Eric Wellmon / Http_Wifi_Fileserver

Serves a webpage and saves the user entered data in a .txt file all on the MBED

Dependents:   HTTPServerCustom

Fork of EthernetNetIf by Donatien Garnier

LPC1768/lwip/include/lwip/def.h@6:5ff4a18d103e, 2014-09-29 (annotated)

Committer:
wellmon7
Date:
Mon Sep 29 23:43:13 2014 +0000
Revision:
6:5ff4a18d103e
Parent:
5:bc7df6da7589 
I don't know what this is asking for...we made slight changes to make the router and mbed applicable

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:422060928e37 1 /*
donatien 0:422060928e37 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
donatien 0:422060928e37 3 * All rights reserved.
donatien 0:422060928e37 4 *
donatien 0:422060928e37 5 * Redistribution and use in source and binary forms, with or without modification,
donatien 0:422060928e37 6 * are permitted provided that the following conditions are met:
donatien 0:422060928e37 7 *
donatien 0:422060928e37 8 * 1. Redistributions of source code must retain the above copyright notice,
donatien 0:422060928e37 9 * this list of conditions and the following disclaimer.
donatien 0:422060928e37 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
donatien 0:422060928e37 11 * this list of conditions and the following disclaimer in the documentation
donatien 0:422060928e37 12 * and/or other materials provided with the distribution.
donatien 0:422060928e37 13 * 3. The name of the author may not be used to endorse or promote products
donatien 0:422060928e37 14 * derived from this software without specific prior written permission.
donatien 0:422060928e37 15 *
donatien 0:422060928e37 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
donatien 0:422060928e37 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
donatien 0:422060928e37 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
donatien 0:422060928e37 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
donatien 0:422060928e37 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
donatien 0:422060928e37 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
donatien 0:422060928e37 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
donatien 0:422060928e37 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
donatien 0:422060928e37 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
donatien 0:422060928e37 25 * OF SUCH DAMAGE.
donatien 0:422060928e37 26 *
donatien 0:422060928e37 27 * This file is part of the lwIP TCP/IP stack.
donatien 0:422060928e37 28 *
donatien 0:422060928e37 29 * Author: Adam Dunkels <adam@sics.se>
donatien 0:422060928e37 30 *
donatien 0:422060928e37 31 */
donatien 0:422060928e37 32 #ifndef __LWIP_DEF_H__
donatien 0:422060928e37 33 #define __LWIP_DEF_H__
donatien 0:422060928e37 34
donatien 0:422060928e37 35 /* arch.h might define NULL already */
donatien 0:422060928e37 36 #include "lwip/arch.h"
donatien 0:422060928e37 37 #include "lwip/opt.h"
donatien 0:422060928e37 38
donatien 0:422060928e37 39 #ifdef __cplusplus
donatien 0:422060928e37 40 extern "C" {
donatien 0:422060928e37 41 #endif
donatien 5:bc7df6da7589 42
donatien 0:422060928e37 43 #define LWIP_MAX(x , y) (((x) > (y)) ? (x) : (y))
donatien 0:422060928e37 44 #define LWIP_MIN(x , y) (((x) < (y)) ? (x) : (y))
donatien 0:422060928e37 45
donatien 0:422060928e37 46 #ifndef NULL
donatien 0:422060928e37 47 #define NULL ((void *)0)
donatien 0:422060928e37 48 #endif
donatien 0:422060928e37 49
donatien 4:9cec8b1dcf09 50 /** Get the absolute difference between 2 u32_t values (correcting overflows)
donatien 4:9cec8b1dcf09 51 * 'a' is expected to be 'higher' (without overflow) than 'b'. */
donatien 4:9cec8b1dcf09 52 #define LWIP_U32_DIFF(a, b) (((a) >= (b)) ? ((a) - (b)) : (((a) + ((b) ^ 0xFFFFFFFF) + 1)))
donatien 4:9cec8b1dcf09 53
donatien 4:9cec8b1dcf09 54 /* Endianess-optimized shifting of two u8_t to create one u16_t */
