diff options
Diffstat (limited to 'subsurfacesysinfo.cpp')
| -rw-r--r-- | subsurfacesysinfo.cpp | 60 |
1 files changed, 39 insertions, 21 deletions
diff --git a/subsurfacesysinfo.cpp b/subsurfacesysinfo.cpp index 5b40d1c8e..f9ca282d0 100644 --- a/subsurfacesysinfo.cpp +++ b/subsurfacesysinfo.cpp @@ -131,6 +131,7 @@ #define ARCH_FULL ARCH_PROCESSOR "-" ARCH_ENDIANNESS "-" ARCH_POINTER ARCH_ABI // --- end of archdetect.cpp --- +// copied from Qt 5.4.1's src/corelib/global/qglobal.cpp #if defined(Q_OS_WIN) || defined(Q_OS_CYGWIN) || defined(Q_OS_WINCE) || defined(Q_OS_WINRT) @@ -139,33 +140,50 @@ QT_BEGIN_INCLUDE_NAMESPACE QT_END_INCLUDE_NAMESPACE #ifndef Q_OS_WINRT +# ifndef Q_OS_WINCE +// Fallback for determining Windows versions >= 8 by looping using the +// version check macros. Note that it will return build number=0 to avoid +// inefficient looping. +static inline void determineWinOsVersionFallbackPost8(OSVERSIONINFO *result) +{ + result->dwBuildNumber = 0; + DWORDLONG conditionMask = 0; + VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL); + VER_SET_CONDITION(conditionMask, VER_PLATFORMID, VER_EQUAL); + OSVERSIONINFOEX checkVersion = { sizeof(OSVERSIONINFOEX), result->dwMajorVersion, 0, + result->dwBuildNumber, result->dwPlatformId, {'\0'}, 0, 0, 0, 0, 0 }; + for ( ; VerifyVersionInfo(&checkVersion, VER_MAJORVERSION | VER_PLATFORMID, conditionMask); ++checkVersion.dwMajorVersion) + result->dwMajorVersion = checkVersion.dwMajorVersion; + conditionMask = 0; + checkVersion.dwMajorVersion = result->dwMajorVersion; + checkVersion.dwMinorVersion = 0; + VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_EQUAL); + VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL); + VER_SET_CONDITION(conditionMask, VER_PLATFORMID, VER_EQUAL); + for ( ; VerifyVersionInfo(&checkVersion, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, conditionMask); ++checkVersion.dwMinorVersion) + result->dwMinorVersion = checkVersion.dwMinorVersion; +} + +# endif // !Q_OS_WINCE + static inline OSVERSIONINFO winOsVersion() { OSVERSIONINFO result = { sizeof(OSVERSIONINFO), 0, 0, 0, 0, {'\0'}}; // GetVersionEx() has been deprecated in Windows 8.1 and will return // only Windows 8 from that version on. -# if defined(_MSC_VER) && _MSC_VER >= 1800 -# pragma warning( push ) -# pragma warning( disable : 4996 ) -# endif +# if defined(_MSC_VER) && _MSC_VER >= 1800 +# pragma warning( push ) +# pragma warning( disable : 4996 ) +# endif GetVersionEx(&result); -# if defined(_MSC_VER) && _MSC_VER >= 1800 -# pragma warning( pop ) -# endif -# ifndef Q_OS_WINCE - if (result.dwMajorVersion == 6 && result.dwMinorVersion == 2) { - // This could be Windows 8.1 or higher. Note that as of Windows 9, - // the major version needs to be checked as well. - DWORDLONG conditionMask = 0; - VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL); - VER_SET_CONDITION(conditionMask, VER_MINORVERSION, VER_GREATER_EQUAL); - VER_SET_CONDITION(conditionMask, VER_PLATFORMID, VER_EQUAL); - OSVERSIONINFOEX checkVersion = { sizeof(OSVERSIONINFOEX), result.dwMajorVersion, result.dwMinorVersion, - result.dwBuildNumber, result.dwPlatformId, {'\0'}, 0, 0, 0, 0, 0 }; - for ( ; VerifyVersionInfo(&checkVersion, VER_MAJORVERSION | VER_MINORVERSION | VER_PLATFORMID, conditionMask); ++checkVersion.dwMinorVersion) - result.dwMinorVersion = checkVersion.dwMinorVersion; - } -# endif // !Q_OS_WINCE +# if defined(_MSC_VER) && _MSC_VER >= 1800 +# pragma warning( pop ) +# endif +# ifndef Q_OS_WINCE + if (result.dwMajorVersion == 6 && result.dwMinorVersion == 2) { + determineWinOsVersionFallbackPost8(&result); + } +# endif // !Q_OS_WINCE return result; } #endif // !Q_OS_WINRT |