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100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*/
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/*
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** Author: Eric Veach, July 1994.
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**
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*/
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#ifndef __dict_list_h_
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#define __dict_list_h_
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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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