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/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
int
getnameinfo(const struct sockaddr *sa, socklen_t salen, char *node,
size_t nodelen, char *service, size_t servicelen, int flags)
{
int af;
const struct sockaddr_in *sa_in = (const struct sockaddr_in *)sa;
(void) salen;
af = sa->sa_family;
if (af != AF_INET) {
return EAI_FAMILY;
}
if ((flags & NI_NAMEREQD) != 0) {
return EAI_NONAME;
}
/* FIXME: This return just the address value. Try resolving instead. */
if (node != NULL && nodelen > 0) {
const void *addr = &sa_in->sin_addr;
if(inet_ntop(af, addr, node, nodelen) == NULL) {
return EAI_FAIL;
}
}
if (service != NULL && servicelen > 0) {
in_port_t port = sa_in->sin_port;
int rv;
rv = snprintf(service, servicelen, "%u", port);
if (rv <= 0) {
return EAI_FAIL;
} else if ((unsigned)rv >= servicelen) {
return EAI_OVERFLOW;
}
}
return 0;
}
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