1 files changed, 41 insertions, 0 deletions
diff --git a/include/systools/win32/uwinapi.h b/include/systools/win32/uwinapi.h
new file mode 100644
index 000000000..501c9aa38
--- /dev/null
+++ b/include/systools/win32/uwinapi.h
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
+#define INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
+
+#include <prewin.h>
+#include <postwin.h>
+
+#ifdef __cplusplus
+
+inline bool IsValidHandle(HANDLE handle)
+{
+    return handle != INVALID_HANDLE_VALUE && handle != nullptr;
+}
+
+#else /* __cplusplus */
+
+#define IsValidHandle(Handle) ((DWORD_PTR)(Handle) + 1 > 1)
+
+#endif /* __cplusplus */
+
+#endif // INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */