On Thu, Sep 25, 2025 at 03:20:37PM +0200, Alejandro Colomar wrote:
> This macro is useful to calculate the second argument to
> sprintf_trunc_end(), avoiding off-by-one bugs.
D'oh! This commit message needs updating. Please amend with:
This macro is useful to calculate the end of an array (that is,
a pointer to one after its last element), avoiding off-by-one
bugs.
Cheers,
Alex
>
> Cc: Kees Cook <kees@kernel.org>
> Cc: Christopher Bazley <chris.bazley.wg14@gmail.com>
> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
> Cc: Marco Elver <elver@google.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Al Viro <viro@zeniv.linux.org.uk>
> Signed-off-by: Alejandro Colomar <alx@kernel.org>
> Message-ID: <37b1088dbd01a21d2f9d460aa510726119b3bcb0.1752193588.git.alx@kernel.org>
> ---
> include/linux/array_size.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/include/linux/array_size.h b/include/linux/array_size.h
> index 06d7d83196ca..781bdb70d939 100644
> --- a/include/linux/array_size.h
> +++ b/include/linux/array_size.h
> @@ -10,4 +10,10 @@
> */
> #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
>
> +/**
> + * ENDOF - get a pointer to one past the last element in array @a
> + * @a: array
> + */
> +#define ENDOF(a) (a + ARRAY_SIZE(a))
> +
> #endif /* _LINUX_ARRAY_SIZE_H */
> --
> 2.51.0
>
--
<https://www.alejandro-colomar.es>
Use port 80 (that is, <...:80/>).