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  * This is useful after saving/restoring memory from a file (e.g. as
49  * in a rogue save game).  It assumes that the modes and windows are
50  * as wanted by the user, but the terminal type and baud rate may
51  * have changed.
52  */
53 
54 extern	char	_called_before;
55 
56 int
57 /* The next line causes a lint warning because errret is not used */
restartterm(char * term,int filenum,int * errret)58 restartterm(char *term, int filenum, int *errret)
59 /* int	filenum - This is a UNIX file descriptor, not a stdio ptr. */
60 {
61 	int	saveecho = SP->fl_echoit;
62 	int	savecbreak = cur_term->_fl_rawmode;
63 	int	savenl;
64 
65 #ifdef	SYSV
66 	savenl = PROGTTYS.c_iflag & ONLCR;
67 #else	/* SYSV */
68 	savenl = PROGTTY.sg_flags & CRMOD;
69 #endif	/* SYSV */
70 
71 	_called_before = 0;
72 	(void) setupterm(term, filenum, (int *) 0);
73 
74 	/* Restore curses settable flags, leaving other stuff alone. */
75 	SP->fl_echoit = saveecho;
76 
77 	(void) nocbreak();
78 	(void) noraw();
79 	if (savecbreak == 1)
80 		(void) cbreak();
81 	else
82 		if (savecbreak == 2)
83 			(void) raw();
84 
85 	if (savenl)
86 		(void) nl();
87 	else
88 		(void) nonl();
89 
90 	(void) reset_prog_mode();
91 
92 	LINES = SP->lsize;
93 	COLS = columns;
94 	return (OK);
95 }
96