1 /******************************************************************************
2  *
3  *  Copyright (C) 2014 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #ifndef _HASH_FUNCTIONS_H_
20 #define _HASH_FUNCTIONS_H_
21 
22 #include "osi/hash_map.h"
23 
24 typedef unsigned char hash_key_t[4];
25 
26 hash_index_t hash_function_naive(const void *key);
27 
28 hash_index_t hash_function_integer(const void *key);
29 
30 // Hashes a pointer based only on its address value
31 hash_index_t hash_function_pointer(const void *key);
32 
33 hash_index_t hash_function_string(const void *key);
34 
35 void hash_function_blob(const unsigned char *s, unsigned int len, hash_key_t h);
36 
37 #endif /* _HASH_FUNCTIONS_H_ */
38