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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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_ */
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