Date: Tue, 22 May 2018 22:14:17 -0700 From: Eitan Adler <lists@eitanadler.com> To: Warner Losh <imp@bsdimp.com> Cc: Garrett Wollman <wollman@csail.mit.edu>, FreeBSD Standards <freebsd-standards@freebsd.org> Subject: Re: gmtime is not POSIX compliant due to leap seconds Message-ID: <CAF6rxgndr7AGeuZFSGf%2BS4anYD_izwWDLT=U=TNHJkfGJDKkXQ@mail.gmail.com> In-Reply-To: <CANCZdfqHDU%2BKm7hTqZoUQr%2BRC50Z2x2wARgqQvE4kseXqcB_wQ@mail.gmail.com> References: <CAF6rxgk5LKy8%2BXFc2yUY-ROmW=XZ500EStf-B9qi5qdGZ=Eh8g@mail.gmail.com> <091FB496-1C89-4146-8EFB-8D43FD0F7C0F@csail.mit.edu> <CANCZdfqHDU%2BKm7hTqZoUQr%2BRC50Z2x2wARgqQvE4kseXqcB_wQ@mail.gmail.com>
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On 20 May 2018 at 11:14, Warner Losh <imp@bsdimp.com> wrote: > On Sun, May 20, 2018 at 11:18 AM, Garrett Wollman <wollman@csail.mit.edu> > wrote: > >> On May 20, 2018 1:08:13 PM EDT, Eitan Adler <lists@eitanadler.com> wrote: >> > This means that gmtime ought not to be affected by leap seconds. >> >> If you are getting leap-second adjustments, then you are using a >> nonstandard build of the data files with that feature enabled. Don't do >> that if POSIX behavior is what you want. FWIW one thing did come out of this: the functions posix2time and its inverse are not in any header. https://reviews.freebsd.org/D15530 fixes this, but am not certain about hiding it behind _BSD_VISIBLE. -- Eitan Adler
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