ui/secstring.h

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// -*- c++ -*-
//
// $Id: secstring.h 3342 2010-09-17 18:32:00Z java $
//
// Copyright (C) 2008-2010  Rafael Ostertag
//
// This file is part of YAPET.
//
// YAPET 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 of the License, or (at your option) any later
// version.
//
// YAPET 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
// YAPET.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef _SECSTRING_H
#define _SECSTRING_H

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#ifdef HAVE_STRING_H
# include <string.h>
#endif

#ifdef HAVE_MEMORY
# include <memory>
#endif

#ifdef HAVE_STRING
# include <string>
#endif

namespace YAPET {
    namespace UI {

        template <class T>
        class secallocator: public std::allocator<T> {
            public:
                void deallocate (typename std::allocator<T>::pointer p,
                                 typename std::allocator<T>::size_type n) {
                    memset (p, '0', n*sizeof (std::allocator<T>::value_type) );
                    std::allocator<T>::deallocate (p, n);
                }

        };

        typedef std::basic_string<char, std::char_traits<char>, secallocator<char> > secstring;

    }
}
#endif // _SECSTRING_H