diff options
Diffstat (limited to 'zen/win_ver.h')
| -rw-r--r-- | zen/win_ver.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/zen/win_ver.h b/zen/win_ver.h deleted file mode 100644 index 2e8f1ee7..00000000 --- a/zen/win_ver.h +++ /dev/null @@ -1,135 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 * -// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved * -// ************************************************************************** - -#ifndef WINDOWS_VERSION_HEADER_238470348254325 -#define WINDOWS_VERSION_HEADER_238470348254325 - -#include <cassert> -#include <utility> -#include "win.h" //includes "windows.h" -#include "build_info.h" -#include "dll.h" - -namespace zen -{ -struct OsVersion -{ - OsVersion() : major(), minor() {} - OsVersion(DWORD high, DWORD low) : major(high), minor(low) {} - - DWORD major; - DWORD minor; -}; -inline bool operator< (const OsVersion& lhs, const OsVersion& rhs) { return lhs.major != rhs.major ? lhs.major < rhs.major : lhs.minor < rhs.minor; } -inline bool operator==(const OsVersion& lhs, const OsVersion& rhs) { return lhs.major == rhs.major && lhs.minor == rhs.minor; } - - -//version overview: http://msdn.microsoft.com/en-us/library/ms724834(VS.85).aspx -const OsVersion osVersionWin10 (10, 0); -const OsVersion osVersionWin81 (6, 3); -const OsVersion osVersionWin8 (6, 2); -const OsVersion osVersionWin7 (6, 1); -const OsVersion osVersionWinVista (6, 0); -const OsVersion osVersionWinServer2003(5, 2); -const OsVersion osVersionWinXp (5, 1); -const OsVersion osVersionWin2000 (5, 0); - -/* - NOTE: there are two basic APIs to check Windows version: (empiric study following) - GetVersionEx -> reports version considering compatibility mode (and compatibility setting in app manifest since Windows 8.1) - VerifyVersionInfo -> always reports *real* Windows Version - *) Win10 Technical preview caveat: VerifyVersionInfo returns 6.3 unless manifest entry is added!!! -*/ - -//GetVersionEx()-based APIs: -OsVersion getOsVersion(); -inline bool win81OrLater () { using namespace std::rel_ops; return getOsVersion() >= osVersionWin81; } -inline bool win8OrLater () { using namespace std::rel_ops; return getOsVersion() >= osVersionWin8; } -inline bool win7OrLater () { using namespace std::rel_ops; return getOsVersion() >= osVersionWin7; } -inline bool vistaOrLater () { using namespace std::rel_ops; return getOsVersion() >= osVersionWinVista; } -inline bool winServer2003orLater() { using namespace std::rel_ops; return getOsVersion() >= osVersionWinServer2003; } -inline bool winXpOrLater () { using namespace std::rel_ops; return getOsVersion() >= osVersionWinXp; } - -//VerifyVersionInfo()-based APIs: -bool isRealOsVersion(const OsVersion& ver); - - -bool runningWOW64(); -bool running64BitWindows(); - - - - -//######################### implementation ######################### -inline -OsVersion getOsVersion() -{ - OSVERSIONINFO osvi = {}; - osvi.dwOSVersionInfoSize = sizeof(osvi); -#ifdef _MSC_VER -#pragma warning(suppress: 4996) //"'GetVersionExW': was declared deprecated" -#endif - if (!::GetVersionEx(&osvi)) //38 ns per call! (yes, that's nano!) -> we do NOT miss C++11 thread-safe statics right now... - { - assert(false); - return OsVersion(); - } - return OsVersion(osvi.dwMajorVersion, osvi.dwMinorVersion); -} - - -inline -bool isRealOsVersion(const OsVersion& ver) -{ - OSVERSIONINFOEX verInfo = {}; - verInfo.dwOSVersionInfoSize = sizeof(verInfo); - verInfo.dwMajorVersion = ver.major; - verInfo.dwMinorVersion = ver.minor; - - //Syntax: http://msdn.microsoft.com/en-us/library/windows/desktop/ms725491%28v=vs.85%29.aspx - DWORDLONG conditionMask = 0; - VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_EQUAL); - VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_EQUAL); - - const bool rv = ::VerifyVersionInfo(&verInfo, VER_MAJORVERSION | VER_MINORVERSION, conditionMask) - == TRUE; //silence VC "performance warnings" - assert(rv || ::GetLastError() == ERROR_OLD_WIN_VERSION); - - return rv; -} - - -inline -bool runningWOW64() //test if process is running under WOW64: http://msdn.microsoft.com/en-us/library/ms684139(VS.85).aspx -{ - typedef BOOL (WINAPI* IsWow64ProcessFun)(HANDLE hProcess, PBOOL Wow64Process); - - const SysDllFun<IsWow64ProcessFun> isWow64Process(L"kernel32.dll", "IsWow64Process"); - if (isWow64Process) - { - BOOL isWow64 = FALSE; - if (isWow64Process(::GetCurrentProcess(), &isWow64)) - return isWow64 != FALSE; - } - return false; -} - - -template <bool is64BitBuild> inline -bool running64BitWindowsImpl() { return true; } - -template <> inline -bool running64BitWindowsImpl<false>() { return runningWOW64(); } - -inline -bool running64BitWindows() //http://blogs.msdn.com/b/oldnewthing/archive/2005/02/01/364563.aspx -{ - static_assert(zen::is32BitBuild || zen::is64BitBuild, ""); - return running64BitWindowsImpl<is64BitBuild>(); -} -} - -#endif //WINDOWS_VERSION_HEADER_238470348254325 |