2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Edward Wang at The University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)wwdelline.c 8.1 (Berkeley) 6/6/93
37 * $FreeBSD: src/usr.bin/window/wwdelline.c,v 1.1.1.1.14.1 2001/05/17 09:45:01 obrien Exp $
38 * $DragonFly: src/usr.bin/window/wwdelline.c,v 1.2 2003/06/17 04:29:34 dillon Exp $
44 register struct ww *w;
48 register union ww_char **cpp, **cqq;
49 register union ww_char *cp;
57 if ((row1 = row) < w->ww_i.t) {
60 if ((row2 = w->ww_b.b) > w->ww_i.b) {
65 deleted = wwscroll1(w, row1, row2, 1, visible);
69 * But leave clearing the last line for wwclreol().
71 cpp = &w->ww_buf[row];
74 for (i = w->ww_b.b - row; --i > 0;)
79 * Now clear the last line.
82 wwclreol1(w, w->ww_b.b - 1, w->ww_b.l, deleted);
85 for (i = w->ww_b.nc; --i >= 0;)