[PD-dev] Re: accessing canvas-local path from an external?
Hans-Christoph Steiner
hans at eds.org
Thu Nov 23 15:17:41 CET 2006
Since I figured this out, I thought I'd reply to my own message.
Basically, I didn't realize that the canvas variable could have been
NULL. That's what was happening. Now I am testing for NULL, and
things seem promising.
.hc
On Nov 20, 2006, at 12:47 AM, Hans-Christoph Steiner wrote:
>
> I am trying to write a loader to support libdirs in Pd-0.40. I
> would like to use the new ce_path (i.e. canvas-local path), but I
> can't find a way to access and change it from an external.
>
> I tried using the t_canvas pointer that the loader gets from Pd
> when it gets called, then directly accessing the namelist (canvas-
> >gl_env->ce_path) but that caused a crash. Then I tried getting a
> t_canvasenvironment with:
>
> t_canvasenvironment *canvasenvironment = canvas_getenv(canvas);
>
> But I get: consistency check failed: canvas_getenv
>
> This loader works fine if it just writes to the global path,
> sys_searchpath, but I would like it to use the new local namespace
> feature. Here's the code:
>
> http://pure-data.cvs.sourceforge.net/pure-data/externals/loaders/
> libdir.c
>
> .hc
>
> ----------------------------------------------------------------------
> --
>
> If you are not part of the solution, you are part of the problem.
>
>
------------------------------------------------------------------------
http://at.or.at/hans/
More information about the Pd-dev
mailing list