55 #define check_add_overflow(a, b, d) ({		\  argument
57 	typeof(b) __b = (b);			\
64 #define check_sub_overflow(a, b, d) ({		\  argument
66 	typeof(b) __b = (b);			\
73 #define check_mul_overflow(a, b, d) ({		\  argument
75 	typeof(b) __b = (b);			\
86 #define __unsigned_add_overflow(a, b, d) ({	\  argument
88 	typeof(b) __b = (b);			\
95 #define __unsigned_sub_overflow(a, b, d) ({	\  argument
97 	typeof(b) __b = (b);			\
107 #define __unsigned_mul_overflow(a, b, d) ({		\  argument
109 	typeof(b) __b = (b);				\
135 #define __signed_add_overflow(a, b, d) ({	\  argument
137 	typeof(b) __b = (b);			\
151 #define __signed_sub_overflow(a, b, d) ({	\  argument
153 	typeof(b) __b = (b);			\
178 #define __signed_mul_overflow(a, b, d) ({				\  argument
180 	typeof(b) __b = (b);						\
193 #define check_add_overflow(a, b, d)					\  argument
195 			__signed_add_overflow(a, b, d),			\
196 			__unsigned_add_overflow(a, b, d))
198 #define check_sub_overflow(a, b, d)					\  argument
200 			__signed_sub_overflow(a, b, d),			\
201 			__unsigned_sub_overflow(a, b, d))
203 #define check_mul_overflow(a, b, d)					\  argument
205 			__signed_mul_overflow(a, b, d),			\
206 			__unsigned_mul_overflow(a, b, d))
253 static inline __must_check size_t array_size(size_t a, size_t b)  in array_size()  argument
257 	if (check_mul_overflow(a, b, &bytes))  in array_size()
275 static inline __must_check size_t array3_size(size_t a, size_t b, size_t c)  in array3_size()  argument
279 	if (check_mul_overflow(a, b, &bytes))  in array3_size()
291 static inline __must_check size_t __ab_c_size(size_t a, size_t b, size_t c)  in __ab_c_size()  argument
295 	if (check_mul_overflow(a, b, &bytes))  in __ab_c_size()