[PD] external: method to convert t_atom to c string.
Miller Puckette
msp at ucsd.edu
Mon May 20 06:28:05 CEST 2013
Hi Jaime -
If you use A_GIMME the function prototype has to be as in:
void testtext_path(t_testtext *x, t_symbol *s, int argc, t_atom *argv).
cheers
Miller
On Sun, May 19, 2013 at 10:47:20PM -0500, J Oliver wrote:
> Hello all,
>
> I need to create a textfile from inside an external and I need to give the computer a path with a message like:
>
> path /home/path/file.txt
>
> I am therefore creating a method for path with:
>
> class_addmethod(testtext_class, (t_method)testtext_path, gensym("path"), A_GIMME, 0);
>
> Or should I use A_DEFSYMBOL ?
>
> But then how can I read the atom inside the external?
>
> I am using:
>
> void testtext_path(t_testtext *x, t_atom *s){
> char teststring[1000];
> atom_string(s, teststring, 1000);
> post(teststring);
> }
>
> but then I get the following printout:
>
> consistency check failed: atom_string
> 333333@ÿÿÿÿs
>
> I'm not sure where to move with this. anybody has any suggestions?
>
> best,
>
> J
>
> Here's the info for atom_string:
> atom_string
>
> void atom_string(t_atom *a, char *buf, unsigned int bufsize);
> Converts an atom a into a C-string buf. The memory to this char-Buffer has to be reserved manually and its length has to be declared in bufsize.
>
> in: http://pdstatic.iem.at/externals-HOWTO/node9.html#SECTION00092200000000000000
>
>
>
>
>
>
>
>
>
>
>
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
More information about the Pd-list
mailing list