1/****************************************************************************
2 * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
3 *                                                                          *
4 * Permission is hereby granted, free of charge, to any person obtaining a  *
5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
7 * without limitation the rights to use, copy, modify, merge, publish,      *
8 * distribute, distribute with modifications, sublicense, and/or sell       *
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.   *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 *                                                                          *
23 * Except as contained in this notice, the name(s) of the above copyright   *
24 * holders shall not be used in advertising or otherwise to promote the     *
25 * sale, use or other dealings in this Software without prior written       *
26 * authorization.                                                           *
27 ****************************************************************************/
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
43MODULE_ID("$Id: lib_vline.c,v 1.12 2010/12/19 01:22:58 tom Exp $")
44
45NCURSES_EXPORT(int)
46wvline(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