70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
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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_MEM_H__
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#define __LWIP_MEM_H__
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#include "lwip/opt.h"
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#include "lwip/arch.h"
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#if MEM_SIZE > 64000l
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typedef u32_t mem_size_t;
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#define MEM_SIZE_F U32_F
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#else
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typedef u16_t mem_size_t;
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#define MEM_SIZE_F U16_F
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#endif /* MEM_SIZE > 64000 */
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#if MEM_LIBC_MALLOC
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/* aliases for C library malloc() */
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#define mem_init()
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#define mem_free(x) free(x)
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#define mem_malloc(x) malloc(x)
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#define mem_realloc(x, size) realloc(x,size)
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#else
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/* lwIP alternative malloc */
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void mem_init(void);
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void *mem_malloc(mem_size_t size);
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void mem_free(void *mem);
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void *mem_realloc(void *mem, mem_size_t size);
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#endif
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#ifndef MEM_ALIGN_SIZE
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#define MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1))
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#endif
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#ifndef MEM_ALIGN
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#define MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
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#endif
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#endif /* __LWIP_MEM_H__ */
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