1 /**************************************************************************
2  *
3  * Copyright 2008 VMware, Inc.
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
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11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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27 
28 /**
29  * General purpose hash table.
30  */
31 
32 #ifndef U_HASH_TABLE_H_
33 #define U_HASH_TABLE_H_
34 
35 
36 #include "pipe/p_defines.h"
37 #include "util/hash_table.h"
38 
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /**
45  * Create a hash table where the keys are generic pointers.
46  */
47 struct hash_table *
48 util_hash_table_create_ptr_keys(void);
49 
50 
51 /**
52  * Create a hash table where the keys are device FDs.
53  */
54 struct hash_table *
55 util_hash_table_create_fd_keys(void);
56 
57 
58 void *
59 util_hash_table_get(struct hash_table *ht,
60                     void *key);
61 
62 
63 enum pipe_error
64 util_hash_table_foreach(struct hash_table *ht,
65                         enum pipe_error (*callback)
66                         (void *key, void *value, void *data),
67                         void *data);
68 
69 #ifdef __cplusplus
70 }
71 #endif
72 
73 #endif /* U_HASH_TABLE_H_ */
74