/src/libesedb/libuna/libuna_unicode_character.c
Line | Count | Source |
1 | | /* |
2 | | * Unicode character functions |
3 | | * |
4 | | * Copyright (C) 2008-2026, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <common.h> |
23 | | #include <types.h> |
24 | | |
25 | | #include "libuna_base64_stream.h" |
26 | | #include "libuna_codepage_iso_8859_2.h" |
27 | | #include "libuna_codepage_iso_8859_3.h" |
28 | | #include "libuna_codepage_iso_8859_4.h" |
29 | | #include "libuna_codepage_iso_8859_5.h" |
30 | | #include "libuna_codepage_iso_8859_6.h" |
31 | | #include "libuna_codepage_iso_8859_7.h" |
32 | | #include "libuna_codepage_iso_8859_8.h" |
33 | | #include "libuna_codepage_iso_8859_9.h" |
34 | | #include "libuna_codepage_iso_8859_10.h" |
35 | | #include "libuna_codepage_iso_8859_13.h" |
36 | | #include "libuna_codepage_iso_8859_14.h" |
37 | | #include "libuna_codepage_iso_8859_15.h" |
38 | | #include "libuna_codepage_iso_8859_16.h" |
39 | | #include "libuna_codepage_koi8_r.h" |
40 | | #include "libuna_codepage_koi8_u.h" |
41 | | #include "libuna_codepage_mac_arabic.h" |
42 | | #include "libuna_codepage_mac_celtic.h" |
43 | | #include "libuna_codepage_mac_centraleurroman.h" |
44 | | #include "libuna_codepage_mac_croatian.h" |
45 | | #include "libuna_codepage_mac_cyrillic.h" |
46 | | #include "libuna_codepage_mac_dingbats.h" |
47 | | #include "libuna_codepage_mac_farsi.h" |
48 | | #include "libuna_codepage_mac_gaelic.h" |
49 | | #include "libuna_codepage_mac_greek.h" |
50 | | #include "libuna_codepage_mac_icelandic.h" |
51 | | #include "libuna_codepage_mac_inuit.h" |
52 | | #include "libuna_codepage_mac_roman.h" |
53 | | #include "libuna_codepage_mac_romanian.h" |
54 | | #include "libuna_codepage_mac_russian.h" |
55 | | #include "libuna_codepage_mac_symbol.h" |
56 | | #include "libuna_codepage_mac_thai.h" |
57 | | #include "libuna_codepage_mac_turkish.h" |
58 | | #include "libuna_codepage_mac_ukrainian.h" |
59 | | #include "libuna_codepage_windows_874.h" |
60 | | #include "libuna_codepage_windows_932.h" |
61 | | #include "libuna_codepage_windows_936.h" |
62 | | #include "libuna_codepage_windows_949.h" |
63 | | #include "libuna_codepage_windows_950.h" |
64 | | #include "libuna_codepage_windows_1250.h" |
65 | | #include "libuna_codepage_windows_1251.h" |
66 | | #include "libuna_codepage_windows_1252.h" |
67 | | #include "libuna_codepage_windows_1253.h" |
68 | | #include "libuna_codepage_windows_1254.h" |
69 | | #include "libuna_codepage_windows_1255.h" |
70 | | #include "libuna_codepage_windows_1256.h" |
71 | | #include "libuna_codepage_windows_1257.h" |
72 | | #include "libuna_codepage_windows_1258.h" |
73 | | #include "libuna_definitions.h" |
74 | | #include "libuna_libcerror.h" |
75 | | #include "libuna_types.h" |
76 | | #include "libuna_unicode_character.h" |
77 | | #include "libuna_unused.h" |
78 | | |
79 | | /* Valid directly encoded characters: A-Z, a-z, 0-9, '\', '(', ')', ',', '-', '.', '/', ':', '?' |
80 | | * Valid directly encoded whitespace: '\t', '\n', '\r', ' ' |
81 | | * Valid optional directly encoded characters: '!', '"', '#', '$', '%', '&', '*', ';', '<', '=', '>', '@', '[', ']', '^', '_', '`', '{', '|', '}' |
82 | | */ |
83 | | static uint8_t libuna_unicode_character_utf7_valid_directly_encoded_character[ 256 ] = { |
84 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, |
85 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
86 | | 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, |
87 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
88 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
89 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
90 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
91 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, |
92 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
93 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
94 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
95 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
96 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
97 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
98 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
99 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
100 | | |
101 | | /* Valid UTF-7 base64 characters: A-Z, a-z, 0-9, '+' and '/' |
102 | | */ |
103 | | static uint8_t libuna_unicode_character_utf7_valid_base64_character[ 256 ] = { |
104 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
105 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
106 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, |
107 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, |
108 | | 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
109 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, |
110 | | 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
111 | | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, |
112 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
113 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
114 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
115 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
116 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
117 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
118 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
119 | | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
120 | | |
121 | | /* Determines the size of a byte stream character from an Unicode character |
122 | | * Adds the size to the byte stream character size value |
123 | | * Returns 1 if successful, 0 if the byte stream character is valid but not supported since it requires special handling or -1 on error |
124 | | */ |
125 | | int libuna_unicode_character_size_to_byte_stream( |
126 | | libuna_unicode_character_t unicode_character, |
127 | | int codepage, |
128 | | size_t *byte_stream_character_size, |
129 | | libcerror_error_t **error ) |
130 | 12.2k | { |
131 | 12.2k | static char *function = "libuna_unicode_character_size_to_byte_stream"; |
132 | 12.2k | size_t safe_byte_stream_character_size = 0; |
133 | 12.2k | int result = 1; |
134 | | |
135 | 12.2k | if( byte_stream_character_size == NULL ) |
136 | 0 | { |
137 | 0 | libcerror_error_set( |
138 | 0 | error, |
139 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
140 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
141 | 0 | "%s: invalid byte stream character size.", |
142 | 0 | function ); |
143 | |
|
144 | 0 | return( -1 ); |
145 | 0 | } |
146 | 12.2k | safe_byte_stream_character_size = *byte_stream_character_size; |
147 | | |
148 | 12.2k | switch( codepage ) |
149 | 12.2k | { |
150 | 12.2k | case LIBUNA_CODEPAGE_ASCII: |
151 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_1: |
152 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_2: |
153 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_3: |
154 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_4: |
155 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_5: |
156 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_6: |
157 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_7: |
158 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_8: |
159 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_9: |
160 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_10: |
161 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_11: |
162 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_13: |
163 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_14: |
164 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_15: |
165 | 12.2k | case LIBUNA_CODEPAGE_ISO_8859_16: |
166 | 12.2k | case LIBUNA_CODEPAGE_KOI8_R: |
167 | 12.2k | case LIBUNA_CODEPAGE_KOI8_U: |
168 | 12.2k | case LIBUNA_CODEPAGE_MAC_ARABIC: |
169 | 12.2k | case LIBUNA_CODEPAGE_MAC_CELTIC: |
170 | 12.2k | case LIBUNA_CODEPAGE_MAC_CENTRALEURROMAN: |
171 | 12.2k | case LIBUNA_CODEPAGE_MAC_CROATIAN: |
172 | 12.2k | case LIBUNA_CODEPAGE_MAC_CYRILLIC: |
173 | 12.2k | case LIBUNA_CODEPAGE_MAC_DINGBATS: |
174 | 12.2k | case LIBUNA_CODEPAGE_MAC_FARSI: |
175 | 12.2k | case LIBUNA_CODEPAGE_MAC_GAELIC: |
176 | 12.2k | case LIBUNA_CODEPAGE_MAC_GREEK: |
177 | 12.2k | case LIBUNA_CODEPAGE_MAC_ICELANDIC: |
178 | 12.2k | case LIBUNA_CODEPAGE_MAC_INUIT: |
179 | 12.2k | case LIBUNA_CODEPAGE_MAC_ROMAN: |
180 | 12.2k | case LIBUNA_CODEPAGE_MAC_ROMANIAN: |
181 | 12.2k | case LIBUNA_CODEPAGE_MAC_RUSSIAN: |
182 | 12.2k | case LIBUNA_CODEPAGE_MAC_TURKISH: |
183 | 12.2k | case LIBUNA_CODEPAGE_MAC_UKRAINIAN: |
184 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_874: |
185 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1250: |
186 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1251: |
187 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1252: |
188 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1253: |
189 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1254: |
190 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1255: |
191 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1256: |
192 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1257: |
193 | 12.2k | case LIBUNA_CODEPAGE_WINDOWS_1258: |
194 | 12.2k | safe_byte_stream_character_size += 1; |
195 | 12.2k | break; |
196 | | |
197 | 0 | case LIBUNA_CODEPAGE_MAC_SYMBOL: |
198 | 0 | result = libuna_codepage_mac_symbol_unicode_character_size_to_byte_stream( |
199 | 0 | unicode_character, |
200 | 0 | &safe_byte_stream_character_size, |
201 | 0 | error ); |
202 | 0 | break; |
203 | | |
204 | 0 | case LIBUNA_CODEPAGE_MAC_THAI: |
205 | 0 | result = libuna_codepage_mac_thai_unicode_character_size_to_byte_stream( |
206 | 0 | unicode_character, |
207 | 0 | &safe_byte_stream_character_size, |
208 | 0 | error ); |
209 | 0 | break; |
210 | | |
211 | 0 | case LIBUNA_CODEPAGE_WINDOWS_932: |
212 | 0 | result = libuna_codepage_windows_932_unicode_character_size_to_byte_stream( |
213 | 0 | unicode_character, |
214 | 0 | &safe_byte_stream_character_size, |
215 | 0 | error ); |
216 | 0 | break; |
217 | | |
218 | 0 | case LIBUNA_CODEPAGE_WINDOWS_936: |
219 | 0 | result = libuna_codepage_windows_936_unicode_character_size_to_byte_stream( |
220 | 0 | unicode_character, |
221 | 0 | &safe_byte_stream_character_size, |
222 | 0 | error ); |
223 | 0 | break; |
224 | | |
225 | 0 | case LIBUNA_CODEPAGE_WINDOWS_949: |
226 | 0 | result = libuna_codepage_windows_949_unicode_character_size_to_byte_stream( |
227 | 0 | unicode_character, |
228 | 0 | &safe_byte_stream_character_size, |
229 | 0 | error ); |
230 | 0 | break; |
231 | | |
232 | 0 | case LIBUNA_CODEPAGE_WINDOWS_950: |
233 | 0 | result = libuna_codepage_windows_950_unicode_character_size_to_byte_stream( |
234 | 0 | unicode_character, |
235 | 0 | &safe_byte_stream_character_size, |
236 | 0 | error ); |
237 | 0 | break; |
238 | | |
239 | 0 | default: |
240 | 0 | libcerror_error_set( |
241 | 0 | error, |
242 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
243 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
244 | 0 | "%s: unsupported codepage: %d.", |
245 | 0 | function, |
246 | 0 | codepage ); |
247 | |
|
248 | 0 | return( -1 ); |
249 | 12.2k | } |
250 | 12.2k | if( result == -1 ) |
251 | 0 | { |
252 | 0 | libcerror_error_set( |
253 | 0 | error, |
254 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
255 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
256 | 0 | "%s: unable to determine byte stream character size.", |
257 | 0 | function ); |
258 | |
|
259 | 0 | return( -1 ); |
260 | 0 | } |
261 | 12.2k | *byte_stream_character_size = safe_byte_stream_character_size; |
262 | | |
263 | 12.2k | return( result ); |
264 | 12.2k | } |
265 | | |
266 | | /* Copies an Unicode character from a byte stream |
267 | | * Returns 1 if successful, 0 if the byte stream character is valid but not supported since it requires special handling or -1 on error |
268 | | */ |
269 | | int libuna_unicode_character_copy_from_byte_stream( |
270 | | libuna_unicode_character_t *unicode_character, |
271 | | const uint8_t *byte_stream, |
272 | | size_t byte_stream_size, |
273 | | size_t *byte_stream_index, |
274 | | int codepage, |
275 | | libcerror_error_t **error ) |
276 | 202k | { |
277 | 202k | static char *function = "libuna_unicode_character_copy_from_byte_stream"; |
278 | 202k | libuna_unicode_character_t safe_unicode_character = 0; |
279 | 202k | size_t safe_byte_stream_index = 0; |
280 | 202k | uint8_t byte_stream_character = 0; |
281 | 202k | int result = 1; |
282 | | |
283 | 202k | if( unicode_character == NULL ) |
284 | 0 | { |
285 | 0 | libcerror_error_set( |
286 | 0 | error, |
287 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
288 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
289 | 0 | "%s: invalid Unicode character.", |
290 | 0 | function ); |
291 | |
|
292 | 0 | return( -1 ); |
293 | 0 | } |
294 | 202k | if( byte_stream == NULL ) |
295 | 0 | { |
296 | 0 | libcerror_error_set( |
297 | 0 | error, |
298 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
299 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
300 | 0 | "%s: invalid byte stream.", |
301 | 0 | function ); |
302 | |
|
303 | 0 | return( -1 ); |
304 | 0 | } |
305 | 202k | if( byte_stream_size > (size_t) SSIZE_MAX ) |
306 | 0 | { |
307 | 0 | libcerror_error_set( |
308 | 0 | error, |
309 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
310 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
311 | 0 | "%s: invalid byte stream size value exceeds maximum.", |
312 | 0 | function ); |
313 | |
|
314 | 0 | return( -1 ); |
315 | 0 | } |
316 | 202k | if( byte_stream_index == NULL ) |
317 | 0 | { |
318 | 0 | libcerror_error_set( |
319 | 0 | error, |
320 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
321 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
322 | 0 | "%s: invalid byte stream index.", |
323 | 0 | function ); |
324 | |
|
325 | 0 | return( -1 ); |
326 | 0 | } |
327 | 202k | safe_byte_stream_index = *byte_stream_index; |
328 | | |
329 | 202k | if( safe_byte_stream_index >= byte_stream_size ) |
330 | 0 | { |
331 | 0 | libcerror_error_set( |
332 | 0 | error, |
333 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
334 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
335 | 0 | "%s: byte stream too small.", |
336 | 0 | function ); |
337 | |
|
338 | 0 | return( -1 ); |
339 | 0 | } |
340 | 202k | byte_stream_character = byte_stream[ safe_byte_stream_index ]; |
341 | | |
342 | 202k | switch( codepage ) |
343 | 202k | { |
344 | 112k | case LIBUNA_CODEPAGE_ASCII: |
345 | 112k | if( byte_stream_character < 0x80 ) |
346 | 110k | { |
347 | 110k | safe_unicode_character = byte_stream_character; |
348 | 110k | } |
349 | 2.76k | else |
350 | 2.76k | { |
351 | 2.76k | safe_unicode_character = 0xfffd; |
352 | 2.76k | } |
353 | 112k | safe_byte_stream_index += 1; |
354 | | |
355 | 112k | break; |
356 | | |
357 | 0 | case LIBUNA_CODEPAGE_ISO_8859_1: |
358 | 0 | safe_unicode_character = byte_stream_character; |
359 | |
|
360 | 0 | safe_byte_stream_index += 1; |
361 | |
|
362 | 0 | break; |
363 | | |
364 | 0 | case LIBUNA_CODEPAGE_ISO_8859_2: |
365 | 0 | if( byte_stream_character < 0xa0 ) |
366 | 0 | { |
367 | 0 | safe_unicode_character = byte_stream_character; |
368 | 0 | } |
369 | 0 | else |
370 | 0 | { |
371 | 0 | byte_stream_character -= 0xa0; |
372 | |
|
373 | 0 | safe_unicode_character = libuna_codepage_iso_8859_2_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
374 | 0 | } |
375 | 0 | safe_byte_stream_index += 1; |
376 | |
|
377 | 0 | break; |
378 | | |
379 | 0 | case LIBUNA_CODEPAGE_ISO_8859_3: |
380 | 0 | if( byte_stream_character < 0xa0 ) |
381 | 0 | { |
382 | 0 | safe_unicode_character = byte_stream_character; |
383 | 0 | } |
384 | 0 | else |
385 | 0 | { |
386 | 0 | byte_stream_character -= 0xa0; |
387 | |
|
388 | 0 | safe_unicode_character = libuna_codepage_iso_8859_3_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
389 | 0 | } |
390 | 0 | safe_byte_stream_index += 1; |
391 | |
|
392 | 0 | break; |
393 | | |
394 | 0 | case LIBUNA_CODEPAGE_ISO_8859_4: |
395 | 0 | if( byte_stream_character < 0xa0 ) |
396 | 0 | { |
397 | 0 | safe_unicode_character = byte_stream_character; |
398 | 0 | } |
399 | 0 | else |
400 | 0 | { |
401 | 0 | byte_stream_character -= 0xa0; |
402 | |
|
403 | 0 | safe_unicode_character = libuna_codepage_iso_8859_4_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
404 | 0 | } |
405 | 0 | safe_byte_stream_index += 1; |
406 | |
|
407 | 0 | break; |
408 | | |
409 | 0 | case LIBUNA_CODEPAGE_ISO_8859_5: |
410 | 0 | if( byte_stream_character < 0xa0 ) |
411 | 0 | { |
412 | 0 | safe_unicode_character = byte_stream_character; |
413 | 0 | } |
414 | 0 | else |
415 | 0 | { |
416 | 0 | byte_stream_character -= 0xa0; |
417 | |
|
418 | 0 | safe_unicode_character = libuna_codepage_iso_8859_5_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
419 | 0 | } |
420 | 0 | safe_byte_stream_index += 1; |
421 | |
|
422 | 0 | break; |
423 | | |
424 | 0 | case LIBUNA_CODEPAGE_ISO_8859_6: |
425 | 0 | if( byte_stream_character < 0xa0 ) |
426 | 0 | { |
427 | 0 | safe_unicode_character = byte_stream_character; |
428 | 0 | } |
429 | 0 | else |
430 | 0 | { |
431 | 0 | byte_stream_character -= 0xa0; |
432 | |
|
433 | 0 | safe_unicode_character = libuna_codepage_iso_8859_6_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
434 | 0 | } |
435 | 0 | safe_byte_stream_index += 1; |
436 | |
|
437 | 0 | break; |
438 | | |
439 | 0 | case LIBUNA_CODEPAGE_ISO_8859_7: |
440 | 0 | if( byte_stream_character < 0xa0 ) |
441 | 0 | { |
442 | 0 | safe_unicode_character = byte_stream_character; |
443 | 0 | } |
444 | 0 | else |
445 | 0 | { |
446 | 0 | byte_stream_character -= 0xa0; |
447 | |
|
448 | 0 | safe_unicode_character = libuna_codepage_iso_8859_7_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
449 | 0 | } |
450 | 0 | safe_byte_stream_index += 1; |
451 | |
|
452 | 0 | break; |
453 | | |
454 | 0 | case LIBUNA_CODEPAGE_ISO_8859_8: |
455 | 0 | if( byte_stream_character < 0xa0 ) |
456 | 0 | { |
457 | 0 | safe_unicode_character = byte_stream_character; |
458 | 0 | } |
459 | 0 | else |
460 | 0 | { |
461 | 0 | byte_stream_character -= 0xa0; |
462 | |
|
463 | 0 | safe_unicode_character = libuna_codepage_iso_8859_8_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
464 | 0 | } |
465 | 0 | safe_byte_stream_index += 1; |
466 | |
|
467 | 0 | break; |
468 | | |
469 | 0 | case LIBUNA_CODEPAGE_ISO_8859_9: |
470 | 0 | if( byte_stream_character < 0xd0 ) |
471 | 0 | { |
472 | 0 | safe_unicode_character = byte_stream_character; |
473 | 0 | } |
474 | 0 | else |
475 | 0 | { |
476 | 0 | byte_stream_character -= 0xd0; |
477 | |
|
478 | 0 | safe_unicode_character = libuna_codepage_iso_8859_9_byte_stream_to_unicode_base_0xd0[ byte_stream_character ]; |
479 | 0 | } |
480 | 0 | safe_byte_stream_index += 1; |
481 | |
|
482 | 0 | break; |
483 | | |
484 | 0 | case LIBUNA_CODEPAGE_ISO_8859_10: |
485 | 0 | if( byte_stream_character < 0xa0 ) |
486 | 0 | { |
487 | 0 | safe_unicode_character = byte_stream_character; |
488 | 0 | } |
489 | 0 | else |
490 | 0 | { |
491 | 0 | byte_stream_character -= 0xa0; |
492 | |
|
493 | 0 | safe_unicode_character = libuna_codepage_iso_8859_10_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
494 | 0 | } |
495 | 0 | safe_byte_stream_index += 1; |
496 | |
|
497 | 0 | break; |
498 | | |
499 | 0 | case LIBUNA_CODEPAGE_ISO_8859_11: |
500 | 0 | if( byte_stream_character < 0xa1 ) |
501 | 0 | { |
502 | 0 | safe_unicode_character = byte_stream_character; |
503 | 0 | } |
504 | 0 | else if( byte_stream_character < 0xdb ) |
505 | 0 | { |
506 | 0 | safe_unicode_character = byte_stream_character + 0x0d60; |
507 | 0 | } |
508 | 0 | else if( byte_stream_character < 0xdf ) |
509 | 0 | { |
510 | 0 | safe_unicode_character = 0xfffd; |
511 | 0 | } |
512 | 0 | else if( byte_stream_character < 0xfc ) |
513 | 0 | { |
514 | 0 | safe_unicode_character = byte_stream_character + 0x0d60; |
515 | 0 | } |
516 | 0 | else |
517 | 0 | { |
518 | 0 | safe_unicode_character = 0xfffd; |
519 | 0 | } |
520 | 0 | safe_byte_stream_index += 1; |
521 | |
|
522 | 0 | break; |
523 | | |
524 | 0 | case LIBUNA_CODEPAGE_ISO_8859_13: |
525 | 0 | if( byte_stream_character < 0xa0 ) |
526 | 0 | { |
527 | 0 | safe_unicode_character = byte_stream_character; |
528 | 0 | } |
529 | 0 | else |
530 | 0 | { |
531 | 0 | byte_stream_character -= 0xa0; |
532 | |
|
533 | 0 | safe_unicode_character = libuna_codepage_iso_8859_13_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
534 | 0 | } |
535 | 0 | safe_byte_stream_index += 1; |
536 | |
|
537 | 0 | break; |
538 | | |
539 | 0 | case LIBUNA_CODEPAGE_ISO_8859_14: |
540 | 0 | if( byte_stream_character < 0xa0 ) |
541 | 0 | { |
542 | 0 | safe_unicode_character = byte_stream_character; |
543 | 0 | } |
544 | 0 | else |
545 | 0 | { |
546 | 0 | byte_stream_character -= 0xa0; |
547 | |
|
548 | 0 | safe_unicode_character = libuna_codepage_iso_8859_14_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
549 | 0 | } |
550 | 0 | safe_byte_stream_index += 1; |
551 | |
|
552 | 0 | break; |
553 | | |
554 | 0 | case LIBUNA_CODEPAGE_ISO_8859_15: |
555 | 0 | if( ( byte_stream_character >= 0xa0 ) |
556 | 0 | && ( byte_stream_character < 0xc0 ) ) |
557 | 0 | { |
558 | 0 | byte_stream_character -= 0xa0; |
559 | |
|
560 | 0 | safe_unicode_character = libuna_codepage_iso_8859_15_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
561 | 0 | } |
562 | 0 | else |
563 | 0 | { |
564 | 0 | safe_unicode_character = byte_stream_character; |
565 | 0 | } |
566 | 0 | safe_byte_stream_index += 1; |
567 | |
|
568 | 0 | break; |
569 | | |
570 | 0 | case LIBUNA_CODEPAGE_ISO_8859_16: |
571 | 0 | if( byte_stream_character < 0xa0 ) |
572 | 0 | { |
573 | 0 | safe_unicode_character = byte_stream_character; |
574 | 0 | } |
575 | 0 | else |
576 | 0 | { |
577 | 0 | byte_stream_character -= 0xa0; |
578 | |
|
579 | 0 | safe_unicode_character = libuna_codepage_iso_8859_16_byte_stream_to_unicode_base_0xa0[ byte_stream_character ]; |
580 | 0 | } |
581 | 0 | safe_byte_stream_index += 1; |
582 | |
|
583 | 0 | break; |
584 | | |
585 | 0 | case LIBUNA_CODEPAGE_KOI8_R: |
586 | 0 | result = libuna_codepage_koi8_r_copy_from_byte_stream( |
587 | 0 | &safe_unicode_character, |
588 | 0 | byte_stream, |
589 | 0 | byte_stream_size, |
590 | 0 | &safe_byte_stream_index, |
591 | 0 | error ); |
592 | 0 | break; |
593 | | |
594 | 0 | case LIBUNA_CODEPAGE_KOI8_U: |
595 | 0 | result = libuna_codepage_koi8_u_copy_from_byte_stream( |
596 | 0 | &safe_unicode_character, |
597 | 0 | byte_stream, |
598 | 0 | byte_stream_size, |
599 | 0 | &safe_byte_stream_index, |
600 | 0 | error ); |
601 | 0 | break; |
602 | | |
603 | 0 | case LIBUNA_CODEPAGE_MAC_ARABIC: |
604 | 0 | result = libuna_codepage_mac_arabic_copy_from_byte_stream( |
605 | 0 | &safe_unicode_character, |
606 | 0 | byte_stream, |
607 | 0 | byte_stream_size, |
608 | 0 | &safe_byte_stream_index, |
609 | 0 | error ); |
610 | 0 | break; |
611 | | |
612 | 0 | case LIBUNA_CODEPAGE_MAC_CELTIC: |
613 | 0 | result = libuna_codepage_mac_celtic_copy_from_byte_stream( |
614 | 0 | &safe_unicode_character, |
615 | 0 | byte_stream, |
616 | 0 | byte_stream_size, |
617 | 0 | &safe_byte_stream_index, |
618 | 0 | error ); |
619 | 0 | break; |
620 | | |
621 | 0 | case LIBUNA_CODEPAGE_MAC_CENTRALEURROMAN: |
622 | 0 | result = libuna_codepage_mac_centraleurroman_copy_from_byte_stream( |
623 | 0 | &safe_unicode_character, |
624 | 0 | byte_stream, |
625 | 0 | byte_stream_size, |
626 | 0 | &safe_byte_stream_index, |
627 | 0 | error ); |
628 | 0 | break; |
629 | | |
630 | 0 | case LIBUNA_CODEPAGE_MAC_CROATIAN: |
631 | 0 | result = libuna_codepage_mac_croatian_copy_from_byte_stream( |
632 | 0 | &safe_unicode_character, |
633 | 0 | byte_stream, |
634 | 0 | byte_stream_size, |
635 | 0 | &safe_byte_stream_index, |
636 | 0 | error ); |
637 | 0 | break; |
638 | | |
639 | 0 | case LIBUNA_CODEPAGE_MAC_CYRILLIC: |
640 | 0 | result = libuna_codepage_mac_cyrillic_copy_from_byte_stream( |
641 | 0 | &safe_unicode_character, |
642 | 0 | byte_stream, |
643 | 0 | byte_stream_size, |
644 | 0 | &safe_byte_stream_index, |
645 | 0 | error ); |
646 | 0 | break; |
647 | | |
648 | 0 | case LIBUNA_CODEPAGE_MAC_DINGBATS: |
649 | 0 | result = libuna_codepage_mac_dingbats_copy_from_byte_stream( |
650 | 0 | &safe_unicode_character, |
651 | 0 | byte_stream, |
652 | 0 | byte_stream_size, |
653 | 0 | &safe_byte_stream_index, |
654 | 0 | error ); |
655 | 0 | break; |
656 | | |
657 | 0 | case LIBUNA_CODEPAGE_MAC_FARSI: |
658 | 0 | result = libuna_codepage_mac_farsi_copy_from_byte_stream( |
659 | 0 | &safe_unicode_character, |
660 | 0 | byte_stream, |
661 | 0 | byte_stream_size, |
662 | 0 | &safe_byte_stream_index, |
663 | 0 | error ); |
664 | 0 | break; |
665 | | |
666 | 0 | case LIBUNA_CODEPAGE_MAC_GAELIC: |
667 | 0 | result = libuna_codepage_mac_gaelic_copy_from_byte_stream( |
668 | 0 | &safe_unicode_character, |
669 | 0 | byte_stream, |
670 | 0 | byte_stream_size, |
671 | 0 | &safe_byte_stream_index, |
672 | 0 | error ); |
673 | 0 | break; |
674 | | |
675 | 0 | case LIBUNA_CODEPAGE_MAC_GREEK: |
676 | 0 | result = libuna_codepage_mac_greek_copy_from_byte_stream( |
677 | 0 | &safe_unicode_character, |
678 | 0 | byte_stream, |
679 | 0 | byte_stream_size, |
680 | 0 | &safe_byte_stream_index, |
681 | 0 | error ); |
682 | 0 | break; |
683 | | |
684 | 0 | case LIBUNA_CODEPAGE_MAC_ICELANDIC: |
685 | 0 | result = libuna_codepage_mac_icelandic_copy_from_byte_stream( |
686 | 0 | &safe_unicode_character, |
687 | 0 | byte_stream, |
688 | 0 | byte_stream_size, |
689 | 0 | &safe_byte_stream_index, |
690 | 0 | error ); |
691 | 0 | break; |
692 | | |
693 | 0 | case LIBUNA_CODEPAGE_MAC_INUIT: |
694 | 0 | result = libuna_codepage_mac_inuit_copy_from_byte_stream( |
695 | 0 | &safe_unicode_character, |
696 | 0 | byte_stream, |
697 | 0 | byte_stream_size, |
698 | 0 | &safe_byte_stream_index, |
699 | 0 | error ); |
700 | 0 | break; |
701 | | |
702 | 0 | case LIBUNA_CODEPAGE_MAC_ROMAN: |
703 | 0 | result = libuna_codepage_mac_roman_copy_from_byte_stream( |
704 | 0 | &safe_unicode_character, |
705 | 0 | byte_stream, |
706 | 0 | byte_stream_size, |
707 | 0 | &safe_byte_stream_index, |
708 | 0 | error ); |
709 | 0 | break; |
710 | | |
711 | 0 | case LIBUNA_CODEPAGE_MAC_ROMANIAN: |
712 | 0 | result = libuna_codepage_mac_romanian_copy_from_byte_stream( |
713 | 0 | &safe_unicode_character, |
714 | 0 | byte_stream, |
715 | 0 | byte_stream_size, |
716 | 0 | &safe_byte_stream_index, |
717 | 0 | error ); |
718 | 0 | break; |
719 | | |
720 | 0 | case LIBUNA_CODEPAGE_MAC_RUSSIAN: |
721 | 0 | result = libuna_codepage_mac_russian_copy_from_byte_stream( |
722 | 0 | &safe_unicode_character, |
723 | 0 | byte_stream, |
724 | 0 | byte_stream_size, |
725 | 0 | &safe_byte_stream_index, |
