#ifndef CR_ENDIAN_H

#define CR_ENDIAN_H

#define CR_LITTLE_ENDIAN 0

#define CR_BIG_ENDIAN 1

#include <iprt/cdefs.h>

#ifdef __cplusplus

extern "C" {

#endif

extern DECLEXPORT(char) crDetermineEndianness( void );

#ifdef WINDOWS

typedef __int64 CR64BitType;

#else

#ifndef __STDC__

typedef long long CR64BitType;

#else

typedef struct _CR64BitType

{

unsigned int lo;

unsigned int hi;

} CR64BitType;

#endif

#endif

#define SWAP8(x) x

#define SWAP16(x) (short) ((((x) & 0x00FF) << 8) | (((x) & 0xFF00) >> 8))

#define SWAP32(x) ((((x) & 0x000000FF) << 24) | \

(((x) & 0x0000FF00) << 8) | \

(((x) & 0x00FF0000) >> 8) | \

(((x) & 0xFF000000) >> 24))

#ifdef WINDOWS

#define SWAP64(x) \

((((x) & 0xFF00000000000000L) >> 56) | \

(((x) & 0x00FF000000000000L) >> 40) | \

(((x) & 0x0000FF0000000000L) >> 24) | \

(((x) & 0x000000FF00000000L) >> 8) | \

(((x) & 0x00000000FF000000L) << 8) | \

(((x) & 0x0000000000FF0000L) << 24) | \

(((x) & 0x000000000000FF00L) << 40) | \

(((x) & 0x00000000000000FFL) << 56))

#else

#ifndef __STDC__

#define SWAP64(x) \

x = ((((x) & 0xFF00000000000000LL) >> 56) | \

(((x) & 0x00FF000000000000LL) >> 40) | \

(((x) & 0x0000FF0000000000LL) >> 24) | \

(((x) & 0x000000FF00000000LL) >> 8) | \

(((x) & 0x00000000FF000000LL) << 8) | \

(((x) & 0x0000000000FF0000LL) << 24) | \

(((x) & 0x000000000000FF00LL) << 40) | \

(((x) & 0x00000000000000FFLL) << 56))

#else

#define SWAP64(x) \

{ \

GLubyte *bytes = (GLubyte *) &(x); \

GLubyte tmp = bytes[0]; \

bytes[0] = bytes[7]; \

bytes[7] = tmp; \

tmp = bytes[1]; \

bytes[1] = bytes[6]; \

bytes[6] = tmp; \

tmp = bytes[2]; \

bytes[2] = bytes[5]; \

bytes[5] = tmp; \

tmp = bytes[4]; \

bytes[4] = bytes[3]; \

bytes[3] = tmp; \

}

#endif

#endif

DECLEXPORT(double) SWAPDOUBLE( double d );

#define SWAPFLOAT(x) ( ((*((int *) &(x)) & 0x000000FF) << 24) | \

((*((int *) &(x)) & 0x0000FF00) << 8) | \

((*((int *) &(x)) & 0x00FF0000) >> 8) | \

((*((int *) &(x)) & 0xFF000000) >> 24))

#ifdef __cplusplus

} /* extern "C" */

#endif

#endif /* CR_ENDIAN_H */