text: // Locale support -*- C++ -*-
  
  // Copyright (C) 2000, 2001, 2002, 2003 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
  
    extern "C" const u_int8_t _C_ctype_[];
  
    const ctype_base::mask*
    ctype<char>::classic_table() throw()
    { return _C_ctype_ + 1; }
  
    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;
    }
  