Gets the UUID for the @volume. The reference is typically based on the file system UUID for the volume in question and should be considered an opaque string. Returns %NULL if there is no UUID available.
the UUID for @volume or %NULL if no UUID can be computed. The returned string should be freed with g_free() when no longer needed.
See Implementation
Gets the UUID for the @volume. The reference is typically based on the file system UUID for the volume in question and should be considered an opaque string. Returns %NULL if there is no UUID available.