mbed unsupported / lwip

A version of LWIP, provided for backwards compatibility.

Dependents:   AA_DemoBoard DemoBoard HelloServerDemo DemoBoard_RangeIndicator ... more

trunk/Core/lwIP/include/lwip/netdb.h@0:5e1631496985, 2012-05-08 (annotated)

Committer:
root@mbed.org
Date:
Tue May 08 15:32:10 2012 +0100
Revision:
0:5e1631496985
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
root@mbed.org 0:5e1631496985 1 /*
root@mbed.org 0:5e1631496985 2 * Redistribution and use in source and binary forms, with or without modification,
root@mbed.org 0:5e1631496985 3 * are permitted provided that the following conditions are met:
root@mbed.org 0:5e1631496985 4 *
root@mbed.org 0:5e1631496985 5 * 1. Redistributions of source code must retain the above copyright notice,
root@mbed.org 0:5e1631496985 6 * this list of conditions and the following disclaimer.
root@mbed.org 0:5e1631496985 7 * 2. Redistributions in binary form must reproduce the above copyright notice,
root@mbed.org 0:5e1631496985 8 * this list of conditions and the following disclaimer in the documentation
root@mbed.org 0:5e1631496985 9 * and/or other materials provided with the distribution.
root@mbed.org 0:5e1631496985 10 * 3. The name of the author may not be used to endorse or promote products
root@mbed.org 0:5e1631496985 11 * derived from this software without specific prior written permission.
root@mbed.org 0:5e1631496985 12 *
root@mbed.org 0:5e1631496985 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
root@mbed.org 0:5e1631496985 14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
root@mbed.org 0:5e1631496985 15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
root@mbed.org 0:5e1631496985 16 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
root@mbed.org 0:5e1631496985 17 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
root@mbed.org 0:5e1631496985 18 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
root@mbed.org 0:5e1631496985 19 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
root@mbed.org 0:5e1631496985 20 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
root@mbed.org 0:5e1631496985 21 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
root@mbed.org 0:5e1631496985 22 * OF SUCH DAMAGE.
root@mbed.org 0:5e1631496985 23 *
root@mbed.org 0:5e1631496985 24 * This file is part of the lwIP TCP/IP stack.
root@mbed.org 0:5e1631496985 25 *
root@mbed.org 0:5e1631496985 26 * Author: Simon Goldschmidt
root@mbed.org 0:5e1631496985 27 *
root@mbed.org 0:5e1631496985 28 */
root@mbed.org 0:5e1631496985 29
root@mbed.org 0:5e1631496985 30 #include "lwip/opt.h"
root@mbed.org 0:5e1631496985 31
root@mbed.org 0:5e1631496985 32 #if LWIP_DNS && LWIP_SOCKET
root@mbed.org 0:5e1631496985 33
root@mbed.org 0:5e1631496985 34 #include <stddef.h> /* for size_t */
root@mbed.org 0:5e1631496985 35
root@mbed.org 0:5e1631496985 36 #include "lwip/sockets.h"
root@mbed.org 0:5e1631496985 37
root@mbed.org 0:5e1631496985 38 /* some rarely used options */
root@mbed.org 0:5e1631496985 39 #ifndef LWIP_DNS_API_DECLARE_H_ERRNO
root@mbed.org 0:5e1631496985 40 #define LWIP_DNS_API_DECLARE_H_ERRNO 1
root@mbed.org 0:5e1631496985 41 #endif
root@mbed.org 0:5e1631496985 42
root@mbed.org 0:5e1631496985 43 #ifndef LWIP_DNS_API_DEFINE_ERRORS
root@mbed.org 0:5e1631496985 44 #define LWIP_DNS_API_DEFINE_ERRORS 1
root@mbed.org 0:5e1631496985 45 #endif
root@mbed.org 0:5e1631496985 46
root@mbed.org 0:5e1631496985 47 #ifndef LWIP_DNS_API_DECLARE_STRUCTS
root@mbed.org 0:5e1631496985 48 #define LWIP_DNS_API_DECLARE_STRUCTS 1
root@mbed.org 0:5e1631496985 49 #endif
root@mbed.org 0:5e1631496985 50
root@mbed.org 0:5e1631496985 51 #if LWIP_DNS_API_DEFINE_ERRORS
root@mbed.org 0:5e1631496985 52 /** Errors used by the DNS API functions, h_errno can be one of them */
root@mbed.org 0:5e1631496985 53 #define EAI_NONAME 200
root@mbed.org 0:5e1631496985 54 #define EAI_SERVICE 201
