Merge pull request #149 from yaoyuan1216/SupportForWINNT_WS03

Replace GetDynamicTimeZoneInformation to GetTimeZoneInformation.
This commit is contained in:
Gabi Melman 2015-11-20 10:49:02 +02:00
commit b187976141
1 changed files with 5 additions and 0 deletions

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@ -166,8 +166,13 @@ inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
#ifdef _WIN32
(void)tm; // avoid unused param warning
#if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo);
#else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo);
#endif
if (!rv)
return -1;
return -1 * (tzinfo.Bias + tzinfo.DaylightBias);