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 * wunctrl.c
33 *
34 * XCurses Library
35 *
36 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
37 *
38 */
39
40 #if M_RCSID
41 #ifndef lint
42 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/wunctrl.c 1.1 "
43 "1995/05/16 15:15:37 ant Exp $";
44 #endif
45 #endif
46
47 #include <private.h>
48
49 static const wchar_t *carat[] = {
50 L"^?",
51 L"^@",
52 L"^A",
53 L"^B",
54 L"^C",
55 L"^D",
56 L"^E",
57 L"^F",
58 L"^G",
59 L"^H",
60 L"^I",
61 L"^J",
62 L"^K",
63 L"^L",
64 L"^M",
65 L"^N",
66 L"^O",
67 L"^P",
68 L"^Q",
69 L"^R",
70 L"^S",
71 L"^T",
72 L"^U",
73 L"^V",
74 L"^W",
75 L"^X",
76 L"^Y",
77 L"^Z",
78 L"^[",
79 L"^\\",
80 L"^]",
81 L"^^",
82 L"^_"
83 };
84
85 wchar_t *
wunctrl(cchar_t * cc)86 wunctrl(cchar_t *cc)
87 {
88 int i;
89 wint_t wc;
90 static wchar_t wcs[_M_CCHAR_MAX + 1];
91
92 if (cc->_n <= 0)
93 return (NULL);
94
95 /* Map wide character to a wide string. */
96 wc = cc->_wc[0];
97 if (iswcntrl(wc)) {
98 if (wc == 127)
99 return ((wchar_t *)carat[0]);
100 if (0 <= wc && wc <= 32)
101 return ((wchar_t *)carat[wc+1]);
102 return (NULL);
103 }
104
105 for (i = 0; i < cc->_n; ++i)
106 wcs[i] = cc->_wc[i];
107 wcs[i] = L'\0';
108
109 return (wcs);
110 }
111