xref: /illumos-gate/usr/src/lib/libxcurses2/src/libc/xcurses/key_name.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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 (c) 1995-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * key_name.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #ifdef M_RCSID
41 #ifndef lint
42 static char rcsID[] =
43 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44 "libxcurses/src/libc/xcurses/rcs/key_name.c 1.2 1998/05/28 15:18:35 "
45 "cbates Exp $";
46 #endif
47 #endif
48 
49 #include <private.h>
50 
51 char *
52 key_name(wchar_t wc)
53 {
54 	size_t	len;
55 	cchar_t	cc;
56 	wchar_t	*ws;
57 	static char	mbs[MB_LEN_MAX + 1];
58 	static const char	*unknown_key = "UNKNOWN KEY";
59 
60 	(void) __m_wc_cc(wc, &cc);
61 
62 	ws = (wchar_t *) wunctrl(&cc);
63 
64 	if ((len = wcstombs(mbs, ws, MB_LEN_MAX)) == (size_t) -1)
65 		return ((char *)unknown_key);
66 
67 	mbs[len] = '\0';
68 
69 	return (mbs);
70 }
71