--- a/src/common/buffer.h	Wed Jul 09 20:12:05 2008 -0700
+++ b/src/common/buffer.h	Thu Jul 10 15:58:24 2008 -0700
@@ -358,6 +358,11 @@
        */
       uint16_t CalculateIpChecksum(uint16_t size, uint32_t initialChecksum);
 
+      /**
+       * \returns the size of the underlying buffer we are iterating
+       */
+      uint32_t GetSize (void) const;
+
   private:
       friend class Buffer;
       Iterator (Buffer const*buffer);