diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/corelib/time/qtimezoneprivate_icu.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/corelib/time/qtimezoneprivate_icu.cpp b/src/corelib/time/qtimezoneprivate_icu.cpp index b1de236fcb5..1f070571685 100644 --- a/src/corelib/time/qtimezoneprivate_icu.cpp +++ b/src/corelib/time/qtimezoneprivate_icu.cpp @@ -386,8 +386,17 @@ int QIcuTimeZonePrivate::daylightTimeOffset(qint64 atMSecsSinceEpoch) const bool QIcuTimeZonePrivate::hasDaylightTime() const { - // TODO No direct ICU C api, work-around below not reliable? Find a better way? - return (ucalDaylightOffset(m_id) != 0); + if (ucalDaylightOffset(m_id) != 0) + return true; +#if U_ICU_VERSION_MAJOR_NUM == 50 + for (qint64 when = minMSecs(); when != invalidMSecs(); ) { + auto data = nextTransition(when); + if (data.daylightTimeOffset && data.daylightTimeOffset != invalidSeconds()) + return true; + when = data.atMSecsSinceEpoch; + } +#endif + return false; } bool QIcuTimeZonePrivate::isDaylightTime(qint64 atMSecsSinceEpoch) const |