rem: memset(aData->bytes + aData->length, 0, length - aData->length);
add: unsigned char	*dataBytes = (unsigned char *)aData->bytes;  memset(dataBytes + aData->length, 0, length - aData->length);
context: WMSetDataLength(WMData *aData, unsigned length) /*FOLD00*/{    if (length > aData->capacity) {        WMSetDataCapacity(aData, length);    }    if (length > aData->length) {        memset(aData->bytes + aData->length, 0, length - aData->length);    }    aData->length = length;}