| 1 | /* Copyright (C) 1992-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #ifndef _ALLOCA_H |
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| 19 | #define _ALLOCA_H 1 |
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| 20 | |
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| 21 | #include <features.h> |
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| 22 | |
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| 23 | #define __need_size_t |
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| 24 | #include <stddef.h> |
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| 25 | |
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| 26 | __BEGIN_DECLS |
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| 27 | |
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| 28 | /* Remove any previous definition. */ |
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| 29 | #undef alloca |
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| 30 | |
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| 31 | /* Allocate a block that will be freed when the calling function exits. */ |
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| 32 | extern void *alloca (size_t __size) __THROW; |
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| 33 | |
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| 34 | #ifdef __GNUC__ |
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| 35 | # define alloca(size) __builtin_alloca (size) |
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| 36 | #endif /* GCC. */ |
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| 37 | |
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| 38 | __END_DECLS |
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| 39 | |
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| 40 | #endif /* alloca.h */ |
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| 41 | |
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