1 //===-- Common definitions for LLVM-libc public header files --------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC___COMMON_H 10 #define LLVM_LIBC___COMMON_H 11 12 #ifdef __cplusplus 13 14 #undef __BEGIN_C_DECLS 15 #define __BEGIN_C_DECLS extern "C" { 16 17 #undef __END_C_DECLS 18 #define __END_C_DECLS } 19 20 #undef _Noreturn 21 #define _Noreturn [[noreturn]] 22 23 #else // not __cplusplus 24 25 #undef __BEGIN_C_DECLS 26 #define __BEGIN_C_DECLS 27 28 #undef __END_C_DECLS 29 #define __END_C_DECLS 30 31 #undef __restrict 32 #define __restrict restrict // C99 and above support the restrict keyword. 33 34 #endif // __cplusplus 35 36 #endif // LLVM_LIBC___COMMON_H 37