FreeNOS
HashFunction.h
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1 /*
2  * Copyright (C) 2015 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __LIBSTD_HASH_FUNCTION_H
19 #define __LIBSTD_HASH_FUNCTION_H
20 
21 #include "Types.h"
22 #include "String.h"
23 
33 #define FNV_PRIME 16777619
34 
36 #define FNV_INIT 0x811c9dc5
37 
46 Size hash(const String & key, Size mod);
47 
56 Size hash(int key, Size mod);
57 
63 #endif /* __LIBSTD_HASH_FUNCTION_H */
Types.h
hash
Size hash(const String &key, Size mod)
Compute a hash using the FNV algorithm.
Definition: HashFunction.cpp:21
String
Abstraction of strings.
Definition: String.h:41
Size
unsigned int Size
Any sane size indicator cannot go negative.
Definition: Types.h:128
String.h