minix/lib/libcurses/overlay.c

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/* $NetBSD: overlay.c,v 1.17 2007/01/21 13:25:36 jdc Exp $ */
/*
* Copyright (c) 1981, 1993, 1994
* The 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)overlay.c 8.2 (Berkeley) 5/4/94";
#else
__RCSID("$NetBSD: overlay.c,v 1.17 2007/01/21 13:25:36 jdc Exp $");
#endif
#endif /* not lint */
#include <ctype.h>
#include "curses.h"
#include "curses_private.h"
/*
* overlay --
* Writes win1 on win2 non-destructively.
*/
int
overlay(const WINDOW *win1, WINDOW *win2)
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{
#ifdef DEBUG
__CTRACE(__CTRACE_WINDOW, "overlay: (%p, %p);\n", win1, win2);
#endif
return copywin(win1, win2,
win2->begy - win1->begy, win2->begx - win1->begx,
0, 0, win2->maxy - 1, win2->maxx - 1, TRUE);
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}