1fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill/* 2fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * Copyright (C) 2009 Apple Inc. All Rights Reserved. 3fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * 4fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * Redistribution and use in source and binary forms, with or without 5fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * modification, are permitted provided that the following conditions 6fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * are met: 7fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * 1. Redistributions of source code must retain the above copyright 8fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * notice, this list of conditions and the following disclaimer. 9fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * 2. Redistributions in binary form must reproduce the above copyright 10fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * notice, this list of conditions and the following disclaimer in the 11fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * documentation and/or other materials provided with the distribution. 12fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * 13fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill */ 25fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill 26d61e4726c4f632bf5803435a583bd631db066426Jamie Madill#include <windows.h> 27d61e4726c4f632bf5803435a583bd631db066426Jamie Madill 28fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill#if _WIN32_WINNT_WINBLUE 29fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill#include <versionhelpers.h> 30fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill#endif 31fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill 32fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madillnamespace rx { 33fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill 34fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill#ifndef _WIN32_WINNT_WINBLUE 35fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madillstatic bool IsWindowsVistaOrGreater() 36fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill{ 37fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill OSVERSIONINFOEXW osvi = { }; 38fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill osvi.dwOSVersionInfoSize = sizeof(osvi); 39fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill osvi.dwMajorVersion = HIBYTE(_WIN32_WINNT_VISTA); 40fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill osvi.dwMinorVersion = LOBYTE(_WIN32_WINNT_VISTA); 41fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill DWORDLONG condition = 0; 42fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill VER_SET_CONDITION(condition, VER_MAJORVERSION, VER_GREATER_EQUAL); 43fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill VER_SET_CONDITION(condition, VER_MINORVERSION, VER_GREATER_EQUAL); 44fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill return !!::VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION, condition); 45fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill} 46fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill#endif 47fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill 48fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madillbool isWindowsVistaOrGreater() 49fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill{ 50fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill static bool initialized = false; 51fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill static bool cachedIsWindowsVistaOrGreater; 52fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill 53fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill if (!initialized) { 54fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill initialized = true; 55fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill cachedIsWindowsVistaOrGreater = IsWindowsVistaOrGreater(); 56fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill } 57fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill return cachedIsWindowsVistaOrGreater; 58fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill} 59fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill 60fc2521e16b341ab11eb413b44f7e8656d40f1c7cJamie Madill} // namespace rx 61