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diff --git a/src/libs/7zip/unix/CPP/myWindows/myDateAndTime.cpp b/src/libs/7zip/unix/CPP/myWindows/myDateAndTime.cpp
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+/**************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Installer Framework.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+**************************************************************************/
+
+#include <QDebug>
+#include <QDateTime>
+#include "windows.h"
+
+void FileTimeToDateTime(const FILETIME *source, QDateTime *target)
+{
+ ULARGE_INTEGER store;
+ QDateTime tempDateTime(QDate(1601, 1, 1));
+
+ store.QuadPart = source->dwHighDateTime;
+ store.QuadPart = store.QuadPart << 32;
+ store.QuadPart += source->dwLowDateTime;
+
+ *target = tempDateTime.addMSecs(store.QuadPart / 10000);
+}
+
+void DateTimeToSystemTime(const QDateTime *source, SYSTEMTIME *target)
+{
+ target->wYear = source->date().year();
+ target->wMonth = source->date().month();
+ target->wDayOfWeek = source->date().dayOfWeek();
+ target->wDay = source->date().day();
+ target->wHour = source->time().hour();
+ target->wMinute = source->time().minute();
+ target->wSecond = source->time().second();
+ target->wMilliseconds = source->time().msec();
+}
+
+
+BOOL WINAPI FileTimeToSystemTime(CONST FILETIME *source,SYSTEMTIME *target)
+{
+ QDateTime tempDateTime;
+ FileTimeToDateTime(source, &tempDateTime);
+ DateTimeToSystemTime(&tempDateTime, target);
+
+ return TRUE;
+}
+
+BOOL WINAPI SystemTimeToFileTime(const SYSTEMTIME *source,FILETIME *target)
+{
+ // TODO: Implementation!
+ // This doesn't seem to be called at all
+
+ qDebug() << "SystemTimeToFileTime";
+
+ target->dwHighDateTime = 0;
+ target->dwLowDateTime = 0;
+
+ qWarning() << Q_FUNC_INFO;
+
+ return TRUE;
+}
+
+BOOL WINAPI FileTimeToLocalFileTime(CONST FILETIME *source,FILETIME *target)
+{
+ target->dwHighDateTime = source->dwHighDateTime;
+ target->dwLowDateTime = source->dwLowDateTime;
+
+ QDateTime tempDateTime;
+ FileTimeToDateTime(source, &tempDateTime);
+
+ tempDateTime = tempDateTime.toLocalTime();
+
+ return TRUE;
+}
+
+BOOLEAN WINAPI RtlTimeToSecondsSince1970(const LARGE_INTEGER *Time, DWORD *Seconds)
+{
+ SYSTEMTIME tempSystemTime;
+ FILETIME fileTime;
+
+ fileTime.dwLowDateTime = Time->QuadPart;
+ fileTime.dwHighDateTime = Time->QuadPart >> 32;
+
+ FileTimeToSystemTime(&fileTime, &tempSystemTime);
+
+ QDate targetDate(tempSystemTime.wYear, tempSystemTime.wMonth, tempSystemTime.wDay);
+ QTime targetTime(tempSystemTime.wHour, tempSystemTime.wMinute, tempSystemTime.wSecond, tempSystemTime.wMilliseconds);
+ QDateTime targetDateTime(targetDate, targetTime, Qt::UTC);
+
+ quint64 secsSince1970 = targetDateTime.toMSecsSinceEpoch() / 1000;
+
+ *Seconds = secsSince1970;
+
+ return TRUE;
+}
+
+void WINAPI RtlSecondsSince1970ToFileTime(DWORD Seconds, FILETIME *ft)
+{
+ QDateTime fileTimeStartDate(QDate(1601, 1, 1));
+ quint64 hnseconds = Seconds;
+ QDateTime sourceDateTime = QDateTime::fromMSecsSinceEpoch(hnseconds * 1000);
+
+ hnseconds = fileTimeStartDate.msecsTo(sourceDateTime);
+ hnseconds *= 10000;
+
+ ft->dwLowDateTime = hnseconds;
+ ft->dwHighDateTime = hnseconds >> 32;
+}
+
+VOID WINAPI GetSystemTime(SYSTEMTIME *st)
+{
+ QDateTime nowDateTime = QDateTime::currentDateTimeUtc();
+ DateTimeToSystemTime(&nowDateTime, st);
+}