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1 /****************************************************************************
2  * Copyright (c) 1998 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_delch.c
36 **
37 **      The routine wdelch().
38 **
39 */
40
41 #include <curses.priv.h>
42
43 MODULE_ID("$Id: lib_delch.c,v 1.8 1998/06/28 00:28:17 tom Exp $")
44
45 int wdelch(WINDOW *win)
46 {
47 int     code = ERR;
48
49         T((T_CALLED("wdelch(%p)"), win));
50
51         if (win) {
52                 chtype  blank = _nc_background(win);
53                 struct ldat *line = &(win->_line[win->_cury]);
54                 chtype *end   = &(line->text[win->_maxx]);
55                 chtype *temp2 = &(line->text[win->_curx + 1]);
56                 chtype *temp1 = temp2 - 1;
57
58                 CHANGED_TO_EOL(line, win->_curx, win->_maxx);
59                 while (temp1 < end)
60                         *temp1++ = *temp2++;
61
62                 *temp1 = blank;
63
64                 _nc_synchook(win);
65                 code = OK;
66         }
67         returnCode(code);
68 }