Function sal_getaddrinfo

components/net/sal/src/sal_socket.c:1591–1636

}

int sal_getaddrinfo(const char *nodename,
                    const char *servname,
                    const struct addrinfo *hints,
                    struct addrinfo **res)
{
    struct netdev *netdev = netdev_default;
    struct sal_proto_family *pf;
    int ret = 0;
    rt_uint32_t i = 0;

    if (SAL_NETDEV_NETDBOPS_VALID(netdev, pf, getaddrinfo))
    {
        ret = pf->netdb_ops->getaddrinfo(nodename, servname, hints, res);
    }
    else
    {
        /* get the first network interface device with up status */
        netdev = netdev_get_first_by_flags(NETDEV_FLAG_UP);
        if (SAL_NETDEV_NETDBOPS_VALID(netdev, pf, getaddrinfo))
        {
            ret = pf->netdb_ops->getaddrinfo(nodename, servname, hints, res);
        }
        else
        {
            ret = -1;
        }
    }

    if (ret == RT_EOK)
    {
        /*record the netdev and res*/
        for (i = 0; i < SAL_SOCKETS_NUM; i++)
        {
            if (sal_dev_res_tbl[i].res == RT_NULL)
            {
                sal_dev_res_tbl[i].res = *res;
                sal_dev_res_tbl[i].netdev = netdev;
                break;
            }
        }

        RT_ASSERT((i < SAL_SOCKETS_NUM));
    }

    return ret;
}

void sal_freeaddrinfo(struct addrinfo *ai)
{