xref: /titanic_44/usr/src/lib/libcurses/screen/whline.c (revision fbfd105d0c38ec23cf92df531ace2c1719b48098)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 #include	<sys/types.h>
43 #include	<stdlib.h>
44 #include	"curses_inc.h"
45 
46 int
whline(WINDOW * win,chtype horch,int num_chars)47 whline(WINDOW *win, chtype horch, int num_chars)
48 {
49 	short	cury = win->_cury, curx = win->_curx;
50 	chtype  a, *fp = &(win->_y[cury][curx]);
51 
52 	if (num_chars <= 0)
53 		return (ERR);
54 
55 	if (num_chars > win->_maxx - curx)
56 		num_chars = win->_maxx - curx;
57 	if (horch == 0)
58 		horch = ACS_HLINE;
59 	a = _ATTR(horch);
60 	horch = _WCHAR(win, horch) | a;
61 	memSset(fp, horch | win->_attrs, num_chars);
62 	if (curx < win->_firstch[cury])
63 		win->_firstch[cury] = curx;
64 	if ((curx += (num_chars - 1)) > win->_lastch[cury])
65 		win->_lastch[cury] = curx;
66 	win->_flags |= _WINCHANGED;
67 
68 	if (win->_sync)
69 		wsyncup(win);
70 
71 	return (win->_immed ? wrefresh(win) : OK);
72 }
73