C++ (Cpp) nl_addr_destroy Exemples

Exemple #1

Fichier : cpg_utils.c Projet : VoiSmart/freeswitch-mod-cpg

char *utils_get_mac_addr(char *interface)
{
    int buflen = 20;
    char *buf = NULL;
    struct nl_handle *nlh = NULL;
    struct nl_cache *cache = NULL;
    struct rtnl_link *link = NULL;
    struct nl_addr *addr = NULL;

    if (zstr(interface)) {
        return NULL;
    }

    if (init_handle(&nlh) != 0) {
        return NULL;
    }

    if ((cache = rtnl_link_alloc_cache(nlh)) == NULL) {
        return NULL;
    }

    if ((link = rtnl_link_get_by_name(cache, interface)) == NULL) {
        goto mac2str_error2;
    }

    if ((addr = rtnl_link_get_addr(link)) == NULL) {
        goto mac2str_error3;
    }

    if ((buf = calloc(sizeof(char *), buflen)) == NULL) {
        goto mac2str_error4;
    }

    buf = nl_addr2str(addr, buf, buflen);

mac2str_error4:
    nl_addr_destroy(addr);
mac2str_error3:
    rtnl_link_put(link);
mac2str_error2:
    nl_close(nlh);
    nl_handle_destroy(nlh);

    return buf;
}

Exemple #2

Fichier : iface.c Projet : Rogentos/argent-anaconda

/*
 * Given an interface name (e.g., eth0), return the MAC address in human
 * readable format (e.g., 00:11:52:12:D9:A0).  Return NULL for no match.
 */
char *iface_mac2str(char *ifname) {
    int buflen = 20;
    char *buf = NULL;
    struct nl_handle *handle = NULL;
    struct nl_cache *cache = NULL;
    struct rtnl_link *link = NULL;
    struct nl_addr *addr = NULL;

    if (ifname == NULL) {
        return NULL;
    }

    if ((cache = _iface_get_link_cache(&handle)) == NULL) {
        return NULL;
    }

    if ((link = rtnl_link_get_by_name(cache, ifname)) == NULL) {
        goto mac2str_error2;
    }

    if ((addr = rtnl_link_get_addr(link)) == NULL) {
        goto mac2str_error3;
    }

    if ((buf = calloc(sizeof(char *), buflen)) == NULL) {
        goto mac2str_error4;
    }

    if ((buf = nl_addr2str(addr, buf, buflen)) != NULL) {
        char *oldbuf = buf;
        buf = g_ascii_strup(buf, -1);
        free(oldbuf);
    }

mac2str_error4:
    nl_addr_destroy(addr);
mac2str_error3:
    rtnl_link_put(link);
mac2str_error2:
    nl_close(handle);
    nl_handle_destroy(handle);

    return buf;
}