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dict.h
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1/*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
29 */
30/*
31** Author: Eric Veach, July 1994.
32**
33*/
34
35#ifndef __dict_list_h_
36#define __dict_list_h_
37
38/* Use #define's so that another heap implementation can use this one */
39
40#define DictKey DictListKey
41#define Dict DictList
42#define DictNode DictListNode
43
44#define dictNewDict(frame,leq) __gl_dictListNewDict(frame,leq)
45#define dictDeleteDict(dict) __gl_dictListDeleteDict(dict)
46
47#define dictSearch(dict,key) __gl_dictListSearch(dict,key)
48#define dictInsert(dict,key) __gl_dictListInsert(dict,key)
49#define dictInsertBefore(dict,node,key) __gl_dictListInsertBefore(dict,node,key)
50#define dictDelete(dict,node) __gl_dictListDelete(dict,node)
51
52#define dictKey(n) __gl_dictListKey(n)
53#define dictSucc(n) __gl_dictListSucc(n)
54#define dictPred(n) __gl_dictListPred(n)
55#define dictMin(d) __gl_dictListMin(d)
56#define dictMax(d) __gl_dictListMax(d)
57
58
59
60typedef void *DictKey;
61typedef struct Dict Dict;
62typedef struct DictNode DictNode;
63
65 void *frame,
66 int (*leq)(void *frame, DictKey key1, DictKey key2) );
67
68void dictDeleteDict( Dict *dict );
69
70/* Search returns the node with the smallest key greater than or equal
71 * to the given key. If there is no such key, returns a node whose
72 * key is NULL. Similarly, Succ(Max(d)) has a NULL key, etc.
73 */
74DictNode *dictSearch( Dict *dict, DictKey key );
75DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key );
76void dictDelete( Dict *dict, DictNode *node );
77
78#define __gl_dictListKey(n) ((n)->key)
79#define __gl_dictListSucc(n) ((n)->next)
80#define __gl_dictListPred(n) ((n)->prev)
81#define __gl_dictListMin(d) ((d)->head.next)
82#define __gl_dictListMax(d) ((d)->head.prev)
83#define __gl_dictListInsert(d,k) (dictInsertBefore((d),&(d)->head,(k)))
84
85
86/*** Private data structures ***/
87
88struct DictNode {
89 DictKey key;
90 DictNode *next;
91 DictNode *prev;
92};
93
94struct Dict {
95 DictNode head;
96 void *frame;
97 int (*leq)(void *frame, DictKey key1, DictKey key2);
98};
99
100#endif
#define DictNode
Definition dict-list.h:42
#define DictKey
Definition dict-list.h:40
#define dictDeleteDict(dict)
Definition dict.h:45
#define dictSearch(dict, key)
Definition dict.h:47
#define dictDelete(dict, node)
Definition dict.h:50
#define dictInsertBefore(dict, node, key)
Definition dict.h:49
#define DictNode
Definition dict.h:42
#define DictKey
Definition dict.h:40
#define dictNewDict(frame, leq)
Definition dict.h:44
#define Dict
Definition dict.h:41