diff --git a/glib_utils.h b/glib_utils.h
new file mode 100644
index 0000000..9fea076
--- /dev/null
+++ b/glib_utils.h
@@ -0,0 +1,22 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UPDATE_ENGINE_GLIB_UTILS_H_
+#define UPDATE_ENGINE_GLIB_UTILS_H_
+
+#include <string>
+
+#include <glib.h>
+
+namespace chromeos_update_engine {
+namespace utils {
+
+// Returns the error message, if any, from a GError pointer. Frees the GError
+// object and resets error to NULL.
+std::string GetAndFreeGError(GError** error);
+
+}  // namespace utils
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_GLIB_UTILS_H_