8  * @defgroup cb Callbacks/Customization
198 	struct nl_cb *cb;  in nl_cb_alloc()  local
203 	cb = calloc(1, sizeof(*cb));  in nl_cb_alloc()
204 	if (!cb)  in nl_cb_alloc()
207 	cb->cb_refcnt = 1;  in nl_cb_alloc()
208 	cb->cb_active = NL_CB_TYPE_MAX + 1;  in nl_cb_alloc()
211 		nl_cb_set(cb, i, kind, NULL, NULL);  in nl_cb_alloc()
213 	nl_cb_err(cb, kind, NULL, NULL);  in nl_cb_alloc()
215 	return cb;  in nl_cb_alloc()
226 	struct nl_cb *cb;  in nl_cb_clone()  local
228 	cb = nl_cb_alloc(NL_CB_DEFAULT);  in nl_cb_clone()
229 	if (!cb)  in nl_cb_clone()
232 	memcpy(cb, orig, sizeof(*orig));  in nl_cb_clone()
233 	cb->cb_refcnt = 1;  in nl_cb_clone()
235 	return cb;  in nl_cb_clone()
238 struct nl_cb *nl_cb_get(struct nl_cb *cb)  in nl_cb_get()  argument
240 	cb->cb_refcnt++;  in nl_cb_get()
242 	return cb;  in nl_cb_get()
245 void nl_cb_put(struct nl_cb *cb)  in nl_cb_put()  argument
247 	if (!cb)  in nl_cb_put()
250 	cb->cb_refcnt--;  in nl_cb_put()
252 	if (cb->cb_refcnt < 0)  in nl_cb_put()
255 	if (cb->cb_refcnt <= 0)  in nl_cb_put()
256 		free(cb);  in nl_cb_put()
261  * @arg cb		callback to query
265 enum nl_cb_type nl_cb_active_type(struct nl_cb *cb)  in nl_cb_active_type()  argument
267 	return cb->cb_active;  in nl_cb_active_type()
279  * @arg cb		callback set
287 int nl_cb_set(struct nl_cb *cb, enum nl_cb_type type, enum nl_cb_kind kind,  in nl_cb_set()  argument
297 		cb->cb_set[type] = func;  in nl_cb_set()
298 		cb->cb_args[type] = arg;  in nl_cb_set()
300 		cb->cb_set[type] = cb_def[type][kind];  in nl_cb_set()
301 		cb->cb_args[type] = arg;  in nl_cb_set()
309  * @arg cb		callback set
316 int nl_cb_set_all(struct nl_cb *cb, enum nl_cb_kind kind,  in nl_cb_set_all()  argument
322 		err = nl_cb_set(cb, i, kind, func, arg);  in nl_cb_set_all()
332  * @arg cb		callback set
337 int nl_cb_err(struct nl_cb *cb, enum nl_cb_kind kind,  in nl_cb_err()  argument
344 		cb->cb_err = func;  in nl_cb_err()
345 		cb->cb_err_arg = arg;  in nl_cb_err()
347 		cb->cb_err = cb_err_def[kind];  in nl_cb_err()
348 		cb->cb_err_arg = arg;  in nl_cb_err()
363  * @arg cb		callback set
366 void nl_cb_overwrite_recvmsgs(struct nl_cb *cb,  in nl_cb_overwrite_recvmsgs()  argument
369 	cb->cb_recvmsgs_ow = func;  in nl_cb_overwrite_recvmsgs()
374  * @arg cb		callback set
377 void nl_cb_overwrite_recv(struct nl_cb *cb,  in nl_cb_overwrite_recv()  argument
381 	cb->cb_recv_ow = func;  in nl_cb_overwrite_recv()
386  * @arg cb		callback set
389 void nl_cb_overwrite_send(struct nl_cb *cb,  in nl_cb_overwrite_send()  argument
392 	cb->cb_send_ow = func;  in nl_cb_overwrite_send()