Check that there is something in the parsed expression before trying to

evaluate it.

Tom


git-svn-id: http://svn.cactuscode.org/arrangements/CactusConnect/HTTPD/trunk@58 1faa4e14-9dd3-4be0-9f0e-ffe519881164

1 files changed, 8 insertions, 6 deletions

diff --git a/src/Server.c b/src/Server.c
index 6c1da0b..7364259 100644
--- a/src/Server.c
+++ b/src/Server.c
@@ -574,20 +574,22 @@ static int StatusUntilExpression(cGH *cctkGH)
     }
   }
 
-  /* Make a copy */
-  copy = Util_Strdup(parsed_expression);
-
-  if(cctkGH)
+  if(parsed_expression && strlen(parsed_expression) > 0 && cctkGH)
   {
+    /* Make a copy */
+    copy = Util_Strdup(parsed_expression);
+    
     /* Evaluate the expression */
     retval = HTTP_ExpressionEvaluate(copy, evaluator, (void *)cctkGH);
+
+    /* Free the copy */
+    free(copy);
   }
   else
   {
     retval = 0;
   }
-  /* Free the copy */
-  free(copy);
+
 
   return retval;
 }