xref: /openbsd-src/lib/libcurses/base/lib_vline.c (revision 92dd1ec0a89df25171bc5d61a3d95ea1a68cef0b)
1 /*	$OpenBSD: lib_vline.c,v 1.1 1999/01/18 19:10:05 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  ****************************************************************************/
35 
36 
37 
38 /*
39 **	lib_vline.c
40 **
41 **	The routine wvline().
42 **
43 */
44 
45 #include <curses.priv.h>
46 
47 MODULE_ID("$From: lib_vline.c,v 1.4 1998/06/28 00:10:12 tom Exp $")
48 
49 int wvline(WINDOW *win, chtype ch, int n)
50 {
51 int   code = ERR;
52 short row, col;
53 short end;
54 
55 	T((T_CALLED("wvline(%p,%s,%d)"), win, _tracechtype(ch), n));
56 
57 	if (win) {
58 		row = win->_cury;
59 		col = win->_curx;
60 		end = row + n - 1;
61 		if (end > win->_maxy)
62 			end = win->_maxy;
63 
64 		if (ch == 0)
65 			ch = ACS_VLINE;
66 		ch = _nc_render(win, ch);
67 
68 		while(end >= row) {
69 			struct ldat *line = &(win->_line[end]);
70 			line->text[col] = ch;
71 			CHANGED_CELL(line, col);
72 			end--;
73 		}
74 
75 		_nc_synchook(win);
76 		code = OK;
77 	}
78 	returnCode(code);
79 }
80