#define _cleanup_close_pair_ _cleanup_(close_pairp)
_malloc_ _alloc_(1, 2) static inline void *malloc_multiply(size_t a, size_t b) {
- if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
+ if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
return NULL;
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))
+ if (_unlikely_(b != 0 && a > ((size_t) -1) / b))
return NULL;
return memdup(p, a * b);