1 /* Table that maps a locale object to the names of the locale categories. 2 Copyright (C) 2018-2019 Free Software Foundation, Inc. 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 <https://www.gnu.org/licenses/>. */ 16 17 /* Written by Bruno Haible <bruno@clisp.org>, 2018. */ 18 19 #include <config.h> 20 21 #if HAVE_WORKING_USELOCALE && HAVE_NAMELESS_LOCALES 22 23 /* Specification. */ 24 #include "localename-table.h" 25 26 #include <stdint.h> 27 28 /* A hash function for pointers. */ 29 size_t _GL_ATTRIBUTE_CONST locale_hash_function(locale_t x)30locale_hash_function (locale_t x) 31 { 32 uintptr_t p = (uintptr_t) x; 33 size_t h = ((p % 4177) << 12) + ((p % 79) << 6) + (p % 61); 34 return h; 35 } 36 37 struct locale_hash_node * locale_hash_table[LOCALE_HASH_TABLE_SIZE] 38 /* = { NULL, ..., NULL } */; 39 40 gl_rwlock_define_initialized(, locale_lock) 41 42 #else 43 44 /* This declaration is solely to ensure that after preprocessing 45 this file is never empty. */ 46 typedef int dummy; 47 48 #endif 49