15  * @defgroup cb Callbacks/Customization
205 	struct nl_cb *cb;  in nl_cb_alloc()  local
210 	cb = calloc(1, sizeof(*cb));  in nl_cb_alloc()
211 	if (!cb)  in nl_cb_alloc()
214 	cb->cb_refcnt = 1;  in nl_cb_alloc()
215 	cb->cb_active = NL_CB_TYPE_MAX + 1;  in nl_cb_alloc()
218 		nl_cb_set(cb, i, kind, NULL, NULL);  in nl_cb_alloc()
220 	nl_cb_err(cb, kind, NULL, NULL);  in nl_cb_alloc()
222 	return cb;  in nl_cb_alloc()
233 	struct nl_cb *cb;  in nl_cb_clone()  local
235 	cb = nl_cb_alloc(NL_CB_DEFAULT);  in nl_cb_clone()
236 	if (!cb)  in nl_cb_clone()
239 	memcpy(cb, orig, sizeof(*orig));  in nl_cb_clone()
240 	cb->cb_refcnt = 1;  in nl_cb_clone()
242 	return cb;  in nl_cb_clone()
245 struct nl_cb *nl_cb_get(struct nl_cb *cb)  in nl_cb_get()  argument
247 	cb->cb_refcnt++;  in nl_cb_get()
249 	return cb;  in nl_cb_get()
252 void nl_cb_put(struct nl_cb *cb)  in nl_cb_put()  argument
254 	if (!cb)  in nl_cb_put()
257 	cb->cb_refcnt--;  in nl_cb_put()
259 	if (cb->cb_refcnt < 0)  in nl_cb_put()
262 	if (cb->cb_refcnt <= 0)  in nl_cb_put()
263 		free(cb);  in nl_cb_put()
268  * @arg cb		callback to query
272 enum nl_cb_type nl_cb_active_type(struct nl_cb *cb)  in nl_cb_active_type()  argument
274 	return cb->cb_active;  in nl_cb_active_type()
286  * @arg cb		callback set
294 int nl_cb_set(struct nl_cb *cb, enum nl_cb_type type, enum nl_cb_kind kind,  in nl_cb_set()  argument
304 		cb->cb_set[type] = func;  in nl_cb_set()
305 		cb->cb_args[type] = arg;  in nl_cb_set()
307 		cb->cb_set[type] = cb_def[type][kind];  in nl_cb_set()
308 		cb->cb_args[type] = arg;  in nl_cb_set()
316  * @arg cb		callback set
323 int nl_cb_set_all(struct nl_cb *cb, enum nl_cb_kind kind,  in nl_cb_set_all()  argument
329 		err = nl_cb_set(cb, i, kind, func, arg);  in nl_cb_set_all()
339  * @arg cb		callback set
344 int nl_cb_err(struct nl_cb *cb, enum nl_cb_kind kind,  in nl_cb_err()  argument
351 		cb->cb_err = func;  in nl_cb_err()
352 		cb->cb_err_arg = arg;  in nl_cb_err()
354 		cb->cb_err = cb_err_def[kind];  in nl_cb_err()
355 		cb->cb_err_arg = arg;  in nl_cb_err()
370  * @arg cb		callback set
373 void nl_cb_overwrite_recvmsgs(struct nl_cb *cb,  in nl_cb_overwrite_recvmsgs()  argument
376 	cb->cb_recvmsgs_ow = func;  in nl_cb_overwrite_recvmsgs()
381  * @arg cb		callback set
384 void nl_cb_overwrite_recv(struct nl_cb *cb,  in nl_cb_overwrite_recv()  argument
388 	cb->cb_recv_ow = func;  in nl_cb_overwrite_recv()
393  * @arg cb		callback set
396 void nl_cb_overwrite_send(struct nl_cb *cb,  in nl_cb_overwrite_send()  argument
399 	cb->cb_send_ow = func;  in nl_cb_overwrite_send()