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