https://mbed.org/forum/ja/topic/4890/

Dependencies:   USBHost mbed

Fork of BTstack by Norimasa Okamoto

Committer:
va009039
Date:
Tue Jun 26 14:27:45 2012 +0000
Revision:
0:1ed23ab1345f
fix overflow spp_service_buffer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:1ed23ab1345f 1 /*
va009039 0:1ed23ab1345f 2 * Copyright (C) 2011 by Matthias Ringwald
va009039 0:1ed23ab1345f 3 *
va009039 0:1ed23ab1345f 4 * Redistribution and use in source and binary forms, with or without
va009039 0:1ed23ab1345f 5 * modification, are permitted provided that the following conditions
va009039 0:1ed23ab1345f 6 * are met:
va009039 0:1ed23ab1345f 7 *
va009039 0:1ed23ab1345f 8 * 1. Redistributions of source code must retain the above copyright
va009039 0:1ed23ab1345f 9 * notice, this list of conditions and the following disclaimer.
va009039 0:1ed23ab1345f 10 * 2. Redistributions in binary form must reproduce the above copyright
va009039 0:1ed23ab1345f 11 * notice, this list of conditions and the following disclaimer in the
va009039 0:1ed23ab1345f 12 * documentation and/or other materials provided with the distribution.
va009039 0:1ed23ab1345f 13 * 3. Neither the name of the copyright holders nor the names of
va009039 0:1ed23ab1345f 14 * contributors may be used to endorse or promote products derived
va009039 0:1ed23ab1345f 15 * from this software without specific prior written permission.
va009039 0:1ed23ab1345f 16 *
va009039 0:1ed23ab1345f 17 * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
va009039 0:1ed23ab1345f 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
va009039 0:1ed23ab1345f 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
va009039 0:1ed23ab1345f 20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
va009039 0:1ed23ab1345f 21 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
va009039 0:1ed23ab1345f 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
va009039 0:1ed23ab1345f 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
va009039 0:1ed23ab1345f 24 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
va009039 0:1ed23ab1345f 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
va009039 0:1ed23ab1345f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
va009039 0:1ed23ab1345f 27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
va009039 0:1ed23ab1345f 28 * SUCH DAMAGE.
va009039 0:1ed23ab1345f 29 *
va009039 0:1ed23ab1345f 30 */
va009039 0:1ed23ab1345f 31
va009039 0:1ed23ab1345f 32 /*
va009039 0:1ed23ab1345f 33 * memory_pool.h
va009039 0:1ed23ab1345f 34 *
va009039 0:1ed23ab1345f 35 * @Brief Fixed-size block allocation
va009039 0:1ed23ab1345f 36 *
va009039 0:1ed23ab1345f 37 * @Assumption block_size >= sizeof(void *)
va009039 0:1ed23ab1345f 38 * @Assumption size of storage >= count * block_size
va009039 0:1ed23ab1345f 39 *
va009039 0:1ed23ab1345f 40 * @Note minimal implementation, no error checking/handling
va009039 0:1ed23ab1345f 41 */
va009039 0:1ed23ab1345f 42
va009039 0:1ed23ab1345f 43 #pragma once
va009039 0:1ed23ab1345f 44
va009039 0:1ed23ab1345f 45 typedef void * memory_pool_t;
va009039 0:1ed23ab1345f 46
va009039 0:1ed23ab1345f 47 // initialize memory pool with with given storage, block size and count
va009039 0:1ed23ab1345f 48 void memory_pool_create(memory_pool_t *pool, void * storage, int count, int block_size);
va009039 0:1ed23ab1345f 49
va009039 0:1ed23ab1345f 50 // get free block from pool, @returns NULL or pointer to block
va009039 0:1ed23ab1345f 51 void * memory_pool_get(memory_pool_t *pool);
va009039 0:1ed23ab1345f 52
va009039 0:1ed23ab1345f 53 // return previously reserved block to memory pool
va009039 0:1ed23ab1345f 54 void memory_pool_free(memory_pool_t *pool, void * block);