_PositionToSize
if (_PositionToSize() + sizeof(uint64) > fSize) {
if (_PositionToSize() >= fSize) {
if (_PositionToSize() >= fSize) {
if (_PositionToSize() + s <= fSize)
s = fSize - _PositionToSize();
if (_PositionToSize() + size <= fSize)
if (_PositionToSize() >= fSize) {
if (_PositionToSize() >= fSize) {
if (_PositionToSize() + sizeof(int64) > fSize) {
inline uint32 _PositionToSize() const;