/* Copyright (C) 2023 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ /* ISO C23: 7.20 Checked Integer Arithmetic . */ #ifndef _STDCKDINT_H #define _STDCKDINT_H #define __STDC_VERSION_STDCKDINT_H__ 202311L #define ckd_add(r, a, b) ((_Bool) __builtin_add_overflow (a, b, r)) #define ckd_sub(r, a, b) ((_Bool) __builtin_sub_overflow (a, b, r)) #define ckd_mul(r, a, b) ((_Bool) __builtin_mul_overflow (a, b, r)) /* Allow for the C library to add its part to the header. */ #if !defined (_LIBC_STDCKDINT_H) && __has_include_next () # include_next #endif #endif /* stdckdint.h */