<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On May 15, 2007, at 7:01 PM, Evan Cheng wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">+ <SPAN class="Apple-converted-space"> </SPAN>if (!BBI.FBB)</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">+ <SPAN class="Apple-converted-space"> </SPAN>BBI.FBB = findFalseBlock(BB, BBI.TBB); <SPAN class="Apple-converted-space"> </SPAN></FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">+ <SPAN class="Apple-converted-space"> </SPAN>AnalyzeBlock(BBI.FBB);</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">+ <SPAN class="Apple-converted-space"> </SPAN>BBInfo &FBBI = BBAnalysis[BBI.FBB->getNumber()];</FONT></P> </BLOCKQUOTE></DIV><BR><DIV>If findFalseBlock returns NULL then AnalyzeBlock may crash here.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>-</DIV><DIV>Devang</DIV></BODY></HTML>