19 lines
545 B
V
19 lines
545 B
V
|
module time
|
||
|
|
|
||
|
|
// portable_timegm does the same as C._mkgmtime, but unlike it,
|
||
|
|
// can work with dates before the Unix epoch of 1970-01-01 .
|
||
|
|
pub fn portable_timegm(t &C.tm) i64 {
|
||
|
|
mut year := t.tm_year + 1900
|
||
|
|
mut month := t.tm_mon // 0-11
|
||
|
|
if month > 11 {
|
||
|
|
year += month / 12
|
||
|
|
month %= 12
|
||
|
|
} else if month < 0 {
|
||
|
|
years_diff := (11 - month) / 12
|
||
|
|
year -= years_diff
|
||
|
|
month += 12 * years_diff
|
||
|
|
}
|
||
|
|
days_since_1970 := i64(days_from_civil(year, month + 1, t.tm_mday))
|
||
|
|
return 60 * (60 * (24 * days_since_1970 + t.tm_hour) + t.tm_min) + t.tm_sec
|
||
|
|
}
|