726 | 0 | error ); |
727 | 0 | break; |
728 | | |
729 | 0 | case LIBUNA_CODEPAGE_MAC_SYMBOL: |
730 | 0 | result = libuna_codepage_mac_symbol_copy_from_byte_stream( |
731 | 0 | &safe_unicode_character, |
732 | 0 | byte_stream, |
733 | 0 | byte_stream_size, |
734 | 0 | &safe_byte_stream_index, |
735 | 0 | error ); |
736 | 0 | break; |
737 | | |
738 | 0 | case LIBUNA_CODEPAGE_MAC_THAI: |
739 | 0 | result = libuna_codepage_mac_thai_copy_from_byte_stream( |
740 | 0 | &safe_unicode_character, |
741 | 0 | byte_stream, |
742 | 0 | byte_stream_size, |
743 | 0 | &safe_byte_stream_index, |
744 | 0 | error ); |
745 | 0 | break; |
746 | | |
747 | 0 | case LIBUNA_CODEPAGE_MAC_TURKISH: |
748 | 0 | result = libuna_codepage_mac_turkish_copy_from_byte_stream( |
749 | 0 | &safe_unicode_character, |
750 | 0 | byte_stream, |
751 | 0 | byte_stream_size, |
752 | 0 | &safe_byte_stream_index, |
753 | 0 | error ); |
754 | 0 | break; |
755 | | |
756 | 0 | case LIBUNA_CODEPAGE_MAC_UKRAINIAN: |
757 | 0 | result = libuna_codepage_mac_ukrainian_copy_from_byte_stream( |
758 | 0 | &safe_unicode_character, |
759 | 0 | byte_stream, |
760 | 0 | byte_stream_size, |
761 | 0 | &safe_byte_stream_index, |
762 | 0 | error ); |
763 | 0 | break; |
764 | | |
765 | 0 | case LIBUNA_CODEPAGE_WINDOWS_874: |
766 | 0 | result = libuna_codepage_windows_874_copy_from_byte_stream( |
767 | 0 | &safe_unicode_character, |
768 | 0 | byte_stream, |
769 | 0 | byte_stream_size, |
770 | 0 | &safe_byte_stream_index, |
771 | 0 | error ); |
772 | 0 | break; |
773 | | |
774 | 0 | case LIBUNA_CODEPAGE_WINDOWS_932: |
775 | 0 | result = libuna_codepage_windows_932_copy_from_byte_stream( |
776 | 0 | &safe_unicode_character, |
777 | 0 | byte_stream, |
778 | 0 | byte_stream_size, |
779 | 0 | &safe_byte_stream_index, |
780 | 0 | error ); |
781 | 0 | break; |
782 | | |
783 | 0 | case LIBUNA_CODEPAGE_WINDOWS_936: |
784 | 0 | result = libuna_codepage_windows_936_copy_from_byte_stream( |
785 | 0 | &safe_unicode_character, |
786 | 0 | byte_stream, |
787 | 0 | byte_stream_size, |
788 | 0 | &safe_byte_stream_index, |
789 | 0 | error ); |
790 | 0 | break; |
791 | | |
792 | 0 | case LIBUNA_CODEPAGE_WINDOWS_949: |
793 | 0 | result = libuna_codepage_windows_949_copy_from_byte_stream( |
794 | 0 | &safe_unicode_character, |
795 | 0 | byte_stream, |
796 | 0 | byte_stream_size, |
797 | 0 | &safe_byte_stream_index, |
798 | 0 | error ); |
799 | 0 | break; |
800 | | |
801 | 0 | case LIBUNA_CODEPAGE_WINDOWS_950: |
802 | 0 | result = libuna_codepage_windows_950_copy_from_byte_stream( |
803 | 0 | &safe_unicode_character, |
804 | 0 | byte_stream, |
805 | 0 | byte_stream_size, |
806 | 0 | &safe_byte_stream_index, |
807 | 0 | error ); |
808 | 0 | break; |
809 | | |
810 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1250: |
811 | 0 | result = libuna_codepage_windows_1250_copy_from_byte_stream( |
812 | 0 | &safe_unicode_character, |
813 | 0 | byte_stream, |
814 | 0 | byte_stream_size, |
815 | 0 | &safe_byte_stream_index, |
816 | 0 | error ); |
817 | 0 | break; |
818 | | |
819 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1251: |
820 | 0 | result = libuna_codepage_windows_1251_copy_from_byte_stream( |
821 | 0 | &safe_unicode_character, |
822 | 0 | byte_stream, |
823 | 0 | byte_stream_size, |
824 | 0 | &safe_byte_stream_index, |
825 | 0 | error ); |
826 | 0 | break; |
827 | | |
828 | 89.6k | case LIBUNA_CODEPAGE_WINDOWS_1252: |
829 | 89.6k | result = libuna_codepage_windows_1252_copy_from_byte_stream( |
830 | 89.6k | &safe_unicode_character, |
831 | 89.6k | byte_stream, |
832 | 89.6k | byte_stream_size, |
833 | 89.6k | &safe_byte_stream_index, |
834 | 89.6k | error ); |
835 | 89.6k | break; |
836 | | |
837 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1253: |
838 | 0 | result = libuna_codepage_windows_1253_copy_from_byte_stream( |
839 | 0 | &safe_unicode_character, |
840 | 0 | byte_stream, |
841 | 0 | byte_stream_size, |
842 | 0 | &safe_byte_stream_index, |
843 | 0 | error ); |
844 | 0 | break; |
845 | | |
846 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1254: |
847 | 0 | result = libuna_codepage_windows_1254_copy_from_byte_stream( |
848 | 0 | &safe_unicode_character, |
849 | 0 | byte_stream, |
850 | 0 | byte_stream_size, |
851 | 0 | &safe_byte_stream_index, |
852 | 0 | error ); |
853 | 0 | break; |
854 | | |
855 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1255: |
856 | 0 | result = libuna_codepage_windows_1255_copy_from_byte_stream( |
857 | 0 | &safe_unicode_character, |
858 | 0 | byte_stream, |
859 | 0 | byte_stream_size, |
860 | 0 | &safe_byte_stream_index, |
861 | 0 | error ); |
862 | 0 | break; |
863 | | |
864 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1256: |
865 | 0 | result = libuna_codepage_windows_1256_copy_from_byte_stream( |
866 | 0 | &safe_unicode_character, |
867 | 0 | byte_stream, |
868 | 0 | byte_stream_size, |
869 | 0 | &safe_byte_stream_index, |
870 | 0 | error ); |
871 | 0 | break; |
872 | | |
873 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1257: |
874 | 0 | result = libuna_codepage_windows_1257_copy_from_byte_stream( |
875 | 0 | &safe_unicode_character, |
876 | 0 | byte_stream, |
877 | 0 | byte_stream_size, |
878 | 0 | &safe_byte_stream_index, |
879 | 0 | error ); |
880 | 0 | break; |
881 | | |
882 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1258: |
883 | 0 | result = libuna_codepage_windows_1258_copy_from_byte_stream( |
884 | 0 | &safe_unicode_character, |
885 | 0 | byte_stream, |
886 | 0 | byte_stream_size, |
887 | 0 | &safe_byte_stream_index, |
888 | 0 | error ); |
889 | 0 | break; |
890 | | |
891 | 0 | default: |
892 | 0 | libcerror_error_set( |
893 | 0 | error, |
894 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
895 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
896 | 0 | "%s: unsupported codepage: %d.", |
897 | 0 | function, |
898 | 0 | codepage ); |
899 | |
|
900 | 0 | return( -1 ); |
901 | 202k | } |
902 | 202k | if( result == -1 ) |
903 | 0 | { |
904 | 0 | libcerror_error_set( |
905 | 0 | error, |
906 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
907 | 0 | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
908 | 0 | "%s: unable to copy Unicode character from byte stream.", |
909 | 0 | function ); |
910 | |
|
911 | 0 | return( -1 ); |
912 | 0 | } |
913 | 202k | *unicode_character = safe_unicode_character; |
914 | 202k | *byte_stream_index = safe_byte_stream_index; |
915 | | |
916 | 202k | return( result ); |
917 | 202k | } |
918 | | |
919 | | /* Copies an Unicode character to a byte stream |
920 | | * Returns 1 if successful, 0 if the Unicode character is valid but not supported since it requires special handling or -1 on error |
921 | | */ |
922 | | int libuna_unicode_character_copy_to_byte_stream( |
923 | | libuna_unicode_character_t unicode_character, |
924 | | uint8_t *byte_stream, |
925 | | size_t byte_stream_size, |
926 | | size_t *byte_stream_index, |
927 | | int codepage, |
928 | | libcerror_error_t **error ) |
929 | 12.2k | { |
930 | 12.2k | static char *function = "libuna_unicode_character_copy_to_byte_stream"; |
931 | 12.2k | size_t safe_byte_stream_index = 0; |
932 | 12.2k | int result = 1; |
933 | | |
934 | 12.2k | if( byte_stream == NULL ) |
935 | 0 | { |
936 | 0 | libcerror_error_set( |
937 | 0 | error, |
938 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
939 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
940 | 0 | "%s: invalid byte stream.", |
941 | 0 | function ); |
942 | |
|
943 | 0 | return( -1 ); |
944 | 0 | } |
945 | 12.2k | if( byte_stream_size > (size_t) SSIZE_MAX ) |
946 | 0 | { |
947 | 0 | libcerror_error_set( |
948 | 0 | error, |
949 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
950 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
951 | 0 | "%s: invalid byte stream size value exceeds maximum.", |
952 | 0 | function ); |
953 | |
|
954 | 0 | return( -1 ); |
955 | 0 | } |
956 | 12.2k | if( byte_stream_index == NULL ) |
957 | 0 | { |
958 | 0 | libcerror_error_set( |
959 | 0 | error, |
960 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
961 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
962 | 0 | "%s: invalid byte stream index.", |
963 | 0 | function ); |
964 | |
|
965 | 0 | return( -1 ); |
966 | 0 | } |
967 | 12.2k | safe_byte_stream_index = *byte_stream_index; |
968 | | |
969 | 12.2k | if( safe_byte_stream_index >= byte_stream_size ) |
970 | 0 | { |
971 | 0 | libcerror_error_set( |
972 | 0 | error, |
973 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
974 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
975 | 0 | "%s: byte stream too small.", |
976 | 0 | function ); |
977 | |
|
978 | 0 | return( -1 ); |
979 | 0 | } |
980 | 12.2k | switch( codepage ) |
981 | 12.2k | { |
982 | 12.2k | case LIBUNA_CODEPAGE_ASCII: |
983 | 12.2k | if( unicode_character < 0x0080 ) |
984 | 12.2k | { |
985 | 12.2k | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
986 | 12.2k | } |
987 | 0 | else |
988 | 0 | { |
989 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
990 | 0 | } |
991 | 12.2k | safe_byte_stream_index += 1; |
992 | | |
993 | 12.2k | break; |
994 | | |
995 | 0 | case LIBUNA_CODEPAGE_ISO_8859_1: |
996 | 0 | if( unicode_character < 0x0100 ) |
997 | 0 | { |
998 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
999 | 0 | } |
1000 | 0 | else |
1001 | 0 | { |
1002 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1003 | 0 | } |
1004 | 0 | safe_byte_stream_index += 1; |
1005 | |
|
1006 | 0 | break; |
1007 | | |
1008 | 0 | case LIBUNA_CODEPAGE_ISO_8859_2: |
1009 | 0 | if( unicode_character < 0x00a0 ) |
1010 | 0 | { |
1011 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1012 | 0 | } |
1013 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1014 | 0 | && ( unicode_character < 0x0120 ) ) |
1015 | 0 | { |
1016 | 0 | unicode_character -= 0x00a0; |
1017 | |
|
1018 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_2_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1019 | 0 | } |
1020 | 0 | else if( ( unicode_character >= 0x0138 ) |
1021 | 0 | && ( unicode_character < 0x0180 ) ) |
1022 | 0 | { |
1023 | 0 | unicode_character -= 0x0138; |
1024 | |
|
1025 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_2_unicode_to_byte_stream_base_0x0138[ unicode_character ]; |
1026 | 0 | } |
1027 | 0 | else if( ( unicode_character >= 0x02d8 ) |
1028 | 0 | && ( unicode_character < 0x02e0 ) ) |
1029 | 0 | { |
1030 | 0 | unicode_character -= 0x02d8; |
1031 | |
|
1032 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_2_unicode_to_byte_stream_base_0x02d8[ unicode_character ]; |
1033 | 0 | } |
1034 | 0 | else if( unicode_character == 0x02c7 ) |
1035 | 0 | { |
1036 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb7; |
1037 | 0 | } |
1038 | 0 | else |
1039 | 0 | { |
1040 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1041 | 0 | } |
1042 | 0 | safe_byte_stream_index += 1; |
1043 | |
|
1044 | 0 | break; |
1045 | | |
1046 | 0 | case LIBUNA_CODEPAGE_ISO_8859_3: |
1047 | 0 | if( unicode_character < 0x00a0 ) |
1048 | 0 | { |
1049 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1050 | 0 | } |
1051 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1052 | 0 | && ( unicode_character < 0x0100 ) ) |
1053 | 0 | { |
1054 | 0 | unicode_character -= 0x00a0; |
1055 | |
|
1056 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_3_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1057 | 0 | } |
1058 | 0 | else if( ( unicode_character >= 0x0108 ) |
1059 | 0 | && ( unicode_character < 0x0110 ) ) |
1060 | 0 | { |
1061 | 0 | unicode_character -= 0x0108; |
1062 | |
|
1063 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_3_unicode_to_byte_stream_base_0x0108[ unicode_character ]; |
1064 | 0 | } |
1065 | 0 | else if( ( unicode_character >= 0x0118 ) |
1066 | 0 | && ( unicode_character < 0x0128 ) ) |
1067 | 0 | { |
1068 | 0 | unicode_character -= 0x0118; |
1069 | |
|
1070 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_3_unicode_to_byte_stream_base_0x0118[ unicode_character ]; |
1071 | 0 | } |
1072 | 0 | else if( ( unicode_character >= 0x0130 ) |
1073 | 0 | && ( unicode_character < 0x0138 ) ) |
1074 | 0 | { |
1075 | 0 | unicode_character -= 0x0130; |
1076 | |
|
1077 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_3_unicode_to_byte_stream_base_0x0130[ unicode_character ]; |
1078 | 0 | } |
1079 | 0 | else if( ( unicode_character >= 0x0158 ) |
1080 | 0 | && ( unicode_character < 0x0160 ) ) |
1081 | 0 | { |
1082 | 0 | unicode_character -= 0x0158; |
1083 | |
|
1084 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_3_unicode_to_byte_stream_base_0x0158[ unicode_character ]; |
1085 | 0 | } |
1086 | 0 | else switch( unicode_character ) |
1087 | 0 | { |
1088 | 0 | case 0x016c: |
1089 | 0 | byte_stream[ safe_byte_stream_index ] = 0xdd; |
1090 | 0 | break; |
1091 | | |
1092 | 0 | case 0x016d: |
1093 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfd; |
1094 | 0 | break; |
1095 | | |
1096 | 0 | case 0x017b: |
1097 | 0 | byte_stream[ safe_byte_stream_index ] = 0xaf; |
1098 | 0 | break; |
1099 | | |
1100 | 0 | case 0x017c: |
1101 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbf; |
1102 | 0 | break; |
1103 | | |
1104 | 0 | case 0x02d8: |
1105 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa2; |
1106 | 0 | break; |
1107 | | |
1108 | 0 | case 0x02d9: |
1109 | 0 | byte_stream[ safe_byte_stream_index ] = 0xff; |
1110 | 0 | break; |
1111 | | |
1112 | 0 | default: |
1113 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1114 | 0 | break; |
1115 | 0 | } |
1116 | 0 | safe_byte_stream_index += 1; |
1117 | |
|
1118 | 0 | break; |
1119 | | |
1120 | 0 | case LIBUNA_CODEPAGE_ISO_8859_4: |
1121 | 0 | if( unicode_character < 0x00a0 ) |
1122 | 0 | { |
1123 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1124 | 0 | } |
1125 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1126 | 0 | && ( unicode_character < 0x0158 ) ) |
1127 | 0 | { |
1128 | 0 | unicode_character -= 0x00a0; |
1129 | |
|
1130 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_4_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1131 | 0 | } |
1132 | 0 | else if( ( unicode_character >= 0x0160 ) |
1133 | 0 | && ( unicode_character < 0x0180 ) ) |
1134 | 0 | { |
1135 | 0 | unicode_character -= 0x0160; |
1136 | |
|
1137 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_4_unicode_to_byte_stream_base_0x0160[ unicode_character ]; |
1138 | 0 | } |
1139 | 0 | else switch( unicode_character ) |
1140 | 0 | { |
1141 | 0 | case 0x02c7: |
1142 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb7; |
1143 | 0 | break; |
1144 | | |
1145 | 0 | case 0x02d9: |
1146 | 0 | byte_stream[ safe_byte_stream_index ] = 0xff; |
1147 | 0 | break; |
1148 | | |
1149 | 0 | case 0x02db: |
1150 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb2; |
1151 | 0 | break; |
1152 | | |
1153 | 0 | default: |
1154 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1155 | 0 | break; |
1156 | 0 | } |
1157 | 0 | safe_byte_stream_index += 1; |
1158 | |
|
1159 | 0 | break; |
1160 | | |
1161 | 0 | case LIBUNA_CODEPAGE_ISO_8859_5: |
1162 | 0 | if( unicode_character < 0x00a1 ) |
1163 | 0 | { |
1164 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1165 | 0 | } |
1166 | 0 | else if( ( unicode_character >= 0x0400 ) |
1167 | 0 | && ( unicode_character < 0x0460 ) ) |
1168 | 0 | { |
1169 | 0 | unicode_character -= 0x0400; |
1170 | |
|
1171 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_5_unicode_to_byte_stream_base_0x0400[ unicode_character ]; |
1172 | 0 | } |
1173 | 0 | else switch( unicode_character ) |
1174 | 0 | { |
1175 | 0 | case 0x00a7: |
1176 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfd; |
1177 | 0 | break; |
1178 | | |
1179 | 0 | case 0x00ad: |
1180 | 0 | byte_stream[ safe_byte_stream_index ] = 0xad; |
1181 | 0 | break; |
1182 | | |
1183 | 0 | case 0x2116: |
1184 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf0; |
1185 | 0 | break; |
1186 | | |
1187 | 0 | default: |
1188 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1189 | 0 | break; |
1190 | 0 | } |
1191 | 0 | safe_byte_stream_index += 1; |
1192 | |
|
1193 | 0 | break; |
1194 | | |
1195 | 0 | case LIBUNA_CODEPAGE_ISO_8859_6: |
1196 | 0 | if( unicode_character < 0x00a1 ) |
1197 | 0 | { |
1198 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1199 | 0 | } |
1200 | 0 | else if( ( unicode_character >= 0x0618 ) |
1201 | 0 | && ( unicode_character < 0x658 ) ) |
1202 | 0 | { |
1203 | 0 | unicode_character -= 0x0618; |
1204 | |
|
1205 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_6_unicode_to_byte_stream_base_0x0618[ unicode_character ]; |
1206 | 0 | } |
1207 | 0 | else switch( unicode_character ) |
1208 | 0 | { |
1209 | 0 | case 0x00a4: |
1210 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa4; |
1211 | 0 | break; |
1212 | | |
1213 | 0 | case 0x00ad: |
1214 | 0 | byte_stream[ safe_byte_stream_index ] = 0xad; |
1215 | 0 | break; |
1216 | | |
1217 | 0 | case 0x060c: |
1218 | 0 | byte_stream[ safe_byte_stream_index ] = 0xac; |
1219 | 0 | break; |
1220 | | |
1221 | 0 | default: |
1222 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1223 | 0 | break; |
1224 | 0 | } |
1225 | 0 | safe_byte_stream_index += 1; |
1226 | |
|
1227 | 0 | break; |
1228 | | |
1229 | 0 | case LIBUNA_CODEPAGE_ISO_8859_7: |
1230 | 0 | if( unicode_character < 0x00a0 ) |
1231 | 0 | { |
1232 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1233 | 0 | } |
1234 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1235 | 0 | && ( unicode_character < 0x00b8 ) ) |
1236 | 0 | { |
1237 | 0 | unicode_character -= 0x00a0; |
1238 | |
|
1239 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_7_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1240 | 0 | } |
1241 | 0 | else if( ( unicode_character >= 0x0380 ) |
1242 | 0 | && ( unicode_character < 0x03d0 ) ) |
1243 | 0 | { |
1244 | 0 | unicode_character -= 0x0380; |
1245 | |
|
1246 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_7_unicode_to_byte_stream_base_0x0380[ unicode_character ]; |
1247 | 0 | } |
1248 | 0 | else switch( unicode_character ) |
1249 | 0 | { |
1250 | 0 | case 0x00bb: |
1251 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbb; |
1252 | 0 | break; |
1253 | | |
1254 | 0 | case 0x00bd: |
1255 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbd; |
1256 | 0 | break; |
1257 | | |
1258 | 0 | case 0x037a: |
1259 | 0 | byte_stream[ safe_byte_stream_index ] = 0xaa; |
1260 | 0 | break; |
1261 | | |
1262 | 0 | case 0x2015: |
1263 | 0 | byte_stream[ safe_byte_stream_index ] = 0xaf; |
1264 | 0 | break; |
1265 | | |
1266 | 0 | case 0x2018: |
1267 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa1; |
1268 | 0 | break; |
1269 | | |
1270 | 0 | case 0x2019: |
1271 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa2; |
1272 | 0 | break; |
1273 | | |
1274 | 0 | case 0x20ac: |
1275 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa4; |
1276 | 0 | break; |
1277 | | |
1278 | 0 | case 0x20af: |
1279 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa5; |
1280 | 0 | break; |
1281 | | |
1282 | 0 | default: |
1283 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1284 | 0 | break; |
1285 | 0 | } |
1286 | 0 | safe_byte_stream_index += 1; |
1287 | |
|
1288 | 0 | break; |
1289 | | |
1290 | 0 | case LIBUNA_CODEPAGE_ISO_8859_8: |
1291 | 0 | if( unicode_character < 0x00a0 ) |
1292 | 0 | { |
1293 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1294 | 0 | } |
1295 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1296 | 0 | && ( unicode_character < 0x00c0 ) ) |
1297 | 0 | { |
1298 | 0 | unicode_character -= 0x00a0; |
1299 | |
|
1300 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_8_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1301 | 0 | } |
1302 | 0 | else if( ( unicode_character >= 0x05d0 ) |
1303 | 0 | && ( unicode_character < 0x05f0 ) ) |
1304 | 0 | { |
1305 | 0 | unicode_character -= 0x05d0; |
1306 | |
|
1307 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_8_unicode_to_byte_stream_base_0x05d0[ unicode_character ]; |
1308 | 0 | } |
1309 | 0 | else switch( unicode_character ) |
1310 | 0 | { |
1311 | 0 | case 0x00d7: |
1312 | 0 | byte_stream[ safe_byte_stream_index ] = 0xaa; |
1313 | 0 | break; |
1314 | | |
1315 | 0 | case 0x00f7: |
1316 | 0 | byte_stream[ safe_byte_stream_index ] = 0xba; |
1317 | 0 | break; |
1318 | | |
1319 | 0 | case 0x200e: |
1320 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfd; |
1321 | 0 | break; |
1322 | | |
1323 | 0 | case 0x200f: |
1324 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfe; |
1325 | 0 | break; |
1326 | | |
1327 | 0 | case 0x2017: |
1328 | 0 | byte_stream[ safe_byte_stream_index ] = 0xdf; |
1329 | 0 | break; |
1330 | | |
1331 | 0 | default: |
1332 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1333 | 0 | break; |
1334 | 0 | } |
1335 | 0 | safe_byte_stream_index += 1; |
1336 | |
|
1337 | 0 | break; |
1338 | | |
1339 | 0 | case LIBUNA_CODEPAGE_ISO_8859_9: |
1340 | 0 | if( unicode_character < 0x00d0 ) |
1341 | 0 | { |
1342 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1343 | 0 | } |
1344 | 0 | else if( ( unicode_character >= 0x00d0 ) |
1345 | 0 | && ( unicode_character < 0x0100 ) ) |
1346 | 0 | { |
1347 | 0 | unicode_character -= 0x00d0; |
1348 | |
|
1349 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_9_unicode_to_byte_stream_base_0x00d0[ unicode_character ]; |
1350 | 0 | } |
1351 | 0 | else switch( unicode_character ) |
1352 | 0 | { |
1353 | 0 | case 0x011e: |
1354 | 0 | byte_stream[ safe_byte_stream_index ] = 0xd0; |
1355 | 0 | break; |
1356 | | |
1357 | 0 | case 0x011f: |
1358 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf0; |
1359 | 0 | break; |
1360 | | |
1361 | 0 | case 0x0130: |
1362 | 0 | byte_stream[ safe_byte_stream_index ] = 0xdd; |
1363 | 0 | break; |
1364 | | |
1365 | 0 | case 0x0131: |
1366 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfd; |
1367 | 0 | break; |
1368 | | |
1369 | 0 | case 0x015e: |
1370 | 0 | byte_stream[ safe_byte_stream_index ] = 0xde; |
1371 | 0 | break; |
1372 | | |
1373 | 0 | case 0x015f: |
1374 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfe; |
1375 | 0 | break; |
1376 | | |
1377 | 0 | default: |
1378 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1379 | 0 | break; |
1380 | 0 | } |
1381 | 0 | safe_byte_stream_index += 1; |
1382 | |
|
1383 | 0 | break; |
1384 | | |
1385 | 0 | case LIBUNA_CODEPAGE_ISO_8859_10: |
1386 | 0 | if( unicode_character < 0x00a1 ) |
1387 | 0 | { |
1388 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1389 | 0 | } |
1390 | 0 | else if( ( unicode_character >= 0x00c0 ) |
1391 | 0 | && ( unicode_character < 0x0150 ) ) |
1392 | 0 | { |
1393 | 0 | unicode_character -= 0x00c0; |
1394 | |
|
1395 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_10_unicode_to_byte_stream_base_0x00c0[ unicode_character ]; |
1396 | 0 | } |
1397 | 0 | else if( ( unicode_character >= 0x0160 ) |
1398 | 0 | && ( unicode_character < 0x0170 ) ) |
1399 | 0 | { |
1400 | 0 | unicode_character -= 0x0160; |
1401 | |
|
1402 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_10_unicode_to_byte_stream_base_0x0160[ unicode_character ]; |
1403 | 0 | } |
1404 | 0 | else switch( unicode_character ) |
1405 | 0 | { |
1406 | 0 | case 0x00a7: |
1407 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa7; |
1408 | 0 | break; |
1409 | | |
1410 | 0 | case 0x00ad: |
1411 | 0 | byte_stream[ safe_byte_stream_index ] = 0xad; |
1412 | 0 | break; |
1413 | | |
1414 | 0 | case 0x00b0: |
1415 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb0; |
1416 | 0 | break; |
1417 | | |
1418 | 0 | case 0x00b7: |
1419 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb7; |
1420 | 0 | break; |
1421 | | |
1422 | 0 | case 0x0172: |
1423 | 0 | byte_stream[ safe_byte_stream_index ] = 0xd9; |
1424 | 0 | break; |
1425 | | |
1426 | 0 | case 0x0173: |
1427 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf9; |
1428 | 0 | break; |
1429 | | |
1430 | 0 | case 0x017d: |
1431 | 0 | byte_stream[ safe_byte_stream_index ] = 0xac; |
1432 | 0 | break; |
1433 | | |
1434 | 0 | case 0x017e: |
1435 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbc; |
1436 | 0 | break; |
1437 | | |
1438 | 0 | case 0x2015: |
1439 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbd; |
1440 | 0 | break; |
1441 | | |
1442 | 0 | default: |
1443 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1444 | 0 | break; |
1445 | 0 | } |
1446 | 0 | safe_byte_stream_index += 1; |
1447 | |
|
1448 | 0 | break; |
1449 | | |
1450 | 0 | case LIBUNA_CODEPAGE_ISO_8859_11: |
1451 | 0 | if( unicode_character < 0x00a1 ) |
1452 | 0 | { |
1453 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1454 | 0 | } |
1455 | 0 | else if( ( unicode_character >= 0x0e01 ) |
1456 | 0 | && ( unicode_character < 0x0e3b ) ) |
1457 | 0 | { |
1458 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) ( unicode_character - 0x0d60 ); |
1459 | 0 | } |
1460 | 0 | else if( ( unicode_character >= 0x0e3f ) |
1461 | 0 | && ( unicode_character < 0x0e5c ) ) |
1462 | 0 | { |
1463 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) ( unicode_character - 0x0d60 ); |
1464 | 0 | } |
1465 | 0 | else |
1466 | 0 | { |
1467 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1468 | 0 | } |
1469 | 0 | safe_byte_stream_index += 1; |
1470 | |
|
1471 | 0 | break; |
1472 | | |
1473 | 0 | case LIBUNA_CODEPAGE_ISO_8859_13: |
1474 | 0 | if( unicode_character < 0x00a0 ) |
1475 | 0 | { |
1476 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1477 | 0 | } |
1478 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1479 | 0 | && ( unicode_character < 0x0180 ) ) |
1480 | 0 | { |
1481 | 0 | unicode_character -= 0x00a0; |
1482 | |
|
1483 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_13_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1484 | 0 | } |
1485 | 0 | else if( ( unicode_character >= 0x2018 ) |
1486 | 0 | && ( unicode_character < 0x2020 ) ) |
1487 | 0 | { |
1488 | 0 | unicode_character -= 0x2018; |
1489 | |
|
1490 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_13_unicode_to_byte_stream_base_0x2018[ unicode_character ]; |
1491 | 0 | } |
1492 | 0 | else |
1493 | 0 | { |
1494 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1495 | 0 | } |
1496 | 0 | safe_byte_stream_index += 1; |
1497 | |
|
1498 | 0 | break; |
1499 | | |
1500 | 0 | case LIBUNA_CODEPAGE_ISO_8859_14: |
1501 | 0 | if( unicode_character < 0x00a1 ) |
1502 | 0 | { |
1503 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1504 | 0 | } |
1505 | 0 | else if( ( unicode_character >= 0x00c0 ) |
1506 | 0 | && ( unicode_character < 0x0100 ) ) |
1507 | 0 | { |
1508 | 0 | unicode_character -= 0x00c0; |
1509 | |
|
1510 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_14_unicode_to_byte_stream_base_0x00c0[ unicode_character ]; |
