static u_int32
year_to_ntp(
int32 year)
{
u_int32 days;
days = ntpcal_days_in_years(year-1) - DAY_NTP_STARTS + 1;
return days * SECSPERDAY;
}
/* helper / reference implementation for the first week of year in the
* ISO8601 week calendar. This is based on the reference definition of
* the ISO week calendar start: The Monday closest to January,1st of the
* corresponding year in the Gregorian calendar.
*/
static int32_t
refimpl_WeeksInIsoYears(
int32_t years)
{
int32_t days, weeks;
days = ntpcal_weekday_close(
ntpcal_days_in_years(years) + 1,
CAL_MONDAY) - 1;
/* the weekday functions operate on RDN, while we want elapsed
* units here -- we have to add / sub 1 in the midlle / at the
* end of the operation that gets us the first day of the ISO
* week calendar day.
*/
weeks = days / 7;
days = days % 7;
TEST_ASSERT_EQUAL(0, days); /* paranoia check... */
return weeks;
}
