79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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/**
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* \file memory_buffer_alloc.h
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*
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* \brief Buffer-based memory allocator
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MEMORY_BUFFER_ALLOC_H
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#define MEMORY_BUFFER_ALLOC_H
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#include <stddef.h>
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/**
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* \name SECTION: Module settings
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*
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* The configuration options you can set for this module are in this section.
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* Either change them in config.h or define them on the compiler command line.
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* \{
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*/
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#define MBEDTLS_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */
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/* \} name SECTION: Module settings */
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#define MBEDTLS_MEMORY_VERIFY_NONE 0
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#define MBEDTLS_MEMORY_VERIFY_ALLOC (1 << 0)
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#define MBEDTLS_MEMORY_VERIFY_FREE (1 << 1)
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#define MBEDTLS_MEMORY_VERIFY_ALWAYS (MBEDTLS_MEMORY_VERIFY_ALLOC | MBEDTLS_MEMORY_VERIFY_FREE)
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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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* \brief Initialize use of stack-based memory allocator.
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* The stack-based allocator does memory management inside the
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* presented buffer and does not call calloc() and free().
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* It sets the global mbedtls_calloc() and mbedtls_free() pointers
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* to its own functions.
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* (Provided mbedtls_calloc() and mbedtls_free() are thread-safe if
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* MBEDTLS_THREADING_C is defined)
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*
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* \note This code is not optimized and provides a straight-forward
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* implementation of a stack-based memory allocator.
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*
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* \param buf buffer to use as heap
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* \param len size of the buffer
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*/
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void memory_buffer_alloc_init( unsigned char *buf, size_t len );
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/**
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* \brief Free the mutex for thread-safety and clear remaining memory
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*/
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void memory_buffer_alloc_free( void );
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void *buffer_alloc_malloc(size_t size);
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void buffer_alloc_free( void *ptr );
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#ifdef __cplusplus
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}
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#endif
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#endif /* memory_buffer_alloc.h */
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