On Wed, Aug 23, 2023 at 12:23:08AM +0000, Justin Stitt wrote:
> `strncpy` is deprecated for use on NUL-terminated destination strings [1].
>
> A suitable replacement is `strscpy` [2] due to the fact that it
> guarantees NUL-termination on its destination buffer argument which is
> _not_ the case for `strncpy`!
>
> There is likely no bug happening in this case since HL_STR_MAX is
> strictly larger than all source strings. Nonetheless, prefer a safer and
> more robust interface.
>
> It should also be noted that `strscpy` will not pad like `strncpy`. If
> this NUL-padding behavior is _required_ we should use `strscpy_pad`
> instead of `strscpy`.
>
> Link:
> www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings[1]
> Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html
> [2]
> Link: https://github.com/KSPP/linux/issues/90
> Cc: [email protected]
> Signed-off-by: Justin Stitt <[email protected]>
Reviewed-by: Stanislaw Gruszka <[email protected]>
