20#include <freetds/bool.h> 
   21#include <freetds/utils.h> 
   22#include <freetds/macros.h> 
   24#if !defined(DLIST_PREFIX) || !defined(DLIST_ITEM_TYPE) || !defined(DLIST_LIST_TYPE) 
   25#error Required defines for dlist missing! 
   28#if defined(DLIST_NAME) || defined(DLIST_PASTER) || \ 
   29    defined(DLIST_EVALUATOR) || defined(DLIST_ITEM) 
   30#error Some internal dlist macros already defined 
   38#define DLIST_PASTER(x,y) x ## _ ## y 
   39#define DLIST_EVALUATOR(x,y)  DLIST_PASTER(x,y) 
   40#define DLIST_NAME(suffix) DLIST_EVALUATOR(DLIST_PREFIX, suffix) 
   41#define DLIST_ITEM(ring) \ 
   42    ((DLIST_ITEM_TYPE *) (((char *) (ring)) - TDS_OFFSET(DLIST_ITEM_TYPE, DLIST_NAME(item)))) 
   46#if ENABLE_EXTRA_CHECKS 
   48    dlist_ring_check(&list->ring);
 
   54    list->ring.next = list->ring.prev = &list->ring;
 
   55    DLIST_NAME(check)(list);
 
   60    return list->ring.next == &list->ring ? NULL : DLIST_ITEM(list->ring.next);
 
   65    return list->ring.prev == &list->ring ? NULL : DLIST_ITEM(list->ring.prev);
 
   68static inline DLIST_ITEM_TYPE *DLIST_NAME(next)(
DLIST_LIST_TYPE *list, DLIST_ITEM_TYPE *item)
 
   70    return item->DLIST_NAME(item).next == &list->ring ? NULL : DLIST_ITEM(item->DLIST_NAME(item).next);
 
   73static inline DLIST_ITEM_TYPE *DLIST_NAME(prev)(
DLIST_LIST_TYPE *list, DLIST_ITEM_TYPE *item)
 
   75    return item->DLIST_NAME(item).prev == &list->ring ? NULL : DLIST_ITEM(item->DLIST_NAME(item).prev);
 
   78static inline void DLIST_NAME(prepend)(
DLIST_LIST_TYPE *list, DLIST_ITEM_TYPE *item)
 
   80    DLIST_NAME(check)(list);
 
   81    dlist_insert_after(&list->ring, &item->DLIST_NAME(item));
 
   82    DLIST_NAME(check)(list);
 
   85static inline void DLIST_NAME(append)(
DLIST_LIST_TYPE *list, DLIST_ITEM_TYPE *item)
 
   87    DLIST_NAME(check)(list);
 
   88    dlist_insert_after(list->ring.prev, &item->DLIST_NAME(item));
 
   89    DLIST_NAME(check)(list);
 
   92static inline void DLIST_NAME(remove)(
DLIST_LIST_TYPE *list, DLIST_ITEM_TYPE *item)
 
   94    dlist_ring *prev = item->DLIST_NAME(item).prev, *next = item->DLIST_NAME(item).next;
 
   95    DLIST_NAME(check)(list);
 
  100    item->DLIST_NAME(item).prev = NULL;
 
  101    item->DLIST_NAME(item).next = NULL;
 
  102    DLIST_NAME(check)(list);
 
  105static inline bool DLIST_NAME(in_list)(
DLIST_LIST_TYPE *list, DLIST_ITEM_TYPE *item)
 
  107    DLIST_NAME(check)(list);
 
  108    return item->DLIST_NAME(item).prev != NULL || item->DLIST_NAME(item).next != NULL;
 
  113#undef DLIST_ITEM_TYPE 
  114#undef DLIST_LIST_TYPE 
  117#undef DLIST_EVALUATOR 
Definition dlist.tmpl.h:34