text: /****************************************************************************
   * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
   *                                                                          *
   * Permission is hereby granted, free of charge, to any person obtaining a  *
   * copy of this software and associated documentation files (the            *
   * "Software"), to deal in the Software without restriction, including      *
   * without limitation the rights to use, copy, modify, merge, publish,      *
   * distribute, distribute with modifications, sublicense, and/or sell       *
   * copies of the Software, and to permit persons to whom the Software is    *
   * furnished to do so, subject to the following conditions:                 *
   *                                                                          *
   * The above copyright notice and this permission notice shall be included  *
   * in all copies or substantial portions of the Software.                   *
   *                                                                          *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
   * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
   * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
   * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
   * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
   * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
   *                                                                          *
   * Except as contained in this notice, the name(s) of the above copyright   *
   * holders shall not be used in advertising or otherwise to promote the     *
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************/
  
  /****************************************************************************
   *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
   *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
   *     and: Sven Verdoolaege                        2001                    *
   *     and: Thomas E. Dickey                        2005                    *
   ****************************************************************************/
  
  /*
  **	lib_chgat.c
  **
  **	The routine wchgat().
  **
  */
  
  #include <curses.priv.h>
  
  MODULE_ID("$Id: lib_chgat.c,v 1.9 2010/03/31 23:38:02 tom Exp $")
  
  NCURSES_EXPORT(int)
  wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts GCC_UNUSED)
  {
      int i;
  
      T((T_CALLED("wchgat(%p,%d,%s,%d)"), (void *) win, n, _traceattr(attr), color));
  
      if (win) {
  	struct ldat *line = &(win->_line[win->_cury]);
  
  	toggle_attr_on(attr, ColorPair(color));
  
  	for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++) {
  	    SetAttr(line->text[i], attr);
  	    SetPair(line->text[i], color);
  	    CHANGED_CELL(line, i);
  	}
  
  	returnCode(OK);
      } else
  	returnCode(ERR);
  }
  