[PATCH 06/15] cdefs.h: Add clang fortify directives

[Joseph Myers]

On Thu, 21 Dec 2023, Adhemerval Zanella wrote:

> +#  define __fortify_function_error_function static __attribute__((unused))

> +#  define __fortify_clang_pass_object_size_n(n) \
> +  __attribute__ ((pass_object_size (n)))

> +#  define __fortify_clang_pass_dynamic_object_size_n(n) \
> +  __attribute__ ((pass_dynamic_object_size (n)))

I'd expect these to use implementation-namespace macro names __unused__, 
__pass_object_size__, __pass_dynamic_object_size__; _FORTIFY_SOURCE 
shouldn't use extra names from the user's namespace, regardless of what 
compiler is used.

-- 
Joseph S. Myers
joseph@codesourcery.com