wchgat.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/* LINTLIBRARY */
30
31/*
32 * wchgat.c
33 *
34 * XCurses Library
35 *
36 * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37 *
38 */
39
40#if M_RCSID
41#ifndef lint
42static char rcsID[] =
43"$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44"libxcurses/src/libc/xcurses/rcs/wchgat.c 1.3 1998/05/22 19:23:22 "
45"cbates Exp $";
46#endif
47#endif
48
49#include <private.h>
50
51/* ARGSUSED */
52int
53wchgat(WINDOW *w, int n, attr_t at, short co, const void *opts)
54{
55	int	i, x;
56	cchar_t	*cp;
57
58	if (n < 0)
59		n = w->_maxx;
60
61	cp = &w->_line[w->_cury][w->_curx];
62
63	if (!cp->_f)
64		return (ERR);
65
66	for (i = 0, x = w->_curx; x < w->_maxx; ++x, ++cp) {
67		if (cp->_f && n <= i++)
68			break;
69
70		cp->_co = co;
71		cp->_at = at;
72	}
73
74	if (w->_curx < w->_first[w->_cury])
75		w->_first[w->_cury] = w->_curx;
76	if (w->_last[w->_cury] < x)
77		w->_last[w->_cury] = x;
78
79	WSYNC(w);
80
81	return (WFLUSH(w));
82}
83