Mercurial > gnulib
annotate lib/localename-table.c @ 40196:e63f5d3edab5
relocatable-prog: Update documentation.
* doc/relocatable-maint.texi (Supporting Relocation): Update to match
the recent changes.
author | Bruno Haible <bruno@clisp.org> |
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date | Sun, 24 Feb 2019 01:49:15 +0100 |
parents | b06060465f09 |
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1 /* Table that maps a locale object to the names of the locale categories. |
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2 Copyright (C) 2018-2019 Free Software Foundation, Inc. |
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3 |
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4 This program is free software: you can redistribute it and/or modify |
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5 it under the terms of the GNU Lesser General Public License as published by |
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6 the Free Software Foundation; either version 2.1 of the License, or |
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7 (at your option) any later version. |
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8 |
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9 This program is distributed in the hope that it will be useful, |
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 GNU Lesser General Public License for more details. |
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13 |
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14 You should have received a copy of the GNU Lesser General Public License |
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15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
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16 |
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2018. */ |
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18 |
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19 #include <config.h> |
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20 |
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21 #if HAVE_WORKING_USELOCALE && HAVE_NAMELESS_LOCALES |
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22 |
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23 /* Specification. */ |
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24 #include "localename-table.h" |
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25 |
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26 #include <stdint.h> |
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27 |
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28 /* A hash function for pointers. */ |
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29 size_t _GL_ATTRIBUTE_CONST |
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30 locale_hash_function (locale_t x) |
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31 { |
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32 uintptr_t p = (uintptr_t) x; |
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33 size_t h = ((p % 4177) << 12) + ((p % 79) << 6) + (p % 61); |
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34 return h; |
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35 } |
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36 |
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37 struct locale_hash_node * locale_hash_table[LOCALE_HASH_TABLE_SIZE] |
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38 /* = { NULL, ..., NULL } */; |
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39 |
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40 gl_rwlock_define_initialized(, locale_lock) |
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41 |
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42 #else |
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43 |
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44 /* This declaration is solely to ensure that after preprocessing |
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45 this file is never empty. */ |
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46 typedef int dummy; |
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47 |
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48 #endif |