root@mbed.org 0:5e1631496985 55 #define EAI_FAIL 202
root@mbed.org 0:5e1631496985 56 #define EAI_MEMORY 203
root@mbed.org 0:5e1631496985 57
root@mbed.org 0:5e1631496985 58 #define HOST_NOT_FOUND 210
root@mbed.org 0:5e1631496985 59 #define NO_DATA 211
root@mbed.org 0:5e1631496985 60 #define NO_RECOVERY 212
root@mbed.org 0:5e1631496985 61 #define TRY_AGAIN 213
root@mbed.org 0:5e1631496985 62 #endif /* LWIP_DNS_API_DEFINE_ERRORS */
root@mbed.org 0:5e1631496985 63
root@mbed.org 0:5e1631496985 64 #if LWIP_DNS_API_DECLARE_STRUCTS
root@mbed.org 0:5e1631496985 65 struct hostent {
root@mbed.org 0:5e1631496985 66 char *h_name; /* Official name of the host. */
root@mbed.org 0:5e1631496985 67 char **h_aliases; /* A pointer to an array of pointers to alternative host names,
root@mbed.org 0:5e1631496985 68 terminated by a null pointer. */
root@mbed.org 0:5e1631496985 69 int h_addrtype; /* Address type. */
root@mbed.org 0:5e1631496985 70 int h_length; /* The length, in bytes, of the address. */
root@mbed.org 0:5e1631496985 71 char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
root@mbed.org 0:5e1631496985 72 network byte order) for the host, terminated by a null pointer. */
root@mbed.org 0:5e1631496985 73 #define h_addr h_addr_list[0] /* for backward compatibility */
root@mbed.org 0:5e1631496985 74 };
root@mbed.org 0:5e1631496985 75
root@mbed.org 0:5e1631496985 76 struct addrinfo {
root@mbed.org 0:5e1631496985 77 int ai_flags; /* Input flags. */
root@mbed.org 0:5e1631496985 78 int ai_family; /* Address family of socket. */
root@mbed.org 0:5e1631496985 79 int ai_socktype; /* Socket type. */
root@mbed.org 0:5e1631496985 80 int ai_protocol; /* Protocol of socket. */
root@mbed.org 0:5e1631496985 81 socklen_t ai_addrlen; /* Length of socket address. */
root@mbed.org 0:5e1631496985 82 struct sockaddr *ai_addr; /* Socket address of socket. */
root@mbed.org 0:5e1631496985 83 char *ai_canonname; /* Canonical name of service location. */
root@mbed.org 0:5e1631496985 84 struct addrinfo *ai_next; /* Pointer to next in list. */
root@mbed.org 0:5e1631496985 85 };
root@mbed.org 0:5e1631496985 86 #endif /* LWIP_DNS_API_DECLARE_STRUCTS */
root@mbed.org 0:5e1631496985 87
root@mbed.org 0:5e1631496985 88 #if LWIP_DNS_API_DECLARE_H_ERRNO
root@mbed.org 0:5e1631496985 89 /* application accessable error code set by the DNS API functions */
root@mbed.org 0:5e1631496985 90 extern int h_errno;
root@mbed.org 0:5e1631496985 91 #endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/
root@mbed.org 0:5e1631496985 92
root@mbed.org 0:5e1631496985 93 struct hostent *lwip_gethostbyname(const char *name);
root@mbed.org 0:5e1631496985 94 int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
root@mbed.org 0:5e1631496985 95 size_t buflen, struct hostent **result, int *h_errnop);
root@mbed.org 0:5e1631496985 96 void lwip_freeaddrinfo(struct addrinfo *ai);
root@mbed.org 0:5e1631496985 97 int lwip_getaddrinfo(const char *nodename,
root@mbed.org 0:5e1631496985 98 const char *servname,
root@mbed.org 0:5e1631496985 99 const struct addrinfo *hints,
root@mbed.org 0:5e1631496985 100 struct addrinfo **res);
root@mbed.org 0:5e1631496985 101
root@mbed.org 0:5e1631496985 102 #if LWIP_COMPAT_SOCKETS
root@mbed.org 0:5e1631496985 103 #define gethostbyname(name) lwip_gethostbyname(name)
root@mbed.org 0:5e1631496985 104 #define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \
root@mbed.org 0:5e1631496985 105 lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop)
root@mbed.org 0:5e1631496985 106 #define freeaddrinfo(addrinfo) lwip_freeaddrinfo(a)
root@mbed.org 0:5e1631496985 107 #define getaddrinfo(nodname, servname, hints, res) \
root@mbed.org 0:5e1631496985 108 lwip_getaddrinfo(nodname, servname, hints, res)
root@mbed.org 0:5e1631496985 109 #endif /* LWIP_COMPAT_SOCKETS */
root@mbed.org 0:5e1631496985 110
root@mbed.org 0:5e1631496985 111 #endif /* LWIP_DNS && LWIP_SOCKET */