The lt::status_t::file_exist is returned when lt::move_flags_t::fail_if_exist is used, which means the whole move operation failed. So hanlde this condition correctly (even if the fail_if_exist isn't used in the code base currently).
PR #17853.
This patch allows user to switch disk IO type between memory mapped files based type (default in libtorrent 2, and seems causing memory issues) and POSIX-compliant type which is more conservative on memory usage.
Co-authored-by: Chocobo1 <Chocobo1@users.noreply.github.com>
Co-authored-by: Vladimir Golovnev (Glassez) <glassez@yandex.ru>
PR #16895.