diff options
Diffstat (limited to 'src/corelib/time/qdatetime.cpp')
| -rw-r--r-- | src/corelib/time/qdatetime.cpp | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/src/corelib/time/qdatetime.cpp b/src/corelib/time/qdatetime.cpp index 6d259ebd35..f881d47284 100644 --- a/src/corelib/time/qdatetime.cpp +++ b/src/corelib/time/qdatetime.cpp @@ -1,13 +1,12 @@ /**************************************************************************** ** -** Copyright (C) 2021 The Qt Company Ltd. +** Copyright (C) 2022 The Qt Company Ltd. ** Copyright (C) 2016 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:COMM$ -** +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the @@ -16,25 +15,26 @@ ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** -** $QT_END_LICENSE$ -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** -** +** 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. ** +** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -75,6 +75,7 @@ #include "qcalendar.h" #include "qgregoriancalendar_p.h" +#include "private/qnumeric_p.h" QT_BEGIN_NAMESPACE @@ -1429,9 +1430,11 @@ QDate QDate::addDays(qint64 ndays) const if (isNull()) return QDate(); - // Due to limits on minJd() and maxJd() we know that any overflow - // will be invalid and caught by fromJulianDay(). - return fromJulianDay(jd + ndays); + qint64 r; + if (Q_UNLIKELY(add_overflow(jd, ndays, &r))) + return QDate(); + else + return fromJulianDay(r); } /*! @@ -4548,9 +4551,9 @@ static inline void massageAdjustedDateTime(const QDateTimeData &d, QDate *date, QDateTimePrivate::DaylightStatus status = QDateTimePrivate::UnknownDaylightTime; localMSecsToEpochMSecs(timeToMSecs(*date, *time), &status, date, time); #if QT_CONFIG(timezone) - } else if (spec == Qt::TimeZone && d->m_timeZone.isValid()) { + } else if (spec == Qt::TimeZone && d.d->m_timeZone.isValid()) { QDateTimePrivate::zoneMSecsToEpochMSecs(timeToMSecs(*date, *time), - d->m_timeZone, + d.d->m_timeZone, QDateTimePrivate::UnknownDaylightTime, date, time); #endif // timezone @@ -4651,7 +4654,7 @@ QDateTime QDateTime::addSecs(qint64 s) const } /*! - Returns a QDateTime object containing a datetime \a msecs miliseconds + Returns a QDateTime object containing a datetime \a msecs milliseconds later than the datetime of this object (or earlier if \a msecs is negative). |