assert_return(ifindex > 0, -EINVAL);
assert_return(llmnr, -EINVAL);
+ if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
+ return -ENOMEM;
+
r = parse_env_file(p, NEWLINE, "LLMNR", &s, NULL);
if (r == -ENOENT)
return -ENODATA;
else if (r < 0)
return r;
+ else if (!s)
+ return -ENODATA;
*llmnr = s;
s = NULL;