/src/libphdi/libclocale/libclocale_codepage.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Codepage functions |
3 | | * |
4 | | * Copyright (C) 2010-2024, 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 <narrow_string.h> |
24 | | #include <wide_string.h> |
25 | | #include <types.h> |
26 | | |
27 | | #include "libclocale_codepage.h" |
28 | | #include "libclocale_definitions.h" |
29 | | #include "libclocale_libcerror.h" |
30 | | #include "libclocale_wide_string.h" |
31 | | |
32 | | /* If the codepage is not set strings are formatted using UTF-8 |
33 | | */ |
34 | | #if defined( WINAPI ) |
35 | | int libclocale_codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1252; |
36 | | #else |
37 | | int libclocale_codepage = 0; |
38 | | #endif |
39 | | |
40 | | /* Retrieves the narrow system string codepage |
41 | | * A value of 0 represents no codepage, UTF-8 encoding is used instead |
42 | | * Returns 1 if successful or -1 on error |
43 | | */ |
44 | | int libclocale_codepage_get( |
45 | | int *codepage, |
46 | | libcerror_error_t **error ) |
47 | 0 | { |
48 | 0 | static char *function = "libclocale_codepage_get"; |
49 | |
|
50 | 0 | if( codepage == NULL ) |
51 | 0 | { |
52 | 0 | libcerror_error_set( |
53 | 0 | error, |
54 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
55 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
56 | 0 | "%s: invalid codepage.", |
57 | 0 | function ); |
58 | |
|
59 | 0 | return( -1 ); |
60 | 0 | } |
61 | 0 | *codepage = libclocale_codepage; |
62 | |
|
63 | 0 | return( 1 ); |
64 | 0 | } |
65 | | |
66 | | /* Sets the narrow system string codepage |
67 | | * A value of 0 represents no codepage, UTF-8 encoding is used instead |
68 | | * Returns 1 if successful or -1 on error |
69 | | */ |
70 | | int libclocale_codepage_set( |
71 | | int codepage, |
72 | | libcerror_error_t **error ) |
73 | 0 | { |
74 | 0 | static char *function = "libclocale_codepage_set"; |
75 | |
|
76 | 0 | if( ( codepage != LIBCLOCALE_CODEPAGE_ASCII ) |
77 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_1 ) |
78 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_2 ) |
79 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_3 ) |
80 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_4 ) |
81 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_5 ) |
82 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_6 ) |
83 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_7 ) |
84 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_8 ) |
85 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_9 ) |
86 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_10 ) |
87 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_11 ) |
88 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_13 ) |
89 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_14 ) |
90 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_15 ) |
91 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_ISO_8859_16 ) |
92 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_KOI8_R ) |
93 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_KOI8_U ) |
94 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_874 ) |
95 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_932 ) |
96 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_936 ) |
97 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_949 ) |
98 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_950 ) |
99 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1250 ) |
100 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1251 ) |
