1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** GUIX Component                                                        */
16 /**                                                                       */
17 /**   Binres Loader Management (Binres Loader)                            */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_binres_loader.h"
28 #include "gx_system.h"
29 #include "gx_utility.h"
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gx_binres_resource_header_load                     PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function reads resource header from a binary data buffer.      */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    info                                  Binary read control block     */
48 /*    header                                Returned resource header      */
49 /*                                                                        */
50 /*  OUTPUT                                                                */
51 /*                                                                        */
52 /*    Status                                Completion status             */
53 /*                                                                        */
54 /*  CALLS                                                                 */
55 /*                                                                        */
56 /*    None                                                                */
57 /*                                                                        */
58 /*  CALLED BY                                                             */
59 /*                                                                        */
60 /*    GUIX Internal Code                                                  */
61 /*                                                                        */
62 /*  RELEASE HISTORY                                                       */
63 /*                                                                        */
64 /*    DATE              NAME                      DESCRIPTION             */
65 /*                                                                        */
66 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
67 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
68 /*                                            removed use of memcpy,      */
69 /*                                            resulting in version 6.1    */
70 /*                                                                        */
71 /**************************************************************************/
72 #ifdef GX_BINARY_RESOURCE_SUPPORT
_gx_binres_resource_header_load(GX_BINRES_DATA_INFO * info,GX_RESOURCE_HEADER * header)73 UINT _gx_binres_resource_header_load(GX_BINRES_DATA_INFO *info, GX_RESOURCE_HEADER *header)
74 {
75     GX_BINRES_READ_USHORT(header -> gx_resource_header_magic_number, info -> gx_binres_root_address + info -> gx_binres_read_offset);
76     info -> gx_binres_read_offset += sizeof(USHORT);
77 
78     GX_BINRES_READ_USHORT(header -> gx_resource_header_version, info -> gx_binres_root_address + info -> gx_binres_read_offset);
79     info -> gx_binres_read_offset += sizeof(USHORT);
80 
81     GX_BINRES_READ_USHORT(header -> gx_resource_header_theme_count, info -> gx_binres_root_address + info -> gx_binres_read_offset);
82     info -> gx_binres_read_offset += sizeof(USHORT);
83 
84     GX_BINRES_READ_USHORT(header -> gx_resource_header_language_count, info -> gx_binres_root_address + info -> gx_binres_read_offset);
85     info -> gx_binres_read_offset += sizeof(USHORT);
86 
87     GX_BINRES_READ_ULONG(header -> gx_resource_header_theme_data_size, info -> gx_binres_root_address + info -> gx_binres_read_offset);
88     info -> gx_binres_read_offset += sizeof(ULONG);
89 
90     GX_BINRES_READ_ULONG(header -> gx_resource_header_string_data_size, info -> gx_binres_root_address + info -> gx_binres_read_offset);
91     info -> gx_binres_read_offset += sizeof(ULONG);
92 
93     GX_BINRES_READ_ULONG(header -> gx_resource_header_data_size, info -> gx_binres_root_address + info -> gx_binres_read_offset);
94     info -> gx_binres_read_offset += sizeof(ULONG);
95 
96     return GX_SUCCESS;
97 }
98 #endif
99 
100 /**************************************************************************/
101 /*                                                                        */
102 /*  FUNCTION                                               RELEASE        */
103 /*                                                                        */
104 /*    _gx_binres_string_header_load                       PORTABLE C      */
105 /*                                                           6.1          */
106 /*  AUTHOR                                                                */
107 /*                                                                        */
108 /*    Kenneth Maxwell, Microsoft Corporation                              */
109 /*                                                                        */
110 /*  DESCRIPTION                                                           */
111 /*                                                                        */
112 /*    This function reads string header from a binary data buffer.        */
113 /*                                                                        */
114 /*  INPUT                                                                 */
115 /*                                                                        */
116 /*    info                                  Binary read control block     */
117 /*    header                                Returned string header        */
118 /*                                                                        */
119 /*  OUTPUT                                                                */
120 /*                                                                        */
121 /*    Status                                Completion status             */
