| 1 | /*===---- stdbool.h - Standard header for booleans -------------------------=== |
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| 2 | * |
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| 3 | * Copyright (c) 2008 Eli Friedman |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 6 | * of this software and associated documentation files (the "Software"), to deal |
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| 7 | * in the Software without restriction, including without limitation the rights |
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| 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 9 | * copies of the Software, and to permit persons to whom the Software is |
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| 10 | * furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice shall be included in |
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| 13 | * all copies or substantial portions of the Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 21 | * THE SOFTWARE. |
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| 22 | * |
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| 23 | *===-----------------------------------------------------------------------=== |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef __STDBOOL_H |
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| 27 | #define __STDBOOL_H |
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| 28 | |
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| 29 | /* Don't define bool, true, and false in C++, except as a GNU extension. */ |
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| 30 | #ifndef __cplusplus |
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| 31 | #define bool _Bool |
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| 32 | #define true 1 |
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| 33 | #define false 0 |
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| 34 | #elif defined(__GNUC__) && !defined(__STRICT_ANSI__) |
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| 35 | /* Define _Bool as a GNU extension. */ |
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| 36 | #define _Bool bool |
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| 37 | #if __cplusplus < 201103L |
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| 38 | /* For C++98, define bool, false, true as a GNU extension. */ |
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| 39 | #define bool bool |
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| 40 | #define false false |
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| 41 | #define true true |
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| 42 | #endif |
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| 43 | #endif |
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| 44 | |
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| 45 | #define __bool_true_false_are_defined 1 |
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| 46 | |
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| 47 | #endif /* __STDBOOL_H */ |
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| 48 | |
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