[issue37769] Windows Store installer should warn user about MAX_PATH

[Eryk Sun]

Eryk Sun <eryksun at gmail.com> added the comment:

> I think this only happens with open(). 

Well, and everything else that calls a CRT function and relies on errno, such as C read() and write(). Though we'd have to look through on a case-by-case basis to ensure that _doserrno is valid in each case, i.e. that errno was set based on a Windows error code.

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<https://bugs.python.org/issue37769>
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