122 /*                                                                        */
123 /*  CALLS                                                                 */
124 /*                                                                        */
125 /*    None                                                                */
126 /*                                                                        */
127 /*  CALLED BY                                                             */
128 /*                                                                        */
129 /*    GUIX Internal Code                                                  */
130 /*                                                                        */
131 /*  RELEASE HISTORY                                                       */
132 /*                                                                        */
133 /*    DATE              NAME                      DESCRIPTION             */
134 /*                                                                        */
135 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
136 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
137 /*                                            removed use of memcpy,      */
138 /*                                            resulting in version 6.1    */
139 /*                                                                        */
140 /**************************************************************************/
141 #ifdef GX_BINARY_RESOURCE_SUPPORT
_gx_binres_string_header_load(GX_BINRES_DATA_INFO * info,GX_STRING_HEADER * header)142 UINT _gx_binres_string_header_load(GX_BINRES_DATA_INFO *info, GX_STRING_HEADER *header)
143 {
144     GX_BINRES_READ_USHORT(header -> gx_string_header_magic_number, info -> gx_binres_root_address + info -> gx_binres_read_offset);
145     info -> gx_binres_read_offset += sizeof(USHORT);
146 
147     GX_BINRES_READ_USHORT(header -> gx_string_header_language_count, info -> gx_binres_root_address + info -> gx_binres_read_offset);
148     info -> gx_binres_read_offset += sizeof(USHORT);
149 
150     GX_BINRES_READ_USHORT(header -> gx_string_header_string_count, info -> gx_binres_root_address + info -> gx_binres_read_offset);
151     info -> gx_binres_read_offset += sizeof(USHORT);
152 
153     GX_BINRES_READ_ULONG(header -> gx_string_header_data_size, info -> gx_binres_root_address + info -> gx_binres_read_offset);
154     info -> gx_binres_read_offset += sizeof(ULONG);
155 
156     return GX_SUCCESS;
157 }
158 #endif
159 
160 /**************************************************************************/
161 /*                                                                        */
162 /*  FUNCTION                                               RELEASE        */
163 /*                                                                        */
164 /*    _gx_binres_language_header_load                     PORTABLE C      */
165 /*                                                           6.1          */
166 /*  AUTHOR                                                                */
167 /*                                                                        */
168 /*    Kenneth Maxwell, Microsoft Corporation                              */
169 /*                                                                        */
170 /*  DESCRIPTION                                                           */
171 /*                                                                        */
172 /*    This function reads language header from a binary data buffer.      */
173 /*                                                                        */
174 /*  INPUT                                                                 */
175 /*                                                                        */
176 /*    info                                  Binary read control block     */
177 /*    header                                Returned language header      */
178 /*                                                                        */
179 /*  OUTPUT                                                                */
180 /*                                                                        */
181 /*    Status                                Completion status             */
182 /*                                                                        */
183 /*  CALLS                                                                 */
184 /*                                                                        */
185 /*    None                                                                */
186 /*                                                                        */
187 /*  CALLED BY                                                             */
188 /*                                                                        */
189 /*    GUIX Internal Code                                                  */
190 /*                                                                        */
191 /*  RELEASE HISTORY                                                       */
192 /*                                                                        */
193 /*    DATE              NAME                      DESCRIPTION             */
194 /*                                                                        */
195 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
196 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
197 /*                                            removed use of memcpy,      */
198 /*                                            resulting in version 6.1    */
199 /*                                                                        */
200 /**************************************************************************/
201 #ifdef GX_BINARY_RESOURCE_SUPPORT
_gx_binres_language_header_load(GX_BINRES_DATA_INFO * info,GX_LANGUAGE_HEADER * header)202 UINT _gx_binres_language_header_load(GX_BINRES_DATA_INFO *info, GX_LANGUAGE_HEADER *header)
203 {
