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// std::messages implementation details, GNU version -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010

// 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 3, 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.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

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

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

/** @file bits/messages_members.h

 *  This is an internal header file, included by other library headers.

 *  Do not attempt to use it directly. @headername{locale}

 */

//

// ISO C++ 14882: 22.2.7.1.2  messages functions

//

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

#include <libintl.h>

namespace std _GLIBCXX_VISIBILITY(default)

{

_GLIBCXX_BEGIN_NAMESPACE_VERSION

  // Non-virtual member functions.

  template<typename _CharT>

     messages<_CharT>::messages(size_t __refs)

     : facet(__refs), _M_c_locale_messages(_S_get_c_locale()),

       _M_name_messages(_S_get_c_name())

     { }

  template<typename _CharT>

     messages<_CharT>::messages(__c_locale __cloc, const char* __s,

                                size_t __refs)

     : facet(__refs), _M_c_locale_messages(0), _M_name_messages(0)

     {

       if (__builtin_strcmp(__s, _S_get_c_name()) != 0)

         {

           const size_t __len = __builtin_strlen(__s) + 1;

           char* __tmp = new char[__len];

           __builtin_memcpy(__tmp, __s, __len);

           _M_name_messages = __tmp;

         }

       else

         _M_name_messages = _S_get_c_name();

       // Last to avoid leaking memory if new throws.

       _M_c_locale_messages = _S_clone_c_locale(__cloc);

     }

  template<typename _CharT>

    typename messages<_CharT>::catalog

    messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,

                           const char* __dir) const

    {

      bindtextdomain(__s.c_str(), __dir);

      return this->do_open(__s, __loc);

    }

  // Virtual member functions.

  template<typename _CharT>

    messages<_CharT>::~messages()

    {

      if (_M_name_messages != _S_get_c_name())

        delete [] _M_name_messages;

      _S_destroy_c_locale(_M_c_locale_messages);

    }

  template<typename _CharT>

    typename messages<_CharT>::catalog

    messages<_CharT>::do_open(const basic_string<char>& __s,

                              const locale&) const

    {

      // No error checking is done, assume the catalog exists and can

      // be used.

      textdomain(__s.c_str());

      return 0;

    }

  template<typename _CharT>

    void

    messages<_CharT>::do_close(catalog) const

    { }

   // messages_byname

   template<typename _CharT>

     messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)

     : messages<_CharT>(__refs)

     {

       if (this->_M_name_messages != locale::facet::_S_get_c_name())

         {

           delete [] this->_M_name_messages;

           if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0)

             {

               const size_t __len = __builtin_strlen(__s) + 1;

               char* __tmp = new char[__len];

               __builtin_memcpy(__tmp, __s, __len);

               this->_M_name_messages = __tmp;

             }

           else

             this->_M_name_messages = locale::facet::_S_get_c_name();

         }

       if (__builtin_strcmp(__s, "C") != 0

           && __builtin_strcmp(__s, "POSIX") != 0)

         {

           this->_S_destroy_c_locale(this->_M_c_locale_messages);

           this->_S_create_c_locale(this->_M_c_locale_messages, __s);

         }

     }

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace