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kunlun/mfgtool/clzma/7zAlloc.h

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