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, by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 /*
28 * wchgat.c
29 *
30 * XCurses Library
31 *
32 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
33 *
34 */
35
36 #if M_RCSID
37 #ifndef lint
38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wchgat.c 1.3 1995/06/21 20:30:57 ant Exp $";
39 #endif
40 #endif
41
42 #include <private.h>
43
44 int
wchgat(WINDOW * w,int n,attr_t at,short co,const void * opts)45 wchgat(WINDOW *w, int n, attr_t at, short co, const void *opts)
46 {
47 int i, x;
48 cchar_t *cp;
49
50 #ifdef M_CURSES_TRACE
51 __m_trace("wchgat(%p, %d, %x, %d, %p)", w, n, at, co, opts);
52 #endif
53
54 if (n < 0)
55 n = w->_maxx;
56
57 cp = &w->_line[w->_cury][w->_maxx];
58
59 if (!cp->_f)
60 return __m_return_code("wchgat", ERR);
61
62 for (i = 0, x = w->_curx; x < w->_maxx; ++x, ++cp) {
63 if (cp->_f && n <= i++)
64 break;
65
66 cp->_co = co;
67 cp->_at = at;
68 }
69
70 WSYNC(w);
71
72 return __m_return_code("wchgat", WFLUSH(w));
73 }
74