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Fix #233: use microsec_clock::universal_time() directly in local_time(time_zone_ptr) #234

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Fix #233: use microsec_clock::universal_time() directly in local_time(time_zone_ptr) #234

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10 changes: 1 addition & 9 deletions include/boost/date_time/microsec_time_clock.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -50,19 +50,11 @@ namespace date_time {
typedef typename time_duration_type::rep_type resolution_traits_type;

//! return a local time object for the given zone, based on computer clock
//JKG -- looks like we could rewrite this against universal_time
template<class time_zone_type>
static time_type local_time(shared_ptr<time_zone_type> tz_ptr)
{
typedef typename time_type::utc_time_type utc_time_type;
typedef second_clock<utc_time_type> second_clock;
// we'll need to know the utc_offset this machine has
// in order to get a utc_time_type set to utc
utc_time_type utc_time = second_clock::universal_time();
time_duration_type utc_offset = second_clock::local_time() - utc_time;
// use micro clock to get a local time with sub seconds
// and adjust it to get a true utc time reading with sub seconds
utc_time = microsec_clock<utc_time_type>::local_time() - utc_offset;
utc_time_type utc_time = microsec_clock<utc_time_type>::universal_time();
return time_type(utc_time, tz_ptr);
}

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