101 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1252 ) |
102 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1253 ) |
103 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1254 ) |
104 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1256 ) |
105 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1257 ) |
106 | 0 | && ( codepage != LIBCLOCALE_CODEPAGE_WINDOWS_1258 ) |
107 | 0 | && ( codepage != 0 ) ) |
108 | 0 | { |
109 | 0 | libcerror_error_set( |
110 | 0 | error, |
111 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
112 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
113 | 0 | "%s: unsupported codepage.", |
114 | 0 | function ); |
115 | |
|
116 | 0 | return( -1 ); |
117 | 0 | } |
118 | 0 | libclocale_codepage = codepage; |
119 | |
|
120 | 0 | return( 1 ); |
121 | 0 | } |
122 | | |
123 | | /* Copies the codepage from a string |
124 | | * Returns 1 if successful, 0 if unsupported value or -1 on error |
125 | | */ |
126 | | int libclocale_codepage_copy_from_string( |
127 | | int *codepage, |
128 | | const char *string, |
129 | | size_t string_length, |
130 | | uint32_t feature_flags, |
131 | | libcerror_error_t **error ) |
132 | 3.20k | { |
133 | 3.20k | static char *function = "libclocale_codepage_copy_from_string"; |
134 | 3.20k | size_t string_index = 0; |
135 | 3.20k | uint32_t supported_flags = 0; |
136 | 3.20k | int codepage_set = 0; |
137 | | |
138 | 3.20k | if( codepage == NULL ) |
139 | 0 | { |
140 | 0 | libcerror_error_set( |
141 | 0 | error, |
142 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
143 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
144 | 0 | "%s: invalid codepage.", |
145 | 0 | function ); |
146 | |
|
147 | 0 | return( -1 ); |
148 | 0 | } |
149 | 3.20k | if( string == NULL ) |
150 | 0 | { |
151 | 0 | libcerror_error_set( |
152 | 0 | error, |
153 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
154 | 0 | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
155 | 0 | "%s: invalid string.", |
156 | 0 | function ); |
157 | |
|
158 | 0 | return( -1 ); |
159 | 0 | } |
160 | 3.20k | if( string_length > (size_t) SSIZE_MAX ) |
161 | 1 | { |
162 | 1 | libcerror_error_set( |
163 | 1 | error, |
164 | 1 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
165 | 1 | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
166 | 1 | "%s: invalid string length value exceeds maximum.", |
167 | 1 | function ); |
168 | | |
169 | 1 | return( -1 ); |
170 | 1 | } |
171 | 3.20k | supported_flags = LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_ISO_8859 |
172 | 3.20k | | LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_KOI8 |
173 | 3.20k | | LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_WINDOWS; |
174 | | |
175 | 3.20k | if( ( feature_flags & ~( supported_flags ) ) != 0 ) |
176 | 0 | { |
177 | 0 | libcerror_error_set( |
178 | 0 | error, |
179 | 0 | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
180 | 0 | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
181 | 0 | "%s: unsupported feature flags value: 0x%08" PRIx32 ".", |
182 | 0 | function, |
183 | 0 | feature_flags ); |
184 | |
|
185 | 0 | return( -1 ); |
186 | 0 | } |
187 | 3.20k | *codepage = -1; |
188 | | |
189 | 3.20k | if( string_length == 5 ) |
190 | 1.98k | { |
191 | 1.98k | if( narrow_string_compare_no_case( |
192 | 1.98k | string, |
193 | 1.98k | "ascii", |
194 | 1.98k | 5 ) == 0 ) |
195 | 504 | { |
196 | 504 | *codepage = LIBCLOCALE_CODEPAGE_ASCII; |
197 | | |
198 | 504 | string_index = 5; |
199 | 504 | } |
200 | 1.98k | } |
