[issue24917] time_strftime() Buffer Over-read

[Alexander Belopolsky]

Alexander Belopolsky added the comment:

Hmm, on Mac OSX "%" and "A%" are valid format strings:

>>> time.strftime("%")
'%'
>>> time.strftime("A%")
'A%'

Mark's experiments show that on Windows they are not. What about the other platforms affected by the patch?  I am concerned about the bottom part of the patch.

A nitpick: an existing error message is "Invalid format string".  I would either reuse it or make it "Incomplete format string".

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<http://bugs.python.org/issue24917>
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