time zone problems

[Erez D]

thanks

On Sun, Mar 29, 2009 at 8:22 PM, Oron Peled <oron at actcom.co.il> wrote:

> (oops, the mailing list wasn't addressed in previous copy).
>
> Erez:
> > struct tm time_str;
> > ...
> > int d=timegm(&time_str)-timelocal(&time_str);
> > printf("%d\n",d);
> >
> >
> > prints 7200 (which is 2*3600 -> two hours).
> >
> >
> > any idea ?
> > or in in other words, how the f@#k i get the offset from GMT c-code ?
>
> glibc-specific solution is easy:
>
>        struct tm       *tm;
>        time_t          t;
>
>        t = time(NULL);
>        tm = localtime(&t);
>        printf("OFF=%ld\n", tm->tm_gmtoff);
>
> My system output:
>        OFF=10800 # this is 3 hours
>
>
> --
> Oron Peled                                 Voice: +972-4-8228492
> oron at actcom.co.il                  http://www.actcom.co.il/~oron<http://www.actcom.co.il/%7Eoron>
> "Simplicity is prerequisite for reliability."
>                        -- Edsger Wybe Dijkstra
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.cs.huji.ac.il/pipermail/linux-il/attachments/20090330/20c45c00/attachment.html>