locale/global-locale.c

   1 /* Locale object representing the global locale controlled by setlocale.
   2    Copyright (C) 2002-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 #include <locale.h>
  20 #include "localeinfo.h"
  21
  22 #define DEFINE_CATEGORY(category, category_name, items, a) \
  23 extern struct __locale_data _nl_C_##category; weak_extern (_nl_C_##category)
  24 #include "categories.def"
  25 #undef  DEFINE_CATEGORY
  26
  27 /* Defined in locale/C-ctype.c.  */
  28 extern const char _nl_C_LC_CTYPE_class[] attribute_hidden;
  29 extern const char _nl_C_LC_CTYPE_toupper[] attribute_hidden;
  30 extern const char _nl_C_LC_CTYPE_tolower[] attribute_hidden;
  31 weak_extern (_nl_C_LC_CTYPE_class)
  32 weak_extern (_nl_C_LC_CTYPE_toupper)
  33 weak_extern (_nl_C_LC_CTYPE_tolower)
  34
  35 /* Here we define the locale object maintained by setlocale.
  36    The references in the initializer are weak, so the parts of
  37    the structure that are never referred to will be zero.  */
  38
  39 struct __locale_struct _nl_global_locale attribute_hidden =
  40   {
  41     .__locales =
  42     {
  43 #define DEFINE_CATEGORY(category, category_name, items, a) \
  44       [category] = &_nl_C_##category,
  45 #include "categories.def"
  46 #undef  DEFINE_CATEGORY
  47     },
  48     .__names =
  49     {
  50       [LC_ALL] = _nl_C_name,
  51 #define DEFINE_CATEGORY(category, category_name, items, a) \
  52       [category] = _nl_C_name,
  53 #include "categories.def"
  54 #undef  DEFINE_CATEGORY
  55     },
  56     .__ctype_b = (const unsigned short int *) _nl_C_LC_CTYPE_class + 128,
  57     .__ctype_tolower = (const int *) _nl_C_LC_CTYPE_tolower + 128,
  58     .__ctype_toupper = (const int *) _nl_C_LC_CTYPE_toupper + 128
  59   };
  60
  61 #include <tls.h>
  62
  63 /* The tsd macros don't permit an initializer.  */
  64 __thread locale_t __libc_tsd_LOCALE = &_nl_global_locale;