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 /* LINTLIBRARY */
28
29 /*
30 * wchgat.c
31 *
32 * XCurses Library
33 *
34 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
35 *
36 */
37
38 #if M_RCSID
39 #ifndef lint
40 static char rcsID[] =
41 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
42 "libxcurses/src/libc/xcurses/rcs/wchgat.c 1.3 1998/05/22 19:23:22 "
43 "cbates Exp $";
44 #endif
45 #endif
46
47 #include <private.h>
48
49 /* ARGSUSED */
50 int
wchgat(WINDOW * w,int n,attr_t at,short co,const void * opts)51 wchgat(WINDOW *w, int n, attr_t at, short co, const void *opts)
52 {
53 int i, x;
54 cchar_t *cp;
55
56 if (n < 0)
57 n = w->_maxx;
58
59 cp = &w->_line[w->_cury][w->_curx];
60
61 if (!cp->_f)
62 return (ERR);
63
64 for (i = 0, x = w->_curx; x < w->_maxx; ++x, ++cp) {
65 if (cp->_f && n <= i++)
66 break;
67
68 cp->_co = co;
69 cp->_at = at;
70 }
71
72 if (w->_curx < w->_first[w->_cury])
73 w->_first[w->_cury] = w->_curx;
74 if (w->_last[w->_cury] < x)
75 w->_last[w->_cury] = x;
76
77 WSYNC(w);
78
79 return (WFLUSH(w));
80 }
81