1511 | 0 | } |
1512 | 0 | else if( ( unicode_character >= 0x0170 ) |
1513 | 0 | && ( unicode_character < 0x0178 ) ) |
1514 | 0 | { |
1515 | 0 | unicode_character -= 0x0170; |
1516 | |
|
1517 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_14_unicode_to_byte_stream_base_0x0170[ unicode_character ]; |
1518 | 0 | } |
1519 | 0 | else if( ( unicode_character >= 0x1e80 ) |
1520 | 0 | && ( unicode_character < 0x1e88 ) ) |
1521 | 0 | { |
1522 | 0 | unicode_character -= 0x1e80; |
1523 | |
|
1524 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_14_unicode_to_byte_stream_base_0x1e80[ unicode_character ]; |
1525 | 0 | } |
1526 | 0 | else switch( unicode_character ) |
1527 | 0 | { |
1528 | 0 | case 0x00a3: |
1529 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa3; |
1530 | 0 | break; |
1531 | | |
1532 | 0 | case 0x00a7: |
1533 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa7; |
1534 | 0 | break; |
1535 | | |
1536 | 0 | case 0x00a9: |
1537 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa9; |
1538 | 0 | break; |
1539 | | |
1540 | 0 | case 0x00ad: |
1541 | 0 | byte_stream[ safe_byte_stream_index ] = 0xad; |
1542 | 0 | break; |
1543 | | |
1544 | 0 | case 0x00ae: |
1545 | 0 | byte_stream[ safe_byte_stream_index ] = 0xae; |
1546 | 0 | break; |
1547 | | |
1548 | 0 | case 0x00b6: |
1549 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb6; |
1550 | 0 | break; |
1551 | | |
1552 | 0 | case 0x010a: |
1553 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa4; |
1554 | 0 | break; |
1555 | | |
1556 | 0 | case 0x010b: |
1557 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa5; |
1558 | 0 | break; |
1559 | | |
1560 | 0 | case 0x0120: |
1561 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb2; |
1562 | 0 | break; |
1563 | | |
1564 | 0 | case 0x0121: |
1565 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb3; |
1566 | 0 | break; |
1567 | | |
1568 | 0 | case 0x0178: |
1569 | 0 | byte_stream[ safe_byte_stream_index ] = 0xaf; |
1570 | 0 | break; |
1571 | | |
1572 | 0 | case 0x1e02: |
1573 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa1; |
1574 | 0 | break; |
1575 | | |
1576 | 0 | case 0x1e03: |
1577 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa2; |
1578 | 0 | break; |
1579 | | |
1580 | 0 | case 0x1e0a: |
1581 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa6; |
1582 | 0 | break; |
1583 | | |
1584 | 0 | case 0x1e0b: |
1585 | 0 | byte_stream[ safe_byte_stream_index ] = 0xab; |
1586 | 0 | break; |
1587 | | |
1588 | 0 | case 0x1e1e: |
1589 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb0; |
1590 | 0 | break; |
1591 | | |
1592 | 0 | case 0x1e1f: |
1593 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb1; |
1594 | 0 | break; |
1595 | | |
1596 | 0 | case 0x1e40: |
1597 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb4; |
1598 | 0 | break; |
1599 | | |
1600 | 0 | case 0x1e41: |
1601 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb5; |
1602 | 0 | break; |
1603 | | |
1604 | 0 | case 0x1e56: |
1605 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb7; |
1606 | 0 | break; |
1607 | | |
1608 | 0 | case 0x1e57: |
1609 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb9; |
1610 | 0 | break; |
1611 | | |
1612 | 0 | case 0x1e60: |
1613 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbb; |
1614 | 0 | break; |
1615 | | |
1616 | 0 | case 0x1e61: |
1617 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbf; |
1618 | 0 | break; |
1619 | | |
1620 | 0 | case 0x1e6a: |
1621 | 0 | byte_stream[ safe_byte_stream_index ] = 0xd7; |
1622 | 0 | break; |
1623 | | |
1624 | 0 | case 0x1e6b: |
1625 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf7; |
1626 | 0 | break; |
1627 | | |
1628 | 0 | case 0x1ef2: |
1629 | 0 | byte_stream[ safe_byte_stream_index ] = 0xac; |
1630 | 0 | break; |
1631 | | |
1632 | 0 | case 0x1ef3: |
1633 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbc; |
1634 | 0 | break; |
1635 | | |
1636 | 0 | default: |
1637 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1638 | 0 | break; |
1639 | 0 | } |
1640 | 0 | safe_byte_stream_index += 1; |
1641 | |
|
1642 | 0 | break; |
1643 | | |
1644 | 0 | case LIBUNA_CODEPAGE_ISO_8859_15: |
1645 | 0 | if( unicode_character < 0x00a0 ) |
1646 | 0 | { |
1647 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1648 | 0 | } |
1649 | 0 | else if( ( unicode_character >= 0x00a0 ) |
1650 | 0 | && ( unicode_character < 0x00c0 ) ) |
1651 | 0 | { |
1652 | 0 | unicode_character -= 0x00a0; |
1653 | |
|
1654 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_15_unicode_to_byte_stream_base_0x00a0[ unicode_character ]; |
1655 | 0 | } |
1656 | 0 | else if( unicode_character < 0x0100 ) |
1657 | 0 | { |
1658 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1659 | 0 | } |
1660 | 0 | else switch( unicode_character ) |
1661 | 0 | { |
1662 | 0 | case 0x0152: |
1663 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbc; |
1664 | 0 | break; |
1665 | | |
1666 | 0 | case 0x0153: |
1667 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbd; |
1668 | 0 | break; |
1669 | | |
1670 | 0 | case 0x0160: |
1671 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa6; |
1672 | 0 | break; |
1673 | | |
1674 | 0 | case 0x0161: |
1675 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa8; |
1676 | 0 | break; |
1677 | | |
1678 | 0 | case 0x0178: |
1679 | 0 | byte_stream[ safe_byte_stream_index ] = 0xbe; |
1680 | 0 | break; |
1681 | | |
1682 | 0 | case 0x017d: |
1683 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb4; |
1684 | 0 | break; |
1685 | | |
1686 | 0 | case 0x017e: |
1687 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb8; |
1688 | 0 | break; |
1689 | | |
1690 | 0 | case 0x20ac: |
1691 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa4; |
1692 | 0 | break; |
1693 | | |
1694 | 0 | default: |
1695 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1696 | 0 | break; |
1697 | 0 | } |
1698 | 0 | safe_byte_stream_index += 1; |
1699 | |
|
1700 | 0 | break; |
1701 | | |
1702 | 0 | case LIBUNA_CODEPAGE_ISO_8859_16: |
1703 | 0 | if( unicode_character < 0x00a1 ) |
1704 | 0 | { |
1705 | 0 | byte_stream[ safe_byte_stream_index ] = (uint8_t) unicode_character; |
1706 | 0 | } |
1707 | 0 | else if( ( unicode_character >= 0x00a8 ) |
1708 | 0 | && ( unicode_character < 0x0108 ) ) |
1709 | 0 | { |
1710 | 0 | unicode_character -= 0x00a8; |
1711 | |
|
1712 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_16_unicode_to_byte_stream_base_0x00a8[ unicode_character ]; |
1713 | 0 | } |
1714 | 0 | else if( ( unicode_character >= 0x0140 ) |
1715 | 0 | && ( unicode_character < 0x0148 ) ) |
1716 | 0 | { |
1717 | 0 | unicode_character -= 0x0140; |
1718 | |
|
1719 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_16_unicode_to_byte_stream_base_0x0140[ unicode_character ]; |
1720 | 0 | } |
1721 | 0 | else if( ( unicode_character >= 0x0150 ) |
1722 | 0 | && ( unicode_character < 0x0158 ) ) |
1723 | 0 | { |
1724 | 0 | unicode_character -= 0x0150; |
1725 | |
|
1726 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_16_unicode_to_byte_stream_base_0x0150[ unicode_character ]; |
1727 | 0 | } |
1728 | 0 | else if( ( unicode_character >= 0x0178 ) |
1729 | 0 | && ( unicode_character < 0x0180 ) ) |
1730 | 0 | { |
1731 | 0 | unicode_character -= 0x0178; |
1732 | |
|
1733 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_16_unicode_to_byte_stream_base_0x0178[ unicode_character ]; |
1734 | 0 | } |
1735 | 0 | else if( ( unicode_character >= 0x0218 ) |
1736 | 0 | && ( unicode_character < 0x0220 ) ) |
1737 | 0 | { |
1738 | 0 | unicode_character -= 0x0218; |
1739 | |
|
1740 | 0 | byte_stream[ safe_byte_stream_index ] = libuna_codepage_iso_8859_16_unicode_to_byte_stream_base_0x0218[ unicode_character ]; |
1741 | 0 | } |
1742 | 0 | else switch( unicode_character ) |
1743 | 0 | { |
1744 | 0 | case 0x00a7: |
1745 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa7; |
1746 | 0 | break; |
1747 | | |
1748 | 0 | case 0x010c: |
1749 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb2; |
1750 | 0 | break; |
1751 | | |
1752 | 0 | case 0x010d: |
1753 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb9; |
1754 | 0 | break; |
1755 | | |
1756 | 0 | case 0x0110: |
1757 | 0 | byte_stream[ safe_byte_stream_index ] = 0xd0; |
1758 | 0 | break; |
1759 | | |
1760 | 0 | case 0x0111: |
1761 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf0; |
1762 | 0 | break; |
1763 | | |
1764 | 0 | case 0x0118: |
1765 | 0 | byte_stream[ safe_byte_stream_index ] = 0xdd; |
1766 | 0 | break; |
1767 | | |
1768 | 0 | case 0x0119: |
1769 | 0 | byte_stream[ safe_byte_stream_index ] = 0xfd; |
1770 | 0 | break; |
1771 | | |
1772 | 0 | case 0x015a: |
1773 | 0 | byte_stream[ safe_byte_stream_index ] = 0xd7; |
1774 | 0 | break; |
1775 | | |
1776 | 0 | case 0x015b: |
1777 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf7; |
1778 | 0 | break; |
1779 | | |
1780 | 0 | case 0x0160: |
1781 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa6; |
1782 | 0 | break; |
1783 | | |
1784 | 0 | case 0x0161: |
1785 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa8; |
1786 | 0 | break; |
1787 | | |
1788 | 0 | case 0x0170: |
1789 | 0 | byte_stream[ safe_byte_stream_index ] = 0xd8; |
1790 | 0 | break; |
1791 | | |
1792 | 0 | case 0x0171: |
1793 | 0 | byte_stream[ safe_byte_stream_index ] = 0xf8; |
1794 | 0 | break; |
1795 | | |
1796 | 0 | case 0x201d: |
1797 | 0 | byte_stream[ safe_byte_stream_index ] = 0xb5; |
1798 | 0 | break; |
1799 | | |
1800 | 0 | case 0x201e: |
1801 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa5; |
1802 | 0 | break; |
1803 | | |
1804 | 0 | case 0x20ac: |
1805 | 0 | byte_stream[ safe_byte_stream_index ] = 0xa4; |
1806 | 0 | break; |
1807 | | |
1808 | 0 | default: |
1809 | 0 | byte_stream[ safe_byte_stream_index ] = 0x1a; |
1810 | 0 | break; |
1811 | 0 | } |
1812 | 0 | safe_byte_stream_index += 1; |
1813 | |
|
1814 | 0 | break; |
1815 | | |
1816 | 0 | case LIBUNA_CODEPAGE_KOI8_R: |
1817 | 0 | result = libuna_codepage_koi8_r_copy_to_byte_stream( |
1818 | 0 | unicode_character, |
1819 | 0 | byte_stream, |
1820 | 0 | byte_stream_size, |
1821 | 0 | &safe_byte_stream_index, |
1822 | 0 | error ); |
1823 | 0 | break; |
1824 | | |
1825 | 0 | case LIBUNA_CODEPAGE_KOI8_U: |
1826 | 0 | result = libuna_codepage_koi8_u_copy_to_byte_stream( |
1827 | 0 | unicode_character, |
1828 | 0 | byte_stream, |
1829 | 0 | byte_stream_size, |
1830 | 0 | &safe_byte_stream_index, |
1831 | 0 | error ); |
1832 | 0 | break; |
1833 | | |
1834 | 0 | case LIBUNA_CODEPAGE_MAC_ARABIC: |
1835 | 0 | result = libuna_codepage_mac_arabic_copy_to_byte_stream( |
1836 | 0 | unicode_character, |
1837 | 0 | byte_stream, |
1838 | 0 | byte_stream_size, |
1839 | 0 | &safe_byte_stream_index, |
1840 | 0 | error ); |
1841 | 0 | break; |
1842 | | |
1843 | 0 | case LIBUNA_CODEPAGE_MAC_CELTIC: |
1844 | 0 | result = libuna_codepage_mac_celtic_copy_to_byte_stream( |
1845 | 0 | unicode_character, |
1846 | 0 | byte_stream, |
1847 | 0 | byte_stream_size, |
1848 | 0 | &safe_byte_stream_index, |
1849 | 0 | error ); |
1850 | 0 | break; |
1851 | | |
1852 | 0 | case LIBUNA_CODEPAGE_MAC_CENTRALEURROMAN: |
1853 | 0 | result = libuna_codepage_mac_centraleurroman_copy_to_byte_stream( |
1854 | 0 | unicode_character, |
1855 | 0 | byte_stream, |
1856 | 0 | byte_stream_size, |
1857 | 0 | &safe_byte_stream_index, |
1858 | 0 | error ); |
1859 | 0 | break; |
1860 | | |
1861 | 0 | case LIBUNA_CODEPAGE_MAC_CROATIAN: |
1862 | 0 | result = libuna_codepage_mac_croatian_copy_to_byte_stream( |
1863 | 0 | unicode_character, |
1864 | 0 | byte_stream, |
1865 | 0 | byte_stream_size, |
1866 | 0 | &safe_byte_stream_index, |
1867 | 0 | error ); |
1868 | 0 | break; |
1869 | | |
1870 | 0 | case LIBUNA_CODEPAGE_MAC_CYRILLIC: |
1871 | 0 | result = libuna_codepage_mac_cyrillic_copy_to_byte_stream( |
1872 | 0 | unicode_character, |
1873 | 0 | byte_stream, |
1874 | 0 | byte_stream_size, |
1875 | 0 | &safe_byte_stream_index, |
1876 | 0 | error ); |
1877 | 0 | break; |
1878 | | |
1879 | 0 | case LIBUNA_CODEPAGE_MAC_DINGBATS: |
1880 | 0 | result = libuna_codepage_mac_dingbats_copy_to_byte_stream( |
1881 | 0 | unicode_character, |
1882 | 0 | byte_stream, |
1883 | 0 | byte_stream_size, |
1884 | 0 | &safe_byte_stream_index, |
1885 | 0 | error ); |
1886 | 0 | break; |
1887 | | |
1888 | 0 | case LIBUNA_CODEPAGE_MAC_FARSI: |
1889 | 0 | result = libuna_codepage_mac_farsi_copy_to_byte_stream( |
1890 | 0 | unicode_character, |
1891 | 0 | byte_stream, |
1892 | 0 | byte_stream_size, |
1893 | 0 | &safe_byte_stream_index, |
1894 | 0 | error ); |
1895 | 0 | break; |
1896 | | |
1897 | 0 | case LIBUNA_CODEPAGE_MAC_GAELIC: |
1898 | 0 | result = libuna_codepage_mac_gaelic_copy_to_byte_stream( |
1899 | 0 | unicode_character, |
1900 | 0 | byte_stream, |
1901 | 0 | byte_stream_size, |
1902 | 0 | &safe_byte_stream_index, |
1903 | 0 | error ); |
1904 | 0 | break; |
1905 | | |
1906 | 0 | case LIBUNA_CODEPAGE_MAC_GREEK: |
1907 | 0 | result = libuna_codepage_mac_greek_copy_to_byte_stream( |
1908 | 0 | unicode_character, |
1909 | 0 | byte_stream, |
1910 | 0 | byte_stream_size, |
1911 | 0 | &safe_byte_stream_index, |
1912 | 0 | error ); |
1913 | 0 | break; |
1914 | | |
1915 | 0 | case LIBUNA_CODEPAGE_MAC_ICELANDIC: |
1916 | 0 | result = libuna_codepage_mac_icelandic_copy_to_byte_stream( |
1917 | 0 | unicode_character, |
1918 | 0 | byte_stream, |
1919 | 0 | byte_stream_size, |
1920 | 0 | &safe_byte_stream_index, |
1921 | 0 | error ); |
1922 | 0 | break; |
1923 | | |
1924 | 0 | case LIBUNA_CODEPAGE_MAC_INUIT: |
1925 | 0 | result = libuna_codepage_mac_inuit_copy_to_byte_stream( |
1926 | 0 | unicode_character, |
1927 | 0 | byte_stream, |
1928 | 0 | byte_stream_size, |
1929 | 0 | &safe_byte_stream_index, |
1930 | 0 | error ); |
1931 | 0 | break; |
1932 | | |
1933 | 0 | case LIBUNA_CODEPAGE_MAC_ROMAN: |
1934 | 0 | result = libuna_codepage_mac_roman_copy_to_byte_stream( |
1935 | 0 | unicode_character, |
1936 | 0 | byte_stream, |
1937 | 0 | byte_stream_size, |
1938 | 0 | &safe_byte_stream_index, |
1939 | 0 | error ); |
1940 | 0 | break; |
1941 | | |
1942 | 0 | case LIBUNA_CODEPAGE_MAC_ROMANIAN: |
1943 | 0 | result = libuna_codepage_mac_romanian_copy_to_byte_stream( |
1944 | 0 | unicode_character, |
1945 | 0 | byte_stream, |
1946 | 0 | byte_stream_size, |
1947 | 0 | &safe_byte_stream_index, |
1948 | 0 | error ); |
1949 | 0 | break; |
1950 | | |
1951 | 0 | case LIBUNA_CODEPAGE_MAC_RUSSIAN: |
1952 | 0 | result = libuna_codepage_mac_russian_copy_to_byte_stream( |
1953 | 0 | unicode_character, |
1954 | 0 | byte_stream, |
1955 | 0 | byte_stream_size, |
1956 | 0 | &safe_byte_stream_index, |
1957 | 0 | error ); |
1958 | 0 | break; |
1959 | | |
1960 | 0 | case LIBUNA_CODEPAGE_MAC_SYMBOL: |
1961 | 0 | result = libuna_codepage_mac_symbol_copy_to_byte_stream( |
1962 | 0 | unicode_character, |
1963 | 0 | byte_stream, |
1964 | 0 | byte_stream_size, |
1965 | 0 | &safe_byte_stream_index, |
1966 | 0 | error ); |
1967 | 0 | break; |
1968 | | |
1969 | 0 | case LIBUNA_CODEPAGE_MAC_THAI: |
1970 | 0 | result = libuna_codepage_mac_thai_copy_to_byte_stream( |
1971 | 0 | unicode_character, |
1972 | 0 | byte_stream, |
1973 | 0 | byte_stream_size, |
1974 | 0 | &safe_byte_stream_index, |
1975 | 0 | error ); |
1976 | 0 | break; |
1977 | | |
1978 | 0 | case LIBUNA_CODEPAGE_MAC_TURKISH: |
1979 | 0 | result = libuna_codepage_mac_turkish_copy_to_byte_stream( |
1980 | 0 | unicode_character, |
1981 | 0 | byte_stream, |
1982 | 0 | byte_stream_size, |
1983 | 0 | &safe_byte_stream_index, |
1984 | 0 | error ); |
1985 | 0 | break; |
1986 | | |
1987 | 0 | case LIBUNA_CODEPAGE_MAC_UKRAINIAN: |
1988 | 0 | result = libuna_codepage_mac_ukrainian_copy_to_byte_stream( |
1989 | 0 | unicode_character, |
1990 | 0 | byte_stream, |
1991 | 0 | byte_stream_size, |
1992 | 0 | &safe_byte_stream_index, |
1993 | 0 | error ); |
1994 | 0 | break; |
1995 | | |
1996 | 0 | case LIBUNA_CODEPAGE_WINDOWS_874: |
1997 | 0 | result = libuna_codepage_windows_874_copy_to_byte_stream( |
1998 | 0 | unicode_character, |
1999 | 0 | byte_stream, |
2000 | 0 | byte_stream_size, |
2001 | 0 | &safe_byte_stream_index, |
2002 | 0 | error ); |
2003 | 0 | break; |
2004 | | |
2005 | 0 | case LIBUNA_CODEPAGE_WINDOWS_932: |
2006 | 0 | result = libuna_codepage_windows_932_copy_to_byte_stream( |
2007 | 0 | unicode_character, |
2008 | 0 | byte_stream, |
2009 | 0 | byte_stream_size, |
2010 | 0 | &safe_byte_stream_index, |
2011 | 0 | error ); |
2012 | 0 | break; |
2013 | | |
2014 | 0 | case LIBUNA_CODEPAGE_WINDOWS_936: |
2015 | 0 | result = libuna_codepage_windows_936_copy_to_byte_stream( |
2016 | 0 | unicode_character, |
2017 | 0 | byte_stream, |
2018 | 0 | byte_stream_size, |
2019 | 0 | &safe_byte_stream_index, |
2020 | 0 | error ); |
2021 | 0 | break; |
2022 | | |
2023 | 0 | case LIBUNA_CODEPAGE_WINDOWS_949: |
2024 | 0 | result = libuna_codepage_windows_949_copy_to_byte_stream( |
2025 | 0 | unicode_character, |
2026 | 0 | byte_stream, |
2027 | 0 | byte_stream_size, |
2028 | 0 | &safe_byte_stream_index, |
2029 | 0 | error ); |
2030 | 0 | break; |
2031 | | |
2032 | 0 | case LIBUNA_CODEPAGE_WINDOWS_950: |
2033 | 0 | result = libuna_codepage_windows_950_copy_to_byte_stream( |
2034 | 0 | unicode_character, |
2035 | 0 | byte_stream, |
2036 | 0 | byte_stream_size, |
2037 | 0 | &safe_byte_stream_index, |
2038 | 0 | error ); |
2039 | 0 | break; |
2040 | | |
2041 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1250: |
2042 | 0 | result = libuna_codepage_windows_1250_copy_to_byte_stream( |
2043 | 0 | unicode_character, |
2044 | 0 | byte_stream, |
2045 | 0 | byte_stream_size, |
2046 | 0 | &safe_byte_stream_index, |
2047 | 0 | error ); |
2048 | 0 | break; |
2049 | | |
2050 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1251: |
2051 | 0 | result = libuna_codepage_windows_1251_copy_to_byte_stream( |
2052 | 0 | unicode_character, |
2053 | 0 | byte_stream, |
2054 | 0 | byte_stream_size, |
2055 | 0 | &safe_byte_stream_index, |
2056 | 0 | error ); |
2057 | 0 | break; |
2058 | | |
2059 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1252: |
2060 | 0 | result = libuna_codepage_windows_1252_copy_to_byte_stream( |
2061 | 0 | unicode_character, |
2062 | 0 | byte_stream, |
2063 | 0 | byte_stream_size, |
2064 | 0 | &safe_byte_stream_index, |
2065 | 0 | error ); |
2066 | 0 | break; |
2067 | | |
2068 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1253: |
2069 | 0 | result = libuna_codepage_windows_1253_copy_to_byte_stream( |
2070 | 0 | unicode_character, |
2071 | 0 | byte_stream, |
2072 | 0 | byte_stream_size, |
2073 | 0 | &safe_byte_stream_index, |
2074 | 0 | error ); |
2075 | 0 | break; |
2076 | | |
2077 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1254: |
2078 | 0 | result = libuna_codepage_windows_1254_copy_to_byte_stream( |
2079 | 0 | unicode_character, |
2080 | 0 | byte_stream, |
2081 | 0 | byte_stream_size, |
2082 | 0 | &safe_byte_stream_index, |
2083 | 0 | error ); |
2084 | 0 | break; |
2085 | | |
2086 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1255: |
2087 | 0 | result = libuna_codepage_windows_1255_copy_to_byte_stream( |
2088 | 0 | unicode_character, |
2089 | 0 | byte_stream, |
2090 | 0 | byte_stream_size, |
2091 | 0 | &safe_byte_stream_index, |
2092 | 0 | error ); |
2093 | 0 | break; |
2094 | | |
2095 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1256: |
2096 | 0 | result = libuna_codepage_windows_1256_copy_to_byte_stream( |
2097 | 0 | unicode_character, |
2098 | 0 | byte_stream, |
2099 | 0 | byte_stream_size, |
2100 | 0 | &safe_byte_stream_index, |
2101 | 0 | error ); |
2102 | 0 | break; |
2103 | | |
2104 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1257: |
2105 | 0 | result = libuna_codepage_windows_1257_copy_to_byte_stream( |
2106 | 0 | unicode_character, |
2107 | 0 | byte_stream, |
2108 | 0 | byte_stream_size, |
2109 | 0 | &safe_byte_stream_index, |
2110 | 0 | error ); |
2111 | 0 | break; |
2112 | | |
2113 | 0 | case LIBUNA_CODEPAGE_WINDOWS_1258: |
2114 | 0 | result = libuna_codepage_windows_1258_copy_to_byte_stream( |
2115 | 0 | unicode_character, |
2116 | 0 | byte_stream, |
2117 | 0 | byte_stream_size, |
2118 | 0 | &safe_byte_stream_index, |
2119 | 0 | error ); |
2120 | 0 | break; |
2121 | | |
2122 | 0 | default: |
2123 | 0 | libcerror_error_set( |
2124 | 0 | error, |
2125 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2126 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
2127 | 0 | "%s: unsupported codepage: %d.", |
2128 | 0 | function, |
2129 | 0 | codepage ); |
2130 | |
|
2131 | 0 | return( -1 ); |
2132 | 12.2k | } |
2133 | 12.2k | if( result == -1 ) |
2134 | 0 | { |
2135 | 0 | libcerror_error_set( |
2136 | 0 | error, |
2137 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2138 | 0 | LIBCERROR_RUNTIME_ERROR_COPY_FAILED, |
2139 | 0 | "%s: unable to copy Unicode character to byte stream.", |
2140 | 0 | function ); |
2141 | |
|
2142 | 0 | return( -1 ); |
2143 | 0 | } |
2144 | 12.2k | *byte_stream_index = safe_byte_stream_index; |
2145 | | |
2146 | 12.2k | return( result ); |
2147 | 12.2k | } |
2148 | | |
2149 | | /* Determines the size of an UCS-2 character from an Unicode character |
2150 | | * Adds the size to the UCS-2 character size value |
2151 | | * Returns 1 if successful or -1 on error |
2152 | | */ |
2153 | | int libuna_unicode_character_size_to_ucs2( |
2154 | | libuna_unicode_character_t unicode_character, |
2155 | | size_t *ucs2_character_size, |
2156 | | libcerror_error_t **error ) |
2157 | 1.63k | { |
2158 | 1.63k | static char *function = "libuna_unicode_character_size_to_ucs2"; |
2159 | | |
2160 | 1.63k | if( ucs2_character_size == NULL ) |
2161 | 0 | { |
2162 | 0 | libcerror_error_set( |
2163 | 0 | error, |
2164 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2165 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2166 | 0 | "%s: invalid UCS-2 character size.", |
2167 | 0 | function ); |
2168 | |
|
2169 | 0 | return( -1 ); |
2170 | 0 | } |
2171 | | /* Determine if the Unicode character is valid |
2172 | | * UCS-2 with surrogate pairs supports upto 0x10ffff characters |
2173 | | */ |
2174 | 1.63k | if( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) |
2175 | 0 | { |
2176 | 0 | libcerror_error_set( |
2177 | 0 | error, |
2178 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2179 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2180 | 0 | "%s: unsupported Unicode character.", |
2181 | 0 | function ); |
2182 | |
|
2183 | 0 | return( -1 ); |
2184 | 0 | } |
2185 | 1.63k | if( unicode_character > LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
2186 | 8 | { |
2187 | 8 | *ucs2_character_size += 2; |
2188 | 8 | } |
2189 | 1.62k | else |
2190 | 1.62k | { |
2191 | 1.62k | *ucs2_character_size += 1; |
2192 | 1.62k | } |
2193 | 1.63k | return( 1 ); |
2194 | 1.63k | } |
2195 | | |
2196 | | /* Copies an Unicode character from an UCS-2 string |
2197 | | * Returns 1 if successful or -1 on error |
2198 | | */ |
2199 | | int libuna_unicode_character_copy_from_ucs2( |
2200 | | libuna_unicode_character_t *unicode_character, |
2201 | | const libuna_utf16_character_t *ucs2_string, |
2202 | | size_t ucs2_string_size, |
2203 | | size_t *ucs2_string_index, |
2204 | | libcerror_error_t **error ) |
2205 | 0 | { |
2206 | 0 | static char *function = "libuna_unicode_character_copy_from_ucs2"; |
2207 | 0 | libuna_utf16_character_t ucs2_surrogate = 0; |
2208 | 0 | libuna_unicode_character_t safe_unicode_character = 0; |
2209 | 0 | size_t safe_ucs2_string_index = 0; |
2210 | |
|
2211 | 0 | if( unicode_character == NULL ) |
2212 | 0 | { |
2213 | 0 | libcerror_error_set( |
2214 | 0 | error, |
2215 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2216 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2217 | 0 | "%s: invalid Unicode character.", |
2218 | 0 | function ); |
2219 | |
|
2220 | 0 | return( -1 ); |
2221 | 0 | } |
2222 | 0 | if( ucs2_string == NULL ) |
2223 | 0 | { |
2224 | 0 | libcerror_error_set( |
2225 | 0 | error, |
2226 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2227 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2228 | 0 | "%s: invalid UCS-2 string.", |
2229 | 0 | function ); |
2230 | |
|
2231 | 0 | return( -1 ); |
2232 | 0 | } |
2233 | 0 | if( ucs2_string_size > (size_t) SSIZE_MAX ) |
2234 | 0 | { |
2235 | 0 | libcerror_error_set( |
2236 | 0 | error, |
2237 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2238 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2239 | 0 | "%s: invalid UCS-2 string size value exceeds maximum.", |
2240 | 0 | function ); |
2241 | |
|
2242 | 0 | return( -1 ); |
2243 | 0 | } |
2244 | 0 | if( ucs2_string_index == NULL ) |
2245 | 0 | { |
2246 | 0 | libcerror_error_set( |
2247 | 0 | error, |
2248 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2249 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2250 | 0 | "%s: invalid UCS-2 string index.", |
2251 | 0 | function ); |
2252 | |
|
2253 | 0 | return( -1 ); |
2254 | 0 | } |
2255 | 0 | safe_ucs2_string_index = *ucs2_string_index; |
2256 | |
|
2257 | 0 | if( safe_ucs2_string_index >= ucs2_string_size ) |
2258 | 0 | { |
2259 | 0 | libcerror_error_set( |
2260 | 0 | error, |
2261 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2262 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2263 | 0 | "%s: UCS-2 string too small.", |
2264 | 0 | function ); |
2265 | |
|
2266 | 0 | return( -1 ); |
2267 | 0 | } |
2268 | 0 | safe_unicode_character = ucs2_string[ safe_ucs2_string_index ]; |
2269 | 0 | safe_ucs2_string_index += 1; |
2270 | | |
2271 | | /* Determine if the UCS-2 character is within the high surrogate range |
2272 | | */ |
2273 | 0 | if( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
2274 | 0 | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_END ) ) |
2275 | 0 | { |
2276 | 0 | if( safe_ucs2_string_index >= ucs2_string_size ) |
2277 | 0 | { |
2278 | 0 | libcerror_error_set( |
2279 | 0 | error, |
2280 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2281 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
2282 | 0 | "%s: missing surrogate UCS-2 character bytes.", |
2283 | 0 | function ); |
2284 | |
|
2285 | 0 | return( -1 ); |
2286 | 0 | } |
2287 | 0 | ucs2_surrogate = ucs2_string[ safe_ucs2_string_index ]; |
2288 | | |
2289 | | /* Determine if the UCS-2 character is within the low surrogate range |
2290 | | */ |
2291 | 0 | if( ( ucs2_surrogate >= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ) |
2292 | 0 | && ( ucs2_surrogate <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
2293 | 0 | { |
2294 | 0 | safe_unicode_character -= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START; |
2295 | 0 | safe_unicode_character <<= 10; |
2296 | 0 | safe_unicode_character += ucs2_surrogate - LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START; |
