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99dee823 | 1 | /* Copyright (C) 1998-2021 Free Software Foundation, Inc. |
fe1dbf6c | 2 | |
e531258e | 3 | This file is part of GCC. |
fe1dbf6c | 4 | |
e531258e | 5 | GCC is free software; you can redistribute it and/or modify |
fe1dbf6c | 6 | it under the terms of the GNU General Public License as published by |
748086b7 | 7 | the Free Software Foundation; either version 3, or (at your option) |
fe1dbf6c ZW |
8 | any later version. |
9 | ||
e531258e | 10 | GCC is distributed in the hope that it will be useful, |
fe1dbf6c ZW |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
748086b7 JJ |
15 | Under Section 7 of GPL version 3, you are granted additional |
16 | permissions described in the GCC Runtime Library Exception, version | |
17 | 3.1, as published by the Free Software Foundation. | |
18 | ||
19 | You should have received a copy of the GNU General Public License and | |
20 | a copy of the GCC Runtime Library Exception along with this program; | |
21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
22 | <http://www.gnu.org/licenses/>. */ | |
fe1dbf6c ZW |
23 | |
24 | /* | |
25 | * ISO C Standard: 7.16 Boolean type and values <stdbool.h> | |
26 | */ | |
27 | ||
28 | #ifndef _STDBOOL_H | |
29 | #define _STDBOOL_H | |
e2b629d7 | 30 | |
c8b313e7 | 31 | #ifndef __cplusplus |
e2b629d7 | 32 | |
19552aa5 | 33 | #define bool _Bool |
40749db7 JM |
34 | #if defined __STDC_VERSION__ && __STDC_VERSION__ > 201710L |
35 | #define true ((_Bool)+1u) | |
36 | #define false ((_Bool)+0u) | |
37 | #else | |
19552aa5 JM |
38 | #define true 1 |
39 | #define false 0 | |
40749db7 | 40 | #endif |
f84300c4 | 41 | |
c8b313e7 ML |
42 | #else /* __cplusplus */ |
43 | ||
fbee6d31 | 44 | /* Supporting _Bool in C++ is a GCC extension. */ |
c8b313e7 | 45 | #define _Bool bool |
fbee6d31 | 46 | |
c8b313e7 ML |
47 | #endif /* __cplusplus */ |
48 | ||
e2b629d7 JL |
49 | /* Signal that all the definitions are present. */ |
50 | #define __bool_true_false_are_defined 1 | |
51 | ||
52 | #endif /* stdbool.h */ |