FAR struct tm *gmtime_r(FAR const time_t *timer, FAR struct tm *result)
{
time_t epoch;
time_t jdn;
int year;
int month;
int day;
int hour;
int min;
int sec;
/* Get the seconds since the EPOCH */
epoch = *timer;
sdbg("timer=%d\n", (int)epoch);
/* Convert to days, hours, minutes, and seconds since the EPOCH */
jdn = epoch / SEC_PER_DAY;
epoch -= SEC_PER_DAY * jdn;
hour = epoch / SEC_PER_HOUR;
epoch -= SEC_PER_HOUR * hour;
min = epoch / SEC_PER_MIN;
epoch -= SEC_PER_MIN * min;
sec = epoch;
sdbg("hour=%d min=%d sec=%d\n",
(int)hour, (int)min, (int)sec);
/* Convert the days since the EPOCH to calendar day */
clock_utc2calendar(jdn, &year, &month, &day);
sdbg("jdn=%d year=%d month=%d day=%d\n",
(int)jdn, (int)year, (int)month, (int)day);
/* Then return the struct tm contents */
result->tm_year = (int)year - 1900; /* Relative to 1900 */
result->tm_mon = (int)month - 1; /* zero-based */
result->tm_mday = (int)day; /* one-based */
result->tm_hour = (int)hour;
result->tm_min = (int)min;
result->tm_sec = (int)sec;
#if defined(CONFIG_TIME_EXTENDED)
result->tm_wday = clock_dayoftheweek(day, month, year);
result->tm_yday = day + clock_daysbeforemonth(result->tm_mon, clock_isleapyear(year));
result->tm_isdst = 0;
#endif
return result;
}
FAR struct tm *gmtime_r(FAR const time_t *timer, FAR struct tm *result)
{
time_t epoch;
time_t jdn;
int year;
int month;
int day;
int hour;
int min;
int sec;
/* Get the seconds since the EPOCH */
epoch = *timer;
sdbg("timer=%d\n", (int)epoch);
/* Convert to days, hours, minutes, and seconds since the EPOCH */
jdn = epoch / SEC_PER_DAY;
epoch -= SEC_PER_DAY * jdn;
hour = epoch / SEC_PER_HOUR;
epoch -= SEC_PER_HOUR * hour;
min = epoch / SEC_PER_MIN;
epoch -= SEC_PER_MIN * min;
sec = epoch;
sdbg("hour=%d min=%d sec=%d\n",
(int)hour, (int)min, (int)sec);
/* Convert the days since the EPOCH to calendar day */
clock_utc2calendar(jdn, &year, &month, &day);
sdbg("jdn=%d year=%d month=%d day=%d\n",
(int)jdn, (int)year, (int)month, (int)day);
/* Then return the struct tm contents */
result->tm_year = (int)year - 1900; /* Relative to 1900 */
result->tm_mon = (int)month - 1; /* zero-based */
result->tm_mday = (int)day; /* one-based */
result->tm_hour = (int)hour;
result->tm_min = (int)min;
result->tm_sec = (int)sec;
return result;
}
