/**
* call-seq:
* UCalendar.dst_savings(zone_id)
*
* Return the amount of time in milliseconds that the clock is advanced
* during daylight savings time for the given time zone, or zero if the time
* zone does not observe daylight savings time.
*
* UCalendar.dst_savings("GMT+00".u) # => 3600000
*
*/
VALUE icu4r_cal_dst_savings(VALUE obj, VALUE zone)
{
UErrorCode status = U_ZERO_ERROR;
int32_t dst;
Check_Class(zone, rb_cUString);
dst = ucal_getDSTSavings (ICU_PTR(zone), &status);
ICU_RAISE(status);
return INT2FIX(dst);
}
// Qt wrapper around ucal_getDSTSavings()
static int ucalDaylightOffset(const QByteArray &id)
{
UErrorCode status = U_ZERO_ERROR;
const int32_t dstMSecs = ucal_getDSTSavings(reinterpret_cast<const UChar *>(id.data()), &status);
if (U_SUCCESS(status))
return (dstMSecs / 1000);
else
return 0;
}
