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Optimize unix timestamp to date-string conversion for very high year values

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This commit is contained in:
Ilia Alshanetsky 2011-01-05 04:13:23 +00:00
parent 09d73b67e2
commit 02bdb521e2
1 changed files with 6 additions and 0 deletions
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6
ext/date/lib/unixtime2tm.c
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@ -55,6 +55,12 @@ void timelib_unixtime2gmt(timelib_time* tm, timelib_sll ts)
if (ts >= 0) {
tmp_days = days + 1;
if (tmp_days >= DAYS_PER_LYEAR_PERIOD || tmp_days <= -DAYS_PER_LYEAR_PERIOD) {
cur_year += YEARS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);
tmp_days -= DAYS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);
}
while (tmp_days >= DAYS_PER_LYEAR) {
cur_year++;
if (timelib_is_leap(cur_year)) {