The following code results in a segfault due to the fact that length of array inside the array of array of strings is evaluated to '-1'.


   ...
            string[][] search_result = this.search.Query (
                                                   0,
                                                   this.category,
                                                   this.get_metadata_keys (),
                                                   "",
                                                   new string[0],
                                                   "",
                                                   false,
                                                   new string[0],
                                                   false,
                                                   (int) offset,
                                                   (int) max_count);

            ArrayList<MediaObject> children = new ArrayList<MediaObject> ();

            /* Iterate through all items */
            for (uint i = 0; i < search_result.length; i++) {
                string child_path = search_result[i][0];
                string[] metadata = this.slice_strv_tail (search_result[i], 2);
                
                MediaObject item = this.fetch_item_by_path (child_path,
                                                            metadata);
                children.add (item);
            }   

    ...

    private string[] slice_strv_tail (string[] strv, int index) {
        string[] slice = new string[strv.length - index];
        
        for (int i = 0; i < slice.length; i++) {
            slice[i] = strv[i + index];
        }   
        
        return slice;
    }