FileManager: correct API misuse on Windows #3049
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`GetVolumeInformationW` is documented as taking the root directory of the volume to describe as `lpRootPathName`. We attempt to compute the location by determining the volume mount point where the specified path is mounted. However, `GetVolumePathNameW` does always return the path to the volume mount point, which is the root of the volume where the specified path. With a path substitution that is not rooted at a volume root, the volume root with a relative path. As we need to get to the root, force the stripping to the root via `PathCchStripToRoot`. This should repair the TestFoundation.TestFileManager/test_filesystemAttributes on Windows.
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@swift-ci please test |
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GetVolumeInformationWis documented as taking the root directory ofthe volume to describe as
lpRootPathName. We attempt to compute thelocation by determining the volume mount point where the specified
path is mounted. However,
GetVolumePathNameWdoes always return thepath to the volume mount point, which is the root of the volume where
the specified path. With a path substitution that is not rooted at a
volume root, the volume root with a relative path. As we need to get
to the root, force the stripping to the root via
PathCchStripToRoot.This should repair the
TestFoundation.TestFileManager/test_filesystemAttributes on Windows.