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AP_RTC: move implemenation of ap_mktime (NFC)

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Peter Barker 2023-06-22 14:23:22 +10:00 committed by Andrew Tridgell
parent e659667f03
commit b6b73d674f
1 changed files with 0 additions and 43 deletions
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43
libraries/AP_RTC/AP_RTC.cpp
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@ -205,49 +205,6 @@ uint32_t AP_RTC::get_time_utc(int32_t hour, int32_t min, int32_t sec, int32_t ms
return static_cast<uint32_t>(total_delay_ms);
}
/*
mktime replacement from Samba
*/
time_t ap_mktime(const struct tm *t)
{
time_t epoch = 0;
int n;
int mon [] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, y, m, i;
const unsigned MINUTE = 60;
const unsigned HOUR = 60*MINUTE;
const unsigned DAY = 24*HOUR;
const unsigned YEAR = 365*DAY;
if (t->tm_year < 70) {
return (time_t)-1;
}
n = t->tm_year + 1900 - 1;
epoch = (t->tm_year - 70) * YEAR +
((n / 4 - n / 100 + n / 400) - (1969 / 4 - 1969 / 100 + 1969 / 400)) * DAY;
y = t->tm_year + 1900;
m = 0;
for (i = 0; i < t->tm_mon; i++) {
epoch += mon [m] * DAY;
if (m == 1 && y % 4 == 0 && (y % 100 != 0 || y % 400 == 0)) {
epoch += DAY;
}
if (++m > 11) {
m = 0;
y++;
}
}
epoch += (t->tm_mday - 1) * DAY;
epoch += t->tm_hour * HOUR + t->tm_min * MINUTE + t->tm_sec;
return epoch;
}
// singleton instance
AP_RTC *AP_RTC::_singleton;