--- libgig/trunk/src/Serialization.cpp	2017/05/17 15:55:18	3186
+++ libgig/trunk/src/Serialization.cpp	2017/05/21 12:46:05	3198
@@ -2286,6 +2286,20 @@
     // *************** Exception ***************
     // *
 
+    Exception::Exception() {
+    }
+
+    Exception::Exception(String format, ...) {
+        va_list arg;
+        va_start(arg, format);
+        Message = assemble(format, arg);
+        va_end(arg);
+    }
+
+    Exception::Exception(String format, va_list arg) {
+        Message = assemble(format, arg);
+    }
+
     /** @brief Print exception message to stdout.
      *
      * Prints the message of this Exception to the currently defined standard
@@ -2295,4 +2309,12 @@
         std::cout << "Serialization::Exception: " << Message << std::endl;
     }
 
+    String Exception::assemble(String format, va_list arg) {
+        char* buf = NULL;
+        vasprintf(&buf, format.c_str(), arg);
+        String s = buf;
+        free(buf);
+        return s;
+    }
+
 } // namespace Serialization