1 /*
2 * Copyright (c) 1981, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #ifndef lint
31 static char sccsid[] = "@(#)delch.c 8.2 (Berkeley) 5/4/94";
32 #endif /* not lint */
33
34 #include <string.h>
35
36 #include "curses.h"
37
38 /*
39 * wdelch --
40 * Do an insert-char on the line, leaving (cury, curx) unchanged.
41 */
42 int
wdelch(win)43 wdelch(win)
44 register WINDOW *win;
45 {
46 register __LDATA *end, *temp1, *temp2;
47
48 end = &win->lines[win->cury]->line[win->maxx - 1];
49 temp1 = &win->lines[win->cury]->line[win->curx];
50 temp2 = temp1 + 1;
51 while (temp1 < end) {
52 (void)memcpy(temp1, temp2, sizeof(__LDATA));
53 temp1++, temp2++;
54 }
55 temp1->ch = ' ';
56 temp1->attr = 0;
57 __touchline(win, win->cury, win->curx, win->maxx - 1, 0);
58 return (OK);
59 }
60