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b=pCHRPHOz6GD24YpOAuQV/yUfqQ5wNujAhn95TxSXZ4FGZPAMDFYOH+YXnBlOlC1Pt oDqEgUjasc0gBr8iT445mPvy2THnXqGNyJ8ql5XYutgB3tn8cM10ZsLkJHiPb9JCI1 WgUEzz38o2CZhOGjxKIUKgzEHVGpgLhB3+xD47EpgkoyXOXbiU9PAaIQ0BLkng+B6V gvHqTqvFjoZVCDQqCuxwVF5xFXndhV3T6PxHVIodzEEfK5TJVlnk4nUqjJPYXc49N8 HWIynN4dqD1tq7OhAIcdqTKjtLLDUNi1t03dwctcoKxu1A7R00O5T3JXwCGVMNDCT5 zacvpKsgDNZWg== Date: Thu, 10 Jul 2025 23:31:04 +0200 From: Alejandro Colomar To: linux-mm@kvack.org, linux-hardening@vger.kernel.org Cc: Alejandro Colomar , Kees Cook , Christopher Bazley , shadow <~hallyn/shadow@lists.sr.ht>, linux-kernel@vger.kernel.org, Andrew Morton , kasan-dev@googlegroups.com, Dmitry Vyukov , Alexander Potapenko , Marco Elver , Christoph Lameter , David Rientjes , Vlastimil Babka , Roman Gushchin , Harry Yoo , Andrew Clayton , Rasmus Villemoes , Michal Hocko , Linus Torvalds , Al Viro , Martin Uecker , Sam James , Andrew Pinski Subject: [RFC v5 4/7] array_size.h: Add ENDOF() Message-ID: X-Mailer: git-send-email 2.50.0 References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: 1ysncikug6hytxrnitgooatrawdqrk3k X-Rspamd-Queue-Id: 47F2380002 X-HE-Tag: 1752183072-444664 X-HE-Meta: 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 HfDc5erm 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This macro is useful to calculate the second argument to sprintf_end(), avoiding off-by-one bugs. Cc: Kees Cook Cc: Christopher Bazley Cc: Rasmus Villemoes Cc: Marco Elver Cc: Michal Hocko Cc: Linus Torvalds Cc: Al Viro Signed-off-by: Alejandro Colomar --- 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 */ -- 2.50.0