[An extra null pointer check is not needed in functions](https://stackoverflow.com/questions/18775608/free-a-null-pointer-anyway-or-check-first "Free a null pointer anyway or check first?") like the following. - [CBuffer::SetBuffer](https://github.com/DavidXanatos/TaskExplorer/blob/fa068f57912b5d962aea2ac4d3ce8f518fd7c756/TaskExplorer/Common/Buffer.cpp#L78) - [GetFileVersion](https://github.com/DavidXanatos/TaskExplorer/blob/fa068f57912b5d962aea2ac4d3ce8f518fd7c756/UpdUtil/UpdUtil.cpp#L204)