201 | 3.20k | if( ( feature_flags & LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_ISO_8859 ) != 0 ) |
202 | 0 | { |
203 | | /* Supported string formats: |
204 | | * iso8859-1, iso8859_1, iso-8859-1, iso-8859_1, iso_8859-1, iso_8859_1 |
205 | | */ |
206 | 0 | if( string_length >= 8 ) |
207 | 0 | { |
208 | 0 | if( narrow_string_compare_no_case( |
209 | 0 | string, |
210 | 0 | "iso", |
211 | 0 | 3 ) == 0 ) |
212 | 0 | { |
213 | 0 | string_index = 3; |
214 | |
|
215 | 0 | if( ( string[ string_index ] == '-' ) |
216 | 0 | || ( string[ string_index ] == '_' ) ) |
217 | 0 | { |
218 | 0 | string_index++; |
219 | 0 | } |
220 | 0 | if( ( string[ string_index ] == '8' ) |
221 | 0 | && ( string[ string_index + 1 ] == '8' ) |
222 | 0 | && ( string[ string_index + 2 ] == '5' ) |
223 | 0 | && ( string[ string_index + 3 ] == '9' ) ) |
224 | 0 | { |
225 | 0 | string_index += 4; |
226 | |
|
227 | 0 | if( string_index < string_length ) |
228 | 0 | { |
229 | 0 | if( ( string[ string_index ] == '-' ) |
230 | 0 | || ( string[ string_index ] == '_' ) ) |
231 | 0 | { |
232 | 0 | string_index++; |
233 | |
|
234 | 0 | codepage_set = LIBCLOCALE_CODEPAGE_SET_ISO_8859; |
235 | 0 | } |
236 | 0 | } |
237 | 0 | } |
238 | 0 | } |
239 | 0 | } |
240 | 0 | } |
241 | 3.20k | if( ( feature_flags & LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_KOI8 ) != 0 ) |
242 | 0 | { |
243 | | /* Supported string formats: |
244 | | * koi8, koi8-r, koi8_r |
245 | | */ |
246 | 0 | if( string_length >= 4 ) |
247 | 0 | { |
248 | 0 | if( narrow_string_compare_no_case( |
249 | 0 | string, |
250 | 0 | "koi8", |
251 | 0 | 4 ) == 0 ) |
252 | 0 | { |
253 | 0 | string_index = 4; |
254 | |
|
255 | 0 | codepage_set = LIBCLOCALE_CODEPAGE_SET_KOI8; |
256 | |
|
257 | 0 | if( string_index < string_length ) |
258 | 0 | { |
259 | 0 | if( ( string[ string_index ] == '-' ) |
260 | 0 | || ( string[ string_index ] == '_' ) ) |
261 | 0 | { |
262 | 0 | string_index++; |
263 | 0 | } |
264 | 0 | } |
265 | 0 | } |
266 | 0 | } |
267 | 0 | } |
268 | 3.20k | if( ( feature_flags & LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_WINDOWS ) != 0 ) |
269 | 3.20k | { |
270 | | /* Supported string formats: |
271 | | * cp1252, ms1252, windows1252, windows-1252, windows_1252 |
272 | | */ |
273 | 3.20k | if( string_length >= 7 ) |
274 | 838 | { |
275 | 838 | if( narrow_string_compare_no_case( |
276 | 838 | string, |
277 | 838 | "windows", |
278 | 838 | 7 ) == 0 ) |
279 | 676 | { |
280 | 676 | string_index = 7; |
281 | | |
282 | 676 | codepage_set = LIBCLOCALE_CODEPAGE_SET_WINDOWS; |
283 | | |
284 | 676 | if( string_index < string_length ) |
285 | 675 | { |
286 | 675 | if( ( string[ string_index ] == '-' ) |
287 | 675 | || ( string[ string_index ] == '_' ) ) |
288 | 428 | { |
289 | 428 | string_index++; |
290 | 428 | } |
291 | 675 | } |
292 | 676 | } |
293 | 838 | } |
294 | 2.37k | else if( string_length >= 2 ) |
295 | 2.35k | { |
296 | 2.35k | if( narrow_string_compare_no_case( |
297 | 2.35k | string, |
298 | 2.35k | "cp", |
299 | 2.35k | 2 ) == 0 ) |
300 | 241 | { |
301 | 241 | string_index = 2; |
302 | | |
303 | 241 | codepage_set = LIBCLOCALE_CODEPAGE_SET_GENERIC; |
304 | 241 | } |
305 | 2.11k | else if( narrow_string_compare_no_case( |
306 | 2.11k | string, |
307 | 2.11k | "ms", |
308 | 2.11k | 2 ) == 0 ) |
309 | 1.45k | { |
310 | 1.45k | string_index = 2; |
311 | | |
312 | 1.45k | codepage_set = LIBCLOCALE_CODEPAGE_SET_WINDOWS; |
313 | 1.45k | } |
314 | 2.35k | } |
315 | 3.20k | } |
316 | 3.20k | if( codepage_set == LIBCLOCALE_CODEPAGE_SET_ISO_8859 ) |