204     GX_BINRES_READ_USHORT(header -> gx_language_header_magic_number, info -> gx_binres_root_address + info -> gx_binres_read_offset);
205     info -> gx_binres_read_offset += sizeof(USHORT);
206 
207     GX_BINRES_READ_USHORT(header -> gx_language_header_index, info -> gx_binres_root_address + info -> gx_binres_read_offset);
208     info -> gx_binres_read_offset += sizeof(USHORT);
209 
210     memcpy(&header->gx_language_header_name, info->gx_binres_root_address + info->gx_binres_read_offset, sizeof(header->gx_language_header_name)); /* Use case of memcpy is verified. */
211     info -> gx_binres_read_offset += sizeof(header -> gx_language_header_name);
212 
213     GX_BINRES_READ_ULONG(header -> gx_language_header_data_size, info -> gx_binres_root_address + info -> gx_binres_read_offset);
214     info -> gx_binres_read_offset += sizeof(ULONG);
215 
216     return GX_SUCCESS;
217 }
218 #endif
219 
220 /**************************************************************************/
221 /*                                                                        */
222 /*  FUNCTION                                               RELEASE        */
223 /*                                                                        */
224 /*    _gx_binres_language_table_buffer_allocate           PORTABLE C      */
225 /*                                                           6.1.7        */
226 /*  AUTHOR                                                                */
227 /*                                                                        */
228 /*    Kenneth Maxwell, Microsoft Corporation                              */
229 /*                                                                        */
230 /*  DESCRIPTION                                                           */
231 /*                                                                        */
232 /*    This function allocates needed memory buffer for loading language   */
233 /*    table.                                                              */
234 /*                                                                        */
235 /*  INPUT                                                                 */
236 /*                                                                        */
237 /*    info                                  Binary resource control block */
238 /*    language_table_type_size              Size of language table type   */
239 /*    string_table_type_size                Size of string table type     */
240 /*                                                                        */
241 /*  OUTPUT                                                                */
242 /*                                                                        */
243 /*    Status                                Completion status             */
244 /*                                                                        */
245 /*  CALLS                                                                 */
246 /*                                                                        */
247 /*    _gx_system_memory_allocator           Application defined memory    */
248 /*                                            allocation function         */
249 /*    _gx_binres_resource_header_load       Read binary resource header   */
250 /*    _gx_binres_string_header_load         Read string data header       */
251 /*                                                                        */
252 /*  CALLED BY                                                             */
253 /*                                                                        */
254 /*    GUIX Internal Code                                                  */
255 /*                                                                        */
256 /*  RELEASE HISTORY                                                       */
257 /*                                                                        */
258 /*    DATE              NAME                      DESCRIPTION             */
259 /*                                                                        */
260 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
261 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
262 /*                                            resulting in version 6.1    */
263 /*  06-02-2021     Kenneth Maxwell          Modified comment(s),          */
264 /*                                            test for langauge_count == 0*/
265 /*                                            resulting in version 6.1.7  */
266 /*                                                                        */
267 /**************************************************************************/
268 #ifdef GX_BINARY_RESOURCE_SUPPORT
_gx_binres_language_table_buffer_allocate(GX_BINRES_DATA_INFO * info,GX_UBYTE language_table_type_size,GX_UBYTE string_table_type_size)269 static UINT _gx_binres_language_table_buffer_allocate(GX_BINRES_DATA_INFO *info, GX_UBYTE language_table_type_size, GX_UBYTE string_table_type_size)
270 {
271 GX_RESOURCE_HEADER res_header;
272 GX_STRING_HEADER   string_header;
273 USHORT             language_count;
274 USHORT             string_count;
275 UINT               language_table_size;
276 UINT               string_table_size;
277 
278     info -> gx_binres_read_offset = 0;
279 
280     /* Read resource header.  */
281     _gx_binres_resource_header_load(info, &res_header);
282     info -> gx_binres_read_offset += res_header.gx_resource_header_theme_data_size;
283 
284     if (res_header.gx_resource_header_magic_number != GX_MAGIC_NUMBER)
285     {
286         return GX_INVALID_FORMAT;
287     }
288 
289     _gx_binres_string_header_load(info, &string_header);
290 
291     if (string_header.gx_string_header_magic_number != GX_MAGIC_NUMBER)
292     {
293         return GX_INVALID_FORMAT;
294     }
295 
296     language_count = string_header.gx_string_header_language_count;
297 
298     if (language_count == 0)
299     {
300         return GX_INVALID_FORMAT;
301     }
302     string_count = string_header.gx_string_header_string_count;
