86 lines
3.4 KiB
C
86 lines
3.4 KiB
C
/**
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* Copyright (c) 2017 - 2019, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/** @file sdk_alloca.h
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*
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* @brief Defines alloca() function.
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*
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* @details This file defines alloca() function. This can be done directly or by including system
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* header files. Not all platforms support alloca(). In this case no error will be shown, but
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* SDK_ALLOCA_DEFINED will be set to 0.
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*/
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#ifndef SDK_ALLOCA_H__
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#define SDK_ALLOCA_H__
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#if defined(__SDK_DOXYGEN__)
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/** @brief Set to one it alloca() function is available on this platform and it is correctly defined
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* by this header file.
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*/
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#define SDK_ALLOCA_DEFINED 1
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#elif defined(__GNUC__)
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#if defined(__SES_ARM)
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// SES does not have definition of alloca(), but it have working GCC's __builtin_alloca().
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#if !defined(alloca)
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#define alloca(size) __builtin_alloca((size))
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#endif
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#else
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// alloca() can be defined in <malloc.h> on some platforms, but if not then try standard <alloca.h> header file.
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#include <malloc.h>
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#if !defined(alloca)
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#include <alloca.h>
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#endif
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#endif
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#define SDK_ALLOCA_DEFINED 1
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#elif defined(__IAR_SYSTEMS_ICC__)
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// IAR does not support alloca() function.
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#define SDK_ALLOCA_DEFINED 0
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#else
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// All other supported compilers have alloca() definition in <alloca.h> header file.
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#include <alloca.h>
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#define SDK_ALLOCA_DEFINED 1
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#endif
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/*lint -"d__builtin_alloca=(void*)" */
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#endif // NRF_ALLOCA_H__
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