201 				 struct net_buf *parent,  in bt_buf_make_view()  argument
210 	__ASSERT_NO_MSG(net_buf_headroom(parent) > 0);  in bt_buf_make_view()
212 	__ASSERT_NO_MSG(!bt_buf_has_view(parent));  in bt_buf_make_view()
216 	net_buf_simple_clone(&parent->b, &view->b);  in bt_buf_make_view()
217 	view->size = net_buf_headroom(parent) + len;  in bt_buf_make_view()
221 	/* we have a view, eat `len`'s worth of data from the parent */  in bt_buf_make_view()
222 	(void)net_buf_pull(parent, len);  in bt_buf_make_view()
224 	meta->backup.data = parent->data;  in bt_buf_make_view()
225 	parent->data = NULL;  in bt_buf_make_view()
227 	meta->backup.size = parent->size;  in bt_buf_make_view()
228 	parent->size = 0;  in bt_buf_make_view()
230 	/* The ref to `parent` is moved in by passing `parent` as argument. */  in bt_buf_make_view()
232 	meta->parent = parent;  in bt_buf_make_view()
233 	parent = NULL;  in bt_buf_make_view()
241 	__ASSERT_NO_MSG(meta->parent);  in bt_buf_destroy_view()
243 	/* "unclip" the parent buf */  in bt_buf_destroy_view()
244 	meta->parent->data = meta->backup.data;  in bt_buf_destroy_view()
245 	meta->parent->size = meta->backup.size;  in bt_buf_destroy_view()
247 	net_buf_unref(meta->parent);  in bt_buf_destroy_view()
253 bool bt_buf_has_view(const struct net_buf *parent)  in bt_buf_has_view()  argument
256 	return parent->size == 0 && parent->data == NULL;  in bt_buf_has_view()