[LEAPSECS] An example

[Tony Finch]

On 2 Nov 2010, at 20:38, "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:


> In message <20101102202753.GC21438 at ucolick.org>, Steve Allen writes:

>> 

>> 

>> Section A.4.15

>> http://www.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html

>> 

>>   "Note that as a practical consequence of this, the length of a

>>   second as measured by some external standard is not specified."

>> 

>> Is this not the POSIX standard?

> 

> Technically it is not, it is the Open Group standard, but that's not

> material.


It certainly is the current edition of POSIX. However it is a quote from the rationale, which is informative - it does not specify requirements.

The relevant normative text is at http://www.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html#tag_04_15


> There is a difference between "not specified" and "different from".


Yes. The normative text says nothing about the length of a second, though it is implied by the link between time_t and UTC.

Tony.
--
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