1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
23*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */
24*7c478bd9Sstevel@tonic-gate
25*7c478bd9Sstevel@tonic-gate
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc.
28*7c478bd9Sstevel@tonic-gate * All rights reserved.
29*7c478bd9Sstevel@tonic-gate */
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
32*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
33*7c478bd9Sstevel@tonic-gate #include "curses_inc.h"
34*7c478bd9Sstevel@tonic-gate
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate /*
37*7c478bd9Sstevel@tonic-gate * Translate process code to byte-equivalent
38*7c478bd9Sstevel@tonic-gate * Return the length of the byte-equivalent string
39*7c478bd9Sstevel@tonic-gate */
40*7c478bd9Sstevel@tonic-gate
41*7c478bd9Sstevel@tonic-gate /*
42*7c478bd9Sstevel@tonic-gate * use _curs_wctomb() instead of _code2byte(code, bytes)
43*7c478bd9Sstevel@tonic-gate */
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate
46*7c478bd9Sstevel@tonic-gate /*
47*7c478bd9Sstevel@tonic-gate * Translate a set of byte to a single process code
48*7c478bd9Sstevel@tonic-gate */
49*7c478bd9Sstevel@tonic-gate
50*7c478bd9Sstevel@tonic-gate /*
51*7c478bd9Sstevel@tonic-gate * use _curs_mbtowc() instead of wchar_t _byte2code(bytes)
52*7c478bd9Sstevel@tonic-gate */
53*7c478bd9Sstevel@tonic-gate
54*7c478bd9Sstevel@tonic-gate
55*7c478bd9Sstevel@tonic-gate /*
56*7c478bd9Sstevel@tonic-gate * Translate a string of wchar_t to a byte string.
57*7c478bd9Sstevel@tonic-gate * code: the input code string
58*7c478bd9Sstevel@tonic-gate * byte: if not NULL, space to store the output string
59*7c478bd9Sstevel@tonic-gate * n: maximum number of codes to be translated.
60*7c478bd9Sstevel@tonic-gate */
61*7c478bd9Sstevel@tonic-gate char
_strcode2byte(wchar_t * code,char * byte,int n)62*7c478bd9Sstevel@tonic-gate *_strcode2byte(wchar_t *code, char *byte, int n)
63*7c478bd9Sstevel@tonic-gate {
64*7c478bd9Sstevel@tonic-gate char *bufp;
65*7c478bd9Sstevel@tonic-gate wchar_t *endcode;
66*7c478bd9Sstevel@tonic-gate static char *buf;
67*7c478bd9Sstevel@tonic-gate static int bufsize;
68*7c478bd9Sstevel@tonic-gate
69*7c478bd9Sstevel@tonic-gate /* compute the length of the code string */
70*7c478bd9Sstevel@tonic-gate if (n < 0)
71*7c478bd9Sstevel@tonic-gate for (n = 0; code[n] != 0; ++n)
72*7c478bd9Sstevel@tonic-gate ;
73*7c478bd9Sstevel@tonic-gate
74*7c478bd9Sstevel@tonic-gate /* get space to store the translated string */
75*7c478bd9Sstevel@tonic-gate if (!byte && (n*CSMAX+1) > bufsize) {
76*7c478bd9Sstevel@tonic-gate if (buf)
77*7c478bd9Sstevel@tonic-gate free(buf);
78*7c478bd9Sstevel@tonic-gate bufsize = n * CSMAX + 1;
79*7c478bd9Sstevel@tonic-gate if ((buf = malloc(bufsize * sizeof (char))) == NULL)
80*7c478bd9Sstevel@tonic-gate bufsize = 0;
81*7c478bd9Sstevel@tonic-gate }
82*7c478bd9Sstevel@tonic-gate
83*7c478bd9Sstevel@tonic-gate /* no space to do it */
84*7c478bd9Sstevel@tonic-gate if (!byte && !buf)
85*7c478bd9Sstevel@tonic-gate return (NULL);
86*7c478bd9Sstevel@tonic-gate
87*7c478bd9Sstevel@tonic-gate /* start the translation */
88*7c478bd9Sstevel@tonic-gate bufp = byte ? byte : buf;
89*7c478bd9Sstevel@tonic-gate endcode = code+n;
90*7c478bd9Sstevel@tonic-gate while (code < endcode && *code) {
91*7c478bd9Sstevel@tonic-gate bufp += _curs_wctomb(bufp, *code & TRIM);
92*7c478bd9Sstevel@tonic-gate ++code;
93*7c478bd9Sstevel@tonic-gate }
94*7c478bd9Sstevel@tonic-gate *bufp = '\0';
95*7c478bd9Sstevel@tonic-gate
96*7c478bd9Sstevel@tonic-gate return (byte ? byte : buf);
97*7c478bd9Sstevel@tonic-gate }
98*7c478bd9Sstevel@tonic-gate
99*7c478bd9Sstevel@tonic-gate
100*7c478bd9Sstevel@tonic-gate
101*7c478bd9Sstevel@tonic-gate /*
102*7c478bd9Sstevel@tonic-gate * Translate a byte-string to a wchar_t string.
