/* * Copyright (C) 2009 Apple Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "platform/win/SystemInfo.h" #if _WIN32_WINNT_WINBLUE #include <versionhelpers.h> #endif #include <windows.h> namespace WebCore { #ifndef _WIN32_WINNT_WINBLUE static bool IsWindowsVistaOrGreater() { OSVERSIONINFOEXW osvi = { }; osvi.dwOSVersionInfoSize = sizeof(osvi); osvi.dwMajorVersion = HIBYTE(_WIN32_WINNT_VISTA); osvi.dwMinorVersion = LOBYTE(_WIN32_WINNT_VISTA); DWORDLONG conditoin = 0; VER_SET_CONDITION(conditoin, VER_MAJORVERSION, VER_GREATER_EQUAL); VER_SET_CONDITION(conditoin, VER_MINORVERSION, VER_GREATER_EQUAL); return !!::VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION, conditoin); } #endif bool isWindowsVistaOrGreater() { static bool initialized = false; static bool cachedIsWindowsVistaOrGreater; if (!initialized) { initialized = true; cachedIsWindowsVistaOrGreater = IsWindowsVistaOrGreater(); } return cachedIsWindowsVistaOrGreater; } } // namespace WebCore