diff options
Diffstat (limited to 'src/corelib/tools/qtimezoneprivate_win.cpp')
| -rw-r--r-- | src/corelib/tools/qtimezoneprivate_win.cpp | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/src/corelib/tools/qtimezoneprivate_win.cpp b/src/corelib/tools/qtimezoneprivate_win.cpp index f411d35b3d..04588b2ba8 100644 --- a/src/corelib/tools/qtimezoneprivate_win.cpp +++ b/src/corelib/tools/qtimezoneprivate_win.cpp @@ -305,7 +305,7 @@ static void calculateTransitionsForYear(const QWinTimeZonePrivate::QWinTransitio QDate daylightDate = calculateTransitionLocalDate(rule.daylightTimeRule, year); QTime daylightTime = QTime(rule.daylightTimeRule.wHour, rule.daylightTimeRule.wMinute, rule.daylightTimeRule.wSecond); - if (standardDate.isValid() && standardTime.isValid()) + if (daylightDate.isValid() && daylightTime.isValid()) *dstMSecs = timeToMSecs(daylightDate, daylightTime) + (rule.standardTimeBias * 60000); else *dstMSecs = QTimeZonePrivate::invalidMSecs(); @@ -362,7 +362,7 @@ void QWinTimeZonePrivate::init(const QByteArray &olsenId) m_windowsId = windowsSystemZoneId(); m_id = systemTimeZoneId(); } else { - m_windowsId = olsenIdToWindowsId(olsenId); + m_windowsId = ianaIdToWindowsId(olsenId); m_id = olsenId; } @@ -488,6 +488,9 @@ QTimeZonePrivate::Data QWinTimeZonePrivate::data(qint64 forMSecsSinceEpoch) cons do { // Convert the transition rules into msecs for the year we want to try rule = ruleForYear(year); + // If no transition rules to calculate then no DST, so just use rule for std + if (rule.standardTimeRule.wMonth == 0 && rule.daylightTimeRule.wMonth == 0) + break; calculateTransitionsForYear(rule, year, &stdMSecs, &dstMSecs); if (stdMSecs < dstMSecs) { first = stdMSecs; @@ -543,6 +546,9 @@ QTimeZonePrivate::Data QWinTimeZonePrivate::nextTransition(qint64 afterMSecsSinc do { // Convert the transition rules into msecs for the year we want to try rule = ruleForYear(year); + // If no transition rules to calculate then no next transition + if (rule.standardTimeRule.wMonth == 0 && rule.daylightTimeRule.wMonth == 0) + return invalidData(); calculateTransitionsForYear(rule, year, &stdMSecs, &dstMSecs); // Find the first and second transition for the year if (stdMSecs < dstMSecs) { @@ -591,6 +597,9 @@ QTimeZonePrivate::Data QWinTimeZonePrivate::previousTransition(qint64 beforeMSec do { // Convert the transition rules into msecs for the year we want to try rule = ruleForYear(year); + // If no transition rules to calculate then no previous transition + if (rule.standardTimeRule.wMonth == 0 && rule.daylightTimeRule.wMonth == 0) + return invalidData(); calculateTransitionsForYear(rule, year, &stdMSecs, &dstMSecs); if (stdMSecs < dstMSecs) { first = stdMSecs; @@ -620,10 +629,10 @@ QByteArray QWinTimeZonePrivate::systemTimeZoneId() const QByteArray olsenId; // If we have a real country, then try get a specific match for that country if (country != QLocale::AnyCountry) - olsenId = windowsIdToDefaultOlsenId(windowsId, country); + olsenId = windowsIdToDefaultIanaId(windowsId, country); // If we don't have a real country, or there wasn't a specific match, try the global default if (olsenId.isEmpty()) { - olsenId = windowsIdToDefaultOlsenId(windowsId); + olsenId = windowsIdToDefaultIanaId(windowsId); // If no global default then probably an unknown Windows ID so return UTC if (olsenId.isEmpty()) return QByteArrayLiteral("UTC"); @@ -635,7 +644,7 @@ QSet<QByteArray> QWinTimeZonePrivate::availableTimeZoneIds() const { QSet<QByteArray> set; foreach (const QByteArray &winId, availableWindowsIds()) { - foreach (const QByteArray &olsenId, windowsIdToOlsenIds(winId)) + foreach (const QByteArray &olsenId, windowsIdToIanaIds(winId)) set << olsenId; } return set; |