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b=rWb0ois3NFzBE2GH+RlVu3hYmfrQ8fuH3x8CqDoOXTyrtAygWEct/pYcctBP28El1 ILNB5V6cEWR77rM1KuYlyBmvm1YixklNCKOGUBfBcYotD0WfmFe5RySkee6jnmhATa neP0/GQpNkRw+Jr4jLzhY919tGflrBfUXnp24QhRieMEdgMeUpt1g5DSrUR+3nmlwN KFHJdM2tw5uYdzB/0PCOmWoAo8+O9abOVDCNsecIV5T5t6zsXP10OoR+N8MYn+nD3f 9op5UmA4tALDcGD2xd6tJMxA4zyTIh9kJvx9lT2UZgXPNkouxB1VZJLfQc9VPS6Bk1 nkKlmluSCaYDQ== Date: Mon, 7 Jul 2025 07:06:13 +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 Subject: [RFC v3 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-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: AF9F8140002 X-Stat-Signature: p784neasjfcg3tmjdum1mbretmmnoyjm X-HE-Tag: 1751864776-669611 X-HE-Meta: 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 ir5tL6CD 06B7Sc+glE2WX+edue97StBkWR0zsgJyWryZ7IGDjMZ6npKF3qpCSMIihn4zP+U96aAHPHQ6Sm3G02AseizNR0Xw/sf+rVA8GC3llGHseQR/cQN3GD/3tXSo2Bx/qFqFYi0H0HSBKtNYTCCiCg8dhXp8lgk5E/ocG1PY3tZgu1OWAxwqNvn5A86aQNzeImWm/0Y0hpI+Cby2v91Xn1URy55DUXZMIBR2u/I2yzrMzjPR9X8aBd+X/So7UFB40RT5zzfEi/wVLeX6Pbncy7/28dHI/bIhoj3uzU/AIKN6xsOJN6CyuP3f9JPKxVY0A3l3UbkvqKfxr95N1p4XhzwRJRM6BC1TXP0q1DRZndX3EKYtbuvXGvedGk1mWhrbzJAHuEe1rdsn9JAKdQF0zgGZ6Y1mRTBN5r8dXS3EmQ6ApIrqk+RU= 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 seprintf(), avoiding off-by-one bugs. Cc: Kees Cook Cc: Christopher Bazley 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