stasoid 259cd70c1b LibCore: Simplify System::open ...

_O_OBTAIN_DIR flag makes _open use FILE_FLAG_BACKUP_SEMANTICS in
CreateFile call.

FILE_FLAG_BACKUP_SEMANTICS is required to open directory handles.

For ordinary files FILE_FLAG_BACKUP_SEMANTICS overrides file security
checks when the process has SE_BACKUP_NAME and SE_RESTORE_NAME
privileges, see https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilea

2025-02-05 19:27:47 -07:00

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