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116 lines
3.9 KiB
116 lines
3.9 KiB
/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIP_MEMP_H__
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#define __LWIP_MEMP_H__
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#include "lwip/opt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
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typedef enum {
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#define LWIP_MEMPOOL(name,num,size,desc, attr) MEMP_##name,
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#include "lwip/memp_std.h"
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MEMP_MAX
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} memp_t;
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#if MEM_USE_POOLS
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/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
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typedef enum {
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/* Get the first (via:
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MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
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MEMP_POOL_HELPER_FIRST = ((u8_t)
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#define LWIP_MEMPOOL(name,num,size,desc)
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#define LWIP_MALLOC_MEMPOOL_START 1
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#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
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#define LWIP_MALLOC_MEMPOOL_END
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#include "lwip/memp_std.h"
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) ,
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/* Get the last (via:
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MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
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MEMP_POOL_HELPER_LAST = ((u8_t)
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#define LWIP_MEMPOOL(name,num,size,desc)
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#define LWIP_MALLOC_MEMPOOL_START
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#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
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#define LWIP_MALLOC_MEMPOOL_END 1
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#include "lwip/memp_std.h"
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)
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} memp_pool_helper_t;
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/* The actual start and stop values are here (cast them over)
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We use this helper type and these defines so we can avoid using const memp_t values */
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#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
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#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
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#endif /* MEM_USE_POOLS */
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#if MEMP_MEM_MALLOC || MEM_USE_POOLS
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extern const u16_t memp_sizes[MEMP_MAX];
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#endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */
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#if MEMP_MEM_MALLOC
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#include "mem.h"
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#define memp_init()
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#define memp_malloc(type) mem_malloc(memp_sizes[type])
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#define memp_free(type, mem) mem_free(mem)
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#else /* MEMP_MEM_MALLOC */
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#if MEM_USE_POOLS
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/** This structure is used to save the pool one element came from. */
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struct memp_malloc_helper
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{
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memp_t poolnr;
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};
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#endif /* MEM_USE_POOLS */
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void memp_init(void)ICACHE_FLASH_ATTR;
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#if MEMP_OVERFLOW_CHECK
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void *memp_malloc_fn(memp_t type, const char* file, const int line)ICACHE_FLASH_ATTR;
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#define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
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#else
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void *memp_malloc(memp_t type)ICACHE_FLASH_ATTR;
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#endif
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void memp_free(memp_t type, void *mem)ICACHE_FLASH_ATTR;
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#endif /* MEMP_MEM_MALLOC */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LWIP_MEMP_H__ */
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