Function lwip_getaddrname

components/net/lwip/lwip-1.4.1/src/api/sockets.c:1420–1453

}

static int
lwip_getaddrname(int s, struct sockaddr *name, socklen_t *namelen, u8_t local)
{
  struct lwip_sock *sock;
  struct sockaddr_in sin;
  ip_addr_t naddr;

  sock = get_socket(s);
  if (!sock) {
    return -1;
  }

  memset(&sin, 0, sizeof(sin));
  sin.sin_len = sizeof(sin);
  sin.sin_family = AF_INET;

  /* get the IP address and port */
  netconn_getaddr(sock->conn, &naddr, &sin.sin_port, local);

  LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getaddrname(%d, addr=", s));
  ip_addr_debug_print(SOCKETS_DEBUG, &naddr);
  LWIP_DEBUGF(SOCKETS_DEBUG, (" port=%"U16_F")\n", sin.sin_port));

  sin.sin_port = htons(sin.sin_port);
  inet_addr_from_ipaddr(&sin.sin_addr, &naddr);

  if (*namelen > sizeof(sin)) {
    *namelen = sizeof(sin);
  }

  MEMCPY(name, &sin, *namelen);
  sock_set_errno(sock, 0);
  return 0;
}

int
lwip_getpeername(int s, struct sockaddr *name, socklen_t *namelen)