/*	$OpenBSD: lib_chgat.c,v 1.1 1998/07/23 21:18:32 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998 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>                         *
 ****************************************************************************/

/*
**	lib_chgat.c
**
**	The routine wchgat().
**
*/

#include <curses.priv.h>

MODULE_ID("$From: lib_chgat.c,v 1.2 1998/02/11 12:14:00 tom Exp $")

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)"), win, n, _traceattr(attr), color));

    if (win) {
      toggle_attr_on(attr,COLOR_PAIR(color));

      for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++)
	win->_line[win->_cury].text[i]
	  = TextOf(win->_line[win->_cury].text[i]) | attr;

      returnCode(OK);
    }
    else
      returnCode(ERR);
}