+++ /dev/null
-/*
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- *
- * Author: Simon Goldschmidt
- *
- */
-
-#include "lwip/opt.h"
-
-#if LWIP_DNS && LWIP_SOCKET
-
-#include "lwip/sockets.h"
-
-/* some rarely used options */
-#ifndef LWIP_DNS_API_DECLARE_H_ERRNO
-#define LWIP_DNS_API_DECLARE_H_ERRNO 1
-#endif
-
-#ifndef LWIP_DNS_API_DEFINE_ERRORS
-#define LWIP_DNS_API_DEFINE_ERRORS 1
-#endif
-
-#ifndef LWIP_DNS_API_DECLARE_STRUCTS
-#define LWIP_DNS_API_DECLARE_STRUCTS 1
-#endif
-
-#if LWIP_DNS_API_DEFINE_ERRORS
-/** Errors used by the DNS API functions, h_errno can be one of them */
-#define EAI_NONAME 200
-#define EAI_SERVICE 201
-#define EAI_FAIL 202
-#define EAI_MEMORY 203
-
-#define HOST_NOT_FOUND 210
-#define NO_DATA 211
-#define NO_RECOVERY 212
-#define TRY_AGAIN 213
-#endif /* LWIP_DNS_API_DEFINE_ERRORS */
-
-#if LWIP_DNS_API_DECLARE_STRUCTS
-struct hostent {
- char *h_name; /* Official name of the host. */
- char **h_aliases; /* A pointer to an array of pointers to alternative host names,
- terminated by a null pointer. */
- int h_addrtype; /* Address type. */
- int h_length; /* The length, in bytes, of the address. */
- char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
- network byte order) for the host, terminated by a null pointer. */
-#define h_addr h_addr_list[0] /* for backward compatibility */
-};
-
-struct addrinfo {
- int ai_flags; /* Input flags. */
- int ai_family; /* Address family of socket. */
- int ai_socktype; /* Socket type. */
- int ai_protocol; /* Protocol of socket. */
- socklen_t ai_addrlen; /* Length of socket address. */
- struct sockaddr *ai_addr; /* Socket address of socket. */
- char *ai_canonname; /* Canonical name of service location. */
- struct addrinfo *ai_next; /* Pointer to next in list. */
-};
-#endif /* LWIP_DNS_API_DECLARE_STRUCTS */
-
-#if LWIP_DNS_API_DECLARE_H_ERRNO
-/* application accessable error code set by the DNS API functions */
-extern int h_errno;
-#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/
-
-struct hostent *lwip_gethostbyname(const char *name);
-int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
- size_t buflen, struct hostent **result, int *h_errnop);
-void lwip_freeaddrinfo(struct addrinfo *ai);
-int lwip_getaddrinfo(const char *nodename,
- const char *servname,
- const struct addrinfo *hints,
- struct addrinfo **res);
-
-#if LWIP_COMPAT_SOCKETS
-#define gethostbyname(name) lwip_gethostbyname(name)
-#define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \
- lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop)
-#define freeaddrinfo(addrinfo) lwip_freeaddrinfo(a)
-#define getaddrinfo(nodname, servname, hints, res) \
- lwip_getaddrinfo(nodname, servname, hints, res)
-#endif /* LWIP_COMPAT_SOCKETS */
-
-#endif /* LWIP_DNS && LWIP_SOCKET */