[jira] Created: (IO-209) FileSystemUtils.freeSpaceKb fails to return correct size for a windows mount point

FileSystemUtils.freeSpaceKb fails to return correct size for a windows mount 
point
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                 Key: IO-209
                 URL: https://issues.apache.org/jira/browse/IO-209
             Project: Commons IO
          Issue Type: Bug
          Components: Utilities
    Affects Versions: 1.4, 2.0, 2.x
         Environment: Windows XP, Vista, etc
            Reporter: Aditya Kishore


FileSystemUtils.freeSpaceKb fails to return correct result for a NTFS mount 
point or junction.

Suppose I have a NTFS partition mounted at C:\Data\partition1.

Now assume that the free space on Partition mounted as C: is 1GB and that 
mounted on "C:\Data\partition1" is 2GB. A call to 
FileSystemUtils.freeSpaceKb("C:\Data\partition1") will return the free space on 
C: and not on "C:\Data\partition1".

This is because while running the "dir /-c" with the given path, the code just 
retains first 2 chars i.e. for any path under "C:\blah\de\blah", "dir /-c" will 
be called with "C:" which will return incorrect result.

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