It's hard to say without seeing the code.

Does x->x_canvas actually point to a canvas?  The error seems to be telling you 
it isn't.

(Consistency check errors come from the bug() function.  Generally they occur 
when an argument, struct, or struct field is checked for existence and fails 
that check.)

-Jonathan

On Sunday, June 29, 2014 9:25 PM, Jaime E Oliver <[email protected]> 
wrote:
 


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 <[email protected]> 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 
><[email protected]> 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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