sysapi/include/endianConv.h

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#ifndef ENDIANCONV_H
#define ENDIANCONV_H

#ifdef __cplusplus
extern "C" {
#endif


//
// Comment out following line for big endian CPUs.
//
#define LITTLE_ENDIAN_CPU

#ifdef LITTLE_ENDIAN_CPU

UINT64 ChangeEndianQword( UINT64 p );
UINT32 ChangeEndianDword( UINT32 p );
UINT16 ChangeEndianWord( UINT16 p );

// CPU is little endian, so bytes need to be swapped.
#define CHANGE_ENDIAN_WORD(p) ( ChangeEndianWord (p) )

#define CHANGE_ENDIAN_DWORD(p) ( ChangeEndianDword(p) )

#define CHANGE_ENDIAN_QWORD(p) ( ChangeEndianQword(p) )
#else
 // If CPU is big-endian, no need to do endianness swapping.

#define CHANGE_ENDIAN_WORD(p)  p

#define CHANGE_ENDIAN_DWORD(p) p

#define CHANGE_ENDIAN_QWORD(p) p
#endif

#ifdef __cplusplus
}
#endif

#endif