in src/win32/dt_win32.c [220:229]
dt_status_t dt_posix_time_to_timestamp(time_t time, unsigned long nano_second, dt_timestamp_t *result)
{
if (!result || time == -1) {
return DT_INVALID_ARGUMENT;
}
result->second = (long)time;
result->nano_second = nano_second;
return DT_OK;
}