Attribute for custom memset function

[NightStrike]

On Mon, Sep 8, 2025, 03:47 Chris Packham via Gcc <gcc@gcc.gnu.org> wrote:

> Hi GCC,
>
> For various reasons I find myself working with a few code bases that define
> their own wrappers for memset(). Unfortunately these wrappers defeat gccs
> ability to detect when the size of the pointer is passed instead of the
> size of the pointed to object.
>
> Is there any attribute I can set on the memset like functions that will let
> gcc know to perform the same kinds of checks as the standard memset
> function?
>
> Thanks,
> Chris
>

Would nonnull_if_nonzero help?

>