위피에서 lrotl, lrotr 구현

unsigned long _lrotl(unsigned long lValue, int shift)
{
    unsigned long lRest  = 0;
    unsigned long lLrotl = 0;

 

    lLrotl = lValue << shift;
    lRest  = lValue >> (32 - shift);
    lLrotl = lLrotl | lRest;

 

    return lLrotl;
}

unsigned long _lrotr(unsigned long lValue, int shift)
{
    unsigned long lRest  = 0;
    unsigned long lLrotr = 0;

 

    lLrotr = lValue >> shift;
    lRest  = lValue << (32 - shift);
    lLrotr = lLrotr | lRest;

 

    return lLrotr;
}