1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*LINTLIBRARY*/
41
42 #include <sys/types.h>
43 #include "curses_inc.h"
44
45 #define SEPARATE_READ 6
46
47 /* Read a window that was stored by putwin. */
48
49 WINDOW *
getwin(FILE * filep)50 getwin(FILE *filep)
51 {
52 short *save_fch, win_nums[SEPARATE_READ], maxy, maxx, nelt;
53 WINDOW *win = NULL;
54 chtype **ecp, **wcp;
55
56 /* read everything from _cury to _bkgd inclusive */
57
58 nelt = sizeof (WINDOW) - sizeof (win->_y) - sizeof (win->_parent) -
59 sizeof (win->_parx) - sizeof (win->_pary) -
60 sizeof (win->_ndescs) - sizeof (win->_delay) -
61 (SEPARATE_READ * sizeof (short));
62
63 if ((fread((char *) win_nums, sizeof (short), SEPARATE_READ, filep) !=
64 SEPARATE_READ) || ((win = _makenew(maxy = win_nums[2], maxx =
65 win_nums[3], win_nums[4], win_nums[5])) == NULL)) {
66 goto err;
67 }
68
69 if (_image(win) == ERR) {
70 win = (WINDOW *) NULL;
71 goto err;
72 }
73 save_fch = win->_firstch;
74
75 if (fread(&(win->_flags), 1, nelt, filep) != nelt)
76 goto err;
77
78 win->_firstch = save_fch;
79 win->_lastch = save_fch + maxy;
80
81 /* read the image */
82 wcp = win->_y;
83 ecp = wcp + maxy;
84
85 while (wcp < ecp)
86 if (fread((char *) *wcp++, sizeof (chtype), maxx, filep) !=
87 maxx) {
88 err :
89 if (win != NULL)
90 (void) delwin(win);
91 return ((WINDOW *) NULL);
92 }
93
94 win->_cury = win_nums[0];
95 win->_curx = win_nums[1];
96 win->_use_idl = win->_use_keypad = FALSE;
97
98 return (win);
99 }
100