317 | 0 | { |
318 | 0 | if( ( string_index + 1 ) == string_length ) |
319 | 0 | { |
320 | 0 | switch( string[ string_index ] ) |
321 | 0 | { |
322 | 0 | case '1': |
323 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_1; |
324 | 0 | break; |
325 | | |
326 | 0 | case '2': |
327 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_2; |
328 | 0 | break; |
329 | | |
330 | 0 | case '3': |
331 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_3; |
332 | 0 | break; |
333 | | |
334 | 0 | case '4': |
335 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_4; |
336 | 0 | break; |
337 | | |
338 | 0 | case '5': |
339 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_5; |
340 | 0 | break; |
341 | | |
342 | 0 | case '6': |
343 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_6; |
344 | 0 | break; |
345 | | |
346 | 0 | case '7': |
347 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_7; |
348 | 0 | break; |
349 | | |
350 | 0 | case '8': |
351 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_8; |
352 | 0 | break; |
353 | | |
354 | 0 | case '9': |
355 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_9; |
356 | 0 | break; |
357 | | |
358 | 0 | default: |
359 | 0 | break; |
360 | 0 | } |
361 | 0 | } |
362 | 0 | else if( ( string_index + 2 ) == string_length ) |
363 | 0 | { |
364 | 0 | if( string[ string_index ] == '1' ) |
365 | 0 | { |
366 | 0 | string_index++; |
367 | |
|
368 | 0 | switch( string[ string_index ] ) |
369 | 0 | { |
370 | 0 | case '0': |
371 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_10; |
372 | 0 | break; |
373 | | |
374 | 0 | case '1': |
375 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_11; |
376 | 0 | break; |
377 | | |
378 | 0 | case '3': |
379 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_13; |
380 | 0 | break; |
381 | | |
382 | 0 | case '4': |
383 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_14; |
384 | 0 | break; |
385 | | |
386 | 0 | case '5': |
387 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_15; |
388 | 0 | break; |
389 | | |
390 | 0 | case '6': |
391 | 0 | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_16; |
392 | 0 | break; |
393 | | |
394 | 0 | default: |
395 | 0 | break; |
396 | 0 | } |
397 | 0 | } |
398 | 0 | } |
399 | 0 | } |
400 | 3.20k | if( codepage_set == LIBCLOCALE_CODEPAGE_SET_KOI8 ) |
401 | 0 | { |
402 | 0 | if( ( string_index + 1 ) == string_length ) |
403 | 0 | { |
404 | 0 | switch( string[ string_index ] ) |
405 | 0 | { |
406 | 0 | case 'r': |
407 | 0 | case 'R': |
408 | 0 | *codepage = LIBCLOCALE_CODEPAGE_KOI8_R; |
409 | 0 | break; |
410 | | |
411 | 0 | case 'u': |
412 | 0 | case 'U': |
413 | 0 | *codepage = LIBCLOCALE_CODEPAGE_KOI8_U; |
414 | 0 | break; |
415 | | |
416 | 0 | default: |
417 | 0 | break; |
418 | 0 | } |
419 | 0 | } |
420 | 0 | } |
421 | 3.20k | if( ( codepage_set == LIBCLOCALE_CODEPAGE_SET_GENERIC ) |
422 | 3.20k | || ( codepage_set == LIBCLOCALE_CODEPAGE_SET_WINDOWS ) ) |
423 | 2.37k | { |
424 | 2.37k | if( ( string_index + 3 ) == string_length ) |
425 | 1.97k | { |
426 | 1.97k | switch( string[ string_index ] ) |
427 | 1.97k | { |
428 | 293 | case '8': |
429 | 293 | if( ( string[ string_index + 1 ] == '7' ) |
430 | 293 | && ( string[ string_index + 2 ] == '4' ) ) |
431 | 276 | { |
432 | 276 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_874; |
433 | 276 | } |
434 | 293 | break; |
435 | | |
436 | 1.68k | case '9': |
437 | 1.68k | if( ( string[ string_index + 1 ] == '3' ) |
438 | 1.68k | && ( string[ string_index + 2 ] == '2' ) ) |
439 | 371 | { |
