[issue17899] os.listdir() leaks FDs if invoked on FD pointing to a non-directory

[Larry Hastings]

Larry Hastings added the comment:

Patch attached.  I don't know how to make fdopendir fail, so I had to do it by inspection.

While I was in there, I ifdef'd out the variable that should only be used if fdopendir is available.

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keywords: +patch
stage: needs patch -> patch review
Added file: http://bugs.python.org/file30120/larry.listdir.fd.leakage.bug.1.patch

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