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 /* Copyright (c) 1988 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright (c) 1997, by Sun Microsystems, Inc.
28 * All rights reserved.
29 */
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 /*LINTLIBRARY*/
34
35 #include <sys/types.h>
36 #include "curses_inc.h"
37
38 /*
39 * Read a process code from the terminal
40 * cntl: = 0 for single-char key only
41 * = 1 for matching function key and macro patterns.
42 * = 2 same as 1 but no time-out for funckey matching.
43 */
44
45 wchar_t
tgetwch(int cntl)46 tgetwch(int cntl)
47 {
48 int c, n, type, width;
49 char buf[CSMAX];
50 wchar_t wchar;
51
52 /* get the first byte */
53 /* LINTED */
54 if ((c = (int)tgetch(cntl)) == ERR)
55 return (ERR);
56
57 type = TYPE(c);
58 width = cswidth[type] - ((type == 1 || type == 2) ? 0 : 1);
59 /* LINTED */
60 buf[0] = (char)c;
61 for (n = 1; n < width; ++n) {
62 /* LINTED */
63 if ((c = (int)tgetch(cntl)) == ERR)
64 return (ERR);
65 if (TYPE(c) != 0)
66 return (ERR);
67 /* LINTED */
68 buf[n] = (char)c;
69 }
70
71 /* translate it to process code */
72 (void) _curs_mbtowc(&wchar, buf, n);
73 return (wchar);
74 }
75