diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/update/common/win_dirent.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/update/common/win_dirent.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef WINDIRENT_H__
+#define WINDIRENT_H__
+
+#ifndef XP_WIN
+#error This library should only be used on Windows
+#endif
+
+#include <windows.h>
+
+struct DIR {
+  explicit DIR(const WCHAR* path);
+  ~DIR();
+  HANDLE findHandle;
+  WCHAR name[MAX_PATH];
+};
+
+struct dirent {
+  dirent();
+  WCHAR d_name[MAX_PATH];
+};
+
+DIR* opendir(const WCHAR* path);
+int closedir(DIR* dir);
+dirent* readdir(DIR* dir);
+
+#endif  // WINDIRENT_H__