add == and != operator to refptr template

util/refptr.h

@@ -17,6 +17,8 @@ class refptr
         T & operator*() const;
         T * operator->() const;
         bool isNull() const { return m_ptr == NULL; }
+        bool operator==(const refptr<T> & right) const;
+        bool operator!=(const refptr<T> & right) const;
 
     private:
         void cloneFrom(const refptr<T> & orig);
@@ -99,5 +101,15 @@ template <typename T> T * refptr<T>::operator->() const
     return m_ptr;
 }
 
+template <typename T> bool refptr<T>::operator==(const refptr<T> & right) const
+{
+    return m_ptr == right.m_ptr;
+}
+
+template <typename T> bool refptr<T>::operator!=(const refptr<T> & right) const
+{
+    return m_ptr != right.m_ptr;
+}
+
 #endif