125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the QtCore module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 3 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL3 included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 3 requirements
|
|
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 2.0 or (at your option) the GNU General
|
|
** Public license version 3 or any later version approved by the KDE Free
|
|
** Qt Foundation. The licenses are as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
|
|
** https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "qoperatingsystemversion_win_p.h"
|
|
|
|
#include "qoperatingsystemversion_p.h"
|
|
|
|
#include <qt_windows.h>
|
|
#include <qbytearray.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
static inline OSVERSIONINFOEX determineWinOsVersion()
|
|
{
|
|
OSVERSIONINFOEX result = { sizeof(OSVERSIONINFOEX), 0, 0, 0, 0, {'\0'}, 0, 0, 0, 0, 0};
|
|
|
|
HMODULE ntdll = GetModuleHandleW(L"ntdll.dll");
|
|
if (Q_UNLIKELY(!ntdll))
|
|
return result;
|
|
|
|
typedef NTSTATUS (NTAPI *RtlGetVersionFunction)(LPOSVERSIONINFO);
|
|
|
|
// RtlGetVersion is documented public API but we must load it dynamically
|
|
// because linking to it at load time will not pass the Windows App Certification Kit
|
|
// https://msdn.microsoft.com/en-us/library/windows/hardware/ff561910.aspx
|
|
RtlGetVersionFunction pRtlGetVersion = reinterpret_cast<RtlGetVersionFunction>(
|
|
reinterpret_cast<QFunctionPointer>(GetProcAddress(ntdll, "RtlGetVersion")));
|
|
if (Q_UNLIKELY(!pRtlGetVersion))
|
|
return result;
|
|
|
|
// GetVersionEx() has been deprecated in Windows 8.1 and will return
|
|
// only Windows 8 from that version on, so use the kernel API function.
|
|
pRtlGetVersion(reinterpret_cast<LPOSVERSIONINFO>(&result)); // always returns STATUS_SUCCESS
|
|
return result;
|
|
}
|
|
|
|
OSVERSIONINFOEX qWindowsVersionInfo()
|
|
{
|
|
OSVERSIONINFOEX realResult = determineWinOsVersion();
|
|
#ifdef QT_DEBUG
|
|
{
|
|
if (Q_UNLIKELY(qEnvironmentVariableIsSet("QT_WINVER_OVERRIDE"))) {
|
|
OSVERSIONINFOEX result = realResult;
|
|
result.dwMajorVersion = 0;
|
|
result.dwMinorVersion = 0;
|
|
|
|
// Erase any build number and service pack information
|
|
result.dwBuildNumber = 0;
|
|
result.szCSDVersion[0] = L'\0';
|
|
result.wServicePackMajor = 0;
|
|
result.wServicePackMinor = 0;
|
|
|
|
const QByteArray winVerOverride = qgetenv("QT_WINVER_OVERRIDE");
|
|
if (winVerOverride == "WINDOWS10" || winVerOverride == "2016") {
|
|
result.dwMajorVersion = 10;
|
|
} else {
|
|
return realResult;
|
|
}
|
|
|
|
if (winVerOverride == "2016") {
|
|
// If the current host OS is a domain controller and the override OS
|
|
// is also a server type OS, preserve that information
|
|
if (result.wProductType == VER_NT_WORKSTATION)
|
|
result.wProductType = VER_NT_SERVER;
|
|
} else {
|
|
// Any other OS must be a workstation OS type
|
|
result.wProductType = VER_NT_WORKSTATION;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return realResult;
|
|
}
|
|
|
|
QOperatingSystemVersion QOperatingSystemVersion::current()
|
|
{
|
|
static QOperatingSystemVersion v;
|
|
if (v.m_os == Unknown) {
|
|
v.m_os = currentType();
|
|
const OSVERSIONINFOEX osv = qWindowsVersionInfo();
|
|
v.m_major = osv.dwMajorVersion;
|
|
v.m_minor = osv.dwMinorVersion;
|
|
v.m_micro = osv.dwBuildNumber;
|
|
}
|
|
return v;
|
|
}
|
|
|
|
QT_END_NAMESPACE
|