1 /****************************************************************************
2  * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
3  *                                                                          *
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5  * copy of this software and associated documentation files (the            *
6  * "Software"), to deal in the Software without restriction, including      *
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9  * copies of the Software, and to permit persons to whom the Software is    *
10  * furnished to do so, subject to the following conditions:                 *
11  *                                                                          *
12  * The above copyright notice and this permission notice shall be included  *
13  * in all copies or substantial portions of the Software.                   *
14  *                                                                          *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22  *                                                                          *
23  * Except as contained in this notice, the name(s) of the above copyright   *
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28 
29 /****************************************************************************
30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32  ****************************************************************************/
33 
34 /*
35 **	lib_vline.c
36 **
37 **	The routine wvline().
38 **
39 */
40 
41 #include <curses.priv.h>
42 
43 MODULE_ID("$Id: lib_vline.c,v 1.12 2010/12/19 01:22:58 tom Exp $")
44 
45 NCURSES_EXPORT(int)
46 wvline(WINDOW *win, chtype ch, int n)
47 {
48     int code = ERR;
49     int row, col;
50     int end;
51 
52     T((T_CALLED("wvline(%p,%s,%d)"), (void *) win, _tracechtype(ch), n));
53 
54     if (win) {
55 	NCURSES_CH_T wch;
56 	row = win->_cury;
57 	col = win->_curx;
58 	end = row + n - 1;
59 	if (end > win->_maxy)
60 	    end = win->_maxy;
61 
62 	if (ch == 0)
63 	    SetChar2(wch, ACS_VLINE);
64 	else
65 	    SetChar2(wch, ch);
66 	wch = _nc_render(win, wch);
67 
68 	while (end >= row) {
69 	    struct ldat *line = &(win->_line[end]);
70 	    line->text[col] = wch;
71 	    CHANGED_CELL(line, col);
72 	    end--;
73 	}
74 
75 	_nc_synchook(win);
76 	code = OK;
77     }
78     returnCode(code);
79 }
80