uint32_t
caltontp(
const struct calendar *jt
)
{
int32_t eraday; /* CE Rata Die number */
vint64 ntptime;/* resulting NTP time */
NTP_INSIST(jt != NULL);
NTP_REQUIRE(jt->month <= 13); /* permit month 0..13! */
NTP_REQUIRE(jt->monthday <= 32);
NTP_REQUIRE(jt->yearday <= 366);
NTP_REQUIRE(jt->hour <= 24);
NTP_REQUIRE(jt->minute <= MINSPERHR);
NTP_REQUIRE(jt->second <= SECSPERMIN);
/*
* First convert the date to he corresponding RataDie
* number. If yearday is not zero, assume that it contains a
* useable value and avoid all calculations involving month
* and day-of-month. Do a full evaluation otherwise.
*/
if (jt->yearday)
eraday = ntpcal_year_to_ystart(jt->year)
+ jt->yearday - 1;
else
eraday = ntpcal_date_to_rd(jt);
ntptime = ntpcal_dayjoin(eraday - DAY_NTP_STARTS,
ntpcal_etime_to_seconds(jt->hour, jt->minute,
jt->second));
return ntptime.d_s.lo;
}
/* test the day/sec join & split ops, making sure that 32bit
* intermediate results would definitely overflow and the hi DWORD of
* the 'vint64' is definitely needed.
*/
void
test_DaySplitMerge(void)
{
int32 day,sec;
for (day = -1000000; day <= 1000000; day += 100) {
for (sec = -100000; sec <= 186400; sec += 10000) {
vint64 merge;
ntpcal_split split;
int32 eday;
int32 esec;
merge = ntpcal_dayjoin(day, sec);
split = ntpcal_daysplit(&merge);
eday = day;
esec = sec;
while (esec >= 86400) {
eday += 1;
esec -= 86400;
}
while (esec < 0) {
eday -= 1;
esec += 86400;
}
TEST_ASSERT_EQUAL(eday, split.hi);
TEST_ASSERT_EQUAL(esec, split.lo);
}
}
return;
}
// test the day/sec join & split ops, making sure that 32bit
// intermediate results would definitely overflow and the hi DWORD of
// the 'vint64' is definitely needed.
TEST_F(calendarTest, DaySplitMerge) {
for (int32 day = -1000000; day <= 1000000; day += 100) {
for (int32 sec = -100000; sec <= 186400; sec += 10000) {
vint64 merge = ntpcal_dayjoin(day, sec);
ntpcal_split split = ntpcal_daysplit(&merge);
int32 eday = day;
int32 esec = sec;
while (esec >= 86400) {
eday += 1;
esec -= 86400;
}
while (esec < 0) {
eday -= 1;
esec += 86400;
}
EXPECT_EQ(eday, split.hi);
EXPECT_EQ(esec, split.lo);
}
}
}
