RTEMS | Cannot obtain dates later than 2100 (!339)

[Gedare Bloom (@gedare)]

Gedare Bloom started a new discussion on cpukit/rtems/src/clockgettod.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/339#note_119623

 > -  year = ( days / RTEMS_DAYS_PER_YEAR ) + RTEMS_YEAR_BASE;
 > -
 > -  /* Determine the number of leap years. */
 > -  leap_years = _Leap_years_between( RTEMS_YEAR_BASE, year );
 > -
 > -  /* Adjust the remaining number of days based on the leap years. */
 > -  year_days = ( days - leap_years ) % RTEMS_DAYS_PER_YEAR;
 > -
 > -  /* Adjust the year and days in the year if in the leap year overflow. */
 > -  if ( leap_years > ( days % RTEMS_DAYS_PER_YEAR ) ) {
 > -    year -= 1;
 > -    if ( _Leap_year( year ) ) {
 > -      year_days += 1;
 > -    }
 > -  }
 > +  current_time_tm = gmtime_r( &now.tv_sec, &buf );

@joel it looks like newlib's `gmtime_r` never errors out, so this is ok. But should we add an assert here? `_Assert( current_time_tm != NULL )`

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/339#note_119623
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