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 /*LINTLIBRARY*/
32
33 #include <sys/types.h>
34 #include "curses_inc.h"
35
36 /*
37 * Read a process code from the terminal
38 * cntl: = 0 for single-char key only
39 * = 1 for matching function key and macro patterns.
40 * = 2 same as 1 but no time-out for funckey matching.
41 */
42
43 wchar_t
tgetwch(int cntl)44 tgetwch(int cntl)
45 {
46 int c, n, type, width;
47 char buf[CSMAX];
48 wchar_t wchar;
49
50 /* get the first byte */
51 /* LINTED */
52 if ((c = (int)tgetch(cntl)) == ERR)
53 return (ERR);
54
55 type = TYPE(c);
56 width = cswidth[type] - ((type == 1 || type == 2) ? 0 : 1);
57 /* LINTED */
58 buf[0] = (char)c;
59 for (n = 1; n < width; ++n) {
60 /* LINTED */
61 if ((c = (int)tgetch(cntl)) == ERR)
62 return (ERR);
63 if (TYPE(c) != 0)
64 return (ERR);
65 /* LINTED */
66 buf[n] = (char)c;
67 }
68
69 /* translate it to process code */
70 (void) _curs_mbtowc(&wchar, buf, n);
71 return (wchar);
72 }
73