xref: /llvm-project/libcxx/include/stdbool.h (revision b9a2658a3e8bd13b0f9e7a8a440832a95b377216)
1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef _LIBCPP_STDBOOL_H
11 #define _LIBCPP_STDBOOL_H
12 
13 /*
14     stdbool.h synopsis
15 
16 Macros:
17 
18     __bool_true_false_are_defined
19 
20 */
21 
22 #if defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
23 #  include <__cxx03/stdbool.h>
24 #else
25 #  include <__config>
26 
27 #  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
28 #    pragma GCC system_header
29 #  endif
30 
31 #  if __has_include_next(<stdbool.h>)
32 #    include_next <stdbool.h>
33 #  endif
34 
35 #  ifdef __cplusplus
36 #    undef bool
37 #    undef true
38 #    undef false
39 #    undef __bool_true_false_are_defined
40 #    define __bool_true_false_are_defined 1
41 #  endif
42 #endif // defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
43 
44 #endif // _LIBCPP_STDBOOL_H
45