mirror of
https://github.com/espressif/openthread.git
synced 2026-07-03 19:00:22 +00:00
Nick Banks
92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/*
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* Copyright (c) 2016, The OpenThread Authors.
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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
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* @brief
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* This file includes the platform abstraction for dynamic memory allocation.
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*/
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#ifndef MEMORY_H_
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#define MEMORY_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup memory Memory
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* @ingroup platform
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*
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* @brief
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* This module includes the platform abstraction for dynamic memory allocation.
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*
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* @{
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*
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*/
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// Currently, OpenThread only requires dynamic memory allocation when supporting multiple
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// simultaneous instances, for MbedTls.
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#ifdef OPENTHREAD_MULTIPLE_INSTANCE
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/**
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* Dynamically allocates new memory. On platforms that support it, should just redirect to calloc. For
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* those that don't support calloc, should support the same functionality:
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*
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* "The calloc() function contiguously allocates enough space for count objects that are size bytes of
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* memory each and returns a pointer to the allocated memory. The allocated memory is filled with bytes
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* of value zero."
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*
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* @param[in] aNum The number of blocks to allocate
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* @param[in] aSize The size of each block to allocate
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*
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* @retval void* The pointer to the front of the memory allocated
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* @retval NULL Failed to allocate the memory requested.
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*/
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void *otPlatCAlloc(size_t aNum, size_t aSize);
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/**
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* Frees memory that was dynamically allocated.
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*
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* @param[in] aPtr A pointer the memory blocks to free. The pointer may be NULL.
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*/
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void otPlatFree(void *aPtr);
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#endif
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/**
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* @}
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*
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*/
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // DEBUG_H_
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