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#ifndef _DBLLNKLST_H_
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#define _DBLLNKLST_H_
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#include "vm_basic_types.h"
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#define INCLUDE_ALLOW_MODULE
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#define INCLUDE_ALLOW_USERLEVEL
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#include "includeCheck.h"
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#include "vm_basic_types.h"
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#define DblLnkLst_OffsetOf(type, field) ((intptr_t)&((type *)0)->field)
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#define DblLnkLst_Container(addr, type, field) \
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((type *)((char *)addr - DblLnkLst_OffsetOf(type, field)))
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((type *)((char *)(addr) - DblLnkLst_OffsetOf(type, field)))
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#define DblLnkLst_ForEach(curr, head) \
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for (curr = (head)->next; curr != (head); curr = (curr)->next)
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/* Functions for both circular and anchored lists. --hpreg */
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void DblLnkLst_Init(DblLnkLst_Links *l);
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void DblLnkLst_Link(DblLnkLst_Links *l1, DblLnkLst_Links *l2);
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void DblLnkLst_Unlink(DblLnkLst_Links *l1, DblLnkLst_Links *l2);
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void DblLnkLst_Unlink1(DblLnkLst_Links *l);
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Bool DblLnkLst_IsLinked(DblLnkLst_Links const *l);
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/* Functions specific to anchored lists. --hpreg */
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void DblLnkLst_LinkFirst(DblLnkLst_Links *head, DblLnkLst_Links *l);
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void DblLnkLst_LinkLast(DblLnkLst_Links *head, DblLnkLst_Links *l);
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* DblLnkLst_LinkFirst and DblLnkLst_LinkLast are specific
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* to anchored lists. The rest are for both circular and
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*----------------------------------------------------------------------
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* Initialize a member of a doubly linked list
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*----------------------------------------------------------------------
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DblLnkLst_Init(DblLnkLst_Links *l) // IN
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l->prev = l->next = l;
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*----------------------------------------------------------------------
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* Merge two doubly linked lists into one
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* The operation is commutative
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* The operation is inversible (its inverse is DblLnkLst_Unlink)
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*----------------------------------------------------------------------
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DblLnkLst_Link(DblLnkLst_Links *l1, // IN
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DblLnkLst_Links *l2) // IN
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DblLnkLst_Links *tmp;
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(tmp = l1->prev)->next = l2;
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(l1->prev = l2->prev)->next = l1;
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*----------------------------------------------------------------------
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* DblLnkLst_Unlink --
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* Split one doubly linked list into two
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* No check is performed: the caller must ensure that both members
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* belong to the same doubly linked list
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* The operation is commutative
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* The operation is inversible (its inverse is DblLnkLst_Link)
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*----------------------------------------------------------------------
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DblLnkLst_Unlink(DblLnkLst_Links *l1, // IN
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DblLnkLst_Links *l2) // IN
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DblLnkLst_Links *tmp;
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(l1->prev = l2->prev)->next = l1;
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(l2->prev = tmp )->next = l2;
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*----------------------------------------------------------------------
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* DblLnkLst_Unlink1 --
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* Unlink an element from its list.
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*----------------------------------------------------------------------
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DblLnkLst_Unlink1(DblLnkLst_Links *l) // IN
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DblLnkLst_Unlink(l, l->next);
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*----------------------------------------------------------------------------
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* DblLnkLst_IsLinked --
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* Determines whether an element is linked with any other elements.
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* TRUE if link is linked, FALSE otherwise.
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*----------------------------------------------------------------------------
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DblLnkLst_IsLinked(DblLnkLst_Links const *l) // IN
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* A DblLnkLst_Links is either linked to itself (not linked) or linked to
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* other elements in a list (linked).
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*----------------------------------------------------------------------
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* DblLnkLst_LinkFirst --
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* Insert 'l' at the beginning of the list anchored at 'head'
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*----------------------------------------------------------------------
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DblLnkLst_LinkFirst(DblLnkLst_Links *head, // IN
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DblLnkLst_Links *l) // IN
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DblLnkLst_Link(head->next, l);
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*----------------------------------------------------------------------
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* DblLnkLst_LinkLast --
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* Insert 'l' at the end of the list anchored at 'head'
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*----------------------------------------------------------------------
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DblLnkLst_LinkLast(DblLnkLst_Links *head, // IN
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DblLnkLst_Links *l) // IN
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DblLnkLst_Link(head, l);
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#endif /* _DBLLNKLST_H_ */
added
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lib/include/dbllnklst.h
