xref: /illumos-gate/usr/src/lib/libcurses/screen/putwin.c (revision 533affcbc7fc4d0c8132976ea454aaa715fe2307)
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 /*
46  * Write a window to a file.
47  *
48  * win:	the window to write out.
49  * filep:	the file to write to.
50  */
51 
52 int
53 putwin(WINDOW *win, FILE *filep)
54 {
55 	int	maxx, nelt;
56 	chtype	**wcp, **ecp;
57 
58 	/* write everything from _cury to _bkgd inclusive */
59 	nelt = sizeof (WINDOW) - sizeof (win->_y) - sizeof (win->_parent) -
60 	    sizeof (win->_parx) - sizeof (win->_pary) -
61 	    sizeof (win->_ndescs) - sizeof (win->_delay);
62 
63 	if (fwrite((char *) &(win->_cury), 1, nelt, filep) != nelt)
64 		goto err;
65 
66 	/* Write the character image */
67 	maxx = win->_maxx;
68 	ecp = (wcp = win->_y) + win->_maxy;
69 	while (wcp < ecp)
70 		if (fwrite((char *) *wcp++, sizeof (chtype),
71 		    maxx, filep) != maxx)
72 err:
73 			return (ERR);
74 
75 	return (OK);
76 }
77