On Sat, Feb 11, 2023 at 07:51:27AM -0800, Richard Cochran wrote:
> On Wed, Feb 01, 2023 at 04:52:15PM +0100, Miroslav Lichvar wrote:
>
> > > + if (next) {
> > > + atop.jumpSeconds = next->local_tai_offset -
> > > tz->local_tai_offset;
> > > + atop.timeOfNextJump.seconds_lsb = next->timestamp;
> > > + }
> >
> > Is this intentionally not setting the _msb field, ignoring distant future?
>
> Yes, it is intentional. The LSB is 32 bits of seconds, so the range is
>
> (/ (/ (/ 4294967295 3600) 24) 365) = 136 years
>
> It is hard for me to understand why a time zone should change more
> that one year in the future from a given date?
Isn't timeOfNextJump an absolute time, i.e. will it not overflow 136
years after the epoch?
--
Miroslav Lichvar
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