1*16d86563SAlexander Pyhalov /*
2*16d86563SAlexander Pyhalov * CDDL HEADER START
3*16d86563SAlexander Pyhalov *
4*16d86563SAlexander Pyhalov * The contents of this file are subject to the terms of the
5*16d86563SAlexander Pyhalov * Common Development and Distribution License (the "License").
6*16d86563SAlexander Pyhalov * You may not use this file except in compliance with the License.
7*16d86563SAlexander Pyhalov *
8*16d86563SAlexander Pyhalov * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9*16d86563SAlexander Pyhalov * or http://www.opensolaris.org/os/licensing.
10*16d86563SAlexander Pyhalov * See the License for the specific language governing permissions
11*16d86563SAlexander Pyhalov * and limitations under the License.
12*16d86563SAlexander Pyhalov *
13*16d86563SAlexander Pyhalov * When distributing Covered Code, include this CDDL HEADER in each
14*16d86563SAlexander Pyhalov * file and include the License file at src/OPENSOLARIS.LICENSE.
15*16d86563SAlexander Pyhalov * If applicable, add the following below this CDDL HEADER, with the
16*16d86563SAlexander Pyhalov * fields enclosed by brackets "[]" replaced with your own identifying
17*16d86563SAlexander Pyhalov * information: Portions Copyright [yyyy] [name of copyright owner]
18*16d86563SAlexander Pyhalov *
19*16d86563SAlexander Pyhalov * CDDL HEADER END
20*16d86563SAlexander Pyhalov */
21*16d86563SAlexander Pyhalov /*
22*16d86563SAlexander Pyhalov * Copyright(c) 2001 Sun Microsystems, Inc.
23*16d86563SAlexander Pyhalov * All rights reserved.
24*16d86563SAlexander Pyhalov */
25*16d86563SAlexander Pyhalov
26*16d86563SAlexander Pyhalov #if defined UCS_2LE
unichr_to_ucs_2le(st,unichr,buf,buflen,uconv_num)27*16d86563SAlexander Pyhalov static int unichr_to_ucs_2le (st, unichr, buf, buflen, uconv_num)
28*16d86563SAlexander Pyhalov _iconv_st *st;
29*16d86563SAlexander Pyhalov unsigned long unichr;
30*16d86563SAlexander Pyhalov char *buf;
31*16d86563SAlexander Pyhalov size_t buflen;
32*16d86563SAlexander Pyhalov int *uconv_num;
33*16d86563SAlexander Pyhalov {
34*16d86563SAlexander Pyhalov int size = 0;
35*16d86563SAlexander Pyhalov
36*16d86563SAlexander Pyhalov if (unichr > 0x00ffff) {
37*16d86563SAlexander Pyhalov unichr = ICV_CHAR_UCS2_REPLACEMENT;
38*16d86563SAlexander Pyhalov *uconv_num = 1;
39*16d86563SAlexander Pyhalov }
40*16d86563SAlexander Pyhalov
41*16d86563SAlexander Pyhalov if (!st->bom_written) {
42*16d86563SAlexander Pyhalov if (buflen < 4)
43*16d86563SAlexander Pyhalov return 0;
44*16d86563SAlexander Pyhalov
45*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xff;
46*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xfe;
47*16d86563SAlexander Pyhalov st->bom_written = true;
48*16d86563SAlexander Pyhalov }
49*16d86563SAlexander Pyhalov
50*16d86563SAlexander Pyhalov if (buflen < 2)
51*16d86563SAlexander Pyhalov return 0;
52*16d86563SAlexander Pyhalov
53*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)(unichr & 0xff);
54*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 8) & 0xff);
55*16d86563SAlexander Pyhalov
56*16d86563SAlexander Pyhalov return size;
57*16d86563SAlexander Pyhalov }
58*16d86563SAlexander Pyhalov
59*16d86563SAlexander Pyhalov #elif defined UCS_2BE
unichr_to_ucs_2be(st,unichr,buf,buflen,uconv_num)60*16d86563SAlexander Pyhalov static int unichr_to_ucs_2be (st, unichr, buf, buflen, uconv_num)
61*16d86563SAlexander Pyhalov _iconv_st *st;
62*16d86563SAlexander Pyhalov unsigned long unichr;
63*16d86563SAlexander Pyhalov char *buf;
64*16d86563SAlexander Pyhalov size_t buflen;
65*16d86563SAlexander Pyhalov int *uconv_num;
66*16d86563SAlexander Pyhalov {
67*16d86563SAlexander Pyhalov int size = 0;
68*16d86563SAlexander Pyhalov
69*16d86563SAlexander Pyhalov if (unichr > 0x00ffff) {
70*16d86563SAlexander Pyhalov unichr = ICV_CHAR_UCS2_REPLACEMENT;
71*16d86563SAlexander Pyhalov *uconv_num = 1;
72*16d86563SAlexander Pyhalov }
73*16d86563SAlexander Pyhalov
