mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-02-28 16:11:24 +00:00
55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2011 by Matthias Ringwald
|
|
*
|
|
* 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 holders nor the names of
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD 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 MATTHIAS
|
|
* RINGWALD 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* memory_pool.h
|
|
*
|
|
* @Brief Fixed-size block allocation
|
|
*
|
|
* @Assumption block_size >= sizeof(void *)
|
|
* @Assumption size of storage >= count * block_size
|
|
*
|
|
* @Note minimal implementation, no error checking/handling
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
typedef void * memory_pool_t;
|
|
|
|
// initialize memory pool with with given storage, block size and count
|
|
void memory_pool_create(memory_pool_t *pool, void * storage, int count, int block_size);
|
|
|
|
// get free block from pool, @returns NULL or pointer to block
|
|
void * memory_pool_get(memory_pool_t *pool);
|
|
|
|
// return previously reserved block to memory pool
|
|
void memory_pool_free(memory_pool_t *pool, void * block);
|