Word size assumptions
Eric S. Raymond
esr at thyrsus.com
Sun Sep 25 12:43:18 UTC 2016
Daniel Franke <dfoxfranke at gmail.com>:
> On 9/24/16, Hal Murray <hmurray at megapathdsl.net> wrote:
> > There is also libntp/ntp_calendar.c
> > It's used all over the place, mostly for simple date/time conversions, I
> > think, for example for setting up the names for log files. I expect some of
> > it could be POSIXified. It's also tangled up with leap seconds.
> It's tangled up with leap seconds because leap seconds take effect at
> the end of the current month. On systems with an ntp_adjtime() syscall
> that part is handled in the kernel but everywhere else it needs to be
> dealt with in userspace. So you can either keep that code around or
> switch to using POSIX broken-down time.
That second alternative had occurred to me and would be a good thing to do.
I think I'll add a to-do item to see how many calendar-code calls we can get
rid of in general - that stuff is *nasty*.
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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