mirror of
https://github.com/rn10950/RetroZilla.git
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110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __JAR_DS_h_
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#define __JAR_DS_h_
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/* Typedefs */
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typedef struct ZZLinkStr ZZLink;
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typedef struct ZZListStr ZZList;
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/*
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** Circular linked list. Each link contains a pointer to the object that
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** is actually in the list.
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*/
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struct ZZLinkStr
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{
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ZZLink *next;
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ZZLink *prev;
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JAR_Item *thing;
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};
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struct ZZListStr
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{
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ZZLink link;
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};
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#define ZZ_InitList(lst) \
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{ \
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(lst)->link.next = &(lst)->link; \
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(lst)->link.prev = &(lst)->link; \
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(lst)->link.thing = 0; \
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}
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#define ZZ_ListEmpty(lst) \
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((lst)->link.next == &(lst)->link)
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#define ZZ_ListHead(lst) \
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((lst)->link.next)
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#define ZZ_ListTail(lst) \
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((lst)->link.prev)
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#define ZZ_ListIterDone(lst,lnk) \
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((lnk) == &(lst)->link)
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#define ZZ_AppendLink(lst,lnk) \
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{ \
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(lnk)->next = &(lst)->link; \
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(lnk)->prev = (lst)->link.prev; \
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(lst)->link.prev->next = (lnk); \
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(lst)->link.prev = (lnk); \
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}
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#define ZZ_InsertLink(lst,lnk) \
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{ \
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(lnk)->next = (lst)->link.next; \
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(lnk)->prev = &(lst)->link; \
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(lst)->link.next->prev = (lnk); \
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(lst)->link.next = (lnk); \
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}
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#define ZZ_RemoveLink(lnk) \
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{ \
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(lnk)->next->prev = (lnk)->prev; \
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(lnk)->prev->next = (lnk)->next; \
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(lnk)->next = 0; \
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(lnk)->prev = 0; \
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}
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extern ZZLink *ZZ_NewLink (JAR_Item *thing);
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extern void ZZ_DestroyLink (ZZLink *link);
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extern ZZList *ZZ_NewList (void);
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extern void ZZ_DestroyList (ZZList *list);
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#endif /* __JAR_DS_h_ */
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