[vbox-dev] Setting IMachine::snapshotFolder to "." no longer works in VBox 4

Klaus Espenlaub klaus.espenlaub at oracle.com
Tue Apr 19 10:04:55 PDT 2011

On 23.02.2011 01:45, Benjamin Gilbert wrote:
> Hello,
> In VBox 3.2 and earlier, IMachine::snapshotFolder could be set to "." to
> store snapshots directly in the machine folder. If this is done under
> current VBox, the Machine tag in the machine XML is written out without
> any snapshotFolder attribute, causing the snapshotFolder to revert to
> the default ("Snapshots") the next time the machine is loaded.
> The cause appears to be the fact that the SnapshotFolder COMSETTER now
> uses copyPathRelativeToMachine() to calculate the relative path to be
> stored in the MachineUserData from the absolute path to the snapshot
> folder. If the path passed to copyPathRelativeToMachine() is equal to
> the machine folder, copyPathRelativeToMachine() incorrectly returns a
> zero-length string rather than ".". This causes the settings writer not
> to write the attribute.

Before I forget... this has been fixed, and will of course be included 
in VirtualBox 4.0.6.


> --Benjamin Gilbert

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