Re: What does mktime return????

[Grant Gainey <ggainey@xxxxxxxxxx>]

On Wed, Dec 18, 2019 at 1:46 PM John Pilkington <johnpilk222@xxxxxxxxx> wrote:

On 18/12/2019 15:12, Mark C. Allman wrote:
>
> The month value range is 0 to 11, not 1 to 12.  You're calculating
> 12/30/2019 at 23:59:59 to 01/01/2020 at 00:00:00, or 86401 seconds.
>

This is in accord with 'man mktime' but it's certainly a trap for the
unwary.  Calendar days are treated normally, but not months.  I wonder
how many space probes have strayed or contracts misfired...

There are two hard things in computer science: cache invalidation, naming things, and off-by-one errors. :)

 G

--

Grant Gainey

Principal Software Engineer, Red Hat System Management Engineering

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