[CM] incompatible pointer type warnings

[Iain Duncan]

Ah thanks Woody, that makes sense. Prior to this it had been a long time
since I'd done any C, guess I should reread some of my C books more
closely!

Thanks for the help,
iain



On Wed, May 20, 2020 at 4:03 AM Woody Douglass <
wdouglass at carnegierobotics.com> wrote:

> Iain,
>
> Try this:
>
> t_max_err s7_obj_to_max_atom(s7_scheme *s7, s7_pointer s7_obj, t_atom
> *atom){
>     if( s7_is_boolean(s7_obj) ){
>         atom_setlong(atom, (int)s7_boolean(s7, s7_obj));
>     }
>
> s7_pointer is already a pointer, it doesn't need to be `s7_pointer *obj`
> in the signature.
>
>
> On 2020-05-19 22:22:17-04:00 cmdist-bounces at ccrma.Stanford.EDU wrote:
>
> Hi Bill and others, I'm trying to clean up the torrent of warnings my
> project is producing in Xcode now that it's pretty big, and this one has me
> stumped. here's a snippet of working code:
>
> t_max_err s7_obj_to_max_atom(s7_scheme *s7, s7_pointer *s7_obj, t_atom
> *atom){
>
>     if( s7_is_boolean(s7_obj) ){
>
>         atom_setlong(atom, (int)s7_boolean(s7, s7_obj));
>
>     }
>
>
> I get the following warning for every use of s7_obj like the above:
>
> "Incompatible pointer types passing 's7_pointer *' (aka 'struct s7_cell
> **') to parameter of type 's7_pointer' (aka 'struct s7_cell *');
> dereference with *"
>
>
> If I try letting XCode "fix" it, the compiler things I should be using
> *s7_obj, which of course crashes (had to try it in case I was totally
> misunderstanding...)
>
>
> Is there something I can do to not get this warning, or do I need to
> figure out how to tell xcode to just shut up with that one?
>
>
> thanks!
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://cm-mail.stanford.edu/mailman/private/cmdist/attachments/20200520/881eb413/attachment-0001.html>