303 
304     /* Calcualte memory size needed for string tables. */
305     string_table_size = (UINT)(string_count * string_table_type_size);
306     GX_UTILITY_MATH_UINT_MULT(string_table_size, language_count, string_table_size)
307 
308     /* Calculate memory size needed for language table. */
309     language_table_size = (UINT)(language_table_type_size * language_count);
310 
311     /* Calculate memory size needed.  */
312     GX_UTILITY_MATH_UINT_ADD(string_table_size, language_table_size, info -> gx_binres_buffer_size)
313 
314     info -> gx_binres_buffer = (GX_UBYTE *)_gx_system_memory_allocator(info -> gx_binres_buffer_size);
315 
316     if (!info -> gx_binres_buffer)
317     {
318         return GX_SYSTEM_MEMORY_ERROR;
319     }
320 
321     memset(info -> gx_binres_buffer, 0, info -> gx_binres_buffer_size);
322     info -> gx_binres_buffer_index = 0;
323 
324     return GX_SUCCESS;
325 }
326 #endif
327 
328 /**************************************************************************/
329 /*                                                                        */
330 /*  FUNCTION                                               RELEASE        */
331 /*                                                                        */
332 /*    _gx_binres_language_table_load                      PORTABLE C      */
333 /*                                                           6.1          */
334 /*  AUTHOR                                                                */
335 /*                                                                        */
336 /*    Kenneth Maxwell, Microsoft Corporation                              */
337 /*                                                                        */
338 /*  DESCRIPTION (deprecated)                                              */
339 /*                                                                        */
340 /*    This service loads a language table from a binary data buffer.      */
341 /*                                                                        */
342 /*  INPUT                                                                 */
343 /*                                                                        */
344 /*    root_address                          Root address of binary        */
345 /*                                            resource data               */
346 /*    returned_language_table               Pointer to loaded language    */
347 /*                                           table                        */
348 /*                                                                        */
349 /*  OUTPUT                                                                */
350 /*                                                                        */
351 /*    Status                                Completion status             */
352 /*                                                                        */
353 /*  CALLS                                                                 */
354 /*                                                                        */
355 /*    _gx_binres_language_table_buffer_allocate                           */
356 /*                                          Allocate needed buffer for    */
357 /*                                            loading language table      */
358 /*    _gx_binres_resource_header_load                                     */
359 /*                                          Read resource header          */
360 /*    _gx_binres_string_header_load         Read string data header       */
361 /*    _gx_binres_language_header_load       Read language data header     */
362 /*    _gx_system_memory_free                Application defined memory    */
363 /*                                            free function               */
364 /*                                                                        */
365 /*  CALLED BY                                                             */
366 /*                                                                        */
367 /*    Application Code                                                    */
368 /*                                                                        */
369 /*  RELEASE HISTORY                                                       */
370 /*                                                                        */
371 /*    DATE              NAME                      DESCRIPTION             */
372 /*                                                                        */
373 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
374 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
375 /*                                            removed use of memcpy,      */
376 /*                                            resulting in version 6.1    */
377 /*                                                                        */
378 /**************************************************************************/
379 #ifdef GX_BINARY_RESOURCE_SUPPORT
380 #ifdef GX_ENABLE_DEPRECATED_STRING_API
_gx_binres_language_table_load(GX_UBYTE * root_address,GX_UBYTE **** returned_language_table)381 UINT _gx_binres_language_table_load(GX_UBYTE *root_address, GX_UBYTE ****returned_language_table)
382 {
383 UINT                status;
384 GX_BINRES_DATA_INFO info;
385 GX_RESOURCE_HEADER  header;
386 GX_STRING_HEADER    string_header;
387 GX_LANGUAGE_HEADER  language_header;
388 GX_UBYTE         ***language_table;
389 UINT                lang_index;
390 UINT                string_index;
391 USHORT              string_length;
392 GX_CHAR             get_char;
393 
394     memset(&info, 0, sizeof(GX_BINRES_DATA_INFO));
395 
396     info.gx_binres_root_address = root_address;
397 
398     /* Allocate memory that needed for language table.  */
399     status = _gx_binres_language_table_buffer_allocate(&info, sizeof(GX_UBYTE * *), sizeof(GX_UBYTE *));
400 
401     /* Read Resource header. */
402     info.gx_binres_read_offset = 0;
