NetBSD/lib/libcurses/box.c

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/*
* 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; {
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reg int i;
reg int endy, endx;
reg chtype *fp, *lp;
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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] = (unsigned char) hor;
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endx--;
for (i = 0; i <= endy; i++)
win->_y[i][0] = (win->_y[i][endx] = (unsigned char) vert);
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if (!win->_scroll && (win->_flags&_SCROLLWIN))
fp[0] = fp[endx] = lp[0] = lp[endx] = ' ';
touchwin(win);
}