xref: /freebsd-11-stable/contrib/ncurses/ncurses/base/lib_wattron.c

/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
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 * in all copies or substantial portions of the Software.                   *
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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/*
**	lib_wattron.c
**
**	The routines wattr_on().
**
*/

#include <curses.priv.h>
#include <ctype.h>

MODULE_ID("$Id: lib_wattron.c,v 1.4 1998/05/10 12:02:28 tom Exp $")

int wattr_on(WINDOW *win, NCURSES_CONST attr_t at, void *opts GCC_UNUSED)
{
	T((T_CALLED("wattr_on(%p,%s)"), win, _traceattr(at)));
	if (win) {
		T(("... current %s", _traceattr(win->_attrs)));
		toggle_attr_on(win->_attrs,at);
		returnCode(OK);
	} else
		returnCode(ERR);
}