[tz] How to force zic output to TZIF?

Johan Kohler johan.kohler at gmail.com
Tue Apr 3 17:53:01 UTC 2018

Thanks, that sounds promising.


On Tue, Apr 3, 2018 at 7:46 PM Arthur David Olson <
arthurdavidolson at gmail.com> wrote:

> TZIF2 added 64-bit data to the end of TZIF files; TZIF3 added POSIX-style
> future-use strings to the end of TZIF2 files. In an ideal world, an
> application expecting original TZIF-format files simply ignores the
> trailing data.
>     --ado
> On Tue, Apr 3, 2018 at 1:41 PM, Johan Kohler <johan.kohler at gmail.com>
> wrote:
>> Hi,
>> I have a tz client that expects the tzdata in format TZIF (that's version
>> \nul).  It has become necessary to update the tzdata but it is not feasible
>> to update the client.
>> Is it possible with the current 2018d release to generate output in TZIF
>> format (as opposed to TZIF2 or TZIF3)?  If so, what needs to be modified?
>> If not, what is the suggested approach?
>> Thanks,
>> Johan
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