Hi Alex, Patch is somewhat ready, I will send it once a teammate reviews it. Should be ready by tomorrow. I'd definitely appreciate if Paul checks it too :) On Wed, 15 Feb 2023 at 17:21, Alejandro Colomar <alx.manpages@xxxxxxxxx> wrote: > > Hi Elliott, Almaz, > > On 2/13/23 17:31, enh wrote: > > (given how complex a topic this is -- based on the discussion on the > > tz mailing list -- you might want to send a specific suggestion in the > > form of a patch...) > > Thanks, I agree. This is too complex, and it would be nice to > see a more specific suggestion in the form of a patch. > I CCed Paul, in case he can help. > > Cheers, > > Alex > > > > > On Mon, Feb 13, 2023 at 1:15 AM Almaz Mingaleev <mingaleev@xxxxxxxxxx> wrote: > >> > >> Friendly ping. > >> > >> > >> On Thu, 28 Jul 2022 at 09:16, Almaz Mingaleev <mingaleev@xxxxxxxxxx> wrote: > >>> > >>> Hi Michael, > >>> Current strftime specification in C language standard is not accurate. > >>> It tells that tm_isdst is enough to find out time zone's offset. But > >>> that's not true, for example Europe/Lisbon has changed [0] its > >>> standard offset from 00:00 to 01:00 and back to 00:00, so an exact > >>> date is needed to answer that. > >>> > >>> To get correct answer with the current glibc tm struct should either > >>> come from localtime or there should be a mktime call prior to > >>> strftime. You can find a repro example and discussion here [1]. Paul > >>> Eggert has proposed a fix to C standard [2]. > >>> > >>> Should man pages reflect that i.e. mention that there should be > >>> localtime/mktime calls for %z and %Z? > >>> > >>> Thanks, > >>> Almaz > >>> > >>> P.S. I am resending the email. My previous attempt was bounced back as > >>> it wasn't TEXT/PLAIN. > >>> > >>> [0] https://github.com/eggert/tz/blob/a249a0c64b2f87a24c7f1aab43056fb597c95b96/europe#L2400 > >>> [1] https://mm.icann.org/pipermail/tz/2022-July/031668.html > >>> [2] https://mm.icann.org/pipermail/tz/2022-July/031674.html > > -- > <http://www.alejandro-colomar.es/> > GPG key fingerprint: A9348594CE31283A826FBDD8D57633D441E25BB5
