gcc/libstdc++-v3/config/locale/gnu/messages_members.cc

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

// Copyright (C) 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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: 22.2.7.1.2  messages virtual functions
//

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

#include <locale>

namespace std
{
  // Specializations.
  template<>
    string
    messages<char>::do_get(catalog, int, int, const string& __dfault) const
    {
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
      __c_locale __old = __uselocale(_M_c_locale_messages);
      const char* __msg = const_cast<const char*>(gettext(__dfault.c_str()));
      __uselocale(__old);
      return string(__msg);
#else
      const char* __old = setlocale(LC_ALL, _M_name_messages);
      const char* __msg = gettext(__dfault.c_str());
      setlocale(LC_ALL, __old);
      return string(__msg);
#endif
    }
}