include/systools/win32/uwinapi.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
  21 #define INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
  22
  23 #include <prewin.h>
  24 #include <postwin.h>
  25
  26 #ifdef __cplusplus
  27
  28 inline bool IsValidHandle(HANDLE handle)
  29 {
  30     return handle != INVALID_HANDLE_VALUE && handle != nullptr;
  31 }
  32
  33 #else /* __cplusplus */
  34
  35 #define IsValidHandle(Handle) ((DWORD_PTR)(Handle) + 1 > 1)
  36
  37 #endif /* __cplusplus */
  38
  39 #endif // INCLUDED_SYSTOOLS_WIN32_UWINAPI_H
  40
  41 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */