usr/src/lib/libcurses/box.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[] = "@(#)box.c       5.4 (Berkeley) 6/1/90";
#endif /* not lint */

# include       "curses.ext"

/*
 *      This routine draws a box around the given window with "vert"
 * as the vertical delimiting char, and "hor", as the horizontal one.
 *
 */
box(win, vert, hor)
reg WINDOW      *win;
char            vert, hor; {

        reg int         i;
        reg int         endy, endx;
        reg char        *fp, *lp;

        endx = win->_maxx;
        endy = win->_maxy - 1;
        fp = win->_y[0];
        lp = win->_y[endy];
        for (i = 0; i < endx; i++)
                fp[i] = lp[i] = hor;
        endx--;
        for (i = 0; i <= endy; i++)
                win->_y[i][0] = (win->_y[i][endx] = vert);
        if (!win->_scroll && (win->_flags&_SCROLLWIN))
                fp[0] = fp[endx] = lp[0] = lp[endx] = ' ';
        touchwin(win);
}