[issue2810] _winreg.EnumValue fails when the registry data includes multibyte unicode characters

[Daniel Stutzbach]

Daniel Stutzbach <daniel at stutzbachenterprises.com> added the comment:

Attached is a file that reliably produces the "More data is available" error from _winreg.EnumValue in Python 2.6.

The script triggers the error via a race condition, by modifying the value after PyEnumValue() calls RegQueryInfoKey() but before it calls RegEnumValue().  I don't know if that's what caused the original problem for my end-user, but it certainly is one way to trigger the problem.

I can work on a patch next week for a proper test case and to fix PyEnumValue().

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Added file: http://bugs.python.org/file16728/more_data_is_available.py

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