1 files changed, 35 insertions, 0 deletions
diff --git a/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_writeback.c b/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_writeback.c
new file mode 100644
index 00000000..f55a4c37
--- /dev/null
+++ b/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_writeback.c
@@ -0,0 +1,35 @@
+/* Copyright (c) 2001, Stanford University
+ * All rights reserved
+ *
+ * See the file LICENSE.txt for information on redistributing this software.
+ */
+
+#include "unpacker.h"
+#include "cr_error.h"
+#include <stdio.h>
+
+CRNetworkPointer *return_ptr = NULL, *writeback_ptr = NULL;
+
+void crUnpackSetReturnPointer( CRNetworkPointer *ret )
+{
+	return_ptr = ret;
+}
+
+void crUnpackSetWritebackPointer( CRNetworkPointer *wri )
+{
+	writeback_ptr = wri;
+}
+
+void crUnpackExtendWriteback(void)
+{
+	/* This copies the unpack buffer's CRNetworkPointer to writeback_ptr */
+	SET_WRITEBACK_PTR( 8 );
+	cr_unpackDispatch.Writeback( NULL );
+}
+
+#if 0
+void crUnpackWriteback(void)
+{
+	crError( "crUnpackWriteback should never be called" );
+}
+#endif