xref: /illumos-gate/usr/src/lib/libcurses/screen/whline.c (revision 0ccfe5834c3b867c1b6c273cae02ec8922bc0fd2)
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 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved	*/
29 
30 /*
31  * University Copyright- Copyright (c) 1982, 1986, 1988
32  * The Regents of the University of California
33  * All Rights Reserved
34  *
35  * University Acknowledgment- Portions of this document are derived from
36  * software developed by the University of California, Berkeley, and its
37  * contributors.
38  */
39 
40 #include	<sys/types.h>
41 #include	<stdlib.h>
42 #include	"curses_inc.h"
43 
44 int
45 whline(WINDOW *win, chtype horch, int num_chars)
46 {
47 	short	cury = win->_cury, curx = win->_curx;
48 	chtype  a, *fp = &(win->_y[cury][curx]);
49 
50 	if (num_chars <= 0)
51 		return (ERR);
52 
53 	if (num_chars > win->_maxx - curx)
54 		num_chars = win->_maxx - curx;
55 	if (horch == 0)
56 		horch = ACS_HLINE;
57 	a = _ATTR(horch);
58 	horch = _WCHAR(win, horch) | a;
59 	memSset(fp, horch | win->_attrs, num_chars);
60 	if (curx < win->_firstch[cury])
61 		win->_firstch[cury] = curx;
62 	if ((curx += (num_chars - 1)) > win->_lastch[cury])
63 		win->_lastch[cury] = curx;
64 	win->_flags |= _WINCHANGED;
65 
66 	if (win->_sync)
67 		wsyncup(win);
68 
69 	return (win->_immed ? wrefresh(win) : OK);
70 }
71