xref: /titanic_51/usr/src/lib/libcurses/screen/setcurscreen.c (revision b819cea2f73f98c5662230cc9affc8cc84f77fcf)
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 SCREEN	*
48 setcurscreen(SCREEN *new)
49 {
50 	SCREEN	*rv = SP;
51 
52 	if (new != SP) {
53 
54 #ifdef	DEBUG
55 		if (outf)
56 			fprintf(outf, "setterm: old %x, new %x\n", rv, new);
57 #endif	/* DEBUG */
58 
59 		SP = new;
60 		if (new) {
61 			(void) setcurterm(SP->tcap);
62 			LINES = SP->lsize;
63 			COLS = SP->csize;
64 			TABSIZE = SP->tsize;
65 			stdscr = SP->std_scr;
66 			curscr = SP->cur_scr;
67 			_virtscr = SP->virt_scr;
68 		}
69 	}
70 	return (rv);
71 }
72