2297 | 0 | safe_unicode_character += 0x010000; |
2298 | |
|
2299 | 0 | safe_ucs2_string_index += 1; |
2300 | 0 | } |
2301 | 0 | } |
2302 | | /* Determine if the Unicode character is valid |
2303 | | * UCS-2 with surrogate pairs supports upto 0x10ffff characters |
2304 | | */ |
2305 | 0 | if( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) |
2306 | 0 | { |
2307 | 0 | libcerror_error_set( |
2308 | 0 | error, |
2309 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2310 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2311 | 0 | "%s: unsupported Unicode character.", |
2312 | 0 | function ); |
2313 | |
|
2314 | 0 | return( -1 ); |
2315 | 0 | } |
2316 | 0 | *unicode_character = safe_unicode_character; |
2317 | 0 | *ucs2_string_index = safe_ucs2_string_index; |
2318 | |
|
2319 | 0 | return( 1 ); |
2320 | 0 | } |
2321 | | |
2322 | | /* Copies an Unicode character into a UCS-2 string |
2323 | | * Returns 1 if successful or -1 on error |
2324 | | */ |
2325 | | int libuna_unicode_character_copy_to_ucs2( |
2326 | | libuna_unicode_character_t unicode_character, |
2327 | | libuna_utf16_character_t *ucs2_string, |
2328 | | size_t ucs2_string_size, |
2329 | | size_t *ucs2_string_index, |
2330 | | libcerror_error_t **error ) |
2331 | 0 | { |
2332 | 0 | static char *function = "libuna_unicode_character_copy_to_ucs2"; |
2333 | 0 | size_t safe_ucs2_string_index = 0; |
2334 | |
|
2335 | 0 | if( ucs2_string == NULL ) |
2336 | 0 | { |
2337 | 0 | libcerror_error_set( |
2338 | 0 | error, |
2339 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2340 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2341 | 0 | "%s: invalid UCS-2 string.", |
2342 | 0 | function ); |
2343 | |
|
2344 | 0 | return( -1 ); |
2345 | 0 | } |
2346 | 0 | if( ucs2_string_size > (size_t) SSIZE_MAX ) |
2347 | 0 | { |
2348 | 0 | libcerror_error_set( |
2349 | 0 | error, |
2350 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2351 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2352 | 0 | "%s: invalid UCS-2 string size value exceeds maximum.", |
2353 | 0 | function ); |
2354 | |
|
2355 | 0 | return( -1 ); |
2356 | 0 | } |
2357 | 0 | if( ucs2_string_index == NULL ) |
2358 | 0 | { |
2359 | 0 | libcerror_error_set( |
2360 | 0 | error, |
2361 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2362 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2363 | 0 | "%s: invalid UCS-2 string index.", |
2364 | 0 | function ); |
2365 | |
|
2366 | 0 | return( -1 ); |
2367 | 0 | } |
2368 | 0 | safe_ucs2_string_index = *ucs2_string_index; |
2369 | |
|
2370 | 0 | if( safe_ucs2_string_index >= ucs2_string_size ) |
2371 | 0 | { |
2372 | 0 | libcerror_error_set( |
2373 | 0 | error, |
2374 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2375 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2376 | 0 | "%s: UCS-2 string too small.", |
2377 | 0 | function ); |
2378 | |
|
2379 | 0 | return( -1 ); |
2380 | 0 | } |
2381 | | /* Determine if the Unicode character is valid |
2382 | | */ |
2383 | 0 | if( unicode_character > LIBUNA_UCS_CHARACTER_MAX ) |
2384 | 0 | { |
2385 | 0 | libcerror_error_set( |
2386 | 0 | error, |
2387 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2388 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2389 | 0 | "%s: unsupported Unicode character.", |
2390 | 0 | function ); |
2391 | |
|
2392 | 0 | return( -1 ); |
2393 | 0 | } |
2394 | 0 | if( unicode_character <= LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
2395 | 0 | { |
2396 | 0 | ucs2_string[ safe_ucs2_string_index++ ] = (libuna_utf16_character_t) unicode_character; |
2397 | 0 | } |
2398 | 0 | else |
2399 | 0 | { |
2400 | 0 | if( ( ucs2_string_size < 2 ) |
2401 | 0 | || ( safe_ucs2_string_index > ( ucs2_string_size - 2 ) ) ) |
2402 | 0 | { |
2403 | 0 | libcerror_error_set( |
2404 | 0 | error, |
2405 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2406 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2407 | 0 | "%s: UCS-2 string too small.", |
2408 | 0 | function ); |
2409 | |
|
2410 | 0 | return( -1 ); |
2411 | 0 | } |
2412 | 0 | unicode_character -= 0x010000; |
2413 | 0 | ucs2_string[ safe_ucs2_string_index++ ] = (libuna_utf16_character_t) ( ( unicode_character >> 10 ) + LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ); |
2414 | 0 | ucs2_string[ safe_ucs2_string_index++ ] = (libuna_utf16_character_t) ( ( unicode_character & 0x03ff ) + LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ); |
2415 | 0 | } |
2416 | 0 | *ucs2_string_index = safe_ucs2_string_index; |
2417 | |
|
2418 | 0 | return( 1 ); |
2419 | 0 | } |
2420 | | |
2421 | | /* Determines the size of an UCS-4 character from an Unicode character |
2422 | | * Adds the size to the UCS-4 character size value |
2423 | | * Returns 1 if successful or -1 on error |
2424 | | */ |
2425 | | int libuna_unicode_character_size_to_ucs4( |
2426 | | libuna_unicode_character_t unicode_character, |
2427 | | size_t *ucs4_character_size, |
2428 | | libcerror_error_t **error ) |
2429 | 0 | { |
2430 | 0 | static char *function = "libuna_unicode_character_size_to_ucs4"; |
2431 | |
|
2432 | 0 | LIBUNA_UNREFERENCED_PARAMETER( unicode_character ) |
2433 | |
|
2434 | 0 | if( ucs4_character_size == NULL ) |
2435 | 0 | { |
2436 | 0 | libcerror_error_set( |
2437 | 0 | error, |
2438 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2439 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2440 | 0 | "%s: invalid UCS-4 character size.", |
2441 | 0 | function ); |
2442 | |
|
2443 | 0 | return( -1 ); |
2444 | 0 | } |
2445 | 0 | if( unicode_character > LIBUNA_UCS_CHARACTER_MAX ) |
2446 | 0 | { |
2447 | 0 | libcerror_error_set( |
2448 | 0 | error, |
2449 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2450 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2451 | 0 | "%s: unsupported Unicode character.", |
2452 | 0 | function ); |
2453 | |
|
2454 | 0 | return( -1 ); |
2455 | 0 | } |
2456 | 0 | *ucs4_character_size += 1; |
2457 | |
|
2458 | 0 | return( 1 ); |
2459 | 0 | } |
2460 | | |
2461 | | /* Copies an Unicode character from an UCS-4 string |
2462 | | * Returns 1 if successful or -1 on error |
2463 | | */ |
2464 | | int libuna_unicode_character_copy_from_ucs4( |
2465 | | libuna_unicode_character_t *unicode_character, |
2466 | | const libuna_utf32_character_t *ucs4_string, |
2467 | | size_t ucs4_string_size, |
2468 | | size_t *ucs4_string_index, |
2469 | | libcerror_error_t **error ) |
2470 | 0 | { |
2471 | 0 | static char *function = "libuna_unicode_character_copy_from_ucs4"; |
2472 | 0 | libuna_unicode_character_t safe_unicode_character = 0; |
2473 | 0 | size_t safe_ucs4_string_index = 0; |
2474 | |
|
2475 | 0 | if( unicode_character == NULL ) |
2476 | 0 | { |
2477 | 0 | libcerror_error_set( |
2478 | 0 | error, |
2479 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2480 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2481 | 0 | "%s: invalid Unicode character.", |
2482 | 0 | function ); |
2483 | |
|
2484 | 0 | return( -1 ); |
2485 | 0 | } |
2486 | 0 | if( ucs4_string == NULL ) |
2487 | 0 | { |
2488 | 0 | libcerror_error_set( |
2489 | 0 | error, |
2490 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2491 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2492 | 0 | "%s: invalid UCS-4 string.", |
2493 | 0 | function ); |
2494 | |
|
2495 | 0 | return( -1 ); |
2496 | 0 | } |
2497 | 0 | if( ucs4_string_size > (size_t) SSIZE_MAX ) |
2498 | 0 | { |
2499 | 0 | libcerror_error_set( |
2500 | 0 | error, |
2501 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2502 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2503 | 0 | "%s: invalid UCS-4 string size value exceeds maximum.", |
2504 | 0 | function ); |
2505 | |
|
2506 | 0 | return( -1 ); |
2507 | 0 | } |
2508 | 0 | if( ucs4_string_index == NULL ) |
2509 | 0 | { |
2510 | 0 | libcerror_error_set( |
2511 | 0 | error, |
2512 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2513 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2514 | 0 | "%s: invalid UCS-4 string index.", |
2515 | 0 | function ); |
2516 | |
|
2517 | 0 | return( -1 ); |
2518 | 0 | } |
2519 | 0 | safe_ucs4_string_index = *ucs4_string_index; |
2520 | |
|
2521 | 0 | if( safe_ucs4_string_index >= ucs4_string_size ) |
2522 | 0 | { |
2523 | 0 | libcerror_error_set( |
2524 | 0 | error, |
2525 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2526 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2527 | 0 | "%s: UCS-4 string too small.", |
2528 | 0 | function ); |
2529 | |
|
2530 | 0 | return( -1 ); |
2531 | 0 | } |
2532 | 0 | safe_unicode_character = ucs4_string[ safe_ucs4_string_index ]; |
2533 | | |
2534 | | /* Determine if the Unicode character is valid |
2535 | | */ |
2536 | 0 | if( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) |
2537 | 0 | { |
2538 | 0 | libcerror_error_set( |
2539 | 0 | error, |
2540 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2541 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2542 | 0 | "%s: unsupported Unicode character.", |
2543 | 0 | function ); |
2544 | |
|
2545 | 0 | return( -1 ); |
2546 | 0 | } |
2547 | 0 | *unicode_character = safe_unicode_character; |
2548 | 0 | *ucs4_string_index = safe_ucs4_string_index + 1; |
2549 | |
|
2550 | 0 | return( 1 ); |
2551 | 0 | } |
2552 | | |
2553 | | /* Copies an Unicode character into a UCS-4 string |
2554 | | * Returns 1 if successful or -1 on error |
2555 | | */ |
2556 | | int libuna_unicode_character_copy_to_ucs4( |
2557 | | libuna_unicode_character_t unicode_character, |
2558 | | libuna_utf32_character_t *ucs4_string, |
2559 | | size_t ucs4_string_size, |
2560 | | size_t *ucs4_string_index, |
2561 | | libcerror_error_t **error ) |
2562 | 0 | { |
2563 | 0 | static char *function = "libuna_unicode_character_copy_to_ucs4"; |
2564 | 0 | size_t safe_ucs4_string_index = 0; |
2565 | |
|
2566 | 0 | if( ucs4_string == NULL ) |
2567 | 0 | { |
2568 | 0 | libcerror_error_set( |
2569 | 0 | error, |
2570 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2571 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2572 | 0 | "%s: invalid UCS-4 string.", |
2573 | 0 | function ); |
2574 | |
|
2575 | 0 | return( -1 ); |
2576 | 0 | } |
2577 | 0 | if( ucs4_string_size > (size_t) SSIZE_MAX ) |
2578 | 0 | { |
2579 | 0 | libcerror_error_set( |
2580 | 0 | error, |
2581 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2582 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2583 | 0 | "%s: invalid UCS-4 string size value exceeds maximum.", |
2584 | 0 | function ); |
2585 | |
|
2586 | 0 | return( -1 ); |
2587 | 0 | } |
2588 | 0 | if( ucs4_string_index == NULL ) |
2589 | 0 | { |
2590 | 0 | libcerror_error_set( |
2591 | 0 | error, |
2592 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2593 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2594 | 0 | "%s: invalid UCS-4 string index.", |
2595 | 0 | function ); |
2596 | |
|
2597 | 0 | return( -1 ); |
2598 | 0 | } |
2599 | 0 | safe_ucs4_string_index = *ucs4_string_index; |
2600 | |
|
2601 | 0 | if( safe_ucs4_string_index >= ucs4_string_size ) |
2602 | 0 | { |
2603 | 0 | libcerror_error_set( |
2604 | 0 | error, |
2605 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2606 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2607 | 0 | "%s: UCS-4 string too small.", |
2608 | 0 | function ); |
2609 | |
|
2610 | 0 | return( -1 ); |
2611 | 0 | } |
2612 | | /* Determine if the Unicode character is valid |
2613 | | */ |
2614 | 0 | if( unicode_character > LIBUNA_UCS_CHARACTER_MAX ) |
2615 | 0 | { |
2616 | 0 | libcerror_error_set( |
2617 | 0 | error, |
2618 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2619 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2620 | 0 | "%s: unsupported Unicode character.", |
2621 | 0 | function ); |
2622 | |
|
2623 | 0 | return( -1 ); |
2624 | 0 | } |
2625 | 0 | ucs4_string[ safe_ucs4_string_index ] = (libuna_utf32_character_t) unicode_character; |
2626 | |
|
2627 | 0 | *ucs4_string_index = safe_ucs4_string_index + 1; |
2628 | |
|
2629 | 0 | return( 1 ); |
2630 | 0 | } |
2631 | | |
2632 | | /* Determines the size of an UTF-7 stream character from an Unicode character |
2633 | | * Adds the size to the UTF-7 stream character size value |
2634 | | * Returns 1 if successful or -1 on error |
2635 | | */ |
2636 | | int libuna_unicode_character_size_to_utf7_stream( |
2637 | | libuna_unicode_character_t unicode_character, |
2638 | | size_t *utf7_stream_character_size, |
2639 | | uint32_t *utf7_stream_base64_data, |
2640 | | libcerror_error_t **error ) |
2641 | 0 | { |
2642 | 0 | static char *function = "libuna_unicode_character_size_to_utf7_stream"; |
2643 | 0 | libuna_utf16_character_t utf16_surrogate = 0; |
2644 | 0 | size_t safe_utf7_stream_character_size = 0; |
2645 | 0 | uint32_t base64_triplet = 0; |
2646 | 0 | uint32_t safe_utf7_stream_base64_data = 0; |
2647 | 0 | uint8_t base64_encode_character = 0; |
2648 | 0 | uint8_t byte_bit_shift = 0; |
2649 | 0 | uint8_t current_byte = 0; |
2650 | 0 | uint8_t number_of_bytes = 0; |
2651 | |
|
2652 | 0 | if( utf7_stream_character_size == NULL ) |
2653 | 0 | { |
2654 | 0 | libcerror_error_set( |
2655 | 0 | error, |
2656 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2657 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2658 | 0 | "%s: invalid UTF-7 stream character size.", |
2659 | 0 | function ); |
2660 | |
|
2661 | 0 | return( -1 ); |
2662 | 0 | } |
2663 | 0 | if( utf7_stream_base64_data == NULL ) |
2664 | 0 | { |
2665 | 0 | libcerror_error_set( |
2666 | 0 | error, |
2667 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2668 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2669 | 0 | "%s: invalid UTF-7 stream base64 data.", |
2670 | 0 | function ); |
2671 | |
|
2672 | 0 | return( -1 ); |
2673 | 0 | } |
2674 | 0 | safe_utf7_stream_character_size = *utf7_stream_character_size; |
2675 | 0 | safe_utf7_stream_base64_data = *utf7_stream_base64_data; |
2676 | | |
2677 | | /* Determine if the Unicode character is valid |
2678 | | */ |
2679 | 0 | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
2680 | 0 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
2681 | 0 | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
2682 | 0 | { |
2683 | 0 | libcerror_error_set( |
2684 | 0 | error, |
2685 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2686 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
2687 | 0 | "%s: unsupported Unicode character.", |
2688 | 0 | function ); |
2689 | |
|
2690 | 0 | return( -1 ); |
2691 | 0 | } |
2692 | | /* The + character must be escaped |
2693 | | */ |
2694 | 0 | if( unicode_character == (libuna_unicode_character_t) '+' ) |
2695 | 0 | { |
2696 | 0 | } |
2697 | | /* Allow for the end of string character |
2698 | | */ |
2699 | 0 | else if( unicode_character == 0 ) |
2700 | 0 | { |
2701 | 0 | } |
2702 | 0 | else if( ( unicode_character >= 256 ) |
2703 | 0 | || ( libuna_unicode_character_utf7_valid_directly_encoded_character[ (uint8_t) unicode_character ] == 0 ) ) |
2704 | 0 | { |
2705 | 0 | base64_encode_character = 1; |
2706 | 0 | } |
2707 | 0 | if( base64_encode_character == 0 ) |
2708 | 0 | { |
2709 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
2710 | 0 | { |
2711 | 0 | safe_utf7_stream_base64_data = 0; |
2712 | 0 | } |
2713 | 0 | safe_utf7_stream_character_size += 1; |
2714 | | |
2715 | | /* The + character must be escaped |
2716 | | */ |
2717 | 0 | if( unicode_character == (libuna_unicode_character_t) '+' ) |
2718 | 0 | { |
2719 | 0 | safe_utf7_stream_character_size += 1; |
2720 | 0 | } |
2721 | 0 | } |
2722 | 0 | else |
2723 | 0 | { |
2724 | | /* Escape the base64 encoded characters with a + |
2725 | | */ |
2726 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) == 0 ) |
2727 | 0 | { |
2728 | 0 | safe_utf7_stream_character_size += 1; |
2729 | 0 | } |
2730 | | /* Otherwise continue the previously base64 encoded characters |
2731 | | */ |
2732 | 0 | else |
2733 | 0 | { |
2734 | 0 | base64_triplet = safe_utf7_stream_base64_data & 0x00ffffff; |
2735 | 0 | number_of_bytes = ( safe_utf7_stream_base64_data >> 24 ) & 0x03; |
2736 | 0 | current_byte = ( safe_utf7_stream_base64_data >> 28 ) & 0x03; |
2737 | |
|
2738 | 0 | if( number_of_bytes > 0 ) |
2739 | 0 | { |
2740 | 0 | if( safe_utf7_stream_character_size < (size_t) ( number_of_bytes + 1 ) ) |
2741 | 0 | { |
2742 | 0 | libcerror_error_set( |
2743 | 0 | error, |
2744 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2745 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2746 | 0 | "%s: invalid UTF-7 stream character size value out of bounds.", |
2747 | 0 | function ); |
2748 | |
|
2749 | 0 | return( -1 ); |
2750 | 0 | } |
2751 | | /* Correct the size for the last partial base64 stream |
2752 | | */ |
2753 | 0 | safe_utf7_stream_character_size -= number_of_bytes + 1; |
2754 | 0 | } |
2755 | 0 | if( safe_utf7_stream_character_size < 1 ) |
2756 | 0 | { |
2757 | 0 | libcerror_error_set( |
2758 | 0 | error, |
2759 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2760 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2761 | 0 | "%s: invalid UTF-7 stream character size value out of bounds.", |
2762 | 0 | function ); |
2763 | |
|
2764 | 0 | return( -1 ); |
2765 | 0 | } |
2766 | | /* Correct the size for the base64 stream termination character |
2767 | | */ |
2768 | 0 | safe_utf7_stream_character_size -= 1; |
2769 | 0 | } |
2770 | 0 | safe_utf7_stream_base64_data = LIBUNA_UTF7_IS_BASE64_ENCODED; |
2771 | |
|
2772 | 0 | if( unicode_character > LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
2773 | 0 | { |
2774 | 0 | unicode_character -= 0x010000; |
2775 | |
|
2776 | 0 | utf16_surrogate = (libuna_utf16_character_t) ( ( unicode_character >> 10 ) + LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ); |
2777 | |
|
2778 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
2779 | 0 | base64_triplet += (uint32_t) ( ( utf16_surrogate >> 8 ) & 0xff ) << byte_bit_shift; |
2780 | 0 | current_byte += 1; |
2781 | 0 | number_of_bytes += 1; |
2782 | |
|
2783 | 0 | if( number_of_bytes == 3 ) |
2784 | 0 | { |
2785 | 0 | safe_utf7_stream_character_size += 4; |
2786 | 0 | number_of_bytes = 0; |
2787 | 0 | current_byte = 0; |
2788 | 0 | base64_triplet = 0; |
2789 | 0 | } |
2790 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
2791 | 0 | base64_triplet += (uint32_t) ( utf16_surrogate & 0xff ) << byte_bit_shift; |
2792 | 0 | current_byte += 1; |
2793 | 0 | number_of_bytes += 1; |
2794 | |
|
2795 | 0 | if( number_of_bytes == 3 ) |
2796 | 0 | { |
2797 | 0 | safe_utf7_stream_character_size += 4; |
2798 | 0 | number_of_bytes = 0; |
2799 | 0 | current_byte = 0; |
2800 | 0 | base64_triplet = 0; |
2801 | 0 | } |
2802 | 0 | unicode_character = (libuna_utf16_character_t) ( ( unicode_character & 0x03ff ) + LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ); |
2803 | 0 | } |
2804 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
2805 | 0 | base64_triplet += (uint32_t) ( ( unicode_character >> 8 ) & 0xff ) << byte_bit_shift; |
2806 | 0 | current_byte += 1; |
2807 | 0 | number_of_bytes += 1; |
2808 | |
|
2809 | 0 | if( number_of_bytes == 3 ) |
2810 | 0 | { |
2811 | 0 | safe_utf7_stream_character_size += 4; |
2812 | 0 | number_of_bytes = 0; |
2813 | 0 | current_byte = 0; |
2814 | 0 | base64_triplet = 0; |
2815 | 0 | } |
2816 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
2817 | 0 | base64_triplet += (uint32_t) ( unicode_character & 0xff ) << byte_bit_shift; |
2818 | 0 | current_byte += 1; |
2819 | 0 | number_of_bytes += 1; |
2820 | |
|
2821 | 0 | if( number_of_bytes == 3 ) |
2822 | 0 | { |
2823 | 0 | safe_utf7_stream_character_size += 4; |
2824 | 0 | number_of_bytes = 0; |
2825 | 0 | current_byte = 0; |
2826 | 0 | base64_triplet = 0; |
2827 | 0 | } |
2828 | | /* Terminate the base64 encoded characters |
2829 | | */ |
2830 | 0 | if( number_of_bytes > 0 ) |
2831 | 0 | { |
2832 | 0 | safe_utf7_stream_character_size += number_of_bytes + 1; |
2833 | 0 | } |
2834 | 0 | safe_utf7_stream_character_size += 1; |
2835 | 0 | } |
2836 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
2837 | 0 | { |
2838 | 0 | safe_utf7_stream_base64_data = LIBUNA_UTF7_IS_BASE64_ENCODED; |
2839 | 0 | safe_utf7_stream_base64_data |= (uint32_t) current_byte << 28; |
2840 | 0 | safe_utf7_stream_base64_data |= (uint32_t) number_of_bytes << 24; |
2841 | 0 | safe_utf7_stream_base64_data |= base64_triplet & 0x00ffffff; |
2842 | 0 | } |
2843 | 0 | *utf7_stream_character_size = safe_utf7_stream_character_size; |
2844 | 0 | *utf7_stream_base64_data = safe_utf7_stream_base64_data; |
2845 | |
|
2846 | 0 | return( 1 ); |
2847 | 0 | } |
2848 | | |
2849 | | /* Copies an Unicode character from an UTF-7 stream |
2850 | | * The bits of the base64 data contain: |
2851 | | * 0 - 23 the base64 triplet |
2852 | | * 24 - 25 the number of bytes in the triplet |
2853 | | * 26 - 27 unused |
2854 | | * 28 - 29 the current byte |
2855 | | * 30 unused |
2856 | | * 31 flag to indicate the current UTF-7 characters are (modified) base64 encoded |
2857 | | * |
2858 | | * Returns 1 if successful or -1 on error |
2859 | | */ |
2860 | | int libuna_unicode_character_copy_from_utf7_stream( |
2861 | | libuna_unicode_character_t *unicode_character, |
2862 | | const uint8_t *utf7_stream, |
2863 | | size_t utf7_stream_size, |
2864 | | size_t *utf7_stream_index, |
2865 | | uint32_t *utf7_stream_base64_data, |
2866 | | libcerror_error_t **error ) |
2867 | 0 | { |
2868 | 0 | static char *function = "libuna_unicode_character_copy_from_utf7_stream"; |
2869 | 0 | libuna_unicode_character_t safe_unicode_character = 0; |
2870 | 0 | libuna_utf16_character_t utf16_surrogate = 0; |
2871 | 0 | size_t safe_utf7_stream_index = 0; |
2872 | 0 | uint32_t base64_triplet = 0; |
2873 | 0 | uint32_t safe_utf7_stream_base64_data = 0; |
2874 | 0 | uint8_t byte_bit_shift = 0; |
2875 | 0 | uint8_t current_byte = 0; |
2876 | 0 | uint8_t number_of_bytes = 0; |
2877 | 0 | uint8_t padding_size = 0; |
2878 | 0 | uint8_t utf7_character_value = 0; |
2879 | |
|
2880 | 0 | if( unicode_character == NULL ) |
2881 | 0 | { |
2882 | 0 | libcerror_error_set( |
2883 | 0 | error, |
2884 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2885 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2886 | 0 | "%s: invalid Unicode character.", |
2887 | 0 | function ); |
2888 | |
|
2889 | 0 | return( -1 ); |
2890 | 0 | } |
2891 | 0 | if( utf7_stream == NULL ) |
2892 | 0 | { |
2893 | 0 | libcerror_error_set( |
2894 | 0 | error, |
2895 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2896 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2897 | 0 | "%s: invalid UTF-7 stream.", |
2898 | 0 | function ); |
2899 | |
|
2900 | 0 | return( -1 ); |
2901 | 0 | } |
2902 | 0 | if( utf7_stream_size > (size_t) SSIZE_MAX ) |
2903 | 0 | { |
2904 | 0 | libcerror_error_set( |
2905 | 0 | error, |
2906 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2907 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
2908 | 0 | "%s: invalid UTF-7 stream size value exceeds maximum.", |
2909 | 0 | function ); |
2910 | |
|
2911 | 0 | return( -1 ); |
2912 | 0 | } |
2913 | 0 | if( utf7_stream_index == NULL ) |
2914 | 0 | { |
2915 | 0 | libcerror_error_set( |
2916 | 0 | error, |
2917 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2918 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2919 | 0 | "%s: invalid UTF-7 stream index.", |
2920 | 0 | function ); |
2921 | |
|
2922 | 0 | return( -1 ); |
2923 | 0 | } |
2924 | 0 | if( utf7_stream_base64_data == NULL ) |
2925 | 0 | { |
2926 | 0 | libcerror_error_set( |
2927 | 0 | error, |
2928 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2929 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
2930 | 0 | "%s: invalid UTF-7 base64 data.", |
2931 | 0 | function ); |
2932 | |
|
2933 | 0 | return( -1 ); |
2934 | 0 | } |
2935 | 0 | safe_utf7_stream_index = *utf7_stream_index; |
2936 | 0 | safe_utf7_stream_base64_data = *utf7_stream_base64_data; |
2937 | |
|
2938 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
2939 | 0 | { |
2940 | 0 | libcerror_error_set( |
2941 | 0 | error, |
2942 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
2943 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
2944 | 0 | "%s: UTF-7 stream too small.", |
2945 | 0 | function ); |
2946 | |
|
2947 | 0 | return( -1 ); |
2948 | 0 | } |
2949 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
2950 | 0 | { |
2951 | 0 | base64_triplet = safe_utf7_stream_base64_data & 0x00ffffff; |
2952 | 0 | number_of_bytes = ( safe_utf7_stream_base64_data >> 24 ) & 0x03; |
2953 | 0 | current_byte = ( safe_utf7_stream_base64_data >> 28 ) & 0x03; |
2954 | |
|
2955 | 0 | if( current_byte >= number_of_bytes ) |
2956 | 0 | { |
2957 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
2958 | 0 | { |
2959 | 0 | libcerror_error_set( |
2960 | 0 | error, |
2961 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2962 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2963 | 0 | "%s: invalid UTF-7 stream character size value out of bounds.", |
2964 | 0 | function ); |
2965 | |
|
2966 | 0 | return( -1 ); |
2967 | 0 | } |
2968 | 0 | utf7_character_value = utf7_stream[ safe_utf7_stream_index ]; |
2969 | | |
2970 | | /* Any character not in the modified base64 alphabet terminates the base64 encoded sequence |
2971 | | */ |
2972 | 0 | if( libuna_unicode_character_utf7_valid_base64_character[ utf7_character_value ] == 0 ) |
2973 | 0 | { |
2974 | 0 | safe_utf7_stream_base64_data = 0; |
2975 | 0 | } |
2976 | 0 | } |
2977 | 0 | } |
2978 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) == 0 ) |
2979 | 0 | { |
2980 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
2981 | 0 | { |
2982 | 0 | libcerror_error_set( |
2983 | 0 | error, |
2984 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
2985 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
2986 | 0 | "%s: invalid UTF-7 stream character size value out of bounds.", |
2987 | 0 | function ); |
2988 | |
|
2989 | 0 | return( -1 ); |
2990 | 0 | } |
2991 | 0 | utf7_character_value = utf7_stream[ safe_utf7_stream_index ]; |
2992 | | |
2993 | | /* Determine if the character is modified base64 encoded |
2994 | | * or a + character |
2995 | | */ |
2996 | 0 | if( utf7_character_value == (uint8_t) '+' ) |
2997 | 0 | { |
2998 | 0 | if( ( safe_utf7_stream_index + 1 ) >= utf7_stream_size ) |
2999 | 0 | { |
3000 | 0 | libcerror_error_set( |
3001 | 0 | error, |
3002 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3003 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3004 | 0 | "%s: invalid UTF-7 stream character size value out of bounds.", |
3005 | 0 | function ); |
3006 | |
|
3007 | 0 | return( -1 ); |
3008 | 0 | } |
3009 | 0 | if( utf7_stream[ safe_utf7_stream_index + 1 ] != (uint8_t) '-' ) |
3010 | 0 | { |
