top_aligns-&gt;begin();
<a name="l00447"></a>00447     <span class="keywordflow">for</span>( ; aligns_iter != top_aligns-&gt;end(); ++aligns_iter)
<a name="l00448"></a>00448       <span class="keywordflow">if</span>(aligns_iter-&gt;second-&gt;frag_file){
<a name="l00449"></a>00449         <span class="keyword">delete</span>(aligns_iter-&gt;second-&gt;frag_file);
<a name="l00450"></a>00450         aligns_iter-&gt;second-&gt;frag_file = 0; 
<a name="l00451"></a>00451       }
<a name="l00452"></a>00452     top