xref: /illumos-gate/usr/src/lib/libxcurses/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, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * key_name.c
31  *
32  * XCurses Library
33  *
34  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
35  *
36  */
37 
38 #ifdef M_RCSID
39 #ifndef lint
40 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/key_name.c 1.1 1995/06/07 13:57:49 ant Exp $";
41 #endif
42 #endif
43 
44 #include <private.h>
45 #include <string.h>
46 
47 /*f
48  *
49  */
50 const char *
51 key_name(wchar_t wc)
52 {
53 	size_t len;
54 	cchar_t cc;
55 	wchar_t *ws;
56 	static char mbs[MB_LEN_MAX+1];
57 
58 #ifdef M_CURSES_TRACE
59 	__m_trace("key_name(%ld)", wc);
60 #endif
61 
62 	(void) __m_wc_cc(wc, &cc);
63 
64 	ws = (wchar_t *) wunctrl(&cc);
65 
66 	if ((len = wcstombs(mbs, ws, MB_LEN_MAX)) == (size_t) -1)
67 		return __m_return_pointer("key_name", (const char *) 0);
68 
69 	mbs[len] = '\0';
70 
71 #ifdef M_CURSES_TRACE
72 	__m_trace("key_name returned %p = \"%s\".", mbs, mbs);
73 #endif
74 	return mbs;
75 }
76