| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1999-2015 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Written by Ulrich Drepper, <drepper@cygnus.com>. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | |
| 20 | /* The hashing function used for the table with collation symbols. */ |
| 21 | static int32_t __attribute__ ((pure, unused)) |
| 22 | elem_hash (const char *str, int_fast32_t n) |
| 23 | { |
| 24 | int32_t result = n; |
| 25 | |
| 26 | while (n-- > 0) |
| 27 | { |
| 28 | result <<= 3; |
| 29 | result += *str++; |
| 30 | } |
| 31 | |
| 32 | return result; |
| 33 | } |