mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
/*
|
|
* Copyright (c) 1983, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Edward Wang at The University of California, Berkeley.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)wwclreol.c 8.1 (Berkeley) 6/6/93";
|
|
static char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include "ww.h"
|
|
#include "tt.h"
|
|
|
|
/*
|
|
* Clear w to the end of line.
|
|
* If cleared is true, then the screen line has already been cleared.
|
|
*/
|
|
wwclreol1(w, row, col, cleared)
|
|
register struct ww *w;
|
|
int row, col;
|
|
char cleared;
|
|
{
|
|
register i;
|
|
|
|
/*
|
|
* Clear the buffer right off
|
|
*/
|
|
{
|
|
register union ww_char *buf;
|
|
|
|
buf = &w->ww_buf[row][col];
|
|
for (i = w->ww_b.r - col; --i >= 0;)
|
|
buf++->c_w = ' ';
|
|
}
|
|
|
|
/*
|
|
* If can't see it, just return.
|
|
*/
|
|
if (row < w->ww_i.t || row >= w->ww_i.b
|
|
|| w->ww_i.r <= 0 || w->ww_i.r <= col)
|
|
return;
|
|
|
|
if (col < w->ww_i.l)
|
|
col = w->ww_i.l;
|
|
|
|
/*
|
|
* Now fix wwns.
|
|
*/
|
|
{
|
|
register union ww_char *s;
|
|
register char *smap, *win;
|
|
|
|
i = col;
|
|
smap = &wwsmap[row][i];
|
|
s = &wwns[row][i];
|
|
win = &w->ww_win[row][i];
|
|
for (i = w->ww_i.r - i; --i >= 0;)
|
|
if (*smap++ == w->ww_index)
|
|
s++->c_w = ' ' | *win++ << WWC_MSHIFT;
|
|
else
|
|
s++, win++;
|
|
}
|
|
if (!cleared)
|
|
wwtouched[row] |= WWU_TOUCHED;
|
|
}
|