3011 | 0 | safe_utf7_stream_base64_data = LIBUNA_UTF7_IS_BASE64_ENCODED; |
3012 | |
|
3013 | 0 | safe_utf7_stream_index++; |
3014 | 0 | } |
3015 | 0 | } |
3016 | | /* Allow for the end of string character |
3017 | | */ |
3018 | 0 | else if( utf7_character_value == 0 ) |
3019 | 0 | { |
3020 | 0 | } |
3021 | 0 | else if( libuna_unicode_character_utf7_valid_directly_encoded_character[ utf7_character_value ] == 0 ) |
3022 | 0 | { |
3023 | 0 | libcerror_error_set( |
3024 | 0 | error, |
3025 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3026 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3027 | 0 | "%s: invalid directly encoded UTF-7 character byte: 0x%02" PRIx8 ".", |
3028 | 0 | function, |
3029 | 0 | utf7_character_value ); |
3030 | |
|
3031 | 0 | return( -1 ); |
3032 | 0 | } |
3033 | 0 | } |
3034 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) == 0 ) |
3035 | 0 | { |
3036 | 0 | safe_unicode_character = utf7_stream[ safe_utf7_stream_index++ ]; |
3037 | |
|
3038 | 0 | if( ( safe_unicode_character == (libuna_unicode_character_t) '+' ) |
3039 | 0 | && ( utf7_stream[ safe_utf7_stream_index ] == (uint8_t) '-' ) ) |
3040 | 0 | { |
3041 | 0 | safe_utf7_stream_index++; |
3042 | 0 | } |
3043 | 0 | } |
3044 | 0 | else if( ( number_of_bytes == 0 ) |
3045 | 0 | || ( current_byte >= number_of_bytes ) ) |
3046 | 0 | { |
3047 | 0 | if( libuna_base64_triplet_copy_from_base64_stream( |
3048 | 0 | &base64_triplet, |
3049 | 0 | utf7_stream, |
3050 | 0 | utf7_stream_size - 1, |
3051 | 0 | &safe_utf7_stream_index, |
3052 | 0 | &padding_size, |
3053 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3054 | 0 | error ) != 1 ) |
3055 | 0 | { |
3056 | 0 | libcerror_error_set( |
3057 | 0 | error, |
3058 | 0 | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3059 | 0 | LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED, |
3060 | 0 | "%s: unable to copy base64 encoded UTF-7 characters.", |
3061 | 0 | function ); |
3062 | |
|
3063 | 0 | return( -1 ); |
3064 | 0 | } |
3065 | 0 | if( padding_size > 2 ) |
3066 | 0 | { |
3067 | 0 | libcerror_error_set( |
3068 | 0 | error, |
3069 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3070 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3071 | 0 | "%s: unsupported padding in base64 encoded UTF-7 characters.", |
3072 | 0 | function ); |
3073 | |
|
3074 | 0 | return( -1 ); |
3075 | 0 | } |
3076 | 0 | number_of_bytes = 3 - padding_size; |
3077 | 0 | current_byte = 0; |
3078 | 0 | } |
3079 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
3080 | 0 | { |
3081 | 0 | if( current_byte > 2 ) |
3082 | 0 | { |
3083 | 0 | libcerror_error_set( |
3084 | 0 | error, |
3085 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3086 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3087 | 0 | "%s: invalid current byte index value out of bounds.", |
3088 | 0 | function ); |
3089 | |
|
3090 | 0 | return( -1 ); |
3091 | 0 | } |
3092 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3093 | 0 | safe_unicode_character = ( ( base64_triplet >> byte_bit_shift ) & 0x000000ffUL ) << 8; |
3094 | 0 | current_byte += 1; |
3095 | |
|
3096 | 0 | if( current_byte >= number_of_bytes ) |
3097 | 0 | { |
3098 | 0 | if( libuna_base64_triplet_copy_from_base64_stream( |
3099 | 0 | &base64_triplet, |
3100 | 0 | utf7_stream, |
3101 | 0 | utf7_stream_size - 1, |
3102 | 0 | &safe_utf7_stream_index, |
3103 | 0 | &padding_size, |
3104 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3105 | 0 | error ) != 1 ) |
3106 | 0 | { |
3107 | 0 | libcerror_error_set( |
3108 | 0 | error, |
3109 | 0 | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3110 | 0 | LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED, |
3111 | 0 | "%s: unable to copy base64 encoded UTF-7 characters.", |
3112 | 0 | function ); |
3113 | |
|
3114 | 0 | return( -1 ); |
3115 | 0 | } |
3116 | 0 | if( padding_size > 2 ) |
3117 | 0 | { |
3118 | 0 | libcerror_error_set( |
3119 | 0 | error, |
3120 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3121 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3122 | 0 | "%s: unsupported padding in base64 encoded UTF-7 characters.", |
3123 | 0 | function ); |
3124 | |
|
3125 | 0 | return( -1 ); |
3126 | 0 | } |
3127 | 0 | number_of_bytes = 3 - padding_size; |
3128 | 0 | current_byte = 0; |
3129 | 0 | } |
3130 | 0 | if( current_byte > 2 ) |
3131 | 0 | { |
3132 | 0 | libcerror_error_set( |
3133 | 0 | error, |
3134 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3135 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3136 | 0 | "%s: invalid current byte index value out of bounds.", |
3137 | 0 | function ); |
3138 | |
|
3139 | 0 | return( -1 ); |
3140 | 0 | } |
3141 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3142 | 0 | safe_unicode_character += ( base64_triplet >> byte_bit_shift ) & 0x000000ffUL; |
3143 | 0 | current_byte += 1; |
3144 | |
|
3145 | 0 | if( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
3146 | 0 | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_END ) ) |
3147 | 0 | { |
3148 | 0 | if( current_byte >= number_of_bytes ) |
3149 | 0 | { |
3150 | 0 | if( libuna_base64_triplet_copy_from_base64_stream( |
3151 | 0 | &base64_triplet, |
3152 | 0 | utf7_stream, |
3153 | 0 | utf7_stream_size - 1, |
3154 | 0 | &safe_utf7_stream_index, |
3155 | 0 | &padding_size, |
3156 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3157 | 0 | error ) != 1 ) |
3158 | 0 | { |
3159 | 0 | libcerror_error_set( |
3160 | 0 | error, |
3161 | 0 | LIBCERROR_ERROR_DOMAIN_CONVERSION, |
3162 | 0 | LIBCERROR_CONVERSION_ERROR_OUTPUT_FAILED, |
3163 | 0 | "%s: unable to copy base64 encoded UTF-7 characters.", |
3164 | 0 | function ); |
3165 | |
|
3166 | 0 | return( -1 ); |
3167 | 0 | } |
3168 | 0 | if( padding_size > 2 ) |
3169 | 0 | { |
3170 | 0 | libcerror_error_set( |
3171 | 0 | error, |
3172 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3173 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3174 | 0 | "%s: unsupported padding in base64 encoded UTF-7 characters.", |
3175 | 0 | function ); |
3176 | |
|
3177 | 0 | return( -1 ); |
3178 | 0 | } |
3179 | 0 | number_of_bytes = 3 - padding_size; |
3180 | 0 | current_byte = 0; |
3181 | 0 | } |
3182 | 0 | if( current_byte > 2 ) |
3183 | 0 | { |
3184 | 0 | libcerror_error_set( |
3185 | 0 | error, |
3186 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3187 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3188 | 0 | "%s: invalid current byte index value out of bounds.", |
3189 | 0 | function ); |
3190 | |
|
3191 | 0 | return( -1 ); |
3192 | 0 | } |
3193 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3194 | 0 | utf16_surrogate = ( ( base64_triplet >> byte_bit_shift ) & 0x000000ffUL ) << 8; |
3195 | 0 | current_byte += 1; |
3196 | |
|
3197 | 0 | if( current_byte >= number_of_bytes ) |
3198 | 0 | { |
3199 | 0 | if( libuna_base64_triplet_copy_from_base64_stream( |
3200 | 0 | &base64_triplet, |
3201 | 0 | utf7_stream, |
3202 | 0 | utf7_stream_size - 1, |
3203 | 0 | &safe_utf7_stream_index, |
3204 | 0 | &padding_size, |
3205 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3206 | 0 | error ) != 1 ) |
3207 | 0 | { |
3208 | 0 | libcerror_error_set( |
3209 | 0 | error, |
3210 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3211 | 0 | LIBCERROR_RUNTIME_ERROR_GET_FAILED, |
3212 | 0 | "%s: unable to retrieve base64 encoded UTF-7 characters.", |
3213 | 0 | function ); |
3214 | |
|
3215 | 0 | return( -1 ); |
3216 | 0 | } |
3217 | 0 | if( padding_size > 2 ) |
3218 | 0 | { |
3219 | 0 | libcerror_error_set( |
3220 | 0 | error, |
3221 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3222 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3223 | 0 | "%s: unsupported padding in base64 encoded UTF-7 characters.", |
3224 | 0 | function ); |
3225 | |
|
3226 | 0 | return( -1 ); |
3227 | 0 | } |
3228 | 0 | number_of_bytes = 3 - padding_size; |
3229 | 0 | current_byte = 0; |
3230 | 0 | } |
3231 | 0 | if( current_byte > 2 ) |
3232 | 0 | { |
3233 | 0 | libcerror_error_set( |
3234 | 0 | error, |
3235 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3236 | 0 | LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS, |
3237 | 0 | "%s: invalid current byte index value out of bounds.", |
3238 | 0 | function ); |
3239 | |
|
3240 | 0 | return( -1 ); |
3241 | 0 | } |
3242 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3243 | 0 | utf16_surrogate += ( base64_triplet >> byte_bit_shift ) & 0x000000ffUL; |
3244 | 0 | current_byte += 1; |
3245 | | |
3246 | | /* Determine if the UTF-16 character is within the low surrogate range |
3247 | | */ |
3248 | 0 | if( ( utf16_surrogate >= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ) |
3249 | 0 | && ( utf16_surrogate <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
3250 | 0 | { |
3251 | 0 | safe_unicode_character -= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START; |
3252 | 0 | safe_unicode_character <<= 10; |
3253 | 0 | safe_unicode_character += utf16_surrogate - LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START; |
3254 | 0 | safe_unicode_character += 0x010000; |
3255 | 0 | } |
3256 | 0 | else |
3257 | 0 | { |
3258 | 0 | libcerror_error_set( |
3259 | 0 | error, |
3260 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3261 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
3262 | 0 | "%s: unsupported low surrogate UTF-16 character.", |
3263 | 0 | function ); |
3264 | |
|
3265 | 0 | return( -1 ); |
3266 | 0 | } |
3267 | 0 | } |
3268 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
3269 | 0 | { |
3270 | 0 | libcerror_error_set( |
3271 | 0 | error, |
3272 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3273 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3274 | 0 | "%s: UTF-7 stream too small.", |
3275 | 0 | function ); |
3276 | |
|
3277 | 0 | return( -1 ); |
3278 | 0 | } |
3279 | 0 | if( ( current_byte >= number_of_bytes ) |
3280 | 0 | && ( utf7_stream[ safe_utf7_stream_index ] == (uint8_t) '-' ) ) |
3281 | 0 | { |
3282 | 0 | safe_utf7_stream_base64_data = 0; |
3283 | |
|
3284 | 0 | safe_utf7_stream_index++; |
3285 | 0 | } |
3286 | 0 | } |
3287 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
3288 | 0 | { |
3289 | 0 | safe_utf7_stream_base64_data = LIBUNA_UTF7_IS_BASE64_ENCODED; |
3290 | 0 | safe_utf7_stream_base64_data |= (uint32_t) current_byte << 28; |
3291 | 0 | safe_utf7_stream_base64_data |= (uint32_t) number_of_bytes << 24; |
3292 | 0 | safe_utf7_stream_base64_data |= base64_triplet & 0x00ffffff; |
3293 | 0 | } |
3294 | 0 | *unicode_character = safe_unicode_character; |
3295 | 0 | *utf7_stream_index = safe_utf7_stream_index; |
3296 | 0 | *utf7_stream_base64_data = safe_utf7_stream_base64_data; |
3297 | |
|
3298 | 0 | return( 1 ); |
3299 | 0 | } |
3300 | | |
3301 | | /* Copies an Unicode character into a UTF-7 stream |
3302 | | * The bits of the base64 data contain: |
3303 | | * 0 - 23 the base64 triplet |
3304 | | * 24 - 25 the number of bytes in the triplet |
3305 | | * 26 - 27 unused |
3306 | | * 28 - 29 the current byte |
3307 | | * 30 unused |
3308 | | * 31 flag to indicate the current UTF-7 characters are (modified) base64 encoded |
3309 | | * |
3310 | | * Returns 1 if successful or -1 on error |
3311 | | */ |
3312 | | int libuna_unicode_character_copy_to_utf7_stream( |
3313 | | libuna_unicode_character_t unicode_character, |
3314 | | uint8_t *utf7_stream, |
3315 | | size_t utf7_stream_size, |
3316 | | size_t *utf7_stream_index, |
3317 | | uint32_t *utf7_stream_base64_data, |
3318 | | libcerror_error_t **error ) |
3319 | 0 | { |
3320 | 0 | static char *function = "libuna_unicode_character_copy_to_utf7_stream"; |
3321 | 0 | libuna_utf16_character_t utf16_surrogate = 0; |
3322 | 0 | size_t safe_utf7_stream_index = 0; |
3323 | 0 | uint32_t base64_triplet = 0; |
3324 | 0 | uint32_t safe_utf7_stream_base64_data = 0; |
3325 | 0 | uint8_t base64_encode_character = 0; |
3326 | 0 | uint8_t byte_bit_shift = 0; |
3327 | 0 | uint8_t current_byte = 0; |
3328 | 0 | uint8_t number_of_bytes = 0; |
3329 | |
|
3330 | 0 | if( utf7_stream == NULL ) |
3331 | 0 | { |
3332 | 0 | libcerror_error_set( |
3333 | 0 | error, |
3334 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3335 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3336 | 0 | "%s: invalid UTF-7 stream.", |
3337 | 0 | function ); |
3338 | |
|
3339 | 0 | return( -1 ); |
3340 | 0 | } |
3341 | 0 | if( utf7_stream_size > (size_t) SSIZE_MAX ) |
3342 | 0 | { |
3343 | 0 | libcerror_error_set( |
3344 | 0 | error, |
3345 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3346 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3347 | 0 | "%s: invalid UTF-7 stream size value exceeds maximum.", |
3348 | 0 | function ); |
3349 | |
|
3350 | 0 | return( -1 ); |
3351 | 0 | } |
3352 | 0 | if( utf7_stream_index == NULL ) |
3353 | 0 | { |
3354 | 0 | libcerror_error_set( |
3355 | 0 | error, |
3356 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3357 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3358 | 0 | "%s: invalid UTF-7 stream index.", |
3359 | 0 | function ); |
3360 | |
|
3361 | 0 | return( -1 ); |
3362 | 0 | } |
3363 | 0 | if( utf7_stream_base64_data == NULL ) |
3364 | 0 | { |
3365 | 0 | libcerror_error_set( |
3366 | 0 | error, |
3367 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3368 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3369 | 0 | "%s: invalid UTF-7 stream base64 data.", |
3370 | 0 | function ); |
3371 | |
|
3372 | 0 | return( -1 ); |
3373 | 0 | } |
3374 | 0 | safe_utf7_stream_index = *utf7_stream_index; |
3375 | 0 | safe_utf7_stream_base64_data = *utf7_stream_base64_data; |
3376 | | |
3377 | | /* Determine if the Unicode character is valid |
3378 | | */ |
3379 | 0 | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
3380 | 0 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
3381 | 0 | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
3382 | 0 | { |
3383 | 0 | libcerror_error_set( |
3384 | 0 | error, |
3385 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3386 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
3387 | 0 | "%s: unsupported Unicode character.", |
3388 | 0 | function ); |
3389 | |
|
3390 | 0 | return( -1 ); |
3391 | 0 | } |
3392 | | /* A-Z is not a continous range on an EBCDIC based system |
3393 | | * it consists of the ranges: A-I, J-R, S-Z |
3394 | | */ |
3395 | 0 | if( ( unicode_character >= 0x41 ) |
3396 | 0 | && ( unicode_character <= 0x49 ) ) |
3397 | 0 | { |
3398 | 0 | unicode_character = ( unicode_character - 0x41 ) + (libuna_unicode_character_t) 'A'; |
3399 | 0 | } |
3400 | 0 | else if( ( unicode_character >= 0x4a ) |
3401 | 0 | && ( unicode_character <= 0x52 ) ) |
3402 | 0 | { |
3403 | 0 | unicode_character = ( unicode_character - 0x4a ) + (libuna_unicode_character_t) 'J'; |
3404 | 0 | } |
3405 | 0 | else if( ( unicode_character >= 0x53 ) |
3406 | 0 | && ( unicode_character <= 0x5a ) ) |
3407 | 0 | { |
3408 | 0 | unicode_character = ( unicode_character - 0x53 ) + (libuna_unicode_character_t) 'S'; |
3409 | 0 | } |
3410 | | /* a-z is not a continous range on an EBCDIC based system |
3411 | | * it consists of the ranges: a-i, j-r, s-z |
3412 | | */ |
3413 | 0 | else if( ( unicode_character >= 0x61 ) |
3414 | 0 | && ( unicode_character <= 0x69 ) ) |
3415 | 0 | { |
3416 | 0 | unicode_character = ( unicode_character - 0x61 ) + (libuna_unicode_character_t) 'a'; |
3417 | 0 | } |
3418 | 0 | else if( ( unicode_character >= 0x6a ) |
3419 | 0 | && ( unicode_character <= 0x72 ) ) |
3420 | 0 | { |
3421 | 0 | unicode_character = ( unicode_character - 0x6a ) + (libuna_unicode_character_t) 'j'; |
3422 | 0 | } |
3423 | 0 | else if( ( unicode_character >= 0x73 ) |
3424 | 0 | && ( unicode_character <= 0x7a ) ) |
3425 | 0 | { |
3426 | 0 | unicode_character = ( unicode_character - 0x73 ) + (libuna_unicode_character_t) 's'; |
3427 | 0 | } |
3428 | | /* 0-9 |
3429 | | */ |
3430 | 0 | else if( ( unicode_character >= 0x30 ) |
3431 | 0 | && ( unicode_character <= 0x39 ) ) |
3432 | 0 | { |
3433 | 0 | unicode_character = ( unicode_character - 0x30 ) + (libuna_unicode_character_t) '0'; |
3434 | 0 | } |
3435 | | /* The + character must be escaped |
3436 | | */ |
3437 | 0 | else if( unicode_character == (libuna_unicode_character_t) '+' ) |
3438 | 0 | { |
3439 | 0 | } |
3440 | | /* Allow for the end of string character |
3441 | | */ |
3442 | 0 | else if( unicode_character == 0 ) |
3443 | 0 | { |
3444 | 0 | } |
3445 | 0 | else if( ( unicode_character >= 256 ) |
3446 | 0 | || ( libuna_unicode_character_utf7_valid_directly_encoded_character[ (uint8_t) unicode_character ] == 0 ) ) |
3447 | 0 | { |
3448 | 0 | base64_encode_character = 1; |
3449 | 0 | } |
3450 | 0 | if( base64_encode_character == 0 ) |
3451 | 0 | { |
3452 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
3453 | 0 | { |
3454 | 0 | safe_utf7_stream_base64_data = 0; |
3455 | 0 | } |
3456 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
3457 | 0 | { |
3458 | 0 | libcerror_error_set( |
3459 | 0 | error, |
3460 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3461 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3462 | 0 | "%s: UTF-7 stream too small.", |
3463 | 0 | function ); |
3464 | |
|
3465 | 0 | return( -1 ); |
3466 | 0 | } |
3467 | 0 | utf7_stream[ safe_utf7_stream_index++ ] = (uint8_t) unicode_character; |
3468 | | |
3469 | | /* The + character must be escaped |
3470 | | */ |
3471 | 0 | if( unicode_character == (libuna_unicode_character_t) '+' ) |
3472 | 0 | { |
3473 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
3474 | 0 | { |
3475 | 0 | libcerror_error_set( |
3476 | 0 | error, |
3477 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3478 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3479 | 0 | "%s: UTF-7 stream too small.", |
3480 | 0 | function ); |
3481 | |
|
3482 | 0 | return( -1 ); |
3483 | 0 | } |
3484 | 0 | utf7_stream[ safe_utf7_stream_index++ ] = (uint8_t) '-'; |
3485 | 0 | } |
3486 | 0 | } |
3487 | 0 | else |
3488 | 0 | { |
3489 | | /* Escape the base64 encoded chracters with a + |
3490 | | */ |
3491 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) == 0 ) |
3492 | 0 | { |
3493 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
3494 | 0 | { |
3495 | 0 | libcerror_error_set( |
3496 | 0 | error, |
3497 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3498 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3499 | 0 | "%s: UTF-7 stream too small.", |
3500 | 0 | function ); |
3501 | |
|
3502 | 0 | return( -1 ); |
3503 | 0 | } |
3504 | 0 | utf7_stream[ safe_utf7_stream_index++ ] = (uint8_t) '+'; |
3505 | 0 | } |
3506 | | /* Otherwise continue the previously base64 encoded characters |
3507 | | */ |
3508 | 0 | else |
3509 | 0 | { |
3510 | 0 | base64_triplet = safe_utf7_stream_base64_data & 0x00ffffff; |
3511 | 0 | number_of_bytes = ( safe_utf7_stream_base64_data >> 24 ) & 0x03; |
3512 | 0 | current_byte = ( safe_utf7_stream_base64_data >> 28 ) & 0x03; |
3513 | |
|
3514 | 0 | if( number_of_bytes > 0 ) |
3515 | 0 | { |
3516 | | /* Correct the index for the last partial base64 stream |
3517 | | */ |
3518 | 0 | safe_utf7_stream_index -= number_of_bytes + 1; |
3519 | 0 | } |
3520 | | /* Correct the index for the base64 stream termination character |
3521 | | */ |
3522 | 0 | safe_utf7_stream_index -= 1; |
3523 | 0 | } |
3524 | 0 | safe_utf7_stream_base64_data = LIBUNA_UTF7_IS_BASE64_ENCODED; |
3525 | |
|
3526 | 0 | if( unicode_character > LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
3527 | 0 | { |
3528 | 0 | unicode_character -= 0x010000; |
3529 | |
|
3530 | 0 | utf16_surrogate = (libuna_utf16_character_t) ( ( unicode_character >> 10 ) |
3531 | 0 | + LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ); |
3532 | |
|
3533 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3534 | 0 | base64_triplet += (uint32_t) ( ( utf16_surrogate >> 8 ) & 0xff ) << byte_bit_shift; |
3535 | 0 | current_byte += 1; |
3536 | 0 | number_of_bytes += 1; |
3537 | |
|
3538 | 0 | if( number_of_bytes == 3 ) |
3539 | 0 | { |
3540 | 0 | if( libuna_base64_triplet_copy_to_base64_stream( |
3541 | 0 | base64_triplet, |
3542 | 0 | utf7_stream, |
3543 | 0 | utf7_stream_size, |
3544 | 0 | &safe_utf7_stream_index, |
3545 | 0 | 0, |
3546 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3547 | 0 | error ) != 1 ) |
3548 | 0 | { |
3549 | 0 | libcerror_error_set( |
3550 | 0 | error, |
3551 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3552 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3553 | 0 | "%s: unable to set base64 encoded UTF-7 characters.", |
3554 | 0 | function ); |
3555 | |
|
3556 | 0 | return( -1 ); |
3557 | 0 | } |
3558 | 0 | number_of_bytes = 0; |
3559 | 0 | current_byte = 0; |
3560 | 0 | base64_triplet = 0; |
3561 | 0 | } |
3562 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3563 | 0 | base64_triplet += (uint32_t) ( utf16_surrogate & 0xff ) << byte_bit_shift; |
3564 | 0 | current_byte += 1; |
3565 | 0 | number_of_bytes += 1; |
3566 | |
|
3567 | 0 | if( number_of_bytes == 3 ) |
3568 | 0 | { |
3569 | 0 | if( libuna_base64_triplet_copy_to_base64_stream( |
3570 | 0 | base64_triplet, |
3571 | 0 | utf7_stream, |
3572 | 0 | utf7_stream_size, |
3573 | 0 | &safe_utf7_stream_index, |
3574 | 0 | 0, |
3575 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3576 | 0 | error ) != 1 ) |
3577 | 0 | { |
3578 | 0 | libcerror_error_set( |
3579 | 0 | error, |
3580 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3581 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3582 | 0 | "%s: unable to set base64 encoded UTF-7 characters.", |
3583 | 0 | function ); |
3584 | |
|
3585 | 0 | return( -1 ); |
3586 | 0 | } |
3587 | 0 | number_of_bytes = 0; |
3588 | 0 | current_byte = 0; |
3589 | 0 | base64_triplet = 0; |
3590 | 0 | } |
3591 | 0 | unicode_character = (libuna_utf16_character_t) ( ( unicode_character & 0x03ff ) |
3592 | 0 | + LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ); |
3593 | 0 | } |
3594 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3595 | 0 | base64_triplet += (uint32_t) ( ( unicode_character >> 8 ) & 0xff ) << byte_bit_shift; |
3596 | 0 | current_byte += 1; |
3597 | 0 | number_of_bytes += 1; |
3598 | |
|
3599 | 0 | if( number_of_bytes == 3 ) |
3600 | 0 | { |
3601 | 0 | if( libuna_base64_triplet_copy_to_base64_stream( |
3602 | 0 | base64_triplet, |
3603 | 0 | utf7_stream, |
3604 | 0 | utf7_stream_size, |
3605 | 0 | &safe_utf7_stream_index, |
3606 | 0 | 0, |
3607 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3608 | 0 | error ) != 1 ) |
3609 | 0 | { |
3610 | 0 | libcerror_error_set( |
3611 | 0 | error, |
3612 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3613 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3614 | 0 | "%s: unable to set base64 encoded UTF-7 characters.", |
3615 | 0 | function ); |
3616 | |
|
3617 | 0 | return( -1 ); |
3618 | 0 | } |
3619 | 0 | number_of_bytes = 0; |
3620 | 0 | current_byte = 0; |
3621 | 0 | base64_triplet = 0; |
3622 | 0 | } |
3623 | 0 | byte_bit_shift = 16 - ( current_byte * 8 ); |
3624 | 0 | base64_triplet += (uint32_t) ( unicode_character & 0xff ) << byte_bit_shift; |
3625 | 0 | current_byte += 1; |
3626 | 0 | number_of_bytes += 1; |
3627 | |
|
3628 | 0 | if( number_of_bytes == 3 ) |
3629 | 0 | { |
3630 | 0 | if( libuna_base64_triplet_copy_to_base64_stream( |
3631 | 0 | base64_triplet, |
3632 | 0 | utf7_stream, |
3633 | 0 | utf7_stream_size, |
3634 | 0 | &safe_utf7_stream_index, |
3635 | 0 | 0, |
3636 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3637 | 0 | error ) != 1 ) |
3638 | 0 | { |
3639 | 0 | libcerror_error_set( |
3640 | 0 | error, |
3641 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3642 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3643 | 0 | "%s: unable to set base64 encoded UTF-7 characters.", |
3644 | 0 | function ); |
3645 | |
|
3646 | 0 | return( -1 ); |
3647 | 0 | } |
3648 | 0 | number_of_bytes = 0; |
3649 | 0 | current_byte = 0; |
3650 | 0 | base64_triplet = 0; |
3651 | 0 | } |
3652 | | /* Terminate the base64 encoded characters |
3653 | | */ |
3654 | 0 | if( number_of_bytes > 0 ) |
3655 | 0 | { |
3656 | 0 | if( libuna_base64_triplet_copy_to_base64_stream( |
3657 | 0 | base64_triplet, |
3658 | 0 | utf7_stream, |
3659 | 0 | utf7_stream_size, |
3660 | 0 | &safe_utf7_stream_index, |
3661 | 0 | 3 - number_of_bytes, |
3662 | 0 | LIBUNA_BASE64_VARIANT_UTF7, |
3663 | 0 | error ) != 1 ) |
3664 | 0 | { |
3665 | 0 | libcerror_error_set( |
3666 | 0 | error, |
3667 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3668 | 0 | LIBCERROR_RUNTIME_ERROR_SET_FAILED, |
3669 | 0 | "%s: unable to set base64 encoded UTF-7 characters.", |
3670 | 0 | function ); |
3671 | |
|
3672 | 0 | return( -1 ); |
3673 | 0 | } |
3674 | 0 | } |
3675 | 0 | if( safe_utf7_stream_index >= utf7_stream_size ) |
3676 | 0 | { |
3677 | 0 | libcerror_error_set( |
3678 | 0 | error, |
3679 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3680 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3681 | 0 | "%s: UTF-7 stream too small.", |
3682 | 0 | function ); |
3683 | |
|
3684 | 0 | return( -1 ); |
3685 | 0 | } |
3686 | 0 | utf7_stream[ safe_utf7_stream_index++ ] = (uint8_t) '-'; |
3687 | 0 | } |
3688 | 0 | if( ( safe_utf7_stream_base64_data & LIBUNA_UTF7_IS_BASE64_ENCODED ) != 0 ) |
3689 | 0 | { |
3690 | 0 | safe_utf7_stream_base64_data = LIBUNA_UTF7_IS_BASE64_ENCODED; |
3691 | 0 | safe_utf7_stream_base64_data |= (uint32_t) current_byte << 28; |
3692 | 0 | safe_utf7_stream_base64_data |= (uint32_t) number_of_bytes << 24; |
3693 | 0 | safe_utf7_stream_base64_data |= base64_triplet & 0x00ffffff; |
3694 | 0 | } |
3695 | 0 | *utf7_stream_index = safe_utf7_stream_index; |
3696 | 0 | *utf7_stream_base64_data = safe_utf7_stream_base64_data; |
3697 | |
|
3698 | 0 | return( 1 ); |
3699 | 0 | } |
3700 | | |
3701 | | /* Determines the size of an UTF-8 character from an Unicode character |
3702 | | * This function supports upto U+10FFFF (4 byte UTF-8 characters) |
3703 | | * Adds the size to the UTF-8 character size value |
3704 | | * Returns 1 if successful or -1 on error |
3705 | | */ |
3706 | | int libuna_unicode_character_size_to_utf8( |
3707 | | libuna_unicode_character_t unicode_character, |
3708 | | size_t *utf8_character_size, |
3709 | | libcerror_error_t **error ) |
3710 | 7.56M | { |
3711 | 7.56M | static char *function = "libuna_unicode_character_size_to_utf8"; |
3712 | 7.56M | size_t safe_utf8_character_size = 0; |
3713 | | |
3714 | 7.56M | if( utf8_character_size == NULL ) |
3715 | 0 | { |
3716 | 0 | libcerror_error_set( |
3717 | 0 | error, |
3718 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3719 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3720 | 0 | "%s: invalid UTF-8 character size.", |
3721 | 0 | function ); |
3722 | |
|
