zdump - where is it?
Jakub Jelinek
jakub at redhat.com
Sat Mar 3 07:43:00 UTC 2007
On Fri, Mar 02, 2007 at 06:56:12PM -0500, Bill Rugolsky Jr. wrote:
> Thanks, Jakub -- I was a bit concerned when I couldn't rebuild Rawhide
> tzdata, even on FC6, due to the 64-bit changes.
Those are fully backwards compatible - zic just now adds 2 new sections
to the file after the standard 32-bit header+tables, a 64-bit header+tables
and an POSIX TZ env string for the last rule if any. All older readers
don't care about whether the file ends at the end of the 32-bit tables
or not, the header contains all needed sizes. And newer readers are able
to use 64-bit tables or POSIX TZ env string if available, but can read
just the 32-bit tables if that's all that is present.
Jakub
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