[rrd-users] C API?

[Mark Easton]

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 at 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/rrd-developers/2006-July/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 at lists.oetiker.ch
> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
> 
> 

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