NetBSD/lib/libcurses/insertln.c

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1993-03-21 12:45:37 +03:00
/*
* Copyright (c) 1981 Regents of the University of California.
* All rights reserved.
*
* 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[] = "@(#)insertln.c 5.4 (Berkeley) 6/1/90";
#endif /* not lint */
# include "curses.ext"
/*
* This routine performs an insert-line on the window, leaving
* (_cury,_curx) unchanged.
*
*/
winsertln(win)
reg WINDOW *win; {
reg chtype *temp;
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reg int y;
reg chtype *end;
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reg int x;
#ifdef DEBUG
fprintf(outf, "INSERTLN(%0.2o)\n", win);
#endif
if (win->_orig == NULL)
temp = win->_y[win->_maxy - 1];
for (y = win->_maxy - 1; y > win->_cury; --y) {
if (win->_orig == NULL)
win->_y[y] = win->_y[y - 1];
else
bcopy(win->_y[y - 1], win->_y[y], win->_maxx * sizeof(chtype));
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touchline(win, y, 0, win->_maxx - 1);
}
if (win->_orig == NULL)
win->_y[y] = temp;
else
temp = win->_y[y];
for (end = &temp[win->_maxx]; temp < end; )
*temp++ = ' ';
touchline(win, y, 0, win->_maxx - 1);
if (win->_orig == NULL)
_id_subwins(win);
}