beware of dumpOSC (was Re: [OSC_dev] No dumpOSC output in pipe in non-interactive terminal)

[Torsten Anders]

Dear IOhannes,

Thanks for sharing this issue. Just for my information: Pd's  
[unpackOSC] uses code from dumpOSC?

Best
Torsten

On Sep 8, 2007, at 8:32 PM, IOhannes m zmoelnig wrote:
> hi
>
> Stephen Sinclair wrote:
>> Looking at the dumpOSC.c source file, there is nothing special
>
> apart from the fact that dumpOSC uses some pointer casting magic.
> this seriously screws up, when you just use the code in a naive way  
> and
> turn on compiler optimization.
> (gcc>=3.0 and "-fstrict-alignment" cannot be used in conjunction with
> pointer reinterpret casts)
> i just recently discovered this problem in one of Pd's
> OSC-implementations [1], which is basically a copy'n'paste of dumpOSC.
>
> if you want to use dumpOSC code and use compiler optimization at the
> same time, you should fix this e.g. by explicitely using unions.
>
>
> mmfga.sdr
> IOhannes
>
>
> [1] see
> http://sourceforge.net/tracker/index.php? 
> func=detail&aid=1788587&group_id=55736&atid=478070
> for my troubles...
> _______________________________________________
> OSC_dev mailing list
> OSC_dev at create.ucsb.edu
> http://www.create.ucsb.edu/mailman/listinfo/osc_dev

--
Torsten Anders
Interdisciplinary Centre for Computer Music Research
University of Plymouth
http://strasheela.sourceforge.net
http://www.torsten-anders.de