blob: 7fe87addde5cc62550700b696dea36853406661b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/**
* mds — A micro-display server
* Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MDS_LIBMDSSERVER_HASH_HELP_H
#define MDS_LIBMDSSERVER_HASH_HELP_H
#include <stdlib.h>
/**
* Calculate the hash of a string
*
* @param str The string
* @return The hash of the string
*/
static inline size_t __attribute__((const)) string_hash(const char* str)
{
size_t hash = 0;
if (str != NULL)
while (*str != '\0')
hash = hash * 31 + (size_t)(unsigned char)*str++;
return hash;
}
#endif
|
