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/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
**
** http://oss.sgi.com/projects/FreeB
**
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
**
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
**
** Additional Notice Provisions: The application programming interfaces
** established by SGI in conjunction with the Original Code are The
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
** Window System(R) (Version 1.3), released October 19, 1998. This software
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
**
*/
/*
** Author: Eric Veach, July 1994.
**
** $Date$ $Revision$
** $Header$
*/
#ifndef __dict_list_h_
#define __dict_list_h_
/* Use #define's so that another heap implementation can use this one */
#define DictKey DictListKey
#define Dict DictList
#define DictNode DictListNode
#define dictNewDict(frame,leq) __gl_dictListNewDict(frame,leq)
#define dictDeleteDict(dict) __gl_dictListDeleteDict(dict)
#define dictSearch(dict,key) __gl_dictListSearch(dict,key)
#define dictInsert(dict,key) __gl_dictListInsert(dict,key)
#define dictInsertBefore(dict,node,key) __gl_dictListInsertBefore(dict,node,key)
#define dictDelete(dict,node) __gl_dictListDelete(dict,node)
#define dictKey(n) __gl_dictListKey(n)
#define dictSucc(n) __gl_dictListSucc(n)
#define dictPred(n) __gl_dictListPred(n)
#define dictMin(d) __gl_dictListMin(d)
#define dictMax(d) __gl_dictListMax(d)
typedef void *DictKey;
typedef struct Dict Dict;
typedef struct DictNode DictNode;
Dict *dictNewDict(
void *frame,
int (*leq)(void *frame, DictKey key1, DictKey key2) );
void dictDeleteDict( Dict *dict );
/* Search returns the node with the smallest key greater than or equal
* to the given key. If there is no such key, returns a node whose
* key is NULL. Similarly, Succ(Max(d)) has a NULL key, etc.
*/
DictNode *dictSearch( Dict *dict, DictKey key );
DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key );
void dictDelete( Dict *dict, DictNode *node );
#define __gl_dictListKey(n) ((n)->key)
#define __gl_dictListSucc(n) ((n)->next)
#define __gl_dictListPred(n) ((n)->prev)
#define __gl_dictListMin(d) ((d)->head.next)
#define __gl_dictListMax(d) ((d)->head.prev)
#define __gl_dictListInsert(d,k) (dictInsertBefore((d),&(d)->head,(k)))
/*** Private data structures ***/
struct DictNode {
DictKey key;
DictNode *next;
DictNode *prev;
};
struct Dict {
DictNode head;
void *frame;
int (*leq)(void *frame, DictKey key1, DictKey key2);
};
#endif
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