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// Wrapper for underlying C-language localization -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004, 2005 

// Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 2, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// As a special exception, you may use this file as part of a free software

// library without restriction.  Specifically, if other files instantiate

// templates or use macros or inline functions from this file, or you compile

// this file and link it with other files to produce an executable, this

// file does not by itself cause the resulting executable to be covered by

// the GNU General Public License.  This exception does not however

// invalidate any other reasons why the executable file might be covered by

// the GNU General Public License.

//

// ISO C++ 14882: 22.8  Standard locale categories.

//

// Written by Benjamin Kosnik <bkoz@redhat.com>

#include <cerrno>  // For errno

#include <locale>

#include <stdexcept>

#include <langinfo.h>

#include <bits/c++locale_internal.h>

namespace std

{

  template<>

    void

    __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,

                   const __c_locale& __cloc)

    {

      char* __sanity;

      errno = 0;

      float __f = __strtof_l(__s, &__sanity, __cloc);

      if (__sanity != __s && errno != ERANGE)

        __v = __f;

      else

        __err |= ios_base::failbit;

    }

  template<>

    void

    __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err,

                   const __c_locale& __cloc)

    {

      char* __sanity;

      errno = 0;

      double __d = __strtod_l(__s, &__sanity, __cloc);

      if (__sanity != __s && errno != ERANGE)

        __v = __d;

      else

        __err |= ios_base::failbit;

    }

  template<>

    void

    __convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err,

                   const __c_locale& __cloc)

    {

      char* __sanity;

      errno = 0;

      long double __ld = __strtold_l(__s, &__sanity, __cloc);

      if (__sanity != __s && errno != ERANGE)

        __v = __ld;

      else

        __err |= ios_base::failbit;

    }

  void

  locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s,

                                    __c_locale __old)

  {

    __cloc = __newlocale(1 << LC_ALL, __s, __old);

    if (!__cloc)

      {

        // This named locale is not supported by the underlying OS.

        __throw_runtime_error(__N("locale::facet::_S_create_c_locale "

                              "name not valid"));

      }

  }

  void

  locale::facet::_S_destroy_c_locale(__c_locale& __cloc)

  {

    if (__cloc && _S_get_c_locale() != __cloc)

      __freelocale(__cloc);

  }

  __c_locale

  locale::facet::_S_clone_c_locale(__c_locale& __cloc)

  { return __duplocale(__cloc); }

} // namespace std

namespace __gnu_cxx

{

  const char* const category_names[6 + _GLIBCXX_NUM_CATEGORIES] =

    {

      "LC_CTYPE",

      "LC_NUMERIC",

      "LC_TIME",

      "LC_COLLATE",

      "LC_MONETARY",

      "LC_MESSAGES",

      "LC_PAPER",

      "LC_NAME",

      "LC_ADDRESS",

      "LC_TELEPHONE",

      "LC_MEASUREMENT",

      "LC_IDENTIFICATION"

    };

}

namespace std

{

  const char* const* const locale::_S_categories = __gnu_cxx::category_names;

}  // namespace std