diff --git a/src/warning.h b/src/warning.h
new file mode 100644
--- /dev/null
+++ b/src/warning.h
@@ -0,0 +1,60 @@
+/*
+ *
+ *  $Id$
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  The Virtual Leaf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The Virtual Leaf is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
+ *
+ */
+
+
+#ifndef _WARNING_H_
+#define _WARNING_H_
+
+#define MEMORYCHECK(x) if ((x)==NULL) {   fprintf(stderr, "Out of Memory error in "#x" \n");  exit(0); }
+
+#define UNIDENTIFIED 2353996
+//static int last_value=UNIDENTIFIED;
+/*#define WATCH(x) if (last_value==UNIDENTIFIED) {   last_value=x; 
+} else { if (x!=last_value) { fprintf(stderr,"WATCH value changed. Suspending execution. \n Interrupt within debugger to examine position in program.\n"); 
+				 last_value=x; 
+				 while(1);
+	   } else { 
+		      last_value=x;
+	   } 
+	   }*/
+
+
+/* These functions were a gift from Josh Barnes */
+/* I changed the name "eprintf" to "warning" */
+
+#ifdef __cplusplus 
+extern "C" { 
+#endif
+  // namespace MyWarning needed because libxml2 also defines a warning token.
+    
+  namespace MyWarning {
+    void error(const char *, ...);
+    void warning(const char *, ...);
+    void unique_warning(const char *, ...);
+  }
+  
+#ifdef __cplusplus
+}
+#endif
+
+#endif