1 /* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
2 
3 /*
4  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without modification,
8  * are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  *    this list of conditions and the following disclaimer in the documentation
14  *    and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
19  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
21  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
23  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27  * OF SUCH DAMAGE.
28  *
29  * This file is part of the lwIP TCP/IP stack.
30  *
31  * Author: Adam Dunkels <adam@sics.se>
32  *
33  */
34 #ifndef __LWIP_INET_H__
35 #define __LWIP_INET_H__
36 
37 #include "lwip/opt.h"
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /* For compatibility with BSD code */
44 struct in_addr {
45   u32_t s_addr;
46 };
47 
48 #define INADDR_NONE         ((u32_t)0xffffffffUL)  /* 255.255.255.255 */
49 #define INADDR_LOOPBACK     ((u32_t)0x7f000001UL)  /* 127.0.0.1 */
50 #define INADDR_ANY          ((u32_t)0x00000000UL)  /* 0.0.0.0 */
51 #define INADDR_BROADCAST    ((u32_t)0xffffffffUL)  /* 255.255.255.255 */
52 
53 u32_t inet_addr(const char *cp);
54 int inet_aton(const char *cp, struct in_addr *addr);
55 char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */
56 
57 #ifdef htons
58 #undef htons
59 #endif /* htons */
60 #ifdef htonl
61 #undef htonl
62 #endif /* htonl */
63 #ifdef ntohs
64 #undef ntohs
65 #endif /* ntohs */
66 #ifdef ntohl
67 #undef ntohl
68 #endif /* ntohl */
69 
70 #ifndef LWIP_PLATFORM_BYTESWAP
71 #define LWIP_PLATFORM_BYTESWAP 0
72 #endif
73 
74 #if BYTE_ORDER == BIG_ENDIAN
75 #define htons(x) (x)
76 #define ntohs(x) (x)
77 #define htonl(x) (x)
78 #define ntohl(x) (x)
79 #else /* BYTE_ORDER != BIG_ENDIAN */
80 #ifdef LWIP_PREFIX_BYTEORDER_FUNCS
81 /* workaround for naming collisions on some platforms */
82 #define htons lwip_htons
83 #define ntohs lwip_ntohs
84 #define htonl lwip_htonl
85 #define ntohl lwip_ntohl
86 #endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
87 #if LWIP_PLATFORM_BYTESWAP
88 #define htons(x) LWIP_PLATFORM_HTONS(x)
89 #define ntohs(x) LWIP_PLATFORM_HTONS(x)
90 #define htonl(x) LWIP_PLATFORM_HTONL(x)
91 #define ntohl(x) LWIP_PLATFORM_HTONL(x)
92 #else /* LWIP_PLATFORM_BYTESWAP */
93 u16_t htons(u16_t x);
94 u16_t ntohs(u16_t x);
95 u32_t htonl(u32_t x);
96 u32_t ntohl(u32_t x);
97 #endif /* LWIP_PLATFORM_BYTESWAP */
98 
99 #endif /* BYTE_ORDER == BIG_ENDIAN */
100 
101 #ifdef __cplusplus
102 }
103 #endif
104 
105 #endif /* __LWIP_INET_H__ */
106