Fixes for IRIX and Boris Bralo's TerraPage loader.

src/osgPlugins/txp/trpage_basic.cpp

@@ -0,0 +1,43 @@
+/* ************************
+   Copyright Terrain Experts Inc.
+   Terrain Experts Inc (TERREX) reserves all rights to this source code
+   unless otherwise specified in writing by the Chief Operating Officer
+   of TERREX.
+   This copyright may be updated in the future, in which case that version
+   supercedes this one.
+   -------------------
+   Terrex Experts Inc.
+   84 West Santa Clara St., Suite 380
+   San Jose, CA 95113
+   info@terrex.com
+   Tel: (408) 293-9977
+   ************************
+   */
+
+/* trpage_basic.cpp
+	Methods for checkable base class.
+	*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "trpage_io.h"
+
+/* Checkable
+	This is just a class that checks validity.
+	Starts out invalid.
+	*/
+
+trpgCheckable::trpgCheckable()
+{
+	valid = false;
+}
+trpgCheckable::~trpgCheckable()
+{
+	valid = false;
+}
+bool trpgCheckable::isValid() const
+{
+	return valid;
+}
+