440 | 371 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_932; |
441 | 371 | } |
442 | 1.30k | else if( ( string[ string_index + 1 ] == '3' ) |
443 | 1.30k | && ( string[ string_index + 2 ] == '6' ) ) |
444 | 859 | { |
445 | 859 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_936; |
446 | 859 | } |
447 | 450 | else if( ( string[ string_index + 1 ] == '4' ) |
448 | 450 | && ( string[ string_index + 2 ] == '9' ) ) |
449 | 219 | { |
450 | 219 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_949; |
451 | 219 | } |
452 | 231 | else if( ( string[ string_index + 1 ] == '5' ) |
453 | 231 | && ( string[ string_index + 2 ] == '0' ) ) |
454 | 203 | { |
455 | 203 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_950; |
456 | 203 | } |
457 | 1.68k | break; |
458 | | |
459 | 1 | default: |
460 | 1 | break; |
461 | 1.97k | } |
462 | 1.97k | } |
463 | 400 | else if( ( string_index + 4 ) == string_length ) |
464 | 264 | { |
465 | 264 | if( ( string[ string_index ] == '1' ) |
466 | 264 | && ( string[ string_index + 1 ] == '2' ) |
467 | 264 | && ( string[ string_index + 2 ] == '5' ) ) |
468 | 237 | { |
469 | 237 | switch( string[ string_index + 3 ] ) |
470 | 237 | { |
471 | 143 | case '0': |
472 | 143 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1250; |
473 | 143 | break; |
474 | | |
475 | 10 | case '1': |
476 | 10 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1251; |
477 | 10 | break; |
478 | | |
479 | 56 | case '2': |
480 | 56 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1252; |
481 | 56 | break; |
482 | | |
483 | 4 | case '3': |
484 | 4 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1253; |
485 | 4 | break; |
486 | | |
487 | 4 | case '4': |
488 | 4 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1254; |
489 | 4 | break; |
490 | | |
491 | 1 | case '5': |
492 | 1 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1255; |
493 | 1 | break; |
494 | | |
495 | 5 | case '6': |
496 | 5 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1256; |
497 | 5 | break; |
498 | | |
499 | 2 | case '7': |
500 | 2 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1257; |
501 | 2 | break; |
502 | | |
503 | 1 | case '8': |
504 | 1 | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1258; |
505 | 1 | break; |
506 | | |
507 | 11 | default: |
508 | 11 | break; |
509 | 237 | } |
510 | 237 | } |
511 | 264 | } |
512 | 2.37k | } |
513 | 3.20k | if( *codepage != -1 ) |
514 | 2.65k | { |
515 | 2.65k | return( 1 ); |
516 | 2.65k | } |
517 | 550 | return( 0 ); |
518 | 3.20k | } |
519 | | |
520 | | #if defined( HAVE_WIDE_CHARACTER_TYPE ) |
521 | | |
522 | | /* Copies the codepage from a string |
523 | | * Returns 1 if successful, 0 if unsupported value or -1 on error |
524 | | */ |
525 | | int libclocale_codepage_copy_from_string_wide( |
526 | | int *codepage, |
527 | | const wchar_t *string, |
528 | | size_t string_length, |
529 | | uint32_t feature_flags, |
530 | | libcerror_error_t **error ) |
531 | | { |
532 | | static char *function = "libclocale_codepage_copy_from_string_wide"; |
533 | | size_t string_index = 0; |
534 | | uint32_t supported_flags = 0; |
535 | | int codepage_set = 0; |
536 | | |
537 | | if( codepage == NULL ) |
538 | | { |
539 | | libcerror_error_set( |
540 | | error, |
541 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
542 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
543 | | "%s: invalid codepage.", |
544 | | function ); |
545 | | |
546 | | return( -1 ); |
547 | | } |
548 | | if( string == NULL ) |
549 | | { |
550 | | libcerror_error_set( |