103*7c478bd9Sstevel@tonic-gate */
104*7c478bd9Sstevel@tonic-gate wchar_t
_strbyte2code(char * byte,wchar_t * code,int n)105*7c478bd9Sstevel@tonic-gate *_strbyte2code(char *byte, wchar_t *code, int n)
106*7c478bd9Sstevel@tonic-gate {
107*7c478bd9Sstevel@tonic-gate char *endbyte;
108*7c478bd9Sstevel@tonic-gate wchar_t *bufp;
109*7c478bd9Sstevel@tonic-gate static wchar_t *buf;
110*7c478bd9Sstevel@tonic-gate static int bufsize;
111*7c478bd9Sstevel@tonic-gate
112*7c478bd9Sstevel@tonic-gate if (n < 0)
113*7c478bd9Sstevel@tonic-gate for (n = 0; byte[n] != '\0'; ++n)
114*7c478bd9Sstevel@tonic-gate ;
115*7c478bd9Sstevel@tonic-gate
116*7c478bd9Sstevel@tonic-gate if (!code && (n + 1) > bufsize) {
117*7c478bd9Sstevel@tonic-gate if (buf)
118*7c478bd9Sstevel@tonic-gate free((char *)buf);
119*7c478bd9Sstevel@tonic-gate bufsize = n + 1;
120*7c478bd9Sstevel@tonic-gate if ((buf = (wchar_t *)malloc(bufsize * sizeof (wchar_t))) ==
121*7c478bd9Sstevel@tonic-gate NULL)
122*7c478bd9Sstevel@tonic-gate bufsize = 0;
123*7c478bd9Sstevel@tonic-gate }
124*7c478bd9Sstevel@tonic-gate
125*7c478bd9Sstevel@tonic-gate if (!code && !buf)
126*7c478bd9Sstevel@tonic-gate return (NULL);
127*7c478bd9Sstevel@tonic-gate
128*7c478bd9Sstevel@tonic-gate bufp = code ? code : buf;
129*7c478bd9Sstevel@tonic-gate endbyte = byte + n;
130*7c478bd9Sstevel@tonic-gate
131*7c478bd9Sstevel@tonic-gate while (byte < endbyte && *byte) {
132*7c478bd9Sstevel@tonic-gate int type, width;
133*7c478bd9Sstevel@tonic-gate wchar_t wchar;
134*7c478bd9Sstevel@tonic-gate
135*7c478bd9Sstevel@tonic-gate type = TYPE(*byte & 0377);
136*7c478bd9Sstevel@tonic-gate width = cswidth[type];
137*7c478bd9Sstevel@tonic-gate if (type == 1 || type == 2)
138*7c478bd9Sstevel@tonic-gate width++;
139*7c478bd9Sstevel@tonic-gate
140*7c478bd9Sstevel@tonic-gate if (byte + width <= endbyte) {
141*7c478bd9Sstevel@tonic-gate (void) _curs_mbtowc(&wchar, byte, width);
142*7c478bd9Sstevel@tonic-gate *bufp++ = wchar;
143*7c478bd9Sstevel@tonic-gate }
144*7c478bd9Sstevel@tonic-gate
145*7c478bd9Sstevel@tonic-gate byte += width;
146*7c478bd9Sstevel@tonic-gate }
147*7c478bd9Sstevel@tonic-gate *bufp = 0;
148*7c478bd9Sstevel@tonic-gate
149*7c478bd9Sstevel@tonic-gate return (code ? code : buf);
150*7c478bd9Sstevel@tonic-gate }
151