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[Libcdio-devel] How do struct tm tm_isdst and tm_gmtoff interact?
From: |
R. Bernstein |
Subject: |
[Libcdio-devel] How do struct tm tm_isdst and tm_gmtoff interact? |
Date: |
Wed, 28 May 2008 23:34:47 -0400 |
Nicolas Boullis and Debian users have noticed problems in iso9660
time/date recording and running the regression tests, specifically I
suppose testiso9660. He has also generously provided some patches.
However from this there is the lingering question of how tm_gmtoff and
tm_isdst interact. Does tm_gmtoff reflect the tm_isdst value if it is
1 or not? (tm_isdt can be -1 which means we don't know, 0 for not in
use or 1 for in use)
A scan of the Internet doesn't seem to elucidate; neither does
looking at manual pages for localtime, etc.
Thanks.
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