usr/src/lib/libcurses/delch.c

/*
 * Copyright (c) 1981 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that this notice is preserved and that due credit is given
 * to the University of California at Berkeley. The name of the University
 * may not be used to endorse or promote products derived from this
 * software without specific prior written permission. This software
 * is provided ``as is'' without express or implied warranty.
 */

#ifndef lint
static char sccsid[] = "@(#)delch.c     5.2 (Berkeley) %G%";
#endif /* not lint */

# include       "curses.ext"

/*
 *      This routine performs an insert-char on the line, leaving
 * (_cury,_curx) unchanged.
 *
 */
wdelch(win)
reg WINDOW      *win; {

        reg char        *temp1, *temp2;
        reg char        *end;
        reg int         lch;

        end = &win->_y[win->_cury][win->_maxx - 1];
        temp1 = &win->_y[win->_cury][win->_curx];
        temp2 = temp1 + 1;
        while (temp1 < end)
                *temp1++ = *temp2++;
        *temp1 = ' ';
        touchline(win, win->_cury, win->_curx, win->_maxx - 1);
        return OK;
}