Lines Matching refs:NULL
134 q->head = q->tail = NULL; in Q_Init()
239 return NULL; in Q_Head()
264 return NULL; in Q_Tail()
293 if(p == NULL) in Q_PushHead()
299 q->head->prev = NULL; in Q_PushHead()
302 q->head->next = NULL; in Q_PushHead()
345 if(n == NULL) in Q_PushTail()
352 q->tail->prev = NULL; in Q_PushTail()
360 q->tail->next = NULL; in Q_PushTail()
396 return NULL; in Q_PopHead()
405 q->head = q->tail = q->cursor = NULL; in Q_PopHead()
408 q->head->prev = NULL; in Q_PopHead()
439 return NULL; in Q_PopTail()
447 q->head = q->tail = q->cursor = NULL; in Q_PopTail()
450 q->tail->next = NULL; in Q_PopTail()
480 return NULL; in Q_Next()
482 if(!q->cursor || q->cursor->next == NULL) in Q_Next()
483 return NULL; in Q_Next()
510 return NULL; in Q_Previous()
512 if(q->cursor->prev == NULL) in Q_Previous()
513 return NULL; in Q_Previous()
527 return NULL; in Q_Iter_Del()
529 if(iter == NULL) in Q_Iter_Del()
530 return NULL; in Q_Iter_Del()
556 if (n != NULL) { in Q_Iter_Del()
635 return NULL; in Q_Get()
637 if(q->cursor == NULL) in Q_Get()
638 return NULL; in Q_Get()
661 if(q->cursor == NULL) in Q_Put()
695 if (q == NULL) { in Q_Find()
794 if(index == NULL) in Q_Sort()
798 if(posn_index == NULL) { in Q_Sort()
820 while(dn != NULL) { in Q_Sort()
827 if(d != NULL) in Q_Sort()
901 if (q == NULL) { in Q_Seek()
902 return NULL; in Q_Seek()
907 return NULL; in Q_Seek()
913 return NULL; in Q_Seek()
943 if (q == NULL) { in Q_Insert()
957 return q ? (q_iter)q->head : NULL; in Q_Iter_Head()
961 return q ? (q_iter)q->tail : NULL; in Q_Iter_Tail()
965 return qi ? (q_iter)((node*)qi)->next : NULL; in Q_Iter_Next()
969 return qi ? (q_iter)((node*)qi)->prev : NULL; in Q_Iter_Prev()
973 return qi ? ((node*)qi)->data : NULL; in Q_Iter_Get()
