////////////////////////////////////////////////////////////////////////////////
/// @brief terimnal utilities using ncurses
///
/// @file
/// DISCLAIMER
///
/// Copyright 2004-2012 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Esteban Lombeyda
/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

#include "BasicsC/terminal-utils.h"

#ifdef HAVE_NCURSES

#include <term.h>
#include <curses.h>

// -----------------------------------------------------------------------------
// --SECTION--                                                  public functions
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @addtogroup Terminal
/// @{
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @brief returns the columns width
////////////////////////////////////////////////////////////////////////////////

int TRI_ColumnsWidth () {
  union { char * a; char const * b; } c;

  int ret;

  // initializing terminfo
  ret = setupterm(NULL, fileno(stdin), NULL);

  if (ret != 0) {
    return TRI_DEFAULT_COLUMNS;
  }

  // and extract the columns
  c.b = "cols";
  ret = tigetnum(c.a);

  return ret == -1 ? TRI_DEFAULT_COLUMNS : ret;
}

////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////

#endif

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