include/linux/overflow.h

24  * overflow checkers only almost work for _Bool, but that's
51 static inline bool __must_check __must_check_overflow(bool overflow)
53 	return unlikely(overflow);
57  * check_add_overflow() - Calculate addition with overflow checking
103  * check_sub_overflow() - Calculate subtraction with overflow checking
149  * check_mul_overflow() - Calculate multiplication with overflow checking
179  * check_shl_overflow() - Calculate a left-shifted value and check overflow
234  * Returns: true if overflow can occur, false otherwise.
248  * first argument. If this value would not overflow into an assignment
263  * with any overflow causing the return value to be SIZE_MAX. The
282  * with any overflow causing the return value to be SIZE_MAX. The
301  * with any overflow causing the return value to be SIZE_MAX. For
325  * overflow.
338  * overflow.
352  * Return: number of bytes needed or SIZE_MAX on overflow.
368  * Return: number of bytes needed or SIZE_MAX on overflow.
386  * Return: number of bytes needed or SIZE_MAX on overflow.