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 "curses_inc.h"
36 #include <sys/types.h>
37 #include <ctype.h>
38
39 #define CSWIDTH 514
40
41 short cswidth[4] = {-1, 1, 1, 1}; /* character length */
42 short _curs_scrwidth[4] = {1, 1, 1, 1}; /* screen width */
43
44 /*
45 * This function is called only once in a program.
46 * Before cgetwidth() is called, setlocale() must be called.
47 */
48
49 void
mbgetwidth(void)50 mbgetwidth(void)
51 {
52 unsigned char *cp = &__ctype[CSWIDTH];
53
54 cswidth[0] = cp[0];
55 cswidth[1] = cp[1];
56 cswidth[2] = cp[2];
57 _curs_scrwidth[0] = cp[3];
58 _curs_scrwidth[1] = cp[4];
59 _curs_scrwidth[2] = cp[5];
60
61 }
62
63 int
mbeucw(int c)64 mbeucw(int c)
65 {
66 c &= 0xFF;
67
68 if (c & 0x80) {
69 if (c == SS2) {
70 return (cswidth[1]);
71 } else if (c == SS3) {
72 return (cswidth[2]);
73 }
74 return (cswidth[0]);
75 }
76 return (1);
77 }
78
79 int
mbscrw(int c)80 mbscrw(int c)
81 {
82 c &= 0xFF;
83
84 if (c & 0x80) {
85 if (c == SS2) {
86 return (_curs_scrwidth[1]);
87 } else if (c == SS3) {
88 return (_curs_scrwidth[2]);
89 }
90 return (_curs_scrwidth[0]);
91 }
92 return (1);
93 }
94
95 int
wcscrw(wchar_t wc)96 wcscrw(wchar_t wc)
97 {
98 int rv;
99
100 switch (wc & EUCMASK) {
101 case P11: /* Code set 1 */
102 rv = _curs_scrwidth[0];
103 break;
104 case P01: /* Code set 2 */
105 rv = _curs_scrwidth[1];
106 break;
107 case P10: /* Code set 3 */
108 rv = _curs_scrwidth[2];
109 break;
110 default : /* Code set 0 */
111 rv = 1;
112 break;
113 }
114
115 return (rv);
116 }
117