1/****************************************************************************
2 * Copyright 2020 Thomas E. Dickey                                          *
3 * Copyright 1998-2009,2010 Free Software Foundation, Inc.                  *
4 *                                                                          *
5 * Permission is hereby granted, free of charge, to any person obtaining a  *
6 * copy of this software and associated documentation files (the            *
7 * "Software"), to deal in the Software without restriction, including      *
8 * without limitation the rights to use, copy, modify, merge, publish,      *
9 * distribute, distribute with modifications, sublicense, and/or sell       *
10 * copies of the Software, and to permit persons to whom the Software is    *
11 * furnished to do so, subject to the following conditions:                 *
12 *                                                                          *
13 * The above copyright notice and this permission notice shall be included  *
14 * in all copies or substantial portions of the Software.                   *
15 *                                                                          *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
23 *                                                                          *
24 * Except as contained in this notice, the name(s) of the above copyright   *
25 * holders shall not be used in advertising or otherwise to promote the     *
26 * sale, use or other dealings in this Software without prior written       *
27 * authorization.                                                           *
28 ****************************************************************************/
29
30/****************************************************************************
31 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
32 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
33 *     and: Thomas E. Dickey                        1996-on                 *
34 ****************************************************************************/
35
36/*
37**	lib_wattron.c
38**
39**	The routines wattr_on().
40**
41*/
42
43#include <curses.priv.h>
44#include <ctype.h>
45
46MODULE_ID("$Id: lib_wattron.c,v 1.12 2020/02/02 23:34:34 tom Exp $")
47
48NCURSES_EXPORT(int)
49wattr_on(WINDOW *win, attr_t at, void *opts GCC_UNUSED)
50{
51    T((T_CALLED("wattr_on(%p,%s)"), (void *) win, _traceattr(at)));
52    if (win != 0) {
53	T(("... current %s (%d)",
54	   _traceattr(WINDOW_ATTRS(win)),
55	   GET_WINDOW_PAIR(win)));
56
57	if_EXT_COLORS({
58	    if (at & A_COLOR)
59		win->_color = PairNumber(at);
60	});
61	toggle_attr_on(WINDOW_ATTRS(win), at);
62	returnCode(OK);
63    } else
64	returnCode(ERR);
65}
66