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From Alex Clemmer <>
Subject Re: Review Request 45015: Windows: Fixed bug causing `os::exists` to report invalid paths exist.
Date Thu, 07 Apr 2016 10:23:47 GMT

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(Updated April 7, 2016, 10:23 a.m.)

Review request for mesos, Alex Naparu, Daniel Pravat, Artem Harutyunyan, Joris Van Remoortere,
Michael Park, M Lawindi, and Yi Sun.

Repository: mesos


Currently on Windows, `os::exists` will return true if a component of a
path does not exist. For example if you have `a/fancy/path`, and you ask
`os::exists("a/fake/path")`, the result currently reports `true`. In
other words, the Windows code path only checks for the error that a file
does not exist, and ignores the error that says the path is not valid.

This commit will fix this, and also add a test that will verify we don't

Diffs (updated)

  3rdparty/libprocess/3rdparty/stout/include/stout/os/windows/exists.hpp 9211851e4562e04045276421b359c3c78cdae7f1

  3rdparty/libprocess/3rdparty/stout/tests/os/filesystem_tests.cpp 4c30189bb8261ccfc699da0f31b8b1fd3e9b3c83




Alex Clemmer

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