This macro is useful to calculate the second argument to sprintf_end(), avoiding off-by-one bugs.
Cc: Kees Cook <k...@kernel.org> Cc: Christopher Bazley <chris.bazley.w...@gmail.com> Cc: Rasmus Villemoes <li...@rasmusvillemoes.dk> Cc: Marco Elver <el...@google.com> Cc: Michal Hocko <mho...@suse.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Al Viro <v...@zeniv.linux.org.uk> Signed-off-by: Alejandro Colomar <a...@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 */ -- 2.50.0
