386BSD 0.1 development
[unix-history] / usr / src / lib / libcurses / box.c
CommitLineData
7c671adf
WJ
1/*
2 * Copyright (c) 1981 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)box.c 5.4 (Berkeley) 6/1/90";
36#endif /* not lint */
37
38# include "curses.ext"
39
40/*
41 * This routine draws a box around the given window with "vert"
42 * as the vertical delimiting char, and "hor", as the horizontal one.
43 *
44 */
45box(win, vert, hor)
46reg WINDOW *win;
47char vert, hor; {
48
49 reg int i;
50 reg int endy, endx;
51 reg char *fp, *lp;
52
53 endx = win->_maxx;
54 endy = win->_maxy - 1;
55 fp = win->_y[0];
56 lp = win->_y[endy];
57 for (i = 0; i < endx; i++)
58 fp[i] = lp[i] = hor;
59 endx--;
60 for (i = 0; i <= endy; i++)
61 win->_y[i][0] = (win->_y[i][endx] = vert);
62 if (!win->_scroll && (win->_flags&_SCROLLWIN))
63 fp[0] = fp[endx] = lp[0] = lp[endx] = ' ';
64 touchwin(win);
65}