((x) << 32)

#else

# define A(x) ((x) & 0xFF)

# define B(x) (((x) >> 8) & 0xFF)

# define C(x) (((x) >> 16) & 0xFF)

# define D(x) ((x) >> 24)

# define S8(x) ((x) >> 8)

# define S32(x) ((x) >> 32)

#endif