3723 | 0 | return( -1 ); |
3724 | 0 | } |
3725 | | /* Determine if the Unicode character is valid |
3726 | | */ |
3727 | 7.56M | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
3728 | 261k | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
3729 | 7.56M | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
3730 | 0 | { |
3731 | 0 | libcerror_error_set( |
3732 | 0 | error, |
3733 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
3734 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
3735 | 0 | "%s: unsupported Unicode character.", |
3736 | 0 | function ); |
3737 | |
|
3738 | 0 | return( -1 ); |
3739 | 0 | } |
3740 | | /* RFC 3629 limits the UTF-8 character to consist of a maximum of 4 bytes |
3741 | | * while its predecessor RFC 2279 allowed up to 6 bytes |
3742 | | */ |
3743 | 7.56M | if( unicode_character < 0x00000080UL ) |
3744 | 4.02M | { |
3745 | 4.02M | safe_utf8_character_size += 1; |
3746 | 4.02M | } |
3747 | 3.54M | else if( unicode_character < 0x00000800UL ) |
3748 | 210k | { |
3749 | 210k | safe_utf8_character_size += 2; |
3750 | 210k | } |
3751 | 3.32M | else if( unicode_character < 0x00010000UL ) |
3752 | 3.30M | { |
3753 | 3.30M | safe_utf8_character_size += 3; |
3754 | 3.30M | } |
3755 | 25.3k | else |
3756 | 25.3k | { |
3757 | 25.3k | safe_utf8_character_size += 4; |
3758 | 25.3k | } |
3759 | 7.56M | *utf8_character_size += safe_utf8_character_size; |
3760 | | |
3761 | 7.56M | return( 1 ); |
3762 | 7.56M | } |
3763 | | |
3764 | | /* Copies an Unicode character from an UTF-8 string |
3765 | | * This function supports upto U+10FFFF (4 byte UTF-8 characters) |
3766 | | * Returns 1 if successful or -1 on error |
3767 | | */ |
3768 | | int libuna_unicode_character_copy_from_utf8( |
3769 | | libuna_unicode_character_t *unicode_character, |
3770 | | const libuna_utf8_character_t *utf8_string, |
3771 | | size_t utf8_string_size, |
3772 | | size_t *utf8_string_index, |
3773 | | libcerror_error_t **error ) |
3774 | 3.50M | { |
3775 | 3.50M | static char *function = "libuna_unicode_character_copy_from_utf8"; |
3776 | 3.50M | libuna_unicode_character_t safe_unicode_character = 0; |
3777 | 3.50M | size_t safe_utf8_string_index = 0; |
3778 | 3.50M | uint8_t byte_value1 = 0; |
3779 | 3.50M | uint8_t byte_value2 = 0; |
3780 | 3.50M | uint8_t byte_value3 = 0; |
3781 | 3.50M | uint8_t byte_value4 = 0; |
3782 | 3.50M | uint8_t utf8_character_additional_bytes = 0; |
3783 | 3.50M | int result = 0; |
3784 | | |
3785 | 3.50M | if( unicode_character == NULL ) |
3786 | 0 | { |
3787 | 0 | libcerror_error_set( |
3788 | 0 | error, |
3789 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3790 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3791 | 0 | "%s: invalid Unicode character.", |
3792 | 0 | function ); |
3793 | |
|
3794 | 0 | return( -1 ); |
3795 | 0 | } |
3796 | 3.50M | if( utf8_string == NULL ) |
3797 | 0 | { |
3798 | 0 | libcerror_error_set( |
3799 | 0 | error, |
3800 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3801 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3802 | 0 | "%s: invalid UTF-8 string.", |
3803 | 0 | function ); |
3804 | |
|
3805 | 0 | return( -1 ); |
3806 | 0 | } |
3807 | 3.50M | if( utf8_string_size > (size_t) SSIZE_MAX ) |
3808 | 0 | { |
3809 | 0 | libcerror_error_set( |
3810 | 0 | error, |
3811 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3812 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
3813 | 0 | "%s: invalid UTF-8 string size value exceeds maximum.", |
3814 | 0 | function ); |
3815 | |
|
3816 | 0 | return( -1 ); |
3817 | 0 | } |
3818 | 3.50M | if( utf8_string_index == NULL ) |
3819 | 0 | { |
3820 | 0 | libcerror_error_set( |
3821 | 0 | error, |
3822 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3823 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
3824 | 0 | "%s: invalid UTF-8 string index.", |
3825 | 0 | function ); |
3826 | |
|
3827 | 0 | return( -1 ); |
3828 | 0 | } |
3829 | 3.50M | safe_utf8_string_index = *utf8_string_index; |
3830 | | |
3831 | 3.50M | if( safe_utf8_string_index >= utf8_string_size ) |
3832 | 0 | { |
3833 | 0 | libcerror_error_set( |
3834 | 0 | error, |
3835 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3836 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3837 | 0 | "%s: UTF-8 string too small.", |
3838 | 0 | function ); |
3839 | |
|
3840 | 0 | return( -1 ); |
3841 | 0 | } |
3842 | | /* Determine the number of additional bytes of the UTF-8 character |
3843 | | */ |
3844 | 3.50M | byte_value1 = utf8_string[ safe_utf8_string_index ]; |
3845 | | |
3846 | | /* Determine the UTF-8 character and make sure it is valid |
3847 | | * RFC 3629 limits the UTF-8 character to consist of a maximum of 4 bytes |
3848 | | * while its predecessor RFC 2279 allowed up to 6 bytes |
3849 | | */ |
3850 | 3.50M | if( byte_value1 > 0xf4 ) |
3851 | 658 | { |
3852 | 658 | libcerror_error_set( |
3853 | 658 | error, |
3854 | 658 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3855 | 658 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3856 | 658 | "%s: invalid 1st UTF-8 character byte: 0x%02" PRIx8 ".", |
3857 | 658 | function, |
3858 | 658 | byte_value1 ); |
3859 | | |
3860 | 658 | return( -1 ); |
3861 | 658 | } |
3862 | 3.50M | if( byte_value1 < 0xc0 ) |
3863 | 3.47M | { |
3864 | 3.47M | utf8_character_additional_bytes = 0; |
3865 | 3.47M | } |
3866 | 32.2k | else if( byte_value1 < 0xe0 ) |
3867 | 6.59k | { |
3868 | 6.59k | utf8_character_additional_bytes = 1; |
3869 | 6.59k | } |
3870 | 25.6k | else if( byte_value1 < 0xf0 ) |
3871 | 16.3k | { |
3872 | 16.3k | utf8_character_additional_bytes = 2; |
3873 | 16.3k | } |
3874 | 9.37k | else |
3875 | 9.37k | { |
3876 | 9.37k | utf8_character_additional_bytes = 3; |
3877 | 9.37k | } |
3878 | 3.50M | if( ( ( (size_t) utf8_character_additional_bytes + 1 ) > utf8_string_size ) |
3879 | 3.50M | || ( safe_utf8_string_index > ( utf8_string_size - ( utf8_character_additional_bytes + 1 ) ) ) ) |
3880 | 142 | { |
3881 | 142 | libcerror_error_set( |
3882 | 142 | error, |
3883 | 142 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3884 | 142 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
3885 | 142 | "%s: missing UTF-8 character bytes.", |
3886 | 142 | function ); |
3887 | | |
3888 | 142 | return( -1 ); |
3889 | 142 | } |
3890 | 3.50M | safe_unicode_character = byte_value1; |
3891 | | |
3892 | 3.50M | if( utf8_character_additional_bytes == 0 ) |
3893 | 3.47M | { |
3894 | 3.47M | if( byte_value1 >= 0x80 ) |
3895 | 500 | { |
3896 | 500 | libcerror_error_set( |
3897 | 500 | error, |
3898 | 500 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3899 | 500 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3900 | 500 | "%s: invalid 1st UTF-8 character byte: 0x%02" PRIx8 ".", |
3901 | 500 | function, |
3902 | 500 | byte_value1 ); |
3903 | | |
3904 | 500 | return( -1 ); |
3905 | 500 | } |
3906 | 3.47M | } |
3907 | 3.50M | if( utf8_character_additional_bytes >= 1 ) |
3908 | 32.1k | { |
3909 | 32.1k | byte_value2 = utf8_string[ safe_utf8_string_index + 1 ]; |
3910 | | |
3911 | 32.1k | if( ( byte_value2 < 0x80 ) |
3912 | 31.7k | || ( byte_value2 > 0xbf ) ) |
3913 | 703 | { |
3914 | 703 | libcerror_error_set( |
3915 | 703 | error, |
3916 | 703 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3917 | 703 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3918 | 703 | "%s: invalid 2nd UTF-8 character byte: 0x%02" PRIx8 ".", |
3919 | 703 | function, |
3920 | 703 | byte_value2 ); |
3921 | | |
3922 | 703 | return( -1 ); |
3923 | 703 | } |
3924 | 31.4k | result = 1; |
3925 | | |
3926 | 31.4k | switch( byte_value1 ) |
3927 | 31.4k | { |
3928 | 6.02k | case 0xe0: |
3929 | 6.02k | if( ( byte_value2 < 0xa0 ) |
3930 | 5.90k | || ( byte_value2 > 0xbf ) ) |
3931 | 121 | { |
3932 | 121 | result = 0; |
3933 | 121 | } |
3934 | 6.02k | break; |
3935 | | |
3936 | 4.00k | case 0xed: |
3937 | 4.00k | if( ( byte_value2 < 0x80 ) |
3938 | 4.00k | || ( byte_value2 > 0x9f ) ) |
3939 | 81 | { |
3940 | 81 | result = 0; |
3941 | 81 | } |
3942 | 4.00k | break; |
3943 | | |
3944 | 4.29k | case 0xf0: |
3945 | 4.29k | if( ( byte_value2 < 0x90 ) |
3946 | 4.19k | || ( byte_value2 > 0xbf ) ) |
3947 | 100 | { |
3948 | 100 | result = 0; |
3949 | 100 | } |
3950 | 4.29k | break; |
3951 | | |
3952 | 1.14k | case 0xf4: |
3953 | 1.14k | if( ( byte_value2 < 0x80 ) |
3954 | 1.14k | || ( byte_value2 > 0xbf ) ) |
3955 | 0 | { |
3956 | 0 | result = 0; |
3957 | 0 | } |
3958 | 1.14k | break; |
3959 | | |
3960 | 15.9k | default: |
3961 | 15.9k | break; |
3962 | 31.4k | } |
3963 | 31.4k | if( result == 0 ) |
3964 | 302 | { |
3965 | 302 | libcerror_error_set( |
3966 | 302 | error, |
3967 | 302 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3968 | 302 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3969 | 302 | "%s: invalid 1st and 2nd UTF-8 character byte pair: 0x%02" PRIx8 " 0x%02" PRIx8 ".", |
3970 | 302 | function, |
3971 | 302 | byte_value1, |
3972 | 302 | byte_value2 ); |
3973 | | |
3974 | 302 | return( -1 ); |
3975 | 302 | } |
3976 | 31.1k | safe_unicode_character <<= 6; |
3977 | 31.1k | safe_unicode_character += byte_value2; |
3978 | | |
3979 | 31.1k | if( utf8_character_additional_bytes == 1 ) |
3980 | 6.33k | { |
3981 | 6.33k | safe_unicode_character -= 0x03080; |
3982 | 6.33k | } |
3983 | 31.1k | } |
3984 | 3.50M | if( utf8_character_additional_bytes >= 2 ) |
3985 | 24.7k | { |
3986 | 24.7k | byte_value3 = utf8_string[ safe_utf8_string_index + 2 ]; |
3987 | | |
3988 | 24.7k | if( ( byte_value3 < 0x80 ) |
3989 | 24.6k | || ( byte_value3 > 0xbf ) ) |
3990 | 335 | { |
3991 | 335 | libcerror_error_set( |
3992 | 335 | error, |
3993 | 335 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
3994 | 335 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
3995 | 335 | "%s: invalid 3rd UTF-8 character byte: 0x%02" PRIx8 ".", |
3996 | 335 | function, |
3997 | 335 | byte_value3 ); |
3998 | | |
3999 | 335 | return( -1 ); |
4000 | 335 | } |
4001 | 24.4k | result = 1; |
4002 | | |
4003 | 24.4k | switch( byte_value2 ) |
4004 | 24.4k | { |
4005 | 0 | case 0xe0: |
4006 | 0 | if( ( byte_value2 < 0xa0 ) |
4007 | 0 | || ( byte_value2 > 0xbf ) ) |
4008 | 0 | { |
4009 | 0 | result = 0; |
4010 | 0 | } |
4011 | 0 | break; |
4012 | | |
4013 | 0 | case 0xed: |
4014 | 0 | if( ( byte_value2 < 0x80 ) |
4015 | 0 | || ( byte_value2 > 0x9f ) ) |
4016 | 0 | { |
4017 | 0 | result = 0; |
4018 | 0 | } |
4019 | 0 | break; |
4020 | | |
4021 | 24.4k | default: |
4022 | 24.4k | break; |
4023 | 24.4k | } |
4024 | 24.4k | if( result == 0 ) |
4025 | 0 | { |
4026 | 0 | libcerror_error_set( |
4027 | 0 | error, |
4028 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4029 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4030 | 0 | "%s: invalid 2nd and 3rd UTF-8 character byte pair: 0x%02" PRIx8 " 0x%02" PRIx8 ".", |
4031 | 0 | function, |
4032 | 0 | byte_value2, |
4033 | 0 | byte_value3 ); |
4034 | |
|
4035 | 0 | return( -1 ); |
4036 | 0 | } |
4037 | 24.4k | safe_unicode_character <<= 6; |
4038 | 24.4k | safe_unicode_character += byte_value3; |
4039 | | |
4040 | 24.4k | if( utf8_character_additional_bytes == 2 ) |
4041 | 15.4k | { |
4042 | 15.4k | safe_unicode_character -= 0x0e2080; |
4043 | 15.4k | } |
4044 | 24.4k | } |
4045 | 3.50M | if( utf8_character_additional_bytes >= 3 ) |
4046 | 9.04k | { |
4047 | 9.04k | byte_value4 = utf8_string[ safe_utf8_string_index + 3 ]; |
4048 | | |
4049 | 9.04k | if( ( byte_value4 < 0x80 ) |
4050 | 8.97k | || ( byte_value4 > 0xbf ) ) |
4051 | 204 | { |
4052 | 204 | libcerror_error_set( |
4053 | 204 | error, |
4054 | 204 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4055 | 204 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4056 | 204 | "%s: invalid 4th UTF-8 character byte: 0x%02" PRIx8 ".", |
4057 | 204 | function, |
4058 | 204 | byte_value4 ); |
4059 | | |
4060 | 204 | return( -1 ); |
4061 | 204 | } |
4062 | 8.84k | safe_unicode_character <<= 6; |
4063 | 8.84k | safe_unicode_character += byte_value4; |
4064 | | |
4065 | 8.84k | if( utf8_character_additional_bytes == 3 ) |
4066 | 8.84k | { |
4067 | 8.84k | safe_unicode_character -= 0x03c82080; |
4068 | 8.84k | } |
4069 | 8.84k | } |
4070 | | /* Determine if the Unicode character is valid |
4071 | | */ |
4072 | 3.50M | if( ( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
4073 | 12.7k | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
4074 | 3.50M | || ( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
4075 | 66 | { |
4076 | 66 | libcerror_error_set( |
4077 | 66 | error, |
4078 | 66 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4079 | 66 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4080 | 66 | "%s: unsupported Unicode character.", |
4081 | 66 | function ); |
4082 | | |
4083 | 66 | return( -1 ); |
4084 | 66 | } |
4085 | 3.50M | *unicode_character = safe_unicode_character; |
4086 | 3.50M | *utf8_string_index = safe_utf8_string_index + 1 + utf8_character_additional_bytes; |
4087 | | |
4088 | 3.50M | return( 1 ); |
4089 | 3.50M | } |
4090 | | |
4091 | | /* Copies an Unicode character into a UTF-8 string |
4092 | | * This function supports upto U+10FFFF (4 byte UTF-8 characters) |
4093 | | * Returns 1 if successful or -1 on error |
4094 | | */ |
4095 | | int libuna_unicode_character_copy_to_utf8( |
4096 | | libuna_unicode_character_t unicode_character, |
4097 | | libuna_utf8_character_t *utf8_string, |
4098 | | size_t utf8_string_size, |
4099 | | size_t *utf8_string_index, |
4100 | | libcerror_error_t **error ) |
4101 | 3.73M | { |
4102 | 3.73M | static char *function = "libuna_unicode_character_copy_to_utf8"; |
4103 | 3.73M | size_t safe_utf8_string_index = 0; |
4104 | 3.73M | size_t utf8_character_iterator = 0; |
4105 | 3.73M | uint8_t utf8_character_additional_bytes = 0; |
4106 | 3.73M | uint8_t utf8_first_character_mark = 0; |
4107 | | |
4108 | 3.73M | if( utf8_string == NULL ) |
4109 | 0 | { |
4110 | 0 | libcerror_error_set( |
4111 | 0 | error, |
4112 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4113 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4114 | 0 | "%s: invalid UTF-8 string.", |
4115 | 0 | function ); |
4116 | |
|
4117 | 0 | return( -1 ); |
4118 | 0 | } |
4119 | 3.73M | if( utf8_string_size > (size_t) SSIZE_MAX ) |
4120 | 0 | { |
4121 | 0 | libcerror_error_set( |
4122 | 0 | error, |
4123 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4124 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4125 | 0 | "%s: invalid UTF-8 string size value exceeds maximum.", |
4126 | 0 | function ); |
4127 | |
|
4128 | 0 | return( -1 ); |
4129 | 0 | } |
4130 | 3.73M | if( utf8_string_index == NULL ) |
4131 | 0 | { |
4132 | 0 | libcerror_error_set( |
4133 | 0 | error, |
4134 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4135 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4136 | 0 | "%s: invalid UTF-8 string index.", |
4137 | 0 | function ); |
4138 | |
|
4139 | 0 | return( -1 ); |
4140 | 0 | } |
4141 | 3.73M | safe_utf8_string_index = *utf8_string_index; |
4142 | | |
4143 | 3.73M | if( safe_utf8_string_index >= utf8_string_size ) |
4144 | 471 | { |
4145 | 471 | libcerror_error_set( |
4146 | 471 | error, |
4147 | 471 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4148 | 471 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4149 | 471 | "%s: UTF-8 string too small.", |
4150 | 471 | function ); |
4151 | | |
4152 | 471 | return( -1 ); |
4153 | 471 | } |
4154 | | /* Determine if the Unicode character is valid |
4155 | | */ |
4156 | 3.73M | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
4157 | 113k | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
4158 | 3.73M | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
4159 | 0 | { |
4160 | 0 | libcerror_error_set( |
4161 | 0 | error, |
4162 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4163 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4164 | 0 | "%s: unsupported Unicode character.", |
4165 | 0 | function ); |
4166 | |
|
4167 | 0 | return( -1 ); |
4168 | 0 | } |
4169 | | /* Determine how many UTF-8 character bytes are required |
4170 | | */ |
4171 | 3.73M | if( unicode_character < 0x080 ) |
4172 | 823k | { |
4173 | 823k | utf8_character_additional_bytes = 0; |
4174 | 823k | utf8_first_character_mark = 0; |
4175 | 823k | } |
4176 | 2.90M | else if( unicode_character < 0x0800 ) |
4177 | 95.3k | { |
4178 | 95.3k | utf8_character_additional_bytes = 1; |
4179 | 95.3k | utf8_first_character_mark = 0x0c0; |
4180 | 95.3k | } |
4181 | 2.81M | else if( unicode_character < 0x010000 ) |
4182 | 2.80M | { |
4183 | 2.80M | utf8_character_additional_bytes = 2; |
4184 | 2.80M | utf8_first_character_mark = 0x0e0; |
4185 | 2.80M | } |
4186 | 4.37k | else |
4187 | 4.37k | { |
4188 | 4.37k | utf8_character_additional_bytes = 3; |
4189 | 4.37k | utf8_first_character_mark = 0x0f0; |
4190 | 4.37k | } |
4191 | | /* Convert Unicode character into UTF-8 character bytes |
4192 | | */ |
4193 | 3.73M | if( ( utf8_character_additional_bytes > utf8_string_size ) |
4194 | 3.73M | || ( safe_utf8_string_index >= ( utf8_string_size - utf8_character_additional_bytes ) ) ) |
4195 | 528 | { |
4196 | 528 | libcerror_error_set( |
4197 | 528 | error, |
4198 | 528 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4199 | 528 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4200 | 528 | "%s: UTF-8 string too small.", |
4201 | 528 | function ); |
4202 | | |
4203 | 528 | return( -1 ); |
4204 | 528 | } |
4205 | 3.73M | for( utf8_character_iterator = safe_utf8_string_index + utf8_character_additional_bytes; |
4206 | 9.45M | utf8_character_iterator > safe_utf8_string_index; |
4207 | 5.72M | utf8_character_iterator-- ) |
4208 | 5.72M | { |
4209 | 5.72M | utf8_string[ utf8_character_iterator ] = (libuna_utf8_character_t) ( ( unicode_character & 0x0bf ) | 0x080 ); |
4210 | | |
4211 | 5.72M | unicode_character >>= 6; |
4212 | 5.72M | } |
4213 | 3.73M | utf8_string[ safe_utf8_string_index ] = (libuna_utf8_character_t) ( unicode_character | utf8_first_character_mark ); |
4214 | | |
4215 | 3.73M | *utf8_string_index = safe_utf8_string_index + 1 + utf8_character_additional_bytes; |
4216 | | |
4217 | 3.73M | return( 1 ); |
4218 | 3.73M | } |
4219 | | |
4220 | | /* Determines the size of an UTF-8 character from an Unicode character |
4221 | | * This function supports upto U+7FFFFFF (6 byte UTF-8 characters) |
4222 | | * Adds the size to the UTF-8 character size value |
4223 | | * Returns 1 if successful or -1 on error |
4224 | | */ |
4225 | | int libuna_unicode_character_size_to_utf8_rfc2279( |
4226 | | libuna_unicode_character_t unicode_character, |
4227 | | size_t *utf8_character_size, |
4228 | | libcerror_error_t **error ) |
4229 | 13.8k | { |
4230 | 13.8k | static char *function = "libuna_unicode_character_size_to_utf8_rfc2279"; |
4231 | 13.8k | size_t safe_utf8_character_size = 0; |
4232 | | |
4233 | 13.8k | if( utf8_character_size == NULL ) |
4234 | 0 | { |
4235 | 0 | libcerror_error_set( |
4236 | 0 | error, |
4237 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4238 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4239 | 0 | "%s: invalid UTF-8 character size.", |
4240 | 0 | function ); |
4241 | |
|
4242 | 0 | return( -1 ); |
4243 | 0 | } |
4244 | 13.8k | if( unicode_character > LIBUNA_UCS_CHARACTER_MAX ) |
4245 | 0 | { |
4246 | 0 | libcerror_error_set( |
4247 | 0 | error, |
4248 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4249 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4250 | 0 | "%s: unsupported Unicode character.", |
4251 | 0 | function ); |
4252 | |
|
4253 | 0 | return( -1 ); |
4254 | 0 | } |
4255 | | /* RFC 3629 limits the UTF-8 character to consist of a maximum of 4 bytes |
4256 | | * while its predecessor RFC 2279 allowed up to 6 bytes |
4257 | | */ |
4258 | 13.8k | if( unicode_character < 0x00000080UL ) |
4259 | 1.95k | { |
4260 | 1.95k | safe_utf8_character_size += 1; |
4261 | 1.95k | } |
4262 | 11.8k | else if( unicode_character < 0x00000800UL ) |
4263 | 842 | { |
4264 | 842 | safe_utf8_character_size += 2; |
4265 | 842 | } |
4266 | 11.0k | else if( unicode_character < 0x00010000UL ) |
4267 | 10.9k | { |
4268 | 10.9k | safe_utf8_character_size += 3; |
4269 | 10.9k | } |
4270 | 117 | else if( unicode_character < 0x00200000UL ) |
4271 | 117 | { |
4272 | 117 | safe_utf8_character_size += 4; |
4273 | 117 | } |
4274 | 0 | else if( unicode_character < 0x04000000UL ) |
4275 | 0 | { |
4276 | 0 | safe_utf8_character_size += 5; |
4277 | 0 | } |
4278 | 0 | else |
4279 | 0 | { |
4280 | 0 | safe_utf8_character_size += 6; |
4281 | 0 | } |
4282 | 13.8k | *utf8_character_size += safe_utf8_character_size; |
4283 | | |
4284 | 13.8k | return( 1 ); |
4285 | 13.8k | } |
4286 | | |
4287 | | /* Copies an Unicode character from an UTF-8 string |
4288 | | * This function supports upto U+7FFFFFF (6 byte UTF-8 characters) |
4289 | | * Returns 1 if successful or -1 on error |
4290 | | */ |
4291 | | int libuna_unicode_character_copy_from_utf8_rfc2279( |
4292 | | libuna_unicode_character_t *unicode_character, |
4293 | | const libuna_utf8_character_t *utf8_string, |
4294 | | size_t utf8_string_size, |
4295 | | size_t *utf8_string_index, |
4296 | | libcerror_error_t **error ) |
4297 | 104k | { |
4298 | 104k | static char *function = "libuna_unicode_character_copy_from_utf8_rfc2279"; |
4299 | 104k | libuna_unicode_character_t safe_unicode_character = 0; |
4300 | 104k | size_t safe_utf8_string_index = 0; |
4301 | 104k | uint8_t byte_value1 = 0; |
4302 | 104k | uint8_t byte_value2 = 0; |
4303 | 104k | uint8_t byte_value3 = 0; |
4304 | 104k | uint8_t byte_value4 = 0; |
4305 | 104k | uint8_t byte_value5 = 0; |
4306 | 104k | uint8_t byte_value6 = 0; |
4307 | 104k | uint8_t utf8_character_additional_bytes = 0; |
4308 | | |
4309 | 104k | if( unicode_character == NULL ) |
4310 | 0 | { |
4311 | 0 | libcerror_error_set( |
4312 | 0 | error, |
4313 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4314 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4315 | 0 | "%s: invalid Unicode character.", |
4316 | 0 | function ); |
4317 | |
|
4318 | 0 | return( -1 ); |
4319 | 0 | } |
4320 | 104k | if( utf8_string == NULL ) |
4321 | 0 | { |
4322 | 0 | libcerror_error_set( |
4323 | 0 | error, |
4324 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4325 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4326 | 0 | "%s: invalid UTF-8 string.", |
4327 | 0 | function ); |
4328 | |
|
4329 | 0 | return( -1 ); |
4330 | 0 | } |
4331 | 104k | if( utf8_string_size > (size_t) SSIZE_MAX ) |
4332 | 0 | { |
4333 | 0 | libcerror_error_set( |
4334 | 0 | error, |
4335 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4336 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4337 | 0 | "%s: invalid UTF-8 string size value exceeds maximum.", |
4338 | 0 | function ); |
4339 | |
|
4340 | 0 | return( -1 ); |
4341 | 0 | } |
4342 | 104k | if( utf8_string_index == NULL ) |
4343 | 0 | { |
4344 | 0 | libcerror_error_set( |
4345 | 0 | error, |
4346 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4347 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4348 | 0 | "%s: invalid UTF-8 string index.", |
4349 | 0 | function ); |
4350 | |
|
4351 | 0 | return( -1 ); |
4352 | 0 | } |
4353 | 104k | safe_utf8_string_index = *utf8_string_index; |
4354 | | |
4355 | 104k | if( safe_utf8_string_index >= utf8_string_size ) |
4356 | 0 | { |
4357 | 0 | libcerror_error_set( |
4358 | 0 | error, |
4359 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4360 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4361 | 0 | "%s: UTF-8 string too small.", |
4362 | 0 | function ); |
4363 | |
|
4364 | 0 | return( -1 ); |
4365 | 0 | } |
4366 | | /* Determine the number of additional bytes of the UTF-8 character |
4367 | | */ |
4368 | 104k | byte_value1 = utf8_string[ safe_utf8_string_index ]; |
4369 | | |
4370 | | /* Determine the UTF-8 character and make sure it is valid |
4371 | | * RFC 3629 limits the UTF-8 character to consist of a maximum of 4 bytes |
4372 | | * while its predecessor RFC 2279 allowed up to 6 bytes |
4373 | | */ |
4374 | 104k | if( byte_value1 > 0xfd ) |
4375 | 0 | { |
4376 | 0 | libcerror_error_set( |
4377 | 0 | error, |
4378 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4379 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4380 | 0 | "%s: invalid 1st UTF-8 character byte: 0x%02" PRIx8 ".", |
4381 | 0 | function, |
4382 | 0 | byte_value1 ); |
4383 | |
|
4384 | 0 | return( -1 ); |
4385 | 0 | } |
4386 | 104k | if( byte_value1 < 0xc0 ) |
4387 | 56.2k | { |
4388 | 56.2k | utf8_character_additional_bytes = 0; |
4389 | 56.2k | } |
4390 | 48.3k | else if( byte_value1 < 0xe0 ) |
4391 | 13.1k | { |
4392 | 13.1k | utf8_character_additional_bytes = 1; |
4393 | 13.1k | } |
4394 | 35.1k | else if( byte_value1 < 0xf0 ) |
4395 | 29.8k | { |
4396 | 29.8k | utf8_character_additional_bytes = 2; |
4397 | 29.8k | } |
4398 | 5.28k | else if( byte_value1 < 0xf8 ) |
4399 | 5.28k | { |
4400 | 5.28k | utf8_character_additional_bytes = 3; |
4401 | 5.28k | } |
4402 | 0 | else if( byte_value1 < 0xfc ) |
4403 | 0 | { |
4404 | 0 | utf8_character_additional_bytes = 4; |
4405 | 0 | } |
4406 | 0 | else |
4407 | 0 | { |
4408 | 0 | utf8_character_additional_bytes = 5; |
4409 | 0 | } |
4410 | 104k | if( ( ( (size_t) utf8_character_additional_bytes + 1 ) > utf8_string_size ) |
4411 | 104k | || ( safe_utf8_string_index > ( utf8_string_size - ( utf8_character_additional_bytes + 1 ) ) ) ) |
4412 | 0 | { |
4413 | 0 | libcerror_error_set( |
4414 | 0 | error, |
4415 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4416 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4417 | 0 | "%s: missing UTF-8 character bytes.", |
4418 | 0 | function ); |
4419 | |
|
4420 | 0 | return( -1 ); |
4421 | 0 | } |
4422 | | /* Determine the UTF-8 character and make sure it is valid |
4423 | | * RFC 3629 limits the UTF-8 character to consist of a maximum of 4 bytes |
4424 | | * while its predecessor RFC 2279 allowed up to 6 bytes |
4425 | | */ |
4426 | 104k | safe_unicode_character = byte_value1; |
4427 | | |
4428 | 104k | if( utf8_character_additional_bytes == 0 ) |
4429 | 56.2k | { |
4430 | 56.2k | if( byte_value1 >= 0x80 ) |
4431 | 0 | { |
4432 | 0 | libcerror_error_set( |
4433 | 0 | error, |
4434 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4435 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4436 | 0 | "%s: invalid 1st UTF-8 character byte: 0x%02" PRIx8 ".", |
4437 | 0 | function, |
4438 | 0 | byte_value1 ); |
4439 | |
|
4440 | 0 | return( -1 ); |
4441 | 0 | } |
4442 | 56.2k | } |
4443 | 104k | if( utf8_character_additional_bytes >= 1 ) |
4444 | 48.3k | { |
4445 | 48.3k | byte_value2 = utf8_string[ safe_utf8_string_index + 1 ]; |
4446 | | |
4447 | 48.3k | if( ( byte_value2 < 0x80 ) |
4448 | 48.3k | || ( byte_value2 > 0xbf ) ) |
