getwin.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
#define SEPARATE_READ 6
/* Read a window that was stored by putwin. */
WINDOW *
getwin(FILE *filep)
{
short *save_fch, win_nums[SEPARATE_READ], maxy, maxx, nelt;
WINDOW *win = NULL;
chtype **ecp, **wcp;
/* read everything from _cury to _bkgd inclusive */
nelt = sizeof (WINDOW) - sizeof (win->_y) - sizeof (win->_parent) -
sizeof (win->_parx) - sizeof (win->_pary) -
sizeof (win->_ndescs) - sizeof (win->_delay) -
(SEPARATE_READ * sizeof (short));
if ((fread((char *) win_nums, sizeof (short), SEPARATE_READ, filep) !=
SEPARATE_READ) || ((win = _makenew(maxy = win_nums[2], maxx =
win_nums[3], win_nums[4], win_nums[5])) == NULL)) {
goto err;
}
if (_image(win) == ERR) {
win = (WINDOW *) NULL;
goto err;
}
save_fch = win->_firstch;
if (fread(&(win->_flags), 1, nelt, filep) != nelt)
goto err;
win->_firstch = save_fch;
win->_lastch = save_fch + maxy;
/* read the image */
wcp = win->_y;
ecp = wcp + maxy;
while (wcp < ecp)
if (fread((char *) *wcp++, sizeof (chtype), maxx, filep) !=
maxx) {
err :
if (win != NULL)
(void) delwin(win);
return ((WINDOW *) NULL);
}
win->_cury = win_nums[0];
win->_curx = win_nums[1];
win->_use_idl = win->_use_keypad = FALSE;
return (win);
}