551 | | error, |
552 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
553 | | LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE, |
554 | | "%s: invalid string.", |
555 | | function ); |
556 | | |
557 | | return( -1 ); |
558 | | } |
559 | | if( string_length > (size_t) SSIZE_MAX ) |
560 | | { |
561 | | libcerror_error_set( |
562 | | error, |
563 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
564 | | LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM, |
565 | | "%s: invalid string length value exceeds maximum.", |
566 | | function ); |
567 | | |
568 | | return( -1 ); |
569 | | } |
570 | | supported_flags = LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_ISO_8859 |
571 | | | LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_KOI8 |
572 | | | LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_WINDOWS; |
573 | | |
574 | | if( ( feature_flags & ~( supported_flags ) ) != 0 ) |
575 | | { |
576 | | libcerror_error_set( |
577 | | error, |
578 | | LIBCERROR_ERROR_DOMAIN_ARGUMENTS, |
579 | | LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE, |
580 | | "%s: unsupported feature flags value: 0x%08" PRIx32 ".", |
581 | | function, |
582 | | feature_flags ); |
583 | | |
584 | | return( -1 ); |
585 | | } |
586 | | *codepage = -1; |
587 | | |
588 | | if( string_length == 5 ) |
589 | | { |
590 | | if( wide_string_compare_no_case( |
591 | | string, |
592 | | L"ascii", |
593 | | 5 ) == 0 ) |
594 | | { |
595 | | *codepage = LIBCLOCALE_CODEPAGE_ASCII; |
596 | | |
597 | | string_index = 5; |
598 | | } |
599 | | } |
600 | | if( ( feature_flags & LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_ISO_8859 ) != 0 ) |
601 | | { |
602 | | /* Supported string formats: |
603 | | * iso8859-1, iso8859_1, iso-8859-1, iso-8859_1, iso_8859-1, iso_8859_1 |
604 | | */ |
605 | | if( string_length >= 8 ) |
606 | | { |
607 | | if( wide_string_compare_no_case( |
608 | | string, |
609 | | L"iso", |
610 | | 3 ) == 0 ) |
611 | | { |
612 | | string_index = 3; |
613 | | |
614 | | if( ( string[ string_index ] == (wchar_t) '-' ) |
615 | | || ( string[ string_index ] == (wchar_t) '_' ) ) |
616 | | { |
617 | | string_index++; |
618 | | } |
619 | | if( ( string[ string_index ] == (wchar_t) '8' ) |
620 | | && ( string[ string_index + 1 ] == (wchar_t) '8' ) |
621 | | && ( string[ string_index + 2 ] == (wchar_t) '5' ) |
622 | | && ( string[ string_index + 3 ] == (wchar_t) '9' ) ) |
623 | | { |
624 | | string_index += 4; |
625 | | |
626 | | if( string_index < string_length ) |
627 | | { |
628 | | if( ( string[ string_index ] == (wchar_t) '-' ) |
629 | | || ( string[ string_index ] == (wchar_t) '_' ) ) |
630 | | { |
631 | | string_index++; |
632 | | |
633 | | codepage_set = LIBCLOCALE_CODEPAGE_SET_ISO_8859; |
634 | | } |
635 | | } |
636 | | } |
637 | | } |
638 | | } |
639 | | } |
640 | | if( ( feature_flags & LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_KOI8 ) != 0 ) |
641 | | { |
642 | | /* Supported string formats: |
643 | | * koi8, koi8-r, koi8_r |
644 | | */ |
645 | | if( string_length >= 4 ) |
646 | | { |
647 | | if( wide_string_compare_no_case( |
648 | | string, |
649 | | L"koi8", |
650 | | 4 ) == 0 ) |
651 | | { |
652 | | string_index = 4; |
653 | | |
654 | | codepage_set = LIBCLOCALE_CODEPAGE_SET_KOI8; |
655 | | |
656 | | if( string_index < string_length ) |
657 | | { |
658 | | if( ( string[ string_index ] == (wchar_t) '-' ) |
659 | | || ( string[ string_index ] == (wchar_t) '_' ) ) |
660 | | { |
661 | | string_index++; |
662 | | } |
663 | | } |
664 | | } |
665 | | } |
666 | | } |
