[PATCH 00/21] use portable variadic macros

[Stephen Hemminger]

On Tue, 10 Dec 2024 18:05:30 -0800
Andre Muezerie <andremue at linux.microsoft.com> wrote:

> 1) Use portable variadic macros
> 
> Many places are using a GCC extension related to variadic macros,
> where a name prepends the ellipsis. This results in a warning like
> the one below when compiling the code with MSVC:
> 
> app\test-pmd\testpmd.h(1314): error C2608:
>     invalid token '...' in macro parameter list
> 
> Variadic macros became a standard part of the C language with C99.
> GCC, Clang and MSVC handle them properly.
> 
> The fix is to remove the prefix name (args... becomes ...) and use
> __VA_ARGS__.

Could you add a coccinelle script and/or a checkpatch check to
make sure that there are no new usages of ellipsis arg to deal with?