[issue40214] test_ctypes.test_load_dll_with_flags Windows failure
Eryk Sun
report at bugs.python.org
Mon Apr 13 08:02:10 EDT 2020
Eryk Sun <eryksun at gmail.com> added the comment:
> But I'm not sure why that is getting loaded earlier than the
> current directory. Is that the behaviour we went for here?
I don't understand what's going on here if %PATH% is interfering. The current directory (%__CD__%) should be checked before %PATH% with the standard DLL search order for desktop applcations. That's what I've observed in practice and how it's documented [1]:
SafeDllSearchMode enabled:
1. %__APPDIR__%
2. %SystemRoot%\System32
3. %SystemRoot%\System
4. %SystemRoot%
5. %__CD__%
6. %PATH%
SafeDllSearchMode disabled:
1. %__APPDIR__%
2. %__CD__%
3. %SystemRoot%\System32
4. %SystemRoot%\System
5. %SystemRoot%
6. %PATH%
[1]: https://docs.microsoft.com/en-us/windows/win32/dlls/dynamic-link-library-search-order#search-order-for-desktop-applications
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