xref: /openbsd-src/lib/libcurses/tinfo/lib_cur_term.c (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1 /*	$OpenBSD: lib_cur_term.c,v 1.5 2001/01/22 18:01:52 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc.              *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
33  ****************************************************************************/
34 /*
35  * Module that "owns" the 'cur_term' variable:
36  *
37  *	TERMINAL *set_curterm(TERMINAL *)
38  *	int del_curterm(TERMINAL *)
39  */
40 
41 #include <curses.priv.h>
42 #include <term_entry.h>		/* TTY, cur_term */
43 #include <termcap.h>		/* ospeed */
44 
45 MODULE_ID("$From: lib_cur_term.c,v 1.11 2000/12/10 02:55:07 tom Exp $")
46 
47 NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;
48 
49 NCURSES_EXPORT(TERMINAL *)
50 set_curterm(TERMINAL * termp)
51 {
52     TERMINAL *oldterm = cur_term;
53 
54     if ((cur_term = termp) != 0) {
55 	ospeed = _nc_ospeed(cur_term->_baudrate);
56 	PC = (pad_char != NULL) ? pad_char[0] : 0;
57     }
58     return oldterm;
59 }
60 
61 NCURSES_EXPORT(int)
62 del_curterm(TERMINAL * termp)
63 {
64     T((T_CALLED("del_curterm(%p)"), termp));
65 
66     if (termp != 0) {
67 	_nc_free_termtype(&(termp->type));
68 	free(termp);
69 	if (termp == cur_term)
70 	    cur_term = 0;
71 	returnCode(OK);
72     }
73     returnCode(ERR);
74 }
75