donatien 4:9cec8b1dcf09 55 #if BYTE_ORDER == LITTLE_ENDIAN
donatien 4:9cec8b1dcf09 56 #define LWIP_MAKE_U16(a, b) ((a << 8) | b)
donatien 4:9cec8b1dcf09 57 #else
donatien 4:9cec8b1dcf09 58 #define LWIP_MAKE_U16(a, b) ((b << 8) | a)
donatien 4:9cec8b1dcf09 59 #endif
donatien 4:9cec8b1dcf09 60
donatien 4:9cec8b1dcf09 61 #ifndef LWIP_PLATFORM_BYTESWAP
donatien 4:9cec8b1dcf09 62 #define LWIP_PLATFORM_BYTESWAP 0
donatien 4:9cec8b1dcf09 63 #endif
donatien 4:9cec8b1dcf09 64
donatien 4:9cec8b1dcf09 65 #ifndef LWIP_PREFIX_BYTEORDER_FUNCS
donatien 4:9cec8b1dcf09 66 /* workaround for naming collisions on some platforms */
donatien 4:9cec8b1dcf09 67
donatien 0:422060928e37 68 #ifdef htons
donatien 0:422060928e37 69 #undef htons
donatien 0:422060928e37 70 #endif /* htons */
donatien 0:422060928e37 71 #ifdef htonl
donatien 0:422060928e37 72 #undef htonl
donatien 0:422060928e37 73 #endif /* htonl */
donatien 0:422060928e37 74 #ifdef ntohs
donatien 0:422060928e37 75 #undef ntohs
donatien 0:422060928e37 76 #endif /* ntohs */
donatien 0:422060928e37 77 #ifdef ntohl
donatien 0:422060928e37 78 #undef ntohl
donatien 0:422060928e37 79 #endif /* ntohl */
donatien 0:422060928e37 80
donatien 4:9cec8b1dcf09 81 #define htons(x) lwip_htons(x)
donatien 4:9cec8b1dcf09 82 #define ntohs(x) lwip_ntohs(x)
donatien 4:9cec8b1dcf09 83 #define htonl(x) lwip_htonl(x)
donatien 4:9cec8b1dcf09 84 #define ntohl(x) lwip_ntohl(x)
donatien 4:9cec8b1dcf09 85 #endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
donatien 0:422060928e37 86
donatien 0:422060928e37 87 #if BYTE_ORDER == BIG_ENDIAN
donatien 4:9cec8b1dcf09 88 #define lwip_htons(x) (x)
donatien 4:9cec8b1dcf09 89 #define lwip_ntohs(x) (x)
donatien 4:9cec8b1dcf09 90 #define lwip_htonl(x) (x)
donatien 4:9cec8b1dcf09 91 #define lwip_ntohl(x) (x)
donatien 4:9cec8b1dcf09 92 #define PP_HTONS(x) (x)
donatien 4:9cec8b1dcf09 93 #define PP_NTOHS(x) (x)
donatien 4:9cec8b1dcf09 94 #define PP_HTONL(x) (x)
donatien 4:9cec8b1dcf09 95 #define PP_NTOHL(x) (x)
donatien 0:422060928e37 96 #else /* BYTE_ORDER != BIG_ENDIAN */
donatien 0:422060928e37 97 #if LWIP_PLATFORM_BYTESWAP
donatien 4:9cec8b1dcf09 98 #define lwip_htons(x) LWIP_PLATFORM_HTONS(x)
donatien 4:9cec8b1dcf09 99 #define lwip_ntohs(x) LWIP_PLATFORM_HTONS(x)
donatien 4:9cec8b1dcf09 100 #define lwip_htonl(x) LWIP_PLATFORM_HTONL(x)
donatien 4:9cec8b1dcf09 101 #define lwip_ntohl(x) LWIP_PLATFORM_HTONL(x)
donatien 0:422060928e37 102 #else /* LWIP_PLATFORM_BYTESWAP */
donatien 4:9cec8b1dcf09 103 u16_t lwip_htons(u16_t x);
donatien 4:9cec8b1dcf09 104 u16_t lwip_ntohs(u16_t x);
donatien 4:9cec8b1dcf09 105 u32_t lwip_htonl(u32_t x);
donatien 4:9cec8b1dcf09 106 u32_t lwip_ntohl(u32_t x);
donatien 0:422060928e37 107 #endif /* LWIP_PLATFORM_BYTESWAP */
donatien 0:422060928e37 108
donatien 4:9cec8b1dcf09 109 /* These macros should be calculated by the preprocessor and are used
donatien 4:9cec8b1dcf09 110 with compile-time constants only (so that there is no little-endian
donatien 4:9cec8b1dcf09 111 overhead at runtime). */
donatien 4:9cec8b1dcf09 112 #define PP_HTONS(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8))
donatien 4:9cec8b1dcf09 113 #define PP_NTOHS(x) PP_HTONS(x)
donatien 4:9cec8b1dcf09 114 #define PP_HTONL(x) ((((x) & 0xff) << 24) | \
donatien 4:9cec8b1dcf09 115 (((x) & 0xff00) << 8) | \
donatien 4:9cec8b1dcf09 116 (((x) & 0xff0000UL) >> 8) | \
donatien 4:9cec8b1dcf09 117 (((x) & 0xff000000UL) >> 24))
donatien 4:9cec8b1dcf09 118 #define PP_NTOHL(x) PP_HTONL(x)
donatien 0:422060928e37 119
donatien 4:9cec8b1dcf09 120 #endif /* BYTE_ORDER == BIG_ENDIAN */
donatien 1:ba68cceb2917 121
donatien 0:422060928e37 122 #ifdef __cplusplus
donatien 0:422060928e37 123 }
donatien 0:422060928e37 124 #endif
donatien 0:422060928e37 125
donatien 0:422060928e37 126 #endif /* __LWIP_DEF_H__ */
donatien 0:422060928e37 127