667 | | if( ( feature_flags & LIBCLOCALE_CODEPAGE_FEATURE_FLAG_HAVE_WINDOWS ) != 0 ) |
668 | | { |
669 | | /* Supported string formats: |
670 | | * cp1252, ms1252, windows1252, windows-1252, windows_1252 |
671 | | */ |
672 | | if( string_length >= 7 ) |
673 | | { |
674 | | if( wide_string_compare_no_case( |
675 | | string, |
676 | | L"windows", |
677 | | 7 ) == 0 ) |
678 | | { |
679 | | string_index = 7; |
680 | | |
681 | | codepage_set = LIBCLOCALE_CODEPAGE_SET_WINDOWS; |
682 | | |
683 | | if( string_index < string_length ) |
684 | | { |
685 | | if( ( string[ string_index ] == (wchar_t) '-' ) |
686 | | || ( string[ string_index ] == (wchar_t) '_' ) ) |
687 | | { |
688 | | string_index++; |
689 | | } |
690 | | } |
691 | | } |
692 | | } |
693 | | else if( string_length >= 2 ) |
694 | | { |
695 | | if( wide_string_compare_no_case( |
696 | | string, |
697 | | L"cp", |
698 | | 2 ) == 0 ) |
699 | | { |
700 | | string_index = 2; |
701 | | |
702 | | codepage_set = LIBCLOCALE_CODEPAGE_SET_GENERIC; |
703 | | } |
704 | | else if( wide_string_compare_no_case( |
705 | | string, |
706 | | L"ms", |
707 | | 2 ) == 0 ) |
708 | | { |
709 | | string_index = 2; |
710 | | |
711 | | codepage_set = LIBCLOCALE_CODEPAGE_SET_WINDOWS; |
712 | | } |
713 | | } |
714 | | } |
715 | | if( codepage_set == LIBCLOCALE_CODEPAGE_SET_ISO_8859 ) |
716 | | { |
717 | | if( ( string_index + 1 ) == string_length ) |
718 | | { |
719 | | switch( string[ string_index ] ) |
720 | | { |
721 | | case '1': |
722 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_1; |
723 | | break; |
724 | | |
725 | | case '2': |
726 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_2; |
727 | | break; |
728 | | |
729 | | case '3': |
730 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_3; |
731 | | break; |
732 | | |
733 | | case '4': |
734 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_4; |
735 | | break; |
736 | | |
737 | | case '5': |
738 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_5; |
739 | | break; |
740 | | |
741 | | case '6': |
742 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_6; |
743 | | break; |
744 | | |
745 | | case '7': |
746 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_7; |
747 | | break; |
748 | | |
749 | | case '8': |
750 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_8; |
751 | | break; |
752 | | |
753 | | case '9': |
754 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_9; |
755 | | break; |
756 | | |
757 | | default: |
758 | | break; |
759 | | } |
760 | | } |
761 | | else if( ( string_index + 2 ) == string_length ) |
762 | | { |
763 | | if( string[ string_index ] == (wchar_t) '1' ) |
764 | | { |
765 | | string_index++; |
766 | | |
767 | | switch( string[ string_index ] ) |
768 | | { |
769 | | case '0': |
770 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_10; |
771 | | break; |
772 | | |
773 | | case '1': |
774 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_11; |
775 | | break; |
776 | | |
777 | | case '3': |
778 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_13; |
779 | | break; |
780 | | |
781 | | case '4': |
782 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_14; |
783 | | break; |
784 | | |
785 | | case '5': |
786 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_15; |
787 | | break; |
788 | | |
789 | | case '6': |
790 | | *codepage = LIBCLOCALE_CODEPAGE_ISO_8859_16; |
791 | | break; |
792 | | |
793 | | default: |
794 | | break; |
795 | | } |
796 | | } |
797 | | } |
798 | | } |
799 | | if( codepage_set == LIBCLOCALE_CODEPAGE_SET_KOI8 ) |
