Re: [RFC] docs: Define c_paren_attributes for attributes with arguments

From: Kees Cook
Date: Thu Sep 22 2022 - 01:30:34 EST


On Fri, Sep 09, 2022 at 02:08:30PM +0900, Akira Yokosawa wrote:
> Hi Kees,
>
> I expected some responses from Jon, but looks like he's been busy
> elsewhere. Let me chime in.
>
> On Fri, 2 Sep 2022 15:35:07 -0700, Kees Cook wrote:
> > While Sphinx's "c_id_attributes" is needed for basic attributes, any
> > attributes with arguments need to be defined in "c_paren_attributes"
> > to avoid errors like:
> >
> > include/linux/fortify-string.h:116: warning: Function parameter or member '__builtin_strncpy' not described in '__diagnose_as'
> > include/linux/fortify-string.h:116: warning: Function parameter or member '1' not described in '__diagnose_as'
> > include/linux/fortify-string.h:116: warning: Function parameter or member '2' not described in '__diagnose_as'
> > include/linux/fortify-string.h:116: warning: Function parameter or member '3' not described in '__diagnose_as'
>
> These warnings are from ./scripts/kernel-doc.
> So I think you need to teach the script about "__diagnose_as" so that
> the kernel-doc comment of strncpy() can be converted to reST doc
> which Sphinx can understand.

Ah! Thank you, yeah, I couldn't figure out where it was coming from.

> Past changes in ./scripts/kernel-doc might give you some hints.

Yeah, including changes from me for similar things. How quickly I
forgot! :)

Thanks,

-Kees

--
Kees Cook