403     _gx_binres_resource_header_load(&info, &header);
404 
405     /* Skip theme info.  */
406     info.gx_binres_read_offset += header.gx_resource_header_theme_data_size;
407 
408     if (header.gx_resource_header_magic_number != GX_MAGIC_NUMBER)
409     {
410         return GX_INVALID_FORMAT;
411     }
412 
413     language_table = GX_NULL;
414 
415     /* Read language table.  */
416     if (status == GX_SUCCESS)
417     {
418         /* Read string header. */
419         _gx_binres_string_header_load(&info, &string_header);
420 
421         language_table = (GX_UBYTE ***)(info.gx_binres_buffer + info.gx_binres_buffer_index);
422         info.gx_binres_buffer_index += sizeof(GX_UBYTE * *) * string_header.gx_string_header_language_count;
423 
424         for (lang_index = 0; lang_index < string_header.gx_string_header_language_count; lang_index++)
425         {
426             /* Read language header.  */
427             _gx_binres_language_header_load(&info, &language_header);
428 
429             if (language_header.gx_language_header_magic_number != GX_MAGIC_NUMBER)
430             {
431                 status = GX_INVALID_FORMAT;
432                 break;
433             }
434 
435             /* Read string table.  */
436             language_table[lang_index] = (GX_UBYTE **)(info.gx_binres_buffer + info.gx_binres_buffer_index);
437             info.gx_binres_buffer_index += sizeof(GX_UBYTE *) * string_header.gx_string_header_string_count;
438 
439             if (header.gx_resource_header_version >= GX_BINRES_VERSION_ADD_STRING_LENGTH)
440             {
441                 for (string_index = 1; string_index < string_header.gx_string_header_string_count; string_index++)
442                 {
443                     /* Read string length. */
444                     GX_BINRES_READ_USHORT(string_length, info.gx_binres_root_address + info.gx_binres_read_offset);
445                     info.gx_binres_read_offset += sizeof(USHORT);
446 
447                     if (string_length == 0)
448                     {
449                         language_table[lang_index][string_index] = GX_NULL;
450                     }
451                     else
452                     {
453                         language_table[lang_index][string_index] = (GX_UBYTE *)(info.gx_binres_root_address + info.gx_binres_read_offset);
454                         info.gx_binres_read_offset += (UINT)(string_length + 1);
455                     }
456                 }
457             }
458             else
459             {
460                 string_index = 1;
461                 string_length = 0;
462                 while (string_index < string_header.gx_string_header_string_count)
463                 {
464                     string_length++;
465 
466                     get_char = (GX_CHAR)info.gx_binres_root_address[info.gx_binres_read_offset];
467                     info.gx_binres_read_offset++;
468 
469                     if (get_char == '\0')
470                     {
471                         if (string_length == 1)
472                         {
473                             language_table[lang_index][string_index] = GX_NULL;
474                         }
475                         else
476                         {
477                             language_table[lang_index][string_index] = (GX_UBYTE *)(info.gx_binres_root_address + info.gx_binres_read_offset - string_length);
478                         }
479 
480                         string_length = 0;
481                         string_index++;
482                     }
483                 }
484             }
485         }
486     }
487 
488     if (status == GX_SUCCESS)
489     {
490         *returned_language_table = language_table;
491     }
492     else
493     {
494         /* Free allocated memory when language loading failed. */
495         if (info.gx_binres_buffer)
496         {
497             _gx_system_memory_free(info.gx_binres_buffer);
498         }
499 
500         *returned_language_table = GX_NULL;
501     }
502 
503 
504     return status;
505 }
506 #endif
507 #endif
508 
509 /**************************************************************************/
510 /*                                                                        */
511 /*  FUNCTION                                               RELEASE        */
512 /*                                                                        */
513 /*    _gx_binres_language_table_load_ext                  PORTABLE C      */
514 /*                                                           6.1          */
515 /*  AUTHOR                                                                */
516 /*                                                                        */
517 /*    Kenneth Maxwell, Microsoft Corporation                              */
518 /*                                                                        */
519 /*  DESCRIPTION                                                           */
520 /*                                                                        */
521 /*    This service loads a language table from a binary data buffer.      */
522 /*                                                                        */
523 /*  INPUT                                                                 */
524 /*                                                                        */
525 /*    root_address                          Root address of binary        */
526 /*                                            resource data               */
527 /*    returned_language_table               Pointer to loaded language    */
528 /*                                           table                        */
529 /*                                                                        */
530 /*  OUTPUT                                                                */
531 /*                                                                        */
532 /*    Status                                Completion status             */
533 /*                                                                        */
