@@ -161,10 +161,23 @@
 		return string;
 
 	asprintf(&string, "The encoding is invalid for object of classs %s!",
 	    [object name]);
 
+	return string;
+}
+@end
+
+@implementation OFInvalidFormatException
+- (const char*)cString
+{
+	if (string != NULL)
+		return string;
+
+	asprintf(&string, "The format is invalid for object of classs %s!",
+	    [object name]);
+
 	return string;
 }
 @end
 
 @implementation OFInitializationFailedException