4449 | 0 | { |
4450 | 0 | libcerror_error_set( |
4451 | 0 | error, |
4452 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4453 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4454 | 0 | "%s: invalid 2nd UTF-8 character byte: 0x%02" PRIx8 ".", |
4455 | 0 | function, |
4456 | 0 | byte_value2 ); |
4457 | |
|
4458 | 0 | return( -1 ); |
4459 | 0 | } |
4460 | 48.3k | safe_unicode_character <<= 6; |
4461 | 48.3k | safe_unicode_character += byte_value2; |
4462 | | |
4463 | 48.3k | if( utf8_character_additional_bytes == 1 ) |
4464 | 13.1k | { |
4465 | 13.1k | safe_unicode_character -= 0x03080; |
4466 | 13.1k | } |
4467 | 48.3k | } |
4468 | 104k | if( utf8_character_additional_bytes >= 2 ) |
4469 | 35.1k | { |
4470 | 35.1k | byte_value3 = utf8_string[ safe_utf8_string_index + 2 ]; |
4471 | | |
4472 | 35.1k | if( ( byte_value3 < 0x80 ) |
4473 | 35.1k | || ( byte_value3 > 0xbf ) ) |
4474 | 0 | { |
4475 | 0 | libcerror_error_set( |
4476 | 0 | error, |
4477 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4478 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4479 | 0 | "%s: invalid 3rd UTF-8 character byte: 0x%02" PRIx8 ".", |
4480 | 0 | function, |
4481 | 0 | byte_value3 ); |
4482 | |
|
4483 | 0 | return( -1 ); |
4484 | 0 | } |
4485 | 35.1k | safe_unicode_character <<= 6; |
4486 | 35.1k | safe_unicode_character += byte_value3; |
4487 | | |
4488 | 35.1k | if( utf8_character_additional_bytes == 2 ) |
4489 | 29.8k | { |
4490 | 29.8k | safe_unicode_character -= 0x0e2080; |
4491 | 29.8k | } |
4492 | 35.1k | } |
4493 | 104k | if( utf8_character_additional_bytes >= 3 ) |
4494 | 5.28k | { |
4495 | 5.28k | byte_value4 = utf8_string[ safe_utf8_string_index + 3 ]; |
4496 | | |
4497 | 5.28k | if( ( byte_value4 < 0x80 ) |
4498 | 5.28k | || ( byte_value4 > 0xbf ) ) |
4499 | 0 | { |
4500 | 0 | libcerror_error_set( |
4501 | 0 | error, |
4502 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4503 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4504 | 0 | "%s: invalid 4th UTF-8 character byte: 0x%02" PRIx8 ".", |
4505 | 0 | function, |
4506 | 0 | byte_value4 ); |
4507 | |
|
4508 | 0 | return( -1 ); |
4509 | 0 | } |
4510 | 5.28k | safe_unicode_character <<= 6; |
4511 | 5.28k | safe_unicode_character += byte_value4; |
4512 | | |
4513 | 5.28k | if( utf8_character_additional_bytes == 3 ) |
4514 | 5.28k | { |
4515 | 5.28k | safe_unicode_character -= 0x03c82080; |
4516 | 5.28k | } |
4517 | 5.28k | } |
4518 | 104k | if( utf8_character_additional_bytes >= 4 ) |
4519 | 0 | { |
4520 | 0 | byte_value5 = utf8_string[ safe_utf8_string_index + 4 ]; |
4521 | |
|
4522 | 0 | if( ( byte_value5 < 0x80 ) |
4523 | 0 | || ( byte_value5 > 0xbf ) ) |
4524 | 0 | { |
4525 | 0 | libcerror_error_set( |
4526 | 0 | error, |
4527 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4528 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4529 | 0 | "%s: invalid 5th UTF-8 character byte: 0x%02" PRIx8 ".", |
4530 | 0 | function, |
4531 | 0 | byte_value5 ); |
4532 | |
|
4533 | 0 | return( -1 ); |
4534 | 0 | } |
4535 | 0 | safe_unicode_character <<= 6; |
4536 | 0 | safe_unicode_character += byte_value5; |
4537 | |
|
4538 | 0 | if( utf8_character_additional_bytes == 4 ) |
4539 | 0 | { |
4540 | 0 | safe_unicode_character -= 0x0fa082080; |
4541 | 0 | } |
4542 | 0 | } |
4543 | 104k | if( utf8_character_additional_bytes == 5 ) |
4544 | 0 | { |
4545 | 0 | byte_value6 = utf8_string[ safe_utf8_string_index + 5 ]; |
4546 | |
|
4547 | 0 | if( ( byte_value6 < 0x80 ) |
4548 | 0 | || ( byte_value6 > 0xbf ) ) |
4549 | 0 | { |
4550 | 0 | libcerror_error_set( |
4551 | 0 | error, |
4552 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4553 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4554 | 0 | "%s: invalid 6th UTF-8 character byte: 0x%02" PRIx8 ".", |
4555 | 0 | function, |
4556 | 0 | byte_value6 ); |
4557 | |
|
4558 | 0 | return( -1 ); |
4559 | 0 | } |
4560 | 0 | safe_unicode_character <<= 6; |
4561 | 0 | safe_unicode_character += byte_value6; |
4562 | 0 | safe_unicode_character -= 0x082082080; |
4563 | 0 | } |
4564 | | /* Determine if the Unicode character is valid |
4565 | | */ |
4566 | 104k | if( safe_unicode_character > LIBUNA_UCS_CHARACTER_MAX ) |
4567 | 0 | { |
4568 | 0 | libcerror_error_set( |
4569 | 0 | error, |
4570 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4571 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4572 | 0 | "%s: unsupported Unicode character.", |
4573 | 0 | function ); |
4574 | |
|
4575 | 0 | return( -1 ); |
4576 | 0 | } |
4577 | 104k | *unicode_character = safe_unicode_character; |
4578 | 104k | *utf8_string_index = safe_utf8_string_index + 1 + utf8_character_additional_bytes; |
4579 | | |
4580 | 104k | return( 1 ); |
4581 | 104k | } |
4582 | | |
4583 | | /* Copies an Unicode character into a UTF-8 string |
4584 | | * This function supports upto U+7FFFFFF (6 byte UTF-8 characters) |
4585 | | * Returns 1 if successful or -1 on error |
4586 | | */ |
4587 | | int libuna_unicode_character_copy_to_utf8_rfc2279( |
4588 | | libuna_unicode_character_t unicode_character, |
4589 | | libuna_utf8_character_t *utf8_string, |
4590 | | size_t utf8_string_size, |
4591 | | size_t *utf8_string_index, |
4592 | | libcerror_error_t **error ) |
4593 | 13.8k | { |
4594 | 13.8k | static char *function = "libuna_unicode_character_copy_to_utf8_rfc2279"; |
4595 | 13.8k | size_t safe_utf8_string_index = 0; |
4596 | 13.8k | size_t utf8_character_iterator = 0; |
4597 | 13.8k | uint8_t utf8_character_additional_bytes = 0; |
4598 | 13.8k | uint8_t utf8_first_character_mark = 0; |
4599 | | |
4600 | 13.8k | if( utf8_string == NULL ) |
4601 | 0 | { |
4602 | 0 | libcerror_error_set( |
4603 | 0 | error, |
4604 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4605 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4606 | 0 | "%s: invalid UTF-8 string.", |
4607 | 0 | function ); |
4608 | |
|
4609 | 0 | return( -1 ); |
4610 | 0 | } |
4611 | 13.8k | if( utf8_string_size > (size_t) SSIZE_MAX ) |
4612 | 0 | { |
4613 | 0 | libcerror_error_set( |
4614 | 0 | error, |
4615 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4616 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4617 | 0 | "%s: invalid UTF-8 string size value exceeds maximum.", |
4618 | 0 | function ); |
4619 | |
|
4620 | 0 | return( -1 ); |
4621 | 0 | } |
4622 | 13.8k | if( utf8_string_index == NULL ) |
4623 | 0 | { |
4624 | 0 | libcerror_error_set( |
4625 | 0 | error, |
4626 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4627 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4628 | 0 | "%s: invalid UTF-8 string index.", |
4629 | 0 | function ); |
4630 | |
|
4631 | 0 | return( -1 ); |
4632 | 0 | } |
4633 | 13.8k | safe_utf8_string_index = *utf8_string_index; |
4634 | | |
4635 | 13.8k | if( safe_utf8_string_index >= utf8_string_size ) |
4636 | 0 | { |
4637 | 0 | libcerror_error_set( |
4638 | 0 | error, |
4639 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4640 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4641 | 0 | "%s: UTF-8 string too small.", |
4642 | 0 | function ); |
4643 | |
|
4644 | 0 | return( -1 ); |
4645 | 0 | } |
4646 | | /* Determine if the Unicode character is valid |
4647 | | */ |
4648 | 13.8k | if( unicode_character > LIBUNA_UCS_CHARACTER_MAX ) |
4649 | 0 | { |
4650 | 0 | libcerror_error_set( |
4651 | 0 | error, |
4652 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4653 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4654 | 0 | "%s: unsupported Unicode character.", |
4655 | 0 | function ); |
4656 | |
|
4657 | 0 | return( -1 ); |
4658 | 0 | } |
4659 | | /* Determine how many UTF-8 character bytes are required |
4660 | | */ |
4661 | 13.8k | if( unicode_character < 0x080 ) |
4662 | 1.95k | { |
4663 | 1.95k | utf8_character_additional_bytes = 0; |
4664 | 1.95k | utf8_first_character_mark = 0; |
4665 | 1.95k | } |
4666 | 11.8k | else if( unicode_character < 0x0800 ) |
4667 | 842 | { |
4668 | 842 | utf8_character_additional_bytes = 1; |
4669 | 842 | utf8_first_character_mark = 0x0c0; |
4670 | 842 | } |
4671 | 11.0k | else if( unicode_character < 0x010000 ) |
4672 | 10.9k | { |
4673 | 10.9k | utf8_character_additional_bytes = 2; |
4674 | 10.9k | utf8_first_character_mark = 0x0e0; |
4675 | 10.9k | } |
4676 | 117 | else if( unicode_character < 0x0200000 ) |
4677 | 117 | { |
4678 | 117 | utf8_character_additional_bytes = 3; |
4679 | 117 | utf8_first_character_mark = 0x0f0; |
4680 | 117 | } |
4681 | 0 | else if( unicode_character < 0x0400000 ) |
4682 | 0 | { |
4683 | 0 | utf8_character_additional_bytes = 4; |
4684 | 0 | utf8_first_character_mark = 0x0f8; |
4685 | 0 | } |
4686 | 0 | else |
4687 | 0 | { |
4688 | 0 | utf8_character_additional_bytes = 5; |
4689 | 0 | utf8_first_character_mark = 0x0fc; |
4690 | 0 | } |
4691 | | /* Convert Unicode character into UTF-8 character bytes |
4692 | | */ |
4693 | 13.8k | if( ( utf8_character_additional_bytes > utf8_string_size ) |
4694 | 13.8k | || ( safe_utf8_string_index >= ( utf8_string_size - utf8_character_additional_bytes ) ) ) |
4695 | 0 | { |
4696 | 0 | libcerror_error_set( |
4697 | 0 | error, |
4698 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4699 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4700 | 0 | "%s: UTF-8 string too small.", |
4701 | 0 | function ); |
4702 | |
|
4703 | 0 | return( -1 ); |
4704 | 0 | } |
4705 | 13.8k | for( utf8_character_iterator = safe_utf8_string_index + utf8_character_additional_bytes; |
4706 | 36.8k | utf8_character_iterator > safe_utf8_string_index; |
4707 | 23.0k | utf8_character_iterator-- ) |
4708 | 23.0k | { |
4709 | 23.0k | utf8_string[ utf8_character_iterator ] = (libuna_utf8_character_t) ( ( unicode_character & 0x0bf ) | 0x080 ); |
4710 | | |
4711 | 23.0k | unicode_character >>= 6; |
4712 | 23.0k | } |
4713 | 13.8k | utf8_string[ safe_utf8_string_index ] = (libuna_utf8_character_t) ( unicode_character | utf8_first_character_mark ); |
4714 | | |
4715 | 13.8k | *utf8_string_index = safe_utf8_string_index + 1 + utf8_character_additional_bytes; |
4716 | | |
4717 | 13.8k | return( 1 ); |
4718 | 13.8k | } |
4719 | | |
4720 | | /* Determines the size of an UTF-16 character from an Unicode character |
4721 | | * Adds the size to the UTF-16 character size value |
4722 | | * Returns 1 if successful or -1 on error |
4723 | | */ |
4724 | | int libuna_unicode_character_size_to_utf16( |
4725 | | libuna_unicode_character_t unicode_character, |
4726 | | size_t *utf16_character_size, |
4727 | | libcerror_error_t **error ) |
4728 | 26.0k | { |
4729 | 26.0k | static char *function = "libuna_unicode_character_size_to_utf16"; |
4730 | | |
4731 | 26.0k | if( utf16_character_size == NULL ) |
4732 | 0 | { |
4733 | 0 | libcerror_error_set( |
4734 | 0 | error, |
4735 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4736 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4737 | 0 | "%s: invalid UTF-16 character size.", |
4738 | 0 | function ); |
4739 | |
|
4740 | 0 | return( -1 ); |
4741 | 0 | } |
4742 | 26.0k | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
4743 | 337 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
4744 | 26.0k | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
4745 | 0 | { |
4746 | 0 | libcerror_error_set( |
4747 | 0 | error, |
4748 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4749 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4750 | 0 | "%s: unsupported Unicode character.", |
4751 | 0 | function ); |
4752 | |
|
4753 | 0 | return( -1 ); |
4754 | 0 | } |
4755 | 26.0k | if( unicode_character > LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
4756 | 199 | { |
4757 | 199 | *utf16_character_size += 2; |
4758 | 199 | } |
4759 | 25.8k | else |
4760 | 25.8k | { |
4761 | 25.8k | *utf16_character_size += 1; |
4762 | 25.8k | } |
4763 | 26.0k | return( 1 ); |
4764 | 26.0k | } |
4765 | | |
4766 | | /* Copies an Unicode character from an UTF-16 string |
4767 | | * Returns 1 if successful or -1 on error |
4768 | | */ |
4769 | | int libuna_unicode_character_copy_from_utf16( |
4770 | | libuna_unicode_character_t *unicode_character, |
4771 | | const libuna_utf16_character_t *utf16_string, |
4772 | | size_t utf16_string_size, |
4773 | | size_t *utf16_string_index, |
4774 | | libcerror_error_t **error ) |
4775 | 0 | { |
4776 | 0 | static char *function = "libuna_unicode_character_copy_from_utf16"; |
4777 | 0 | libuna_unicode_character_t safe_unicode_character = 0; |
4778 | 0 | libuna_utf16_character_t utf16_surrogate = 0; |
4779 | 0 | size_t safe_utf16_string_index = 0; |
4780 | |
|
4781 | 0 | if( unicode_character == NULL ) |
4782 | 0 | { |
4783 | 0 | libcerror_error_set( |
4784 | 0 | error, |
4785 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4786 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4787 | 0 | "%s: invalid Unicode character.", |
4788 | 0 | function ); |
4789 | |
|
4790 | 0 | return( -1 ); |
4791 | 0 | } |
4792 | 0 | if( utf16_string == NULL ) |
4793 | 0 | { |
4794 | 0 | libcerror_error_set( |
4795 | 0 | error, |
4796 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4797 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4798 | 0 | "%s: invalid UTF-16 string.", |
4799 | 0 | function ); |
4800 | |
|
4801 | 0 | return( -1 ); |
4802 | 0 | } |
4803 | 0 | if( utf16_string_size > (size_t) SSIZE_MAX ) |
4804 | 0 | { |
4805 | 0 | libcerror_error_set( |
4806 | 0 | error, |
4807 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4808 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4809 | 0 | "%s: invalid UTF-16 string size value exceeds maximum.", |
4810 | 0 | function ); |
4811 | |
|
4812 | 0 | return( -1 ); |
4813 | 0 | } |
4814 | 0 | if( utf16_string_index == NULL ) |
4815 | 0 | { |
4816 | 0 | libcerror_error_set( |
4817 | 0 | error, |
4818 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4819 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4820 | 0 | "%s: invalid UTF-16 string index.", |
4821 | 0 | function ); |
4822 | |
|
4823 | 0 | return( -1 ); |
4824 | 0 | } |
4825 | 0 | safe_utf16_string_index = *utf16_string_index; |
4826 | |
|
4827 | 0 | if( safe_utf16_string_index >= utf16_string_size ) |
4828 | 0 | { |
4829 | 0 | libcerror_error_set( |
4830 | 0 | error, |
4831 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4832 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4833 | 0 | "%s: UTF-16 string too small.", |
4834 | 0 | function ); |
4835 | |
|
4836 | 0 | return( -1 ); |
4837 | 0 | } |
4838 | 0 | safe_unicode_character = utf16_string[ safe_utf16_string_index ]; |
4839 | 0 | safe_utf16_string_index += 1; |
4840 | | |
4841 | | /* Determine if the UTF-16 character is within the high surrogate range |
4842 | | */ |
4843 | 0 | if( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
4844 | 0 | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_END ) ) |
4845 | 0 | { |
4846 | 0 | if( safe_utf16_string_index >= utf16_string_size ) |
4847 | 0 | { |
4848 | 0 | libcerror_error_set( |
4849 | 0 | error, |
4850 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4851 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
4852 | 0 | "%s: missing surrogate UTF-16 character bytes.", |
4853 | 0 | function ); |
4854 | |
|
4855 | 0 | return( -1 ); |
4856 | 0 | } |
4857 | 0 | utf16_surrogate = utf16_string[ safe_utf16_string_index ]; |
4858 | 0 | safe_utf16_string_index += 1; |
4859 | | |
4860 | | /* Determine if the UTF-16 character is within the low surrogate range |
4861 | | */ |
4862 | 0 | if( ( utf16_surrogate >= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ) |
4863 | 0 | && ( utf16_surrogate <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
4864 | 0 | { |
4865 | 0 | safe_unicode_character -= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START; |
4866 | 0 | safe_unicode_character <<= 10; |
4867 | 0 | safe_unicode_character += utf16_surrogate - LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START; |
4868 | 0 | safe_unicode_character += 0x010000; |
4869 | 0 | } |
4870 | 0 | else |
4871 | 0 | { |
4872 | 0 | libcerror_error_set( |
4873 | 0 | error, |
4874 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4875 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4876 | 0 | "%s: unsupported low surrogate UTF-16 character.", |
4877 | 0 | function ); |
4878 | |
|
4879 | 0 | return( -1 ); |
4880 | 0 | } |
4881 | 0 | } |
4882 | | /* Determine if the Unicode character is valid |
4883 | | */ |
4884 | 0 | if( ( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
4885 | 0 | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
4886 | 0 | || ( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
4887 | 0 | { |
4888 | 0 | libcerror_error_set( |
4889 | 0 | error, |
4890 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4891 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4892 | 0 | "%s: unsupported Unicode character.", |
4893 | 0 | function ); |
4894 | |
|
4895 | 0 | return( -1 ); |
4896 | 0 | } |
4897 | 0 | *unicode_character = safe_unicode_character; |
4898 | 0 | *utf16_string_index = safe_utf16_string_index; |
4899 | |
|
4900 | 0 | return( 1 ); |
4901 | 0 | } |
4902 | | |
4903 | | /* Copies an Unicode character into a UTF-16 string |
4904 | | * Returns 1 if successful or -1 on error |
4905 | | */ |
4906 | | int libuna_unicode_character_copy_to_utf16( |
4907 | | libuna_unicode_character_t unicode_character, |
4908 | | libuna_utf16_character_t *utf16_string, |
4909 | | size_t utf16_string_size, |
4910 | | size_t *utf16_string_index, |
4911 | | libcerror_error_t **error ) |
4912 | 6.57k | { |
4913 | 6.57k | static char *function = "libuna_unicode_character_copy_to_utf16"; |
4914 | 6.57k | size_t safe_utf16_string_index = 0; |
4915 | | |
4916 | 6.57k | if( utf16_string == NULL ) |
4917 | 0 | { |
4918 | 0 | libcerror_error_set( |
4919 | 0 | error, |
4920 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4921 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4922 | 0 | "%s: invalid UTF-16 string.", |
4923 | 0 | function ); |
4924 | |
|
4925 | 0 | return( -1 ); |
4926 | 0 | } |
4927 | 6.57k | if( utf16_string_size > (size_t) SSIZE_MAX ) |
4928 | 0 | { |
4929 | 0 | libcerror_error_set( |
4930 | 0 | error, |
4931 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4932 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
4933 | 0 | "%s: invalid UTF-16 string size value exceeds maximum.", |
4934 | 0 | function ); |
4935 | |
|
4936 | 0 | return( -1 ); |
4937 | 0 | } |
4938 | 6.57k | if( utf16_string_index == NULL ) |
4939 | 0 | { |
4940 | 0 | libcerror_error_set( |
4941 | 0 | error, |
4942 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4943 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
4944 | 0 | "%s: invalid UTF-16 string index.", |
4945 | 0 | function ); |
4946 | |
|
4947 | 0 | return( -1 ); |
4948 | 0 | } |
4949 | 6.57k | safe_utf16_string_index = *utf16_string_index; |
4950 | | |
4951 | 6.57k | if( safe_utf16_string_index >= utf16_string_size ) |
4952 | 0 | { |
4953 | 0 | libcerror_error_set( |
4954 | 0 | error, |
4955 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4956 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4957 | 0 | "%s: UTF-16 string too small.", |
4958 | 0 | function ); |
4959 | |
|
4960 | 0 | return( -1 ); |
4961 | 0 | } |
4962 | | /* Determine if the Unicode character is valid |
4963 | | */ |
4964 | 6.57k | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
4965 | 928 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
4966 | 6.57k | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
4967 | 0 | { |
4968 | 0 | libcerror_error_set( |
4969 | 0 | error, |
4970 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
4971 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
4972 | 0 | "%s: unsupported Unicode character.", |
4973 | 0 | function ); |
4974 | |
|
4975 | 0 | return( -1 ); |
4976 | 0 | } |
4977 | 6.57k | if( unicode_character <= LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
4978 | 6.33k | { |
4979 | 6.33k | utf16_string[ safe_utf16_string_index++ ] = (libuna_utf16_character_t) unicode_character; |
4980 | 6.33k | } |
4981 | 243 | else |
4982 | 243 | { |
4983 | 243 | if( ( utf16_string_size < 2 ) |
4984 | 243 | || ( safe_utf16_string_index > ( utf16_string_size - 2 ) ) ) |
4985 | 0 | { |
4986 | 0 | libcerror_error_set( |
4987 | 0 | error, |
4988 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
4989 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
4990 | 0 | "%s: UTF-16 string too small.", |
4991 | 0 | function ); |
4992 | |
|
4993 | 0 | return( -1 ); |
4994 | 0 | } |
4995 | 243 | unicode_character -= 0x010000; |
4996 | 243 | utf16_string[ safe_utf16_string_index++ ] = (libuna_utf16_character_t) ( ( unicode_character >> 10 ) + LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ); |
4997 | 243 | utf16_string[ safe_utf16_string_index++ ] = (libuna_utf16_character_t) ( ( unicode_character & 0x03ff ) + LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ); |
4998 | 243 | } |
4999 | 6.57k | *utf16_string_index = safe_utf16_string_index; |
5000 | | |
5001 | 6.57k | return( 1 ); |
5002 | 6.57k | } |
5003 | | |
5004 | | /* Copies an Unicode character from an UTF-16 stream |
5005 | | * Returns 1 if successful or -1 on error |
5006 | | */ |
5007 | | int libuna_unicode_character_copy_from_utf16_stream( |
5008 | | libuna_unicode_character_t *unicode_character, |
5009 | | const uint8_t *utf16_stream, |
5010 | | size_t utf16_stream_size, |
5011 | | size_t *utf16_stream_index, |
5012 | | int byte_order, |
5013 | | libcerror_error_t **error ) |
5014 | 11.2M | { |
5015 | 11.2M | static char *function = "libuna_unicode_character_copy_from_utf16_stream"; |
5016 | 11.2M | libuna_unicode_character_t safe_unicode_character = 0; |
5017 | 11.2M | libuna_utf16_character_t utf16_surrogate = 0; |
5018 | 11.2M | size_t safe_utf16_stream_index = 0; |
5019 | 11.2M | int byte_order_without_flags = 0; |
5020 | | |
5021 | 11.2M | if( unicode_character == NULL ) |
5022 | 0 | { |
5023 | 0 | libcerror_error_set( |
5024 | 0 | error, |
5025 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5026 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5027 | 0 | "%s: invalid Unicode character.", |
5028 | 0 | function ); |
5029 | |
|
5030 | 0 | return( -1 ); |
5031 | 0 | } |
5032 | 11.2M | if( utf16_stream == NULL ) |
5033 | 0 | { |
5034 | 0 | libcerror_error_set( |
5035 | 0 | error, |
5036 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5037 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5038 | 0 | "%s: invalid UTF-16 stream.", |
5039 | 0 | function ); |
5040 | |
|
5041 | 0 | return( -1 ); |
5042 | 0 | } |
5043 | 11.2M | if( utf16_stream_size > (size_t) SSIZE_MAX ) |
5044 | 0 | { |
5045 | 0 | libcerror_error_set( |
5046 | 0 | error, |
5047 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5048 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5049 | 0 | "%s: invalid UTF-16 stream size value exceeds maximum.", |
5050 | 0 | function ); |
5051 | |
|
5052 | 0 | return( -1 ); |
5053 | 0 | } |
5054 | 11.2M | if( utf16_stream_index == NULL ) |
5055 | 0 | { |
5056 | 0 | libcerror_error_set( |
5057 | 0 | error, |
5058 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5059 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5060 | 0 | "%s: invalid UTF-16 stream index.", |
5061 | 0 | function ); |
5062 | |
|
5063 | 0 | return( -1 ); |
5064 | 0 | } |
5065 | 11.2M | byte_order_without_flags = byte_order & 0xff; |
5066 | | |
5067 | 11.2M | if( ( byte_order_without_flags != LIBUNA_ENDIAN_BIG ) |
5068 | 7.56M | && ( byte_order_without_flags != LIBUNA_ENDIAN_LITTLE ) ) |
5069 | 0 | { |
5070 | 0 | libcerror_error_set( |
5071 | 0 | error, |
5072 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5073 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
5074 | 0 | "%s: unsupported byte order.", |
5075 | 0 | function ); |
5076 | |
|
5077 | 0 | return( -1 ); |
5078 | 0 | } |
5079 | 11.2M | safe_utf16_stream_index = *utf16_stream_index; |
5080 | | |
5081 | 11.2M | if( ( utf16_stream_size < 2 ) |
5082 | 11.2M | || ( safe_utf16_stream_index > ( utf16_stream_size - 2 ) ) ) |
5083 | 91 | { |
5084 | 91 | libcerror_error_set( |
5085 | 91 | error, |
5086 | 91 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5087 | 91 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5088 | 91 | "%s: UTF-16 stream too small.", |
5089 | 91 | function ); |
5090 | | |
5091 | 91 | return( -1 ); |
5092 | 91 | } |
5093 | 11.2M | if( byte_order_without_flags == LIBUNA_ENDIAN_BIG ) |
5094 | 3.67M | { |
5095 | 3.67M | safe_unicode_character = utf16_stream[ safe_utf16_stream_index ]; |
5096 | 3.67M | safe_unicode_character <<= 8; |
5097 | 3.67M | safe_unicode_character += utf16_stream[ safe_utf16_stream_index + 1 ]; |
5098 | 3.67M | } |
5099 | 7.56M | else if( byte_order_without_flags == LIBUNA_ENDIAN_LITTLE ) |
5100 | 7.56M | { |
5101 | 7.56M | safe_unicode_character = utf16_stream[ safe_utf16_stream_index + 1 ]; |
5102 | 7.56M | safe_unicode_character <<= 8; |
5103 | 7.56M | safe_unicode_character += utf16_stream[ safe_utf16_stream_index ]; |
5104 | 7.56M | } |
5105 | 11.2M | safe_utf16_stream_index += 2; |
5106 | | |
5107 | | /* Determine if the Unicode character is valid |
5108 | | */ |
5109 | 11.2M | if( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ) |
5110 | 832k | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5111 | 2.09k | { |
5112 | 2.09k | if( ( byte_order & LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE ) == 0 ) |
5113 | 692 | { |
5114 | 692 | libcerror_error_set( |
5115 | 692 | error, |
5116 | 692 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5117 | 692 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5118 | 692 | "%s: unsupported UTF-16 character.", |
5119 | 692 | function ); |
5120 | | |
5121 | 692 | return( -1 ); |
5122 | 692 | } |
5123 | 2.09k | } |
5124 | | /* Determine if the UTF-16 character is within the high surrogate range |
5125 | | */ |
5126 | 11.2M | if( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5127 | 936k | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_END ) ) |
5128 | 104k | { |
5129 | 104k | if( safe_utf16_stream_index > ( utf16_stream_size - 2 ) ) |
5130 | 101 | { |
5131 | 101 | if( ( byte_order & LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE ) == 0 ) |
5132 | 49 | { |
5133 | 49 | libcerror_error_set( |
5134 | 49 | error, |
5135 | 49 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5136 | 49 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5137 | 49 | "%s: missing surrogate UTF-16 character bytes.", |
5138 | 49 | function ); |
5139 | | |
5140 | 49 | return( -1 ); |
5141 | 49 | } |
5142 | 101 | } |
5143 | 104k | else |
5144 | 104k | { |
5145 | 104k | if( byte_order_without_flags == LIBUNA_ENDIAN_BIG ) |
5146 | 86.8k | { |
