Date: Fri, 26 Oct 2012 14:00:27 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: Re: localtime() isn't local * Yoran Heling <info@...hel.nl> [2012-10-26 10:34:06 +0200]: > Ah, I didn't realize that the use of /etc/localtime wasn't part of > POSIX. I don't have a TZ variable set, so that explains the output. > TZ=CEST didn't work, but TZ=CEST-2 did the trick. > > This is quite a bummer, though. I use musl to create static binaries for > Linux, and every glibc-based distribution (i.e. the vast majority) uses > /etc/localtime rather than the TZ variable. :-( > i guess you can hack the implementation at http://cs.ucla.edu/~eggert/tz/tz-link.htm into musl note that after a quick look at the impementation it does not seem to be entirely correct it invokes undefined behaviour with signed shift in its decoder of the binary tz data (this is usual in old code, but bad) they assume that read returns "enough" data (which is not guaranteed by posix and it might not be true on certain filesystems) etc glibc seems to have its own implementation that's even uglier..
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