- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- #ifndef __JAR_DS_h_
- #define __JAR_DS_h_
- /* Typedefs */
- typedef struct ZZLinkStr ZZLink;
- typedef struct ZZListStr ZZList;
- /*
- ** Circular linked list. Each link contains a pointer to the object that
- ** is actually in the list.
- */
- struct ZZLinkStr
- {
- ZZLink *next;
- ZZLink *prev;
- JAR_Item *thing;
- };
- struct ZZListStr
- {
- ZZLink link;
- };
- #define ZZ_InitList(lst)
- {
- (lst)->link.next = &(lst)->link;
- (lst)->link.prev = &(lst)->link;
- (lst)->link.thing = 0;
- }
- #define ZZ_ListEmpty(lst)
- ((lst)->link.next == &(lst)->link)
- #define ZZ_ListHead(lst)
- ((lst)->link.next)
- #define ZZ_ListTail(lst)
- ((lst)->link.prev)
- #define ZZ_ListIterDone(lst,lnk)
- ((lnk) == &(lst)->link)
- #define ZZ_AppendLink(lst,lnk)
- {
- (lnk)->next = &(lst)->link;
- (lnk)->prev = (lst)->link.prev;
- (lst)->link.prev->next = (lnk);
- (lst)->link.prev = (lnk);
- }
- #define ZZ_InsertLink(lst,lnk)
- {
- (lnk)->next = (lst)->link.next;
- (lnk)->prev = &(lst)->link;
- (lst)->link.next->prev = (lnk);
- (lst)->link.next = (lnk);
- }
- #define ZZ_RemoveLink(lnk)
- {
- (lnk)->next->prev = (lnk)->prev;
- (lnk)->prev->next = (lnk)->next;
- (lnk)->next = 0;
- (lnk)->prev = 0;
- }
- extern ZZLink *ZZ_NewLink (JAR_Item *thing);
- extern void ZZ_DestroyLink (ZZLink *link);
- extern ZZList *ZZ_NewList (void);
- extern void ZZ_DestroyList (ZZList *list);
- #endif /* __JAR_DS_h_ */