network: give getters a void pointer arg

src/lxc/commands.c

@@ -561,12 +561,12 @@ static int lxc_cmd_get_config_item_callback(int fd, struct lxc_cmd_req *req,
 	item = lxc_getconfig(req->data);
 	if (!item)
 		goto err1;
-	cilen = item->get(req->data, NULL, 0, handler->conf);
+	cilen = item->get(req->data, NULL, 0, handler->conf, NULL);
 	if (cilen <= 0)
 		goto err1;
 
 	cidata = alloca(cilen + 1);
-	if (item->get(req->data, cidata, cilen + 1, handler->conf) != cilen)
+	if (item->get(req->data, cidata, cilen + 1, handler->conf, NULL) != cilen)
 		goto err1;
 	cidata[cilen] = '\0';
 	rsp.data = cidata;

src/lxc/confile.h

@@ -33,7 +33,8 @@ struct lxc_list;
 
 typedef int (*config_set_cb)(const char *, const char *, struct lxc_conf *,
 			     void *data);
-typedef int (*config_get_cb)(const char *, char *, int, struct lxc_conf *);
+typedef int (*config_get_cb)(const char *, char *, int, struct lxc_conf *,
+			     void *);
 typedef int (*config_clr_cb)(const char *, struct lxc_conf *c, void *data);
 struct lxc_config_t {
 	char *name;

src/lxc/lxccontainer.c

@@ -2038,7 +2038,7 @@ static int do_lxcapi_get_config_item(struct lxc_container *c, const char *key, c
 	 * implemented.
 	 */
 	if (config && config->get)
-		ret = config->get(key, retv, inlen, c->lxc_conf);
+		ret = config->get(key, retv, inlen, c->lxc_conf, NULL);
 
 	container_mem_unlock(c);
 	return ret;