On Tuesday 12 July 2016, Sami Kerola wrote: > On 12 July 2016 at 15:23, Ruediger Meier <sweet_f_a@xxxxxx> wrote: > > On Tuesday 12 July 2016, Sami Kerola wrote: > >> On 11 July 2016 at 21:23, J William Piggott <elseifthen@xxxxxxx> > > > > wrote: > >> > We use mktime(3) for portability. > >> > > >> > http://www.gnu.org/software/libc/manual/html_mono/libc.html#inde > >> >x-t imegm > >> > > >> > Portability note: mktime is essentially universally available. > >> > timegm is rather rare. For the most portable conversion from a > >> > UTC broken-down time to a simple time, set the TZ environment > >> > variable to UTC, call mktime, then set TZ back. > >> > >> I don't think hwclock(8) is portable. It has ioctl(2) calls, and > >> such. > > > > But there are non-gnu libc's for Linux. > > Fair point, but can you name one that does not have timegm(). > > https://github.com/cloudius-systems/musl/blob/master/src/time/timegm. >c https://github.com/ensc/dietlibc/blob/master/libugly/timegm.c > http://www.uclibc-ng.org/browser/uclibc-ng/libc/misc/time/timegm.c?or >der=name Yep, also musl has timegm. But at least it's good that William reminded us to check that! :) cu, Rudi -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
