xref: /titanic_41/usr/src/lib/libxcurses2/src/libc/xcurses/wtouchln.c (revision 2eeaed14a5e2ed9bd811643ad5bffc3510ca0310)
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) 1995-1999 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * wtouchln.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #ifdef M_RCSID
41 #ifndef lint
42 static char rcsID[] =
43 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44 "libxcurses/src/libc/xcurses/rcs/wtouchln.c 1.6 1998/06/03 12:57:09 "
45 "cbates Exp $";
46 #endif
47 #endif
48 
49 #include <private.h>
50 
51 /*
52  * Given a window, start from line y, and mark n lines either as touched
53  * or untouched since the last call to wrefresh().
54  */
55 int
56 wtouchln(WINDOW *w, int y, int n, int bf)
57 {
58 	int	first, last;
59 
60 	first = bf ? 0 : w->_maxx;
61 	last = bf ? w->_maxx : -1;
62 
63 	for (; y < w->_maxy && 0 < n; ++y, --n) {
64 		w->_first[y] = (short) first;
65 		w->_last[y] = (short) last;
66 	}
67 
68 	return (OK);
69 }
70