[PD] canvas_makefilename() returns error

[Jaime E Oliver via Pd-list]

Yes, 

in the main struct x_canvas is created as:

t_canvas *x_canvas;

So, I think that is not the problem.

J



On Jun 29, 2014, at 8:00 PM, Jonathan Wilkes <jancsika at yahoo.com> wrote:

> Well, it expects a t_canvas *, so if you send it something else it will trigger the error.
> 
> -Jonathan
> 
> 
> On Sunday, June 29, 2014 8:47 PM, Jaime E Oliver via Pd-list <pd-list at lists.iem.at> wrote:
> 
> 
> Hi all, 
> 
> I am trying to use the canvas_makefilename() function in g_canvas.c
> 
> I am calling it like this: 
> 
> static void lilypond_write(t_lilypond *x, t_symbol *s) {
>     char buf[MAXPDSTRING];
>     canvas_makefilename(x->x_canvas, s->s_name, buf, MAXPDSTRING);
> }
> 
> but when I send the object a message such as [write test.txt( or similar, I get:
> 
> error: consistency check failed: canvas_getenv
> Bus error: 10
> 
> The method is set up like this:
>     class_addmethod(lilypond_class, (t_method)lilypond_write, gensym("write"), A_SYMBOL, 0);
> 
> Anybody has any suggestion?
> 
> best,
> 
> J
> 
> PS Sorry for pestering everyone with this, but there is little documentation on some of the functions in Pd. Perhaps this thread belong in the Pd-Dev list?
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