1/****************************************************************************
2 * Copyright (c) 1998-2001,2006 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      *
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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    *
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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   *
24 * holders shall not be used in advertising or otherwise to promote the     *
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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_clrbot.c
36**
37**	The routine wclrtobot().
38**
39*/
40
41#include <curses.priv.h>
42
43MODULE_ID("$Id: lib_clrbot.c,v 1.20 2006/10/14 20:43:31 tom Exp $")
44
45NCURSES_EXPORT(int)
46wclrtobot(WINDOW *win)
47{
48    int code = ERR;
49
50    T((T_CALLED("wclrtobot(%p)"), win));
51
52    if (win) {
53	NCURSES_SIZE_T y;
54	NCURSES_SIZE_T startx = win->_curx;
55	NCURSES_CH_T blank = win->_nc_bkgd;
56
57	T(("clearing from y = %ld to y = %ld with maxx =  %ld",
58	   (long) win->_cury, (long) win->_maxy, (long) win->_maxx));
59
60	for (y = win->_cury; y <= win->_maxy; y++) {
61	    struct ldat *line = &(win->_line[y]);
62	    NCURSES_CH_T *ptr = &(line->text[startx]);
63	    NCURSES_CH_T *end = &(line->text[win->_maxx]);
64
65	    CHANGED_TO_EOL(line, startx, win->_maxx);
66
67	    while (ptr <= end)
68		*ptr++ = blank;
69
70	    startx = 0;
71	}
72	_nc_synchook(win);
73	code = OK;
74    }
75    returnCode(code);
76}
77