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
46Size hash(const String & key, Size mod);
47
56Size hash(int key, Size mod);
57
63#endif /* __LIBSTD_HASH_FUNCTION_H */
Abstraction of strings.
Definition String.h:42
Size hash(const String &key, Size mod)
Compute a hash using the FNV algorithm.
unsigned int Size
Any sane size indicator cannot go negative.
Definition Types.h:128