diff options
Diffstat (limited to 'lwip/src/include/lwip/netdb.h')
| -rw-r--r-- | lwip/src/include/lwip/netdb.h | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/lwip/src/include/lwip/netdb.h b/lwip/src/include/lwip/netdb.h index 7587e2f..d3d15df 100644 --- a/lwip/src/include/lwip/netdb.h +++ b/lwip/src/include/lwip/netdb.h @@ -1,5 +1,10 @@ +/** + * @file + * NETDB API (sockets) + */ + /* - * Redistribution and use in source and binary forms, with or without modification, + * 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, @@ -8,33 +13,32 @@ * 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. + * 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 + * 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 * */ -#ifndef __LWIP_NETDB_H__ -#define __LWIP_NETDB_H__ +#ifndef LWIP_HDR_NETDB_H +#define LWIP_HDR_NETDB_H #include "lwip/opt.h" #if LWIP_DNS && LWIP_SOCKET -#include <stddef.h> /* for size_t */ - +#include "lwip/arch.h" #include "lwip/inet.h" #include "lwip/sockets.h" @@ -44,15 +48,19 @@ extern "C" { /* some rarely used options */ #ifndef LWIP_DNS_API_DECLARE_H_ERRNO -#define LWIP_DNS_API_DECLARE_H_ERRNO 1 +#define LWIP_DNS_API_DECLARE_H_ERRNO 1 #endif #ifndef LWIP_DNS_API_DEFINE_ERRORS -#define LWIP_DNS_API_DEFINE_ERRORS 1 +#define LWIP_DNS_API_DEFINE_ERRORS 1 +#endif + +#ifndef LWIP_DNS_API_DEFINE_FLAGS +#define LWIP_DNS_API_DEFINE_FLAGS 1 #endif #ifndef LWIP_DNS_API_DECLARE_STRUCTS -#define LWIP_DNS_API_DECLARE_STRUCTS 1 +#define LWIP_DNS_API_DECLARE_STRUCTS 1 #endif #if LWIP_DNS_API_DEFINE_ERRORS @@ -61,6 +69,7 @@ extern "C" { #define EAI_SERVICE 201 #define EAI_FAIL 202 #define EAI_MEMORY 203 +#define EAI_FAMILY 204 #define HOST_NOT_FOUND 210 #define NO_DATA 211 @@ -68,6 +77,17 @@ extern "C" { #define TRY_AGAIN 213 #endif /* LWIP_DNS_API_DEFINE_ERRORS */ +#if LWIP_DNS_API_DEFINE_FLAGS +/* input flags for struct addrinfo */ +#define AI_PASSIVE 0x01 +#define AI_CANONNAME 0x02 +#define AI_NUMERICHOST 0x04 +#define AI_NUMERICSERV 0x08 +#define AI_V4MAPPED 0x10 +#define AI_ALL 0x20 +#define AI_ADDRCONFIG 0x40 +#endif /* LWIP_DNS_API_DEFINE_FLAGS */ + #if LWIP_DNS_API_DECLARE_STRUCTS struct hostent { char *h_name; /* Official name of the host. */ @@ -92,8 +112,10 @@ struct addrinfo { }; #endif /* LWIP_DNS_API_DECLARE_STRUCTS */ +#define NETDB_ELEM_SIZE (sizeof(struct addrinfo) + sizeof(struct sockaddr_storage) + DNS_MAX_NAME_LENGTH + 1) + #if LWIP_DNS_API_DECLARE_H_ERRNO -/* application accessable error code set by the DNS API functions */ +/* application accessible error code set by the DNS API functions */ extern int h_errno; #endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/ @@ -107,10 +129,14 @@ int lwip_getaddrinfo(const char *nodename, struct addrinfo **res); #if LWIP_COMPAT_SOCKETS +/** @ingroup netdbapi */ #define gethostbyname(name) lwip_gethostbyname(name) +/** @ingroup netdbapi */ #define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \ lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop) +/** @ingroup netdbapi */ #define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo) +/** @ingroup netdbapi */ #define getaddrinfo(nodname, servname, hints, res) \ lwip_getaddrinfo(nodname, servname, hints, res) #endif /* LWIP_COMPAT_SOCKETS */ @@ -121,4 +147,4 @@ int lwip_getaddrinfo(const char *nodename, #endif /* LWIP_DNS && LWIP_SOCKET */ -#endif /* __LWIP_NETDB_H__ */ +#endif /* LWIP_HDR_NETDB_H */ |