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#undef _Alignas
24#define _Alignas alignas
25
26#undef _Static_assert
27#define _Static_assert static_assert
28
29#undef _Alignof
30#define _Alignof alignof
31
32#undef _Thread_local
33#define _Thread_local thread_local
34
35#undef __NOEXCEPT
36#define __NOEXCEPT noexcept
37
38#else // not __cplusplus
39
40#undef __BEGIN_C_DECLS
41#define __BEGIN_C_DECLS
42
43#undef __END_C_DECLS
44#define __END_C_DECLS
45
46#undef __restrict
47#define __restrict restrict // C99 and above support the restrict keyword.
48
49#undef __NOEXCEPT
50#define __NOEXCEPT
51
52#endif // __cplusplus
53
54#endif // LLVM_LIBC_COMMON_H
55

source code of libc/include/__llvm-libc-common.h