534 /*  CALLS                                                                 */
535 /*                                                                        */
536 /*    _gx_binres_language_table_buffer_allocate                           */
537 /*                                          Allocate needed buffer for    */
538 /*                                            loading language table      */
539 /*    _gx_binres_resource_header_load                                     */
540 /*                                          Read resource header          */
541 /*    _gx_binres_string_header_load         Read string data header       */
542 /*    _gx_binres_language_header_load       Read language data header     */
543 /*    _gx_system_memory_free                Application defined memory    */
544 /*                                            free function               */
545 /*                                                                        */
546 /*  CALLED BY                                                             */
547 /*                                                                        */
548 /*    Application Code                                                    */
549 /*                                                                        */
550 /*  RELEASE HISTORY                                                       */
551 /*                                                                        */
552 /*    DATE              NAME                      DESCRIPTION             */
553 /*                                                                        */
554 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
555 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
556 /*                                            resulting in version 6.1    */
557 /*                                                                        */
558 /**************************************************************************/
559 #ifdef GX_BINARY_RESOURCE_SUPPORT
_gx_binres_language_table_load_ext(GX_UBYTE * root_address,GX_STRING *** returned_language_table)560 UINT _gx_binres_language_table_load_ext(GX_UBYTE *root_address, GX_STRING ***returned_language_table)
561 {
562 UINT                status;
563 GX_BINRES_DATA_INFO info;
564 GX_RESOURCE_HEADER  header;
565 GX_STRING_HEADER    string_header;
566 GX_LANGUAGE_HEADER  language_header;
567 GX_STRING         **language_table;
568 UINT                lang_index;
569 UINT                string_index;
570 USHORT              string_length;
571 GX_UBYTE           *get_data;
572 
573     memset(&info, 0, sizeof(GX_BINRES_DATA_INFO));
574 
575     info.gx_binres_root_address = root_address;
576 
577     /* Allocate memory that needed for language table.  */
578     status = _gx_binres_language_table_buffer_allocate(&info, sizeof(GX_STRING *), sizeof(GX_STRING));
579 
580     /* Read Resource header. */
581     info.gx_binres_read_offset = 0;
582     _gx_binres_resource_header_load(&info, &header);
583 
584     /* Skip theme info.  */
585     info.gx_binres_read_offset += header.gx_resource_header_theme_data_size;
586 
587     if (header.gx_resource_header_magic_number != GX_MAGIC_NUMBER)
588     {
589         return GX_INVALID_FORMAT;
590     }
591 
592     language_table = GX_NULL;
593 
594     /* Read language table.  */
595     if (status == GX_SUCCESS)
596     {
597         /* Read string header. */
598         _gx_binres_string_header_load(&info, &string_header);
599 
600         language_table = (GX_STRING **)(info.gx_binres_buffer + info.gx_binres_buffer_index);
601         info.gx_binres_buffer_index += sizeof(GX_STRING *) * string_header.gx_string_header_language_count;
602 
603         for (lang_index = 0; lang_index < string_header.gx_string_header_language_count; lang_index++)
604         {
605             /* Read language header.  */
606             _gx_binres_language_header_load(&info, &language_header);
607 
608             if (language_header.gx_language_header_magic_number != GX_MAGIC_NUMBER)
609             {
610                 status = GX_INVALID_FORMAT;
611                 break;
612             }
613 
614             /* Read string table.  */
615             language_table[lang_index] = (GX_STRING *)(info.gx_binres_buffer + info.gx_binres_buffer_index);
616             info.gx_binres_buffer_index += sizeof(GX_STRING) * string_header.gx_string_header_string_count;
617 
618             for (string_index = 1; string_index < string_header.gx_string_header_string_count; string_index++)
619             {
620                 /* Read string length. */
621                 get_data = info.gx_binres_root_address + info.gx_binres_read_offset;
622                 string_length = *(get_data + 1);
623                 string_length = (USHORT)(string_length << 8);
624                 string_length = (USHORT)(string_length | (*get_data));
625                 info.gx_binres_read_offset += sizeof(USHORT);
626 
627                 if (string_length)
628                 {
629                     language_table[lang_index][string_index].gx_string_ptr = (GX_CHAR *)(info.gx_binres_root_address + info.gx_binres_read_offset);
630                 }
631                 else
632                 {
633                     language_table[lang_index][string_index].gx_string_ptr = GX_NULL;
634                 }
635 
636                 language_table[lang_index][string_index].gx_string_length = string_length;
637                 info.gx_binres_read_offset += (UINT)(string_length + 1);
638             }
639         }
640     }
641 
642     if (status == GX_SUCCESS)
643     {
644         *returned_language_table = language_table;
645     }
646     else
647     {
648         /* Free allocated memory when language loading failed. */
649         if (info.gx_binres_buffer)
650         {
651             _gx_system_memory_free(info.gx_binres_buffer);
652         }
653 
654         *returned_language_table = GX_NULL;
655     }
656 
657 
658     return status;
659 }
660 #endif
661 
662