Eli Zaretskii <eliz@gnu.org> schrieb am Fr., 20. Nov. 2015 um 11:11 Uhr:

> > From: Philipp Stephani <p.stephani2@gmail.com>
> > Date: Thu, 19 Nov 2015 23:55:57 +0000
> > Cc: emacs-devel@gnu.org
> >
> > Modules cannot (legally) call xmalloc. They need to obtain memory using
> malloc
> > or any other standard function.
>
> How is calling malloc different from calling xmalloc?  Neither is in
> the interface defined in emacs-module.h, right?
>

malloc is a standard C function, xmalloc is an internal Emacs function.


>
> > In general, modules cannot call any functions except those declared
> > in emacs-module.h.
>
> Can they call functions from external libraries?  (I thought allowing
> that was one of the main design goals.)  If so, what's the difference?
>

yes, sorry, I was being sloppy. Modules cannot call any Emacs C functions
except those declared in emacs-module.h. Of course they can call arbitrary
other library functions.