Re: Unification of common date/time macros

[David Holland <dholland-tech%netbsd.org@localhost>]

On Tue, Sep 16, 2014 at 01:37:11AM +0200, Kamil Rytarowski wrote:
 > My proposition is to go for a new file src/sys/sys/clock.h. Normalize naming with /usr/include/tzfile.h, then uniformly export the file for reuse across the kernel.
 > 
 > #define SECSPERMIN      60L
 > #define MINSPERHOUR     60L
 > #define HOURSPERDAY     24L
 > #define DAYSPERWEEK     7L
 > #define DAYSPERNYEAR    365L
 > #define DAYSPERLYEAR    366L
 > #define SECSPERHOUR     (SECSPERMIN * MINSPERHOUR)
 > #define SECSPERDAY      (SECSPERHOUR * HOURSPERDAY)
 > #define MONSPERYEAR     12L
 > #define EPOCH_YEAR      1970L
 > 
 > + macros/defines of leap-year macro, weak-of-day etc.
 > 
 > Maybe avoid name-clashes with tzfile.h and go for SECSMIN etc.?
 > 
 > What do you think? Is it worth adding?

Probably, but I'd call it sys/calendar.h. It's not really clock stuff,
in the sense that clock stuff is mostly about ticking seconds.

-- 
David A. Holland
dholland%netbsd.org@localhost