800 | | { |
801 | | if( ( string_index + 1 ) == string_length ) |
802 | | { |
803 | | switch( string[ string_index ] ) |
804 | | { |
805 | | case 'r': |
806 | | case 'R': |
807 | | *codepage = LIBCLOCALE_CODEPAGE_KOI8_R; |
808 | | break; |
809 | | |
810 | | case 'u': |
811 | | case 'U': |
812 | | *codepage = LIBCLOCALE_CODEPAGE_KOI8_U; |
813 | | break; |
814 | | |
815 | | default: |
816 | | break; |
817 | | } |
818 | | } |
819 | | } |
820 | | if( ( codepage_set == LIBCLOCALE_CODEPAGE_SET_GENERIC ) |
821 | | || ( codepage_set == LIBCLOCALE_CODEPAGE_SET_WINDOWS ) ) |
822 | | { |
823 | | if( ( string_index + 3 ) == string_length ) |
824 | | { |
825 | | switch( string[ string_index ] ) |
826 | | { |
827 | | case '8': |
828 | | if( ( string[ string_index + 1 ] == (wchar_t) '7' ) |
829 | | && ( string[ string_index + 2 ] == (wchar_t) '4' ) ) |
830 | | { |
831 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_874; |
832 | | } |
833 | | break; |
834 | | |
835 | | case '9': |
836 | | if( ( string[ string_index + 1 ] == (wchar_t) '3' ) |
837 | | && ( string[ string_index + 2 ] == (wchar_t) '2' ) ) |
838 | | { |
839 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_932; |
840 | | } |
841 | | else if( ( string[ string_index + 1 ] == (wchar_t) '3' ) |
842 | | && ( string[ string_index + 2 ] == (wchar_t) '6' ) ) |
843 | | { |
844 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_936; |
845 | | } |
846 | | else if( ( string[ string_index + 1 ] == (wchar_t) '4' ) |
847 | | && ( string[ string_index + 2 ] == (wchar_t) '9' ) ) |
848 | | { |
849 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_949; |
850 | | } |
851 | | else if( ( string[ string_index + 1 ] == (wchar_t) '5' ) |
852 | | && ( string[ string_index + 2 ] == (wchar_t) '0' ) ) |
853 | | { |
854 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_950; |
855 | | } |
856 | | break; |
857 | | |
858 | | default: |
859 | | break; |
860 | | } |
861 | | } |
862 | | else if( ( string_index + 4 ) == string_length ) |
863 | | { |
864 | | if( ( string[ string_index ] == (wchar_t) '1' ) |
865 | | && ( string[ string_index + 1 ] == (wchar_t) '2' ) |
866 | | && ( string[ string_index + 2 ] == (wchar_t) '5' ) ) |
867 | | { |
868 | | switch( string[ string_index + 3 ] ) |
869 | | { |
870 | | case '0': |
871 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1250; |
872 | | break; |
873 | | |
874 | | case '1': |
875 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1251; |
876 | | break; |
877 | | |
878 | | case '2': |
879 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1252; |
880 | | break; |
881 | | |
882 | | case '3': |
883 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1253; |
884 | | break; |
885 | | |
886 | | case '4': |
887 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1254; |
888 | | break; |
889 | | |
890 | | case '5': |
891 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1255; |
892 | | break; |
893 | | |
894 | | case '6': |
895 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1256; |
896 | | break; |
897 | | |
898 | | case '7': |
899 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1257; |
900 | | break; |
901 | | |
902 | | case '8': |
903 | | *codepage = LIBCLOCALE_CODEPAGE_WINDOWS_1258; |
904 | | break; |
905 | | |
906 | | default: |
907 | | break; |
908 | | } |
909 | | } |
910 | | } |
911 | | } |
912 | | if( *codepage != -1 ) |
913 | | { |
914 | | return( 1 ); |
915 | | } |
916 | | return( 0 ); |
917 | | } |
918 | | |
919 | | #endif /* defined( HAVE_WIDE_CHARACTER_TYPE ) */ |
920 | | |