1 |
/* |
---|
2 |
* Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
---|
3 |
* All rights reserved. |
---|
4 |
* |
---|
5 |
* Redistribution and use in source and binary forms, with or without modification, |
---|
6 |
* are permitted provided that the following conditions are met: |
---|
7 |
* |
---|
8 |
* 1. Redistributions of source code must retain the above copyright notice, |
---|
9 |
* this list of conditions and the following disclaimer. |
---|
10 |
* 2. Redistributions in binary form must reproduce the above copyright notice, |
---|
11 |
* this list of conditions and the following disclaimer in the documentation |
---|
12 |
* and/or other materials provided with the distribution. |
---|
13 |
* 3. The name of the author may not be used to endorse or promote products |
---|
14 |
* derived from this software without specific prior written permission. |
---|
15 |
* |
---|
16 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
---|
17 |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
---|
18 |
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
---|
19 |
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
---|
20 |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
---|
21 |
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
---|
22 |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
---|
23 |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
---|
24 |
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
---|
25 |
* OF SUCH DAMAGE. |
---|
26 |
* |
---|
27 |
* This file is part of the lwIP TCP/IP stack. |
---|
28 |
* |
---|
29 |
* Author: Adam Dunkels <adam@sics.se> |
---|
30 |
* |
---|
31 |
*/ |
---|
32 |
#ifndef __LWIP_MEM_H__ |
---|
33 |
#define __LWIP_MEM_H__ |
---|
34 |
|
---|
35 |
#include "lwip/opt.h" |
---|
36 |
#include "lwip/arch.h" |
---|
37 |
|
---|
38 |
#if MEM_SIZE > 64000l |
---|
39 |
typedef u32_t mem_size_t; |
---|
40 |
#define MEM_SIZE_F U32_F |
---|
41 |
#else |
---|
42 |
typedef u16_t mem_size_t; |
---|
43 |
#define MEM_SIZE_F U16_F |
---|
44 |
#endif /* MEM_SIZE > 64000 */ |
---|
45 |
|
---|
46 |
#if MEM_LIBC_MALLOC |
---|
47 |
/* aliases for C library malloc() */ |
---|
48 |
#define mem_init() |
---|
49 |
#define mem_free(x) free(x) |
---|
50 |
#define mem_malloc(x) malloc(x) |
---|
51 |
#define mem_realloc(x, size) realloc(x,size) |
---|
52 |
#else |
---|
53 |
/* lwIP alternative malloc */ |
---|
54 |
void mem_init(void); |
---|
55 |
void *mem_malloc(mem_size_t size); |
---|
56 |
void mem_free(void *mem); |
---|
57 |
void *mem_realloc(void *mem, mem_size_t size); |
---|
58 |
#endif |
---|
59 |
|
---|
60 |
#ifndef MEM_ALIGN_SIZE |
---|
61 |
#define MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1)) |
---|
62 |
#endif |
---|
63 |
|
---|
64 |
#ifndef MEM_ALIGN |
---|
65 |
#define MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1))) |
---|
66 |
#endif |
---|
67 |
|
---|
68 |
#endif /* __LWIP_MEM_H__ */ |
---|
69 |
|
---|