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Message-ID: <5331d286ceca807bab76587127a9491c807c9a2a.1751823326.git.alx@kernel.org> Date: Sun, 6 Jul 2025 19:37:40 +0200 From: Alejandro Colomar <alx@...nel.org> To: linux-mm@...ck.org, linux-hardening@...r.kernel.org Cc: Alejandro Colomar <alx@...nel.org>, Kees Cook <kees@...nel.org>, Christopher Bazley <chris.bazley.wg14@...il.com>, shadow <~hallyn/shadow@...ts.sr.ht>, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, kasan-dev@...glegroups.com, Dmitry Vyukov <dvyukov@...gle.com>, Alexander Potapenko <glider@...gle.com>, Marco Elver <elver@...gle.com>, Christoph Lameter <cl@...ux.com>, David Rientjes <rientjes@...gle.com>, Vlastimil Babka <vbabka@...e.cz>, Roman Gushchin <roman.gushchin@...ux.dev>, Harry Yoo <harry.yoo@...cle.com>, Andrew Clayton <andrew@...ital-domain.net> Subject: [RFC v2 4/5] array_size.h: Add ENDOF() This macro is useful to calculate the second argument to seprintf(), avoiding off-by-one bugs. Cc: Kees Cook <kees@...nel.org> Cc: Christopher Bazley <chris.bazley.wg14@...il.com> Signed-off-by: Alejandro Colomar <alx@...nel.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..a743d4ad5911 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 @arr + * @arr: array + */ +#define ENDOF(a) (a + ARRAY_SIZE(a)) + #endif /* _LINUX_ARRAY_SIZE_H */ -- 2.50.0
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