字节序调整

字节序调整

inline WORD ChangeEndian(WORD value)
{
    return  ((value&0x00ff)<<8)|
            ((value&0xff00)>>8);
}

inline DWORD ChangeEndian(DWORD value)
{
    return  ((value&0x000000ff)<<24) |
            ((value&0x0000ff00)<<8)  |
            ((value&0x00ff0000)>>8)  |
            ((value&0xff000000)>>24);
}

inline fpos_t ChangeEndian(fpos_t value)
{
    fpos_t temp = value;
    char *pSource = (char *)&value;
    char *pTarget = (char *)&temp;
    pTarget[7] = pSource[0];
    pTarget[6] = pSource[1];
    pTarget[5] = pSource[2];
    pTarget[4] = pSource[3];
    pTarget[3] = pSource[4];
    pTarget[2] = pSource[5];
    pTarget[1] = pSource[6];
    pTarget[0] = pSource[7];
    return temp;
}

#define CHANGE_ENDIAN(value)    value = ::ChangeEndian(value)