This is similar to malloc_multiply() and friends. It is realloc() with a
multiplication-overflow check.
return malloc(a * b);
}
+_alloc_(2, 3) static inline void *realloc_multiply(void *p, size_t a, size_t b) {
+ if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
+ return NULL;
+
+ return realloc(p, a * b);
+}
+
_alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t a, size_t b) {
if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
return NULL;