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// std::messages implementation details, GNU version -*- C++ -*-
 
// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009
// 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 messages_members.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */
 
//
// ISO C++ 14882: 22.2.7.1.2  messages functions
//
 
// Written by Benjamin Kosnik <bkoz@redhat.com>
 
#include <libintl.h>
 
_GLIBCXX_BEGIN_NAMESPACE(std)
 
  // 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(NULL), _M_name_messages(NULL)
     {
       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