74*16d86563SAlexander Pyhalov if (!st->bom_written) {
75*16d86563SAlexander Pyhalov if (buflen < 4)
76*16d86563SAlexander Pyhalov return 0;
77*16d86563SAlexander Pyhalov
78*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xfe;
79*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xff;
80*16d86563SAlexander Pyhalov st->bom_written = true;
81*16d86563SAlexander Pyhalov }
82*16d86563SAlexander Pyhalov
83*16d86563SAlexander Pyhalov if (buflen < 2)
84*16d86563SAlexander Pyhalov return 0;
85*16d86563SAlexander Pyhalov
86*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 8) & 0xff);
87*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)(unichr & 0xff);
88*16d86563SAlexander Pyhalov
89*16d86563SAlexander Pyhalov return size;
90*16d86563SAlexander Pyhalov }
91*16d86563SAlexander Pyhalov
92*16d86563SAlexander Pyhalov #elif defined UCS_4LE
unichr_to_ucs_4le(st,unichr,buf,buflen,uconv_num)93*16d86563SAlexander Pyhalov static int unichr_to_ucs_4le (st, unichr, buf, buflen, uconv_num)
94*16d86563SAlexander Pyhalov _iconv_st *st;
95*16d86563SAlexander Pyhalov unsigned long unichr;
96*16d86563SAlexander Pyhalov char *buf;
97*16d86563SAlexander Pyhalov size_t buflen;
98*16d86563SAlexander Pyhalov int *uconv_num;
99*16d86563SAlexander Pyhalov {
100*16d86563SAlexander Pyhalov int size = 0;
101*16d86563SAlexander Pyhalov
102*16d86563SAlexander Pyhalov if (unichr == 0xffffffff) {
103*16d86563SAlexander Pyhalov unichr = ICV_CHAR_UCS2_REPLACEMENT;
104*16d86563SAlexander Pyhalov *uconv_num = 1;
105*16d86563SAlexander Pyhalov }
106*16d86563SAlexander Pyhalov
107*16d86563SAlexander Pyhalov if (!st->bom_written) {
108*16d86563SAlexander Pyhalov if (buflen < 8)
109*16d86563SAlexander Pyhalov return 0;
110*16d86563SAlexander Pyhalov
111*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xff;
112*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xfe;
113*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0;
114*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0;
115*16d86563SAlexander Pyhalov st->bom_written = true;
116*16d86563SAlexander Pyhalov }
117*16d86563SAlexander Pyhalov
118*16d86563SAlexander Pyhalov if (buflen < 4)
119*16d86563SAlexander Pyhalov return 0;
120*16d86563SAlexander Pyhalov
121*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)(unichr & 0xff);
122*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 8) & 0xff);
123*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 16) & 0xff);
124*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 24) & 0xff);
125*16d86563SAlexander Pyhalov
126*16d86563SAlexander Pyhalov return size;
127*16d86563SAlexander Pyhalov }
128*16d86563SAlexander Pyhalov
129*16d86563SAlexander Pyhalov #elif defined UCS_4BE
unichr_to_ucs_4be(st,unichr,buf,buflen,uconv_num)130*16d86563SAlexander Pyhalov static int unichr_to_ucs_4be (st, unichr, buf, buflen, uconv_num)
131*16d86563SAlexander Pyhalov _iconv_st *st;
132*16d86563SAlexander Pyhalov unsigned long unichr;
133*16d86563SAlexander Pyhalov char *buf;
134*16d86563SAlexander Pyhalov size_t buflen;
135*16d86563SAlexander Pyhalov int *uconv_num;
136*16d86563SAlexander Pyhalov {
137*16d86563SAlexander Pyhalov int size = 0;
138*16d86563SAlexander Pyhalov
139*16d86563SAlexander Pyhalov if (unichr == 0xffffffff) {
140*16d86563SAlexander Pyhalov unichr = ICV_CHAR_UCS2_REPLACEMENT;
141*16d86563SAlexander Pyhalov *uconv_num = 1;
142*16d86563SAlexander Pyhalov }
143*16d86563SAlexander Pyhalov
144*16d86563SAlexander Pyhalov if (!st->bom_written) {
145*16d86563SAlexander Pyhalov if (buflen < 8)
146*16d86563SAlexander Pyhalov return 0;
147*16d86563SAlexander Pyhalov
148*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0;
149*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0;
150*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xfe;
151*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)0xff;
152*16d86563SAlexander Pyhalov st->bom_written = true;
153*16d86563SAlexander Pyhalov }
