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// Locale support -*- C++ -*-

// Copyright (C) 1997, 1998, 1999, 2000, 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, 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: 22.1  Locales

//

// Information as gleaned from /usr/include/ctype.h

  const ctype_base::mask*

  ctype<char>::classic_table() throw()

  { return 0; }

  ctype<char>::ctype(__c_locale, const mask* __table, bool __del,

                     size_t __refs)

  : facet(__refs), _M_del(__table != 0 && __del),

  _M_toupper(NULL), _M_tolower(NULL),

  _M_table(__table ? __table : classic_table())

  {

    memset(_M_widen, 0, sizeof(_M_widen));

    _M_widen_ok = 0;

    memset(_M_narrow, 0, sizeof(_M_narrow));

    _M_narrow_ok = 0;

  }

  ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)

  : facet(__refs), _M_del(__table != 0 && __del),

  _M_toupper(NULL), _M_tolower(NULL),

  _M_table(__table ? __table : classic_table())

  {

    memset(_M_widen, 0, sizeof(_M_widen));

    _M_widen_ok = 0;

    memset(_M_narrow, 0, sizeof(_M_narrow));

    _M_narrow_ok = 0;

  }

  char

  ctype<char>::do_toupper(char __c) const

  { return ::toupper((int) __c); }

  const char*

  ctype<char>::do_toupper(char* __low, const char* __high) const

  {

    while (__low < __high)

      {

        *__low = ::toupper((int) *__low);

        ++__low;

      }

    return __high;

  }

  char

  ctype<char>::do_tolower(char __c) const

  { return ::tolower((int) __c); }

  const char*

  ctype<char>::do_tolower(char* __low, const char* __high) const

  {

    while (__low < __high)

      {

        *__low = ::tolower((int) *__low);

        ++__low;

      }

    return __high;

  }