#ifndef LIGHTNING_OVERFLOWS_H #define LIGHTNING_OVERFLOWS_H #include "config.h" static inline bool add_overflows_size_t(uint64_t a, uint64_t b) { return (size_t)a != a || (size_t)b != b || (a + b) < (size_t)a; } static inline bool add_overflows_u64(uint64_t a, uint64_t b) { return (a + b) < a; } #endif /* LIGHTNING_OVERFLOWS_H */