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more/io/readline.h

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//  more/readline.h -- a wrapper around the autoconf test for readline
//  Copyright (C) 2001  Petter Urkedal (petter.urkedal@matfys.lth.se)
//
//  This file 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 of the License, or
//  (at your option) any later version.
//
//  This file 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 program; if not, write to the Free Software
//  Foundation, Inc., 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.
//
//  $Id: readline.h,v 1.1 2002/05/30 18:01:37 petter_urkedal Exp $


#ifndef MORE_READLINE_H
#define MORE_READLINE_H

#include <more/bits/config.h>
#if (defined(HAVE_READLINE_H) || defined(HAVE_READLINE_READLINE_H)) && \
    (defined(HAVE_HISTORY_H) || defined(HAVE_READLINE_HISTORY_H)) && \
    defined(HAVE_READLINE)
#define MORE_HAVE_READLINE 1
#endif

namespace more {
namespace io {

  /** Prompt the user for input.  Readline is used if it was detected
      by configure, otherwise the \c std::cout and \c std::cin are
      used. */
  char* readline(char* prompt);

  /** Add a history item to the readline history.  If readline was not
      detected by configure, this function does nothing. */
  void add_history(char* ln);
}
}

#endif

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