5147 | 86.8k | utf16_surrogate = utf16_stream[ safe_utf16_stream_index ]; |
5148 | 86.8k | utf16_surrogate <<= 8; |
5149 | 86.8k | utf16_surrogate += utf16_stream[ safe_utf16_stream_index + 1 ]; |
5150 | 86.8k | } |
5151 | 17.9k | else if( byte_order_without_flags == LIBUNA_ENDIAN_LITTLE ) |
5152 | 17.9k | { |
5153 | 17.9k | utf16_surrogate = utf16_stream[ safe_utf16_stream_index + 1 ]; |
5154 | 17.9k | utf16_surrogate <<= 8; |
5155 | 17.9k | utf16_surrogate += utf16_stream[ safe_utf16_stream_index ]; |
5156 | 17.9k | } |
5157 | | /* Determine if the UTF-16 character is within the low surrogate range |
5158 | | */ |
5159 | 104k | if( ( utf16_surrogate >= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ) |
5160 | 101k | && ( utf16_surrogate <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5161 | 100k | { |
5162 | 100k | safe_unicode_character -= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START; |
5163 | 100k | safe_unicode_character <<= 10; |
5164 | 100k | safe_unicode_character += utf16_surrogate - LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START; |
5165 | 100k | safe_unicode_character += 0x010000; |
5166 | | |
5167 | 100k | safe_utf16_stream_index += 2; |
5168 | 100k | } |
5169 | 3.95k | else if( ( byte_order & LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE ) == 0 ) |
5170 | 744 | { |
5171 | 744 | libcerror_error_set( |
5172 | 744 | error, |
5173 | 744 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5174 | 744 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5175 | 744 | "%s: unsupported low surrogate UTF-16 character.", |
5176 | 744 | function ); |
5177 | | |
5178 | 744 | return( -1 ); |
5179 | 744 | } |
5180 | 104k | } |
5181 | 104k | } |
5182 | 11.2M | if( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) |
5183 | 0 | { |
5184 | 0 | libcerror_error_set( |
5185 | 0 | error, |
5186 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5187 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5188 | 0 | "%s: unsupported Unicode character.", |
5189 | 0 | function ); |
5190 | |
|
5191 | 0 | return( -1 ); |
5192 | 0 | } |
5193 | 11.2M | *unicode_character = safe_unicode_character; |
5194 | 11.2M | *utf16_stream_index = safe_utf16_stream_index; |
5195 | | |
5196 | 11.2M | return( 1 ); |
5197 | 11.2M | } |
5198 | | |
5199 | | /* Copies an Unicode character to an UTF-16 stream |
5200 | | * Returns 1 if successful or -1 on error |
5201 | | */ |
5202 | | int libuna_unicode_character_copy_to_utf16_stream( |
5203 | | libuna_unicode_character_t unicode_character, |
5204 | | uint8_t *utf16_stream, |
5205 | | size_t utf16_stream_size, |
5206 | | size_t *utf16_stream_index, |
5207 | | int byte_order, |
5208 | | libcerror_error_t **error ) |
5209 | 21.6k | { |
5210 | 21.6k | static char *function = "libuna_unicode_character_copy_to_utf16_stream"; |
5211 | 21.6k | libuna_utf16_character_t utf16_surrogate = 0; |
5212 | 21.6k | size_t safe_utf16_stream_index = 0; |
5213 | 21.6k | int byte_order_without_flags = 0; |
5214 | | |
5215 | 21.6k | if( utf16_stream == NULL ) |
5216 | 0 | { |
5217 | 0 | libcerror_error_set( |
5218 | 0 | error, |
5219 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5220 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5221 | 0 | "%s: invalid UTF-16 stream.", |
5222 | 0 | function ); |
5223 | |
|
5224 | 0 | return( -1 ); |
5225 | 0 | } |
5226 | 21.6k | if( utf16_stream_size > (size_t) SSIZE_MAX ) |
5227 | 0 | { |
5228 | 0 | libcerror_error_set( |
5229 | 0 | error, |
5230 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5231 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5232 | 0 | "%s: invalid UTF-16 stream size value exceeds maximum.", |
5233 | 0 | function ); |
5234 | |
|
5235 | 0 | return( -1 ); |
5236 | 0 | } |
5237 | 21.6k | if( utf16_stream_index == NULL ) |
5238 | 0 | { |
5239 | 0 | libcerror_error_set( |
5240 | 0 | error, |
5241 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5242 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5243 | 0 | "%s: invalid UTF-16 stream index.", |
5244 | 0 | function ); |
5245 | |
|
5246 | 0 | return( -1 ); |
5247 | 0 | } |
5248 | 21.6k | byte_order_without_flags = byte_order & 0xff; |
5249 | | |
5250 | 21.6k | if( ( byte_order_without_flags != LIBUNA_ENDIAN_BIG ) |
5251 | 21.6k | && ( byte_order_without_flags != LIBUNA_ENDIAN_LITTLE ) ) |
5252 | 0 | { |
5253 | 0 | libcerror_error_set( |
5254 | 0 | error, |
5255 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5256 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
5257 | 0 | "%s: unsupported byte order.", |
5258 | 0 | function ); |
5259 | |
|
5260 | 0 | return( -1 ); |
5261 | 0 | } |
5262 | 21.6k | safe_utf16_stream_index = *utf16_stream_index; |
5263 | | |
5264 | | /* Determine if the Unicode character is valid |
5265 | | */ |
5266 | 21.6k | if( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) |
5267 | 0 | { |
5268 | 0 | libcerror_error_set( |
5269 | 0 | error, |
5270 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5271 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5272 | 0 | "%s: unsupported Unicode character.", |
5273 | 0 | function ); |
5274 | |
|
5275 | 0 | return( -1 ); |
5276 | 0 | } |
5277 | 21.6k | if( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5278 | 0 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5279 | 0 | { |
5280 | 0 | if( ( byte_order & LIBUNA_UTF16_STREAM_ALLOW_UNPAIRED_SURROGATE ) == 0 ) |
5281 | 0 | { |
5282 | 0 | libcerror_error_set( |
5283 | 0 | error, |
5284 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5285 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5286 | 0 | "%s: unsupported Unicode character.", |
5287 | 0 | function ); |
5288 | |
|
5289 | 0 | return( -1 ); |
5290 | 0 | } |
5291 | 0 | } |
5292 | 21.6k | if( unicode_character <= LIBUNA_UNICODE_BASIC_MULTILINGUAL_PLANE_MAX ) |
5293 | 21.6k | { |
5294 | 21.6k | if( ( utf16_stream_size < 2 ) |
5295 | 21.6k | || ( safe_utf16_stream_index > ( utf16_stream_size - 2 ) ) ) |
5296 | 0 | { |
5297 | 0 | libcerror_error_set( |
5298 | 0 | error, |
5299 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5300 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5301 | 0 | "%s: UTF-16 stream too small.", |
5302 | 0 | function ); |
5303 | |
|
5304 | 0 | return( -1 ); |
5305 | 0 | } |
5306 | 21.6k | if( byte_order == LIBUNA_ENDIAN_BIG ) |
5307 | 0 | { |
5308 | 0 | utf16_stream[ safe_utf16_stream_index + 1 ] = (uint8_t) ( unicode_character & 0xff ); |
5309 | 0 | unicode_character >>= 8; |
5310 | 0 | utf16_stream[ safe_utf16_stream_index ] = (uint8_t) ( unicode_character & 0xff ); |
5311 | 0 | } |
5312 | 21.6k | else if( byte_order == LIBUNA_ENDIAN_LITTLE ) |
5313 | 21.6k | { |
5314 | 21.6k | utf16_stream[ safe_utf16_stream_index ] = (uint8_t) ( unicode_character & 0xff ); |
5315 | 21.6k | unicode_character >>= 8; |
5316 | 21.6k | utf16_stream[ safe_utf16_stream_index + 1 ] = (uint8_t) ( unicode_character & 0xff ); |
5317 | 21.6k | } |
5318 | 21.6k | safe_utf16_stream_index += 2; |
5319 | 21.6k | } |
5320 | 0 | else |
5321 | 0 | { |
5322 | 0 | if( ( utf16_stream_size < 4 ) |
5323 | 0 | || ( safe_utf16_stream_index > ( utf16_stream_size - 4 ) ) ) |
5324 | 0 | { |
5325 | 0 | libcerror_error_set( |
5326 | 0 | error, |
5327 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5328 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5329 | 0 | "%s: UTF-16 stream too small.", |
5330 | 0 | function ); |
5331 | |
|
5332 | 0 | return( -1 ); |
5333 | 0 | } |
5334 | 0 | unicode_character -= 0x010000; |
5335 | |
|
5336 | 0 | utf16_surrogate = (libuna_utf16_character_t) ( ( unicode_character >> 10 ) + LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ); |
5337 | |
|
5338 | 0 | if( byte_order == LIBUNA_ENDIAN_BIG ) |
5339 | 0 | { |
5340 | 0 | utf16_stream[ safe_utf16_stream_index + 1 ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5341 | 0 | utf16_surrogate >>= 8; |
5342 | 0 | utf16_stream[ safe_utf16_stream_index ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5343 | 0 | } |
5344 | 0 | else if( byte_order == LIBUNA_ENDIAN_LITTLE ) |
5345 | 0 | { |
5346 | 0 | utf16_stream[ safe_utf16_stream_index ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5347 | 0 | utf16_surrogate >>= 8; |
5348 | 0 | utf16_stream[ safe_utf16_stream_index + 1 ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5349 | 0 | } |
5350 | 0 | safe_utf16_stream_index += 2; |
5351 | |
|
5352 | 0 | utf16_surrogate = (libuna_utf16_character_t) ( ( unicode_character & 0x03ff ) + LIBUNA_UNICODE_SURROGATE_LOW_RANGE_START ); |
5353 | |
|
5354 | 0 | if( byte_order == LIBUNA_ENDIAN_BIG ) |
5355 | 0 | { |
5356 | 0 | utf16_stream[ safe_utf16_stream_index + 1 ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5357 | 0 | utf16_surrogate >>= 8; |
5358 | 0 | utf16_stream[ safe_utf16_stream_index ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5359 | 0 | } |
5360 | 0 | else if( byte_order == LIBUNA_ENDIAN_LITTLE ) |
5361 | 0 | { |
5362 | 0 | utf16_stream[ safe_utf16_stream_index ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5363 | 0 | utf16_surrogate >>= 8; |
5364 | 0 | utf16_stream[ safe_utf16_stream_index + 1 ] = (uint8_t) ( utf16_surrogate & 0xff ); |
5365 | 0 | } |
5366 | 0 | safe_utf16_stream_index += 2; |
5367 | 0 | } |
5368 | 21.6k | *utf16_stream_index = safe_utf16_stream_index; |
5369 | | |
5370 | 21.6k | return( 1 ); |
5371 | 21.6k | } |
5372 | | |
5373 | | /* Determines the size of an UTF-32 character from an Unicode character |
5374 | | * Adds the size to the UTF-32 character size value |
5375 | | * Returns 1 if successful or -1 on error |
5376 | | */ |
5377 | | int libuna_unicode_character_size_to_utf32( |
5378 | | libuna_unicode_character_t unicode_character, |
5379 | | size_t *utf32_character_size, |
5380 | | libcerror_error_t **error ) |
5381 | 0 | { |
5382 | 0 | static char *function = "libuna_unicode_character_size_to_utf32"; |
5383 | |
|
5384 | 0 | LIBUNA_UNREFERENCED_PARAMETER( unicode_character ) |
5385 | |
|
5386 | 0 | if( utf32_character_size == NULL ) |
5387 | 0 | { |
5388 | 0 | libcerror_error_set( |
5389 | 0 | error, |
5390 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5391 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5392 | 0 | "%s: invalid UTF-32 character size.", |
5393 | 0 | function ); |
5394 | |
|
5395 | 0 | return( -1 ); |
5396 | 0 | } |
5397 | 0 | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5398 | 0 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5399 | 0 | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
5400 | 0 | { |
5401 | 0 | libcerror_error_set( |
5402 | 0 | error, |
5403 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5404 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5405 | 0 | "%s: unsupported Unicode character.", |
5406 | 0 | function ); |
5407 | |
|
5408 | 0 | return( -1 ); |
5409 | 0 | } |
5410 | 0 | *utf32_character_size += 1; |
5411 | |
|
5412 | 0 | return( 1 ); |
5413 | 0 | } |
5414 | | |
5415 | | /* Copies an Unicode character from an UTF-32 string |
5416 | | * Returns 1 if successful or -1 on error |
5417 | | */ |
5418 | | int libuna_unicode_character_copy_from_utf32( |
5419 | | libuna_unicode_character_t *unicode_character, |
5420 | | const libuna_utf32_character_t *utf32_string, |
5421 | | size_t utf32_string_size, |
5422 | | size_t *utf32_string_index, |
5423 | | libcerror_error_t **error ) |
5424 | 0 | { |
5425 | 0 | static char *function = "libuna_unicode_character_copy_from_utf32"; |
5426 | 0 | libuna_unicode_character_t safe_unicode_character = 0; |
5427 | 0 | size_t safe_utf32_string_index = 0; |
5428 | |
|
5429 | 0 | if( unicode_character == NULL ) |
5430 | 0 | { |
5431 | 0 | libcerror_error_set( |
5432 | 0 | error, |
5433 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5434 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5435 | 0 | "%s: invalid Unicode character.", |
5436 | 0 | function ); |
5437 | |
|
5438 | 0 | return( -1 ); |
5439 | 0 | } |
5440 | 0 | if( utf32_string == NULL ) |
5441 | 0 | { |
5442 | 0 | libcerror_error_set( |
5443 | 0 | error, |
5444 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5445 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5446 | 0 | "%s: invalid UTF-32 string.", |
5447 | 0 | function ); |
5448 | |
|
5449 | 0 | return( -1 ); |
5450 | 0 | } |
5451 | 0 | if( utf32_string_size > (size_t) SSIZE_MAX ) |
5452 | 0 | { |
5453 | 0 | libcerror_error_set( |
5454 | 0 | error, |
5455 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5456 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5457 | 0 | "%s: invalid UTF-32 string size value exceeds maximum.", |
5458 | 0 | function ); |
5459 | |
|
5460 | 0 | return( -1 ); |
5461 | 0 | } |
5462 | 0 | if( utf32_string_index == NULL ) |
5463 | 0 | { |
5464 | 0 | libcerror_error_set( |
5465 | 0 | error, |
5466 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5467 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5468 | 0 | "%s: invalid UTF-32 string index.", |
5469 | 0 | function ); |
5470 | |
|
5471 | 0 | return( -1 ); |
5472 | 0 | } |
5473 | 0 | safe_utf32_string_index = *utf32_string_index; |
5474 | |
|
5475 | 0 | if( safe_utf32_string_index >= utf32_string_size ) |
5476 | 0 | { |
5477 | 0 | libcerror_error_set( |
5478 | 0 | error, |
5479 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5480 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5481 | 0 | "%s: UTF-32 string too small.", |
5482 | 0 | function ); |
5483 | |
|
5484 | 0 | return( -1 ); |
5485 | 0 | } |
5486 | 0 | safe_unicode_character = utf32_string[ safe_utf32_string_index ]; |
5487 | | |
5488 | | /* Determine if the Unicode character is valid |
5489 | | */ |
5490 | 0 | if( ( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5491 | 0 | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5492 | 0 | || ( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
5493 | 0 | { |
5494 | 0 | libcerror_error_set( |
5495 | 0 | error, |
5496 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5497 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5498 | 0 | "%s: unsupported Unicode character.", |
5499 | 0 | function ); |
5500 | |
|
5501 | 0 | return( -1 ); |
5502 | 0 | } |
5503 | 0 | *unicode_character = safe_unicode_character; |
5504 | 0 | *utf32_string_index = safe_utf32_string_index + 1; |
5505 | |
|
5506 | 0 | return( 1 ); |
5507 | 0 | } |
5508 | | |
5509 | | /* Copies an Unicode character into a UTF-32 string |
5510 | | * Returns 1 if successful or -1 on error |
5511 | | */ |
5512 | | int libuna_unicode_character_copy_to_utf32( |
5513 | | libuna_unicode_character_t unicode_character, |
5514 | | libuna_utf32_character_t *utf32_string, |
5515 | | size_t utf32_string_size, |
5516 | | size_t *utf32_string_index, |
5517 | | libcerror_error_t **error ) |
5518 | 0 | { |
5519 | 0 | static char *function = "libuna_unicode_character_copy_to_utf32"; |
5520 | 0 | size_t safe_utf32_string_index = 0; |
5521 | |
|
5522 | 0 | if( utf32_string == NULL ) |
5523 | 0 | { |
5524 | 0 | libcerror_error_set( |
5525 | 0 | error, |
5526 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5527 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5528 | 0 | "%s: invalid UTF-32 string.", |
5529 | 0 | function ); |
5530 | |
|
5531 | 0 | return( -1 ); |
5532 | 0 | } |
5533 | 0 | if( utf32_string_size > (size_t) SSIZE_MAX ) |
5534 | 0 | { |
5535 | 0 | libcerror_error_set( |
5536 | 0 | error, |
5537 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5538 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5539 | 0 | "%s: invalid UTF-32 string size value exceeds maximum.", |
5540 | 0 | function ); |
5541 | |
|
5542 | 0 | return( -1 ); |
5543 | 0 | } |
5544 | 0 | if( utf32_string_index == NULL ) |
5545 | 0 | { |
5546 | 0 | libcerror_error_set( |
5547 | 0 | error, |
5548 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5549 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5550 | 0 | "%s: invalid UTF-32 string index.", |
5551 | 0 | function ); |
5552 | |
|
5553 | 0 | return( -1 ); |
5554 | 0 | } |
5555 | 0 | safe_utf32_string_index = *utf32_string_index; |
5556 | |
|
5557 | 0 | if( safe_utf32_string_index >= utf32_string_size ) |
5558 | 0 | { |
5559 | 0 | libcerror_error_set( |
5560 | 0 | error, |
5561 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5562 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5563 | 0 | "%s: UTF-32 string too small.", |
5564 | 0 | function ); |
5565 | |
|
5566 | 0 | return( -1 ); |
5567 | 0 | } |
5568 | | /* Determine if the Unicode character is valid |
5569 | | */ |
5570 | 0 | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5571 | 0 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5572 | 0 | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
5573 | 0 | { |
5574 | 0 | libcerror_error_set( |
5575 | 0 | error, |
5576 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5577 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5578 | 0 | "%s: unsupported Unicode character.", |
5579 | 0 | function ); |
5580 | |
|
5581 | 0 | return( -1 ); |
5582 | 0 | } |
5583 | 0 | utf32_string[ safe_utf32_string_index ] = (libuna_utf32_character_t) unicode_character; |
5584 | |
|
5585 | 0 | *utf32_string_index = safe_utf32_string_index + 1; |
5586 | |
|
5587 | 0 | return( 1 ); |
5588 | 0 | } |
5589 | | |
5590 | | /* Copies an Unicode character from an UTF-32 stream |
5591 | | * Returns 1 if successful or -1 on error |
5592 | | */ |
5593 | | int libuna_unicode_character_copy_from_utf32_stream( |
5594 | | libuna_unicode_character_t *unicode_character, |
5595 | | const uint8_t *utf32_stream, |
5596 | | size_t utf32_stream_size, |
5597 | | size_t *utf32_stream_index, |
5598 | | int byte_order, |
5599 | | libcerror_error_t **error ) |
5600 | 0 | { |
5601 | 0 | static char *function = "libuna_unicode_character_copy_from_utf32_stream"; |
5602 | 0 | libuna_unicode_character_t safe_unicode_character = 0; |
5603 | 0 | size_t safe_utf32_stream_index = 0; |
5604 | |
|
5605 | 0 | if( unicode_character == NULL ) |
5606 | 0 | { |
5607 | 0 | libcerror_error_set( |
5608 | 0 | error, |
5609 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5610 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5611 | 0 | "%s: invalid Unicode character.", |
5612 | 0 | function ); |
5613 | |
|
5614 | 0 | return( -1 ); |
5615 | 0 | } |
5616 | 0 | if( utf32_stream == NULL ) |
5617 | 0 | { |
5618 | 0 | libcerror_error_set( |
5619 | 0 | error, |
5620 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5621 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5622 | 0 | "%s: invalid UTF-32 stream.", |
5623 | 0 | function ); |
5624 | |
|
5625 | 0 | return( -1 ); |
5626 | 0 | } |
5627 | 0 | if( utf32_stream_size > (size_t) SSIZE_MAX ) |
5628 | 0 | { |
5629 | 0 | libcerror_error_set( |
5630 | 0 | error, |
5631 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5632 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5633 | 0 | "%s: invalid UTF-32 stream size value exceeds maximum.", |
5634 | 0 | function ); |
5635 | |
|
5636 | 0 | return( -1 ); |
5637 | 0 | } |
5638 | 0 | if( utf32_stream_index == NULL ) |
5639 | 0 | { |
5640 | 0 | libcerror_error_set( |
5641 | 0 | error, |
5642 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5643 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5644 | 0 | "%s: invalid UTF-32 stream index.", |
5645 | 0 | function ); |
5646 | |
|
5647 | 0 | return( -1 ); |
5648 | 0 | } |
5649 | 0 | safe_utf32_stream_index = *utf32_stream_index; |
5650 | |
|
5651 | 0 | if( ( utf32_stream_size < 4 ) |
5652 | 0 | || ( safe_utf32_stream_index > ( utf32_stream_size - 4 ) ) ) |
5653 | 0 | { |
5654 | 0 | libcerror_error_set( |
5655 | 0 | error, |
5656 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5657 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5658 | 0 | "%s: UTF-32 stream too small.", |
5659 | 0 | function ); |
5660 | |
|
5661 | 0 | return( -1 ); |
5662 | 0 | } |
5663 | 0 | if( ( byte_order != LIBUNA_ENDIAN_BIG ) |
5664 | 0 | && ( byte_order != LIBUNA_ENDIAN_LITTLE ) ) |
5665 | 0 | { |
5666 | 0 | libcerror_error_set( |
5667 | 0 | error, |
5668 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5669 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
5670 | 0 | "%s: unsupported byte order.", |
5671 | 0 | function ); |
5672 | |
|
5673 | 0 | return( -1 ); |
5674 | 0 | } |
5675 | 0 | if( byte_order == LIBUNA_ENDIAN_BIG ) |
5676 | 0 | { |
5677 | 0 | safe_unicode_character = utf32_stream[ safe_utf32_stream_index ]; |
5678 | 0 | safe_unicode_character <<= 8; |
5679 | 0 | safe_unicode_character += utf32_stream[ safe_utf32_stream_index + 1 ]; |
5680 | 0 | safe_unicode_character <<= 8; |
5681 | 0 | safe_unicode_character += utf32_stream[ safe_utf32_stream_index + 2 ]; |
5682 | 0 | safe_unicode_character <<= 8; |
5683 | 0 | safe_unicode_character += utf32_stream[ safe_utf32_stream_index + 3 ]; |
5684 | 0 | } |
5685 | 0 | else if( byte_order == LIBUNA_ENDIAN_LITTLE ) |
5686 | 0 | { |
5687 | 0 | safe_unicode_character = utf32_stream[ safe_utf32_stream_index + 3 ]; |
5688 | 0 | safe_unicode_character <<= 8; |
5689 | 0 | safe_unicode_character += utf32_stream[ safe_utf32_stream_index + 2 ]; |
5690 | 0 | safe_unicode_character <<= 8; |
5691 | 0 | safe_unicode_character += utf32_stream[ safe_utf32_stream_index + 1 ]; |
5692 | 0 | safe_unicode_character <<= 8; |
5693 | 0 | safe_unicode_character += utf32_stream[ safe_utf32_stream_index ]; |
5694 | 0 | } |
5695 | | /* Determine if the Unicode character is valid |
5696 | | */ |
5697 | 0 | if( ( ( safe_unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5698 | 0 | && ( safe_unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5699 | 0 | || ( safe_unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
5700 | 0 | { |
5701 | 0 | libcerror_error_set( |
5702 | 0 | error, |
5703 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5704 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5705 | 0 | "%s: unsupported Unicode character.", |
5706 | 0 | function ); |
5707 | |
|
5708 | 0 | return( -1 ); |
5709 | 0 | } |
5710 | 0 | *unicode_character = safe_unicode_character; |
5711 | 0 | *utf32_stream_index = safe_utf32_stream_index + 4; |
5712 | |
|
5713 | 0 | return( 1 ); |
5714 | 0 | } |
5715 | | |
5716 | | /* Copies an Unicode character to an UTF-32 stream |
5717 | | * Returns 1 if successful or -1 on error |
5718 | | */ |
5719 | | int libuna_unicode_character_copy_to_utf32_stream( |
5720 | | libuna_unicode_character_t unicode_character, |
5721 | | uint8_t *utf32_stream, |
5722 | | size_t utf32_stream_size, |
5723 | | size_t *utf32_stream_index, |
5724 | | int byte_order, |
5725 | | libcerror_error_t **error ) |
5726 | 0 | { |
5727 | 0 | static char *function = "libuna_unicode_character_copy_to_utf32_stream"; |
5728 | 0 | size_t safe_utf32_stream_index = 0; |
5729 | |
|
5730 | 0 | if( utf32_stream == NULL ) |
5731 | 0 | { |
5732 | 0 | libcerror_error_set( |
5733 | 0 | error, |
5734 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5735 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5736 | 0 | "%s: invalid UTF-32 stream.", |
5737 | 0 | function ); |
5738 | |
|
5739 | 0 | return( -1 ); |
5740 | 0 | } |
5741 | 0 | if( utf32_stream_size > (size_t) SSIZE_MAX ) |
5742 | 0 | { |
5743 | 0 | libcerror_error_set( |
5744 | 0 | error, |
5745 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5746 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
5747 | 0 | "%s: invalid UTF-32 stream size value exceeds maximum.", |
5748 | 0 | function ); |
5749 | |
|
5750 | 0 | return( -1 ); |
5751 | 0 | } |
5752 | 0 | if( utf32_stream_index == NULL ) |
5753 | 0 | { |
5754 | 0 | libcerror_error_set( |
5755 | 0 | error, |
5756 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5757 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
5758 | 0 | "%s: invalid UTF-32 stream index.", |
5759 | 0 | function ); |
5760 | |
|
5761 | 0 | return( -1 ); |
5762 | 0 | } |
5763 | 0 | safe_utf32_stream_index = *utf32_stream_index; |
5764 | |
|
5765 | 0 | if( ( utf32_stream_size < 4 ) |
5766 | 0 | || ( safe_utf32_stream_index > ( utf32_stream_size - 4 ) ) ) |
5767 | 0 | { |
5768 | 0 | libcerror_error_set( |
5769 | 0 | error, |
5770 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5771 | 0 | LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL, |
5772 | 0 | "%s: UTF-32 stream too small.", |
5773 | 0 | function ); |
5774 | |
|
5775 | 0 | return( -1 ); |
5776 | 0 | } |
5777 | 0 | if( ( byte_order != LIBUNA_ENDIAN_BIG ) |
5778 | 0 | && ( byte_order != LIBUNA_ENDIAN_LITTLE ) ) |
5779 | 0 | { |
5780 | 0 | libcerror_error_set( |
5781 | 0 | error, |
5782 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
5783 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
5784 | 0 | "%s: unsupported byte order.", |
5785 | 0 | function ); |
5786 | |
|
5787 | 0 | return( -1 ); |
5788 | 0 | } |
5789 | | /* Determine if the Unicode character is valid |
5790 | | */ |
5791 | 0 | if( ( ( unicode_character >= LIBUNA_UNICODE_SURROGATE_HIGH_RANGE_START ) |
5792 | 0 | && ( unicode_character <= LIBUNA_UNICODE_SURROGATE_LOW_RANGE_END ) ) |
5793 | 0 | || ( unicode_character > LIBUNA_UNICODE_CHARACTER_MAX ) ) |
5794 | 0 | { |
5795 | 0 | libcerror_error_set( |
5796 | 0 | error, |
5797 | 0 | LIBCERROR_ERROR_DOMAIN_RUNTIME, |
5798 | 0 | LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE, |
5799 | 0 | "%s: unsupported Unicode character.", |
5800 | 0 | function ); |
5801 | |
|
5802 | 0 | return( -1 ); |
5803 | 0 | } |
5804 | 0 | if( byte_order == LIBUNA_ENDIAN_BIG ) |
5805 | 0 | { |
5806 | 0 | utf32_stream[ safe_utf32_stream_index + 3 ] = (uint8_t) ( unicode_character & 0xff ); |
5807 | 0 | unicode_character >>= 8; |
5808 | 0 | utf32_stream[ safe_utf32_stream_index + 2 ] = (uint8_t) ( unicode_character & 0xff ); |
5809 | 0 | unicode_character >>= 8; |
5810 | 0 | utf32_stream[ safe_utf32_stream_index + 1 ] = (uint8_t) ( unicode_character & 0xff ); |
5811 | 0 | unicode_character >>= 8; |
5812 | 0 | utf32_stream[ safe_utf32_stream_index ] = (uint8_t) ( unicode_character & 0xff ); |
5813 | 0 | } |
5814 | 0 | else if( byte_order == LIBUNA_ENDIAN_LITTLE ) |
5815 | 0 | { |
5816 | 0 | utf32_stream[ safe_utf32_stream_index ] = (uint8_t) ( unicode_character & 0xff ); |
5817 | 0 | unicode_character >>= 8; |
5818 | 0 | utf32_stream[ safe_utf32_stream_index + 1 ] = (uint8_t) ( unicode_character & 0xff ); |
5819 | 0 | unicode_character >>= 8; |
5820 | 0 | utf32_stream[ safe_utf32_stream_index + 2 ] = (uint8_t) ( unicode_character & 0xff ); |
5821 | 0 | unicode_character >>= 8; |
5822 | 0 | utf32_stream[ safe_utf32_stream_index + 3 ] = (uint8_t) ( unicode_character & 0xff ); |
5823 | 0 | } |
5824 | 0 | *utf32_stream_index = safe_utf32_stream_index + 4; |
5825 | |
|
5826 | 0 | return( 1 ); |
5827 | 0 | } |
5828 | | |