48     ret->list = list_new(NULL);  in fixed_queue_new()
67     fixed_queue_free(ret, NULL);  in fixed_queue_new()
68     return NULL;  in fixed_queue_new()
75     if (queue == NULL) {  in fixed_queue_free()
98     if (queue == NULL) {  in fixed_queue_is_empty()
113     if (queue == NULL) {  in fixed_queue_length()
125     assert(queue != NULL);  in fixed_queue_capacity()
134     assert(queue != NULL);  in fixed_queue_enqueue()
135     assert(data != NULL);  in fixed_queue_enqueue()
153     void *ret = NULL;  in fixed_queue_dequeue()
155     assert(queue != NULL);  in fixed_queue_dequeue()
158         return NULL;  in fixed_queue_dequeue()
173     void *ret = NULL;  in fixed_queue_try_peek_first()
175     if (queue == NULL) {  in fixed_queue_try_peek_first()
176         return NULL;  in fixed_queue_try_peek_first()
180     ret = list_is_empty(queue->list) ? NULL : list_front(queue->list);  in fixed_queue_try_peek_first()
188     void *ret = NULL;  in fixed_queue_try_peek_last()
190     if (queue == NULL) {  in fixed_queue_try_peek_last()
191         return NULL;  in fixed_queue_try_peek_last()
195     ret = list_is_empty(queue->list) ? NULL : list_back(queue->list);  in fixed_queue_try_peek_last()
205     if (queue == NULL) {  in fixed_queue_try_remove_from_queue()
206         return NULL;  in fixed_queue_try_remove_from_queue()
222     return NULL;  in fixed_queue_try_remove_from_queue()
227     assert(queue != NULL);  in fixed_queue_get_list()
236     assert(queue != NULL);  in fixed_queue_register_dequeue()
237     assert(ready_cb != NULL);  in fixed_queue_register_dequeue()
244     assert(queue != NULL);  in fixed_queue_unregister_dequeue()
246     queue->dequeue_ready = NULL;  in fixed_queue_unregister_dequeue()
251     assert(queue != NULL);  in fixed_queue_process()