Re: [rrd-users] C API?

Cool, thanks Travis,

Yes I have worked out all of this.

I am pleased now it is working - so now am just learning how to use the
various rrdtool methods.

Cheers
Mark



Travis Spencer wrote:
>
> On 2/6/07, Mark Easton <mark.easton@azurebell.co.nz> wrote:
>> Gosh the C api is a closely guarded secret it seems.
>
> I wouldn't say that. Almost everything that you need to know is at
> http://oss.oetiker.ch/rrdtool/doc/index.en.html. The only real
> secrets have been discussed on this and the developer list before.
> This is what I've picked up:
>
> 1. Free any double pointers you pass into RRD upon success
> 2. Lock other threads out before calling any of RRD's function if
> you're running in a multithreaded environment and calling a
> non-reentrant version of an RRD function
> 3. Clear optint, opterr, and call rrd_clear_error before invoking an
> RRD function
> 4. All RRD functions return a non-zero value on failure and zero upon
> success.
> 5. You can call rrd_test_error to find out more when something goes wrong.
> 6 Ask here if you get stuck ;-)
>
> Did I miss any?
>
> See
> https://lists.oetiker.ch/pipermail/r...ly/001729.html
> for a few more details. Also, I would suggest that you subscribe to
> the lists with a gmail account or something, so you can search them
> easily. (That's what I do anyway.)
>
> Happy hacking, Mark.
>
> --
>
> Regards,
>
> Travis Spencer
>
> _______________________________________________
> rrd-users mailing list
> rrd-users@lists.oetiker.ch
> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
>
>

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