Index: libcfa/src/fstream.hfa
===================================================================
--- libcfa/src/fstream.hfa	(revision 91e52be0d8a1dc5a70a53c5ef8cf2d526d590eba)
+++ libcfa/src/fstream.hfa	(revision da3963ae1399ac41655fc82eda47fad820dd3ccf)
@@ -10,6 +10,6 @@
 // Created On       : Wed May 27 17:56:53 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jun 16 20:41:21 2020
-// Update Count     : 184
+// Last Modified On : Fri Jun 19 16:29:17 2020
+// Update Count     : 189
 //
 
@@ -20,5 +20,5 @@
 
 
-//*********************************** ofstream ***********************************
+// *********************************** ofstream ***********************************
 
 
@@ -79,5 +79,5 @@
 
 
-//*********************************** ifstream ***********************************
+// *********************************** ifstream ***********************************
 
 
@@ -108,16 +108,18 @@
 
 
-//*********************************** exceptions ***********************************
+// *********************************** exceptions ***********************************
 
 
-DATA_EXCEPTION(IO_OPEN_FAILURE)(
+DATA_EXCEPTION(Open_Failure)(
 	union {
 		ofstream * ostream;
 		ifstream * istream;
 	};
+	// TEMPORARY: need polymorphic exceptions
+	int tag;											// 1 => ostream; 0 => istream
 );
 
-void ?{}( IO_OPEN_FAILURE & this, ofstream & ostream );
-void ?{}( IO_OPEN_FAILURE & this, ifstream & istream );
+void ?{}( Open_Failure & this, ofstream & ostream );
+void ?{}( Open_Failure & this, ifstream & istream );
 
 // Local Variables: //