xref: /illumos-gate/usr/src/lib/libcurses/screen/putwin.c (revision 508a0e8cf1600b06c1f7361ad76e736710d3fdf8)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
41 
42 /*LINTLIBRARY*/
43 
44 #include	<sys/types.h>
45 #include	"curses_inc.h"
46 
47 /*
48  * Write a window to a file.
49  *
50  * win:	the window to write out.
51  * filep:	the file to write to.
52  */
53 
54 int
55 putwin(WINDOW *win, FILE *filep)
56 {
57 	int	maxx, nelt;
58 	chtype	**wcp, **ecp;
59 
60 	/* write everything from _cury to _bkgd inclusive */
61 	nelt = sizeof (WINDOW) - sizeof (win->_y) - sizeof (win->_parent) -
62 	    sizeof (win->_parx) - sizeof (win->_pary) -
63 	    sizeof (win->_ndescs) - sizeof (win->_delay);
64 
65 	if (fwrite((char *) &(win->_cury), 1, nelt, filep) != nelt)
66 		goto err;
67 
68 	/* Write the character image */
69 	maxx = win->_maxx;
70 	ecp = (wcp = win->_y) + win->_maxy;
71 	while (wcp < ecp)
72 		if (fwrite((char *) *wcp++, sizeof (chtype),
73 		    maxx, filep) != maxx)
74 err:
75 			return (ERR);
76 
77 	return (OK);
78 }
79