1 | /* Copyright (C) 1999-2023 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | |
19 | /* The hashing function used for the table with collation symbols. */ |
20 | static int32_t __attribute__ ((pure, unused)) |
21 | elem_hash (const char *str, int32_t n) |
22 | { |
23 | int32_t result = n; |
24 | |
25 | while (n-- > 0) |
26 | { |
27 | result <<= 3; |
28 | result += *str++; |
29 | } |
30 | |
31 | return result; |
32 | } |
33 | |