1/**
2 * \file hash.h
3 * Generic hash table.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 * Version:  6.5.1
9 *
10 * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30
31#ifndef HASH_H
32#define HASH_H
33
34
35#include "glheader.h"
36
37
38extern struct _mesa_HashTable *_mesa_NewHashTable(void);
39
40extern void _mesa_DeleteHashTable(struct _mesa_HashTable *table);
41
42extern void *_mesa_HashLookup(struct _mesa_HashTable *table, GLuint key);
43
44extern void _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data);
45
46extern void _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key);
47
48extern void
49_mesa_HashDeleteAll(struct _mesa_HashTable *table,
50                    void (*callback)(GLuint key, void *data, void *userData),
51                    void *userData);
52
53extern void
54_mesa_HashWalk(const struct _mesa_HashTable *table,
55               void (*callback)(GLuint key, void *data, void *userData),
56               void *userData);
57
58extern GLuint _mesa_HashFirstEntry(struct _mesa_HashTable *table);
59
60extern GLuint _mesa_HashNextEntry(const struct _mesa_HashTable *table, GLuint key);
61
62extern void _mesa_HashPrint(const struct _mesa_HashTable *table);
63
64extern GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys);
65
66extern GLuint
67_mesa_HashNumEntries(const struct _mesa_HashTable *table);
68
69extern void _mesa_test_hash_functions(void);
70
71
72#endif
73