lib/dbf/memo.rb in dbf-1.5.2 vs lib/dbf/memo.rb in dbf-1.5.3

@@ -45,23 +45,25 @@
       case @version
       when "83" # dbase iii
         build_dbt_83_memo(start_block)
       when "8b" # dbase iv
         build_dbt_8b_memo(start_block)
+      else
+        nil
       end
     end
     
-    def build_dbt_83_memo(start_block)
+    def build_dbt_83_memo(start_block) #nodoc
       @data.seek offset(start_block)
       memo_string = ""
       begin
         block = @data.read(block_size).gsub(/(\000|\032)/, '')
         memo_string << block
       end until block.size < block_size
       memo_string
     end
     
-    def build_dbt_8b_memo(start_block)
+    def build_dbt_8b_memo(start_block) #nodoc
       @data.seek offset(start_block)
       @data.read(@data.read(BLOCK_HEADER_SIZE).unpack("x4L").first)
     end
     
     def offset(start_block) #nodoc
\ No newline at end of file