iostream.cc (endl): Verify stream can accept characters before writing its eol.

        * iostream.cc (endl): Verify stream can accept characters
        before writing its eol.

From-SVN: r34122

libio/ChangeLog

+Tue May 23 22:56:56 2000  Jerry Quinn
+
+	* iostream.cc (endl): Verify stream can accept characters
+	before writing its eol.
+
 2000-05-15  David Edelsohn  <edelsohn@gnu.org>
 
 	* config.shared: Change "pic" to depend on $(PICFLAG), not

libio/iostream.cc

@@ -963,7 +963,9 @@ ostream& ends(ostream& outs)
 
 ostream& endl(ostream& outs)
 {
-    return flush(outs.put('\n'));
+    if (opfx)
+        flush(outs.put('\n'));
+    return outs;
 }
 
 istream& lock(istream& ins)