mktime() output not the same as the date utility

[Jeremy Chadwick]

On Tue, Oct 14, 2008 at 12:43:54PM -0400, Mark B. wrote:
> I can't figure out from the man pages why
> mktime() is giving a different result than date -f.
> Both strptime and mktime are supposed to use the
> local timezone, as does date.
> 
> The output of date is correct; mktime() is an hour later.
>
> What am I missing here?

I'm betting it's due to DST

I believe you have to do the math yourself if tm_isdst is non-zero.
Otherwise, consider using functions like ctime() and others (which are
also POSIX compliant).

-- 
| Jeremy Chadwick                                jdc at parodius.com |
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