2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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3 * All rights reserved.
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5 * Redistribution and use in source and binary forms, with or without modification,
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6 * are permitted provided that the following conditions are met:
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8 * 1. Redistributions of source code must retain the above copyright notice,
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9 * this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright notice,
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11 * this list of conditions and the following disclaimer in the documentation
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12 * and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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27 * This file is part of the lwIP TCP/IP stack.
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29 * Author: Adam Dunkels <adam@sics.se>
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33 #ifndef __LWIP_MEMP_H__
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34 #define __LWIP_MEMP_H__
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36 #include "lwip/opt.h"
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42 /* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
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44 #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name,
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45 #include "lwip/memp_std.h"
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50 /* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
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52 /* Get the first (via:
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53 MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
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54 MEMP_POOL_HELPER_FIRST = ((u8_t)
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55 #define LWIP_MEMPOOL(name,num,size,desc)
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56 #define LWIP_MALLOC_MEMPOOL_START 1
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57 #define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
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58 #define LWIP_MALLOC_MEMPOOL_END
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59 #include "lwip/memp_std.h"
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61 /* Get the last (via:
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62 MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
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63 MEMP_POOL_HELPER_LAST = ((u8_t)
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64 #define LWIP_MEMPOOL(name,num,size,desc)
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65 #define LWIP_MALLOC_MEMPOOL_START
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66 #define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
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67 #define LWIP_MALLOC_MEMPOOL_END 1
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68 #include "lwip/memp_std.h"
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70 } memp_pool_helper_t;
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72 /* The actual start and stop values are here (cast them over)
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73 We use this helper type and these defines so we can avoid using const memp_t values */
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74 #define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
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75 #define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
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77 extern const u16_t memp_sizes[MEMP_MAX];
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78 #endif /* MEM_USE_POOLS */
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80 void memp_init(void);
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82 #if MEMP_OVERFLOW_CHECK
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83 void *memp_malloc_fn(memp_t type, const char* file, const int line);
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84 #define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
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86 void *memp_malloc(memp_t type);
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88 void memp_free(memp_t type, void *mem);
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94 #endif /* __LWIP_MEMP_H__ */
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