https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80409
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |documentation, easyhack
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-08-01
CC| |egallager at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to jos...@codesourcery.com from comment #3)
> On Wed, 12 Apr 2017, pascal_cuoq at hotmail dot com wrote:
>
> > Since the open-source world divides the C compilation platform described by
> > the C standard into C compilers (Clang, GCC) and standard libraries (Glibc,
> > musl, ...), with the implementation of varargs on the compiler side and the
> > implementation of scanf on the standard library side, it would make sense to
> > document that on target platforms where the representation of pointers is
> > uniform, the compilers allow va_arg(ap, void*) to consume any pointer
> > argument.
>
> Note that this is documented in POSIX (XSI-shaded, in the specification of
> stdarg.h).
So in that case it should be easy to just put a reference to the POSIX docs in
the GCC docs
