Fix some leaks (bug #72179). Not part of default build. r=Pike.

content/xslt/src/xpath/txPredicateList.cpp

@@ -21,7 +21,7 @@
  * Keith Visco, kvisco@ziplink.net
  *   -- original author.
  *    
- * $Id: txPredicateList.cpp,v 1.1 2005/11/02 07:33:50 kvisco%ziplink.net Exp $
+ * $Id: txPredicateList.cpp,v 1.2 2005/11/02 07:33:51 peterv%netscape.com Exp $
  */
 
 #include "Expr.h"
@@ -30,7 +30,7 @@
  * Represents an ordered list of Predicates,
  * for use with Step and Filter Expressions
  * @author <A HREF="mailto:kvisco@ziplink.net">Keith Visco</A>
- * @version $Revision: 1.1 $ $Date: 2005/11/02 07:33:50 $
+ * @version $Revision: 1.2 $ $Date: 2005/11/02 07:33:51 $
 **/
 //-- PredicateList Implementation --/
 
@@ -100,6 +100,7 @@ void PredicateList::evaluatePredicates(NodeSet* nodes, ContextState* cs) {
                         if (! exprResult->booleanValue() ) remNodes.add(node);
                         break;
                 }
+                delete exprResult;
             }
         }
         //-- remove unmatched nodes

content/xslt/src/xpath/txRelationalExpr.cpp

@@ -21,7 +21,7 @@
  * Keith Visco, kvisco@ziplink.net
  *   -- original author.
  *
- * $Id: txRelationalExpr.cpp,v 1.4 2005/11/02 07:33:47 Peter.VanderBeken%pandora.be Exp $
+ * $Id: txRelationalExpr.cpp,v 1.5 2005/11/02 07:33:48 peterv%netscape.com Exp $
  */
 
 #include "Expr.h"
@@ -165,7 +165,10 @@ ExprResult* RelationalExpr::evaluate(Node* context, ContextState* cs) {
         delete lResult;
         return new BooleanResult();
     }
-    return new BooleanResult(compareResults(lResult, rResult));
+    BooleanResult* boolResult = new BooleanResult(compareResults(lResult, rResult));
+    delete lResult;
+    delete rResult;
+    return boolResult;
 } //-- evaluate
 
 /**

content/xslt/src/xpath/txStringFunctionCall.cpp

@@ -21,14 +21,14 @@
  * Keith Visco, kvisco@ziplink.net
  *   -- original author.
  *
- * $Id: txStringFunctionCall.cpp,v 1.7 2005/11/02 07:33:42 axel%pike.org Exp $
+ * $Id: txStringFunctionCall.cpp,v 1.8 2005/11/02 07:33:43 peterv%netscape.com Exp $
  */
 
 /**
  * StringFunctionCall
  * A representation of the XPath String funtions
  * @author <A HREF="mailto:kvisco@ziplink.net">Keith Visco</A>
- * @version $Revision: 1.7 $ $Date: 2005/11/02 07:33:42 $
+ * @version $Revision: 1.8 $ $Date: 2005/11/02 07:33:43 $
 **/
 
 #include "FunctionLib.h"
@@ -260,9 +260,10 @@ ExprResult* StringFunctionCall::evaluate(Node* context, ContextState* cs) {
                     else src.append(chars[i]);
                 }
                 delete chars;
-                return new StringResult(src);
+                result = new StringResult(src);
             }
-            result = new StringResult("");
+            else
+                result = new StringResult("");
             break;
 
         default : //-- string( object? )