NetBSD/lib/libcurses/insch.c

70 lines
2.6 KiB
C

/*
* 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[] = "from: @(#)insch.c 5.4 (Berkeley) 6/1/90";*/
static char rcsid[] = "$Id: insch.c,v 1.3 1993/08/01 18:35:36 mycroft Exp $";
#endif /* not lint */
# include "curses.ext"
/*
* This routine performs an insert-char on the line, leaving
* (_cury,_curx) unchanged.
*
*/
winsch(win, c)
reg WINDOW *win;
char c; {
reg chtype *temp1, *temp2;
reg chtype *end;
end = &win->_y[win->_cury][win->_curx];
temp1 = &win->_y[win->_cury][win->_maxx - 1];
temp2 = temp1 - 1;
while (temp1 > end)
*temp1-- = *temp2--;
*temp1 = (unsigned char) c;
touchline(win, win->_cury, win->_curx, win->_maxx - 1);
if (win->_cury == LINES - 1 && win->_y[LINES-1][COLS-1] != ' ')
if (win->_scroll) {
wrefresh(win);
scroll(win);
win->_cury--;
}
else
return ERR;
return OK;
}