154*16d86563SAlexander Pyhalov
155*16d86563SAlexander Pyhalov if (buflen < 4)
156*16d86563SAlexander Pyhalov return 0;
157*16d86563SAlexander Pyhalov
158*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 24) & 0xff);
159*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 16) & 0xff);
160*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)((unichr >> 8) & 0xff);
161*16d86563SAlexander Pyhalov *(buf + size++) = (uchar_t)(unichr & 0xff);
162*16d86563SAlexander Pyhalov
163*16d86563SAlexander Pyhalov return size;
164*16d86563SAlexander Pyhalov }
165*16d86563SAlexander Pyhalov
166*16d86563SAlexander Pyhalov #else
unichr_to_utf8(_iconv_st * st,unsigned long unichr,char * buf,size_t buflen,int * uconv_num)167*16d86563SAlexander Pyhalov static int unichr_to_utf8(_iconv_st *st, unsigned long unichr, char *buf,
168*16d86563SAlexander Pyhalov size_t buflen, int *uconv_num)
169*16d86563SAlexander Pyhalov {
170*16d86563SAlexander Pyhalov if (unichr < 0x0080) {
171*16d86563SAlexander Pyhalov if (buflen < 1) {
172*16d86563SAlexander Pyhalov errno = E2BIG;
173*16d86563SAlexander Pyhalov return(0);
174*16d86563SAlexander Pyhalov }
175*16d86563SAlexander Pyhalov *buf = (char) unichr;
176*16d86563SAlexander Pyhalov return(1);
177*16d86563SAlexander Pyhalov }
178*16d86563SAlexander Pyhalov
179*16d86563SAlexander Pyhalov if (unichr >= 0x0080 && unichr <= 0x07ff) {
180*16d86563SAlexander Pyhalov if (buflen < 2) {
181*16d86563SAlexander Pyhalov errno = E2BIG;
182*16d86563SAlexander Pyhalov return(0);
183*16d86563SAlexander Pyhalov }
184*16d86563SAlexander Pyhalov *buf = (char)((unichr >> 6) & 0x1f) | 0xc0;
185*16d86563SAlexander Pyhalov *(buf+1) = (char)(unichr & 0x3f) | 0x80;
186*16d86563SAlexander Pyhalov return(2);
187*16d86563SAlexander Pyhalov }
188*16d86563SAlexander Pyhalov
189*16d86563SAlexander Pyhalov if (unichr >= 0x0800 && unichr <= 0xffff) {
190*16d86563SAlexander Pyhalov if (buflen < 3) {
191*16d86563SAlexander Pyhalov errno = E2BIG;
192*16d86563SAlexander Pyhalov return(0);
193*16d86563SAlexander Pyhalov }
194*16d86563SAlexander Pyhalov *buf = (char)((unichr >> 12) & 0xf) | 0xe0;
195*16d86563SAlexander Pyhalov *(buf+1) = (char)((unichr >>6) & 0x3f) | 0x80;
196*16d86563SAlexander Pyhalov *(buf+2) = (char)(unichr & 0x3f) | 0x80;
197*16d86563SAlexander Pyhalov return(3);
198*16d86563SAlexander Pyhalov }
199*16d86563SAlexander Pyhalov
200*16d86563SAlexander Pyhalov if (unichr >= 0x10000 && unichr <= 0x10ffff) {
201*16d86563SAlexander Pyhalov if (buflen < 4) {
202*16d86563SAlexander Pyhalov errno = E2BIG;
203*16d86563SAlexander Pyhalov return(0);
204*16d86563SAlexander Pyhalov }
205*16d86563SAlexander Pyhalov
206*16d86563SAlexander Pyhalov *buf = (char)((unichr >> 18) & 0x7) | 0xf0;
207*16d86563SAlexander Pyhalov *(buf+1) = (char)((unichr >> 12) & 0x3f) | 0x80;
208*16d86563SAlexander Pyhalov *(buf+2) = (char)((unichr >>6) & 0x3f) | 0x80;
209*16d86563SAlexander Pyhalov *(buf+3) = (char)(unichr & 0x3f) | 0x80;
210*16d86563SAlexander Pyhalov return(4);
211*16d86563SAlexander Pyhalov }
212*16d86563SAlexander Pyhalov
213*16d86563SAlexander Pyhalov /* unrecognized unicode character */
214*16d86563SAlexander Pyhalov if (buflen < 3) {
215*16d86563SAlexander Pyhalov errno = E2BIG;
216*16d86563SAlexander Pyhalov return(0);
217*16d86563SAlexander Pyhalov }
218*16d86563SAlexander Pyhalov *buf = (char)UTF8_NON_ID_CHAR1;
219*16d86563SAlexander Pyhalov *(buf+1) = (char)UTF8_NON_ID_CHAR2;
220*16d86563SAlexander Pyhalov *(buf+2) = (char)UTF8_NON_ID_CHAR3;
221*16d86563SAlexander Pyhalov
222*16d86563SAlexander Pyhalov /* non-identical conversions */
223*16d86563SAlexander Pyhalov *uconv_num = 1;
224*16d86563SAlexander Pyhalov
225*16d86563SAlexander Pyhalov return(3);
226*16d86563SAlexander Pyhalov }
227*16d86563SAlexander Pyhalov #endif
228*16d86563SAlexander Pyhalov
229*16d86563SAlexander Pyhalov /*
230*16d86563SAlexander Pyhalov vi:ts=8:ai:expandtab
231*16d86563SAlexander Pyhalov */
232