[tz] zdump broken with latest Cairo changes?

[Dave Rolsky]

Here's a snippet of "zdump -v Africa/Cairo" with the latest changes:

Africa/Cairo  Thu Apr 29 21:59:59 2038 UT = Thu Apr 29 23:59:59 2038 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Apr 29 22:00:00 2038 UT = Fri Apr 30 01:00:00 2038 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Sep 23 20:59:59 2038 UT = Thu Sep 23 23:59:59 2038 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Sep 23 21:00:00 2038 UT = Thu Sep 23 23:00:00 2038 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Apr 28 21:59:59 2039 UT = Thu Apr 28 23:59:59 2039 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Apr 28 22:00:00 2039 UT = Fri Apr 29 01:00:00 2039 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Sep 15 20:59:59 2039 UT = Thu Sep 15 23:59:59 2039 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Sep 15 21:00:00 2039 UT = Thu Sep 15 23:00:00 2039 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Oct 20 21:59:59 2039 UT = Thu Oct 20 23:59:59 2039 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Oct 20 22:00:00 2039 UT = Fri Oct 21 01:00:00 2039 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Oct 27 20:59:59 2039 UT = Thu Oct 27 23:59:59 2039 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Oct 27 21:00:00 2039 UT = Thu Oct 27 23:00:00 2039 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Apr 26 21:59:59 2040 UT = Thu Apr 26 23:59:59 2040 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Apr 26 22:00:00 2040 UT = Fri Apr 27 01:00:00 2040 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Sep  6 20:59:59 2040 UT = Thu Sep  6 23:59:59 2040 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Sep  6 21:00:00 2040 UT = Thu Sep  6 23:00:00 2040 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Oct 11 21:59:59 2040 UT = Thu Oct 11 23:59:59 2040 EET 
isdst=0 gmtoff=7200
Africa/Cairo  Thu Oct 11 22:00:00 2040 UT = Fri Oct 12 01:00:00 2040 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Oct 25 20:59:59 2040 UT = Thu Oct 25 23:59:59 2040 EEST 
isdst=1 gmtoff=10800
Africa/Cairo  Thu Oct 25 21:00:00 2040 UT = Thu Oct 25 23:00:00 2040 EET 
isdst=0 gmtoff=7200

Note that things seem to be fine up to 2038, but then after that it 
reports 6+ transitions a year for the region.

This looks like a bug to me, and my Perl tools that parse the files still 
come up with just 2 transitions per year.


Cheers,

-dave

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