| 1 | 606 | jeremybenn | /*
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         | 2 |  |  |  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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         | 3 |  |  |  * All rights reserved.
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         | 4 |  |  |  *
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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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         | 7 |  |  |  *
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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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         | 15 |  |  |  *
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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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         | 25 |  |  |  * OF SUCH DAMAGE.
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         | 26 |  |  |  *
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         | 27 |  |  |  * This file is part of the lwIP TCP/IP stack.
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         | 28 |  |  |  *
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         | 29 |  |  |  * Author: Adam Dunkels <adam@sics.se>
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         | 30 |  |  |  *
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         | 31 |  |  |  */
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         | 32 |  |  | #ifndef __LWIP_INET_H__
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         | 33 |  |  | #define __LWIP_INET_H__
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         | 34 |  |  |  
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         | 35 |  |  | #include "lwip/opt.h"
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         | 36 |  |  |  
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         | 37 |  |  | #include "lwip/ip_addr.h"
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         | 38 |  |  |  
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         | 39 |  |  | #ifdef __cplusplus
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         | 40 |  |  | extern "C" {
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         | 41 |  |  | #endif
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         | 42 |  |  |  
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         | 43 |  |  | u32_t inet_addr(const char *cp);
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         | 44 |  |  | int inet_aton(const char *cp, struct in_addr *addr);
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         | 45 |  |  | char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */
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         | 46 |  |  |  
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         | 47 |  |  | #ifdef htons
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         | 48 |  |  | #undef htons
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         | 49 |  |  | #endif /* htons */
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         | 50 |  |  | #ifdef htonl
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         | 51 |  |  | #undef htonl
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         | 52 |  |  | #endif /* htonl */
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         | 53 |  |  | #ifdef ntohs
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         | 54 |  |  | #undef ntohs
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         | 55 |  |  | #endif /* ntohs */
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         | 56 |  |  | #ifdef ntohl
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         | 57 |  |  | #undef ntohl
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         | 58 |  |  | #endif /* ntohl */
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         | 59 |  |  |  
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         | 60 |  |  | #ifndef LWIP_PLATFORM_BYTESWAP
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         | 61 |  |  | #define LWIP_PLATFORM_BYTESWAP 0
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         | 62 |  |  | #endif
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         | 63 |  |  |  
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         | 64 |  |  | #if BYTE_ORDER == BIG_ENDIAN
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         | 65 |  |  | #define htons(x) (x)
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         | 66 |  |  | #define ntohs(x) (x)
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         | 67 |  |  | #define htonl(x) (x)
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         | 68 |  |  | #define ntohl(x) (x)
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         | 69 |  |  | #else /* BYTE_ORDER != BIG_ENDIAN */
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         | 70 |  |  | #ifdef LWIP_PREFIX_BYTEORDER_FUNCS
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         | 71 |  |  | /* workaround for naming collisions on some platforms */
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         | 72 |  |  | #define htons lwip_htons
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         | 73 |  |  | #define ntohs lwip_ntohs
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         | 74 |  |  | #define htonl lwip_htonl
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         | 75 |  |  | #define ntohl lwip_ntohl
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         | 76 |  |  | #endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
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         | 77 |  |  | #if LWIP_PLATFORM_BYTESWAP
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         | 78 |  |  | #define htons(x) LWIP_PLATFORM_HTONS(x)
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         | 79 |  |  | #define ntohs(x) LWIP_PLATFORM_HTONS(x)
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         | 80 |  |  | #define htonl(x) LWIP_PLATFORM_HTONL(x)
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         | 81 |  |  | #define ntohl(x) LWIP_PLATFORM_HTONL(x)
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         | 82 |  |  | #else /* LWIP_PLATFORM_BYTESWAP */
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         | 83 |  |  | u16_t htons(u16_t x);
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         | 84 |  |  | u16_t ntohs(u16_t x);
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         | 85 |  |  | u32_t htonl(u32_t x);
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         | 86 |  |  | u32_t ntohl(u32_t x);
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         | 87 |  |  | #endif /* LWIP_PLATFORM_BYTESWAP */
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         | 88 |  |  |  
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         | 89 |  |  | #endif /* BYTE_ORDER == BIG_ENDIAN */
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         | 90 |  |  |  
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         | 91 |  |  | #ifdef __cplusplus
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         | 92 |  |  | }
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         | 93 |  |  | #endif
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         | 94 |  |  |  
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         | 95 |  |  | #endif /* __LWIP_INET_H__ */
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