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85 lines
2.6 KiB
85 lines
2.6 KiB
#ifndef __dict_list_h_
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#define __dict_list_h_
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/*
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** Copyright 1994, Silicon Graphics, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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** the contents of this file may not be disclosed to third parties, copied or
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** duplicated in any form, in whole or in part, without the prior written
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** permission of Silicon Graphics, Inc.
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**
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** RESTRICTED RIGHTS LEGEND:
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** Use, duplication or disclosure by the Government is subject to restrictions
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** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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** rights reserved under the Copyright Laws of the United States.
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**
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** Author: Eric Veach, July 1994.
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*/
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/* Use #define's so that another heap implementation can use this one */
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#define DictKey DictListKey
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#define Dict DictList
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#define DictNode DictListNode
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#define dictNewDict(frame,leq) __gl_dictListNewDict(frame,leq)
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#define dictDeleteDict(dict) __gl_dictListDeleteDict(dict)
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#define dictSearch(dict,key) __gl_dictListSearch(dict,key)
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#define dictInsert(dict,key) __gl_dictListInsert(dict,key)
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#define dictInsertBefore(dict,node,key) __gl_dictListInsertBefore(dict,node,key)
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#define dictDelete(dict,node) __gl_dictListDelete(dict,node)
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#define dictKey(n) __gl_dictListKey(n)
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#define dictSucc(n) __gl_dictListSucc(n)
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#define dictPred(n) __gl_dictListPred(n)
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#define dictMin(d) __gl_dictListMin(d)
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#define dictMax(d) __gl_dictListMax(d)
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typedef void *DictKey;
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typedef struct Dict Dict;
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typedef struct DictNode DictNode;
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Dict *dictNewDict(
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void *frame,
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int (*leq)(void *frame, DictKey key1, DictKey key2) );
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void dictDeleteDict( Dict *dict );
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/* Search returns the node with the smallest key greater than or equal
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* to the given key. If there is no such key, returns a node whose
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* key is NULL. Similarly, Succ(Max(d)) has a NULL key, etc.
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*/
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DictNode *dictSearch( Dict *dict, DictKey key );
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DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key );
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void dictDelete( Dict *dict, DictNode *node );
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#define __gl_dictListKey(n) ((n)->key)
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#define __gl_dictListSucc(n) ((n)->next)
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#define __gl_dictListPred(n) ((n)->prev)
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#define __gl_dictListMin(d) ((d)->head.next)
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#define __gl_dictListMax(d) ((d)->head.prev)
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#define __gl_dictListInsert(d,k) (dictInsertBefore((d),&(d)->head,(k)))
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/*** Private data structures ***/
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struct DictNode {
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DictKey key;
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DictNode *next;
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DictNode *prev;
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};
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struct Dict {
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DictNode head;
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void *frame;
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int (*leq)(void *frame, DictKey key1, DictKey key2);
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};
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#endif
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