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16048fcf | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
bea6b2a4 | 16 | /* $Id$ */ |
17 | ||
16048fcf | 18 | /////////////////////////////////////////////////////////////////////////////// |
bea6b2a4 | 19 | /// |
20 | /// This is a class for reading raw data from a date file or event. | |
21 | /// | |
22 | /// The AliRawReaderDate is constructed either with a pointer to a | |
23 | /// date event or with a file name and an event number. | |
24 | /// | |
16048fcf | 25 | /////////////////////////////////////////////////////////////////////////////// |
26 | ||
27 | #include "AliRawReaderDate.h" | |
28 | #ifdef ALI_DATE | |
29 | #include "event.h" | |
30 | #endif | |
31 | ||
32 | ClassImp(AliRawReaderDate) | |
33 | ||
34 | ||
35 | AliRawReaderDate::AliRawReaderDate( | |
36 | #ifdef ALI_DATE | |
37 | void* event | |
38 | #else | |
39 | void* /* event */ | |
40 | #endif | |
c946ab02 | 41 | ) : |
dd9a70fe | 42 | fFile(NULL), |
c946ab02 | 43 | fEvent(NULL), |
44 | fSubEvent(NULL), | |
45 | fEquipment(NULL), | |
c946ab02 | 46 | fPosition(NULL), |
47 | fEnd(NULL) | |
16048fcf | 48 | { |
49 | // create an object to read digits from the given date event | |
50 | ||
51 | #ifdef ALI_DATE | |
52 | fEvent = (eventHeaderStruct*) event; | |
c946ab02 | 53 | #else |
54 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
55 | #endif | |
56 | } | |
57 | ||
58 | AliRawReaderDate::AliRawReaderDate( | |
59 | #ifdef ALI_DATE | |
60 | const char* fileName, Int_t eventNumber | |
61 | #else | |
62 | const char* /*fileName*/, | |
63 | Int_t /*eventNumber*/ | |
64 | #endif | |
65 | ) : | |
dd9a70fe | 66 | fFile(NULL), |
c946ab02 | 67 | fEvent(NULL), |
68 | fSubEvent(NULL), | |
69 | fEquipment(NULL), | |
c946ab02 | 70 | fPosition(NULL), |
71 | fEnd(NULL) | |
72 | { | |
73 | // create an object to read digits from the given date event | |
74 | ||
75 | #ifdef ALI_DATE | |
dd9a70fe | 76 | fFile = fopen(fileName, "rb"); |
77 | if (!fFile) { | |
c946ab02 | 78 | Error("AliRawReaderDate", "could not open file %s", fileName); |
79 | return; | |
80 | } | |
dd9a70fe | 81 | if (eventNumber < 0) return; |
82 | ||
c946ab02 | 83 | eventHeaderStruct header; |
84 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
dd9a70fe | 85 | while (fread(&header, 1, headerSize, fFile) == headerSize) { |
c946ab02 | 86 | if (eventNumber == 0) { |
87 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
dd9a70fe | 88 | fseek(fFile, -headerSize, SEEK_CUR); |
89 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) break; | |
c946ab02 | 90 | fEvent = (eventHeaderStruct*) buffer; |
c946ab02 | 91 | break; |
92 | } | |
dd9a70fe | 93 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); |
c946ab02 | 94 | eventNumber--; |
95 | } | |
c946ab02 | 96 | |
16048fcf | 97 | #else |
98 | Fatal("AliRawReaderDate", "this class was compiled without DATE"); | |
99 | #endif | |
100 | } | |
101 | ||
102 | AliRawReaderDate::AliRawReaderDate(const AliRawReaderDate& rawReader) : | |
c946ab02 | 103 | AliRawReader(rawReader), |
dd9a70fe | 104 | fFile(rawReader.fFile), |
c946ab02 | 105 | fEvent(rawReader.fEvent), |
106 | fSubEvent(rawReader.fSubEvent), | |
107 | fEquipment(rawReader.fEquipment), | |
c946ab02 | 108 | fPosition(rawReader.fPosition), |
109 | fEnd(rawReader.fEnd) | |
110 | ||
16048fcf | 111 | { |
112 | // copy constructor | |
113 | ||
dd9a70fe | 114 | Fatal("AliRawReaderDate", "copy constructor not implemented"); |
16048fcf | 115 | } |
116 | ||
117 | AliRawReaderDate& AliRawReaderDate::operator = (const AliRawReaderDate& | |
dd9a70fe | 118 | /*rawReader*/) |
16048fcf | 119 | { |
120 | // assignment operator | |
121 | ||
dd9a70fe | 122 | Fatal("operator =", "assignment operator not implemented"); |
16048fcf | 123 | return *this; |
124 | } | |
125 | ||
c946ab02 | 126 | AliRawReaderDate::~AliRawReaderDate() |
127 | { | |
128 | // destructor | |
129 | ||
130 | #ifdef ALI_DATE | |
dd9a70fe | 131 | if (fFile) { |
132 | delete[] fEvent; | |
133 | fclose(fFile); | |
134 | } | |
c946ab02 | 135 | #endif |
136 | } | |
137 | ||
16048fcf | 138 | |
139 | UInt_t AliRawReaderDate::GetType() const | |
140 | { | |
141 | // get the type from the event header | |
142 | ||
143 | #ifdef ALI_DATE | |
144 | if (!fEvent) return 0; | |
145 | return fEvent->eventType; | |
146 | #else | |
147 | return 0; | |
148 | #endif | |
149 | } | |
150 | ||
151 | UInt_t AliRawReaderDate::GetRunNumber() const | |
152 | { | |
153 | // get the run number from the event header | |
154 | ||
155 | #ifdef ALI_DATE | |
156 | if (!fEvent) return 0; | |
157 | return fEvent->eventRunNb; | |
158 | #else | |
159 | return 0; | |
160 | #endif | |
161 | } | |
162 | ||
163 | const UInt_t* AliRawReaderDate::GetEventId() const | |
164 | { | |
165 | // get the event id from the event header | |
166 | ||
167 | #ifdef ALI_DATE | |
168 | if (!fEvent) return NULL; | |
169 | return fEvent->eventId; | |
170 | #else | |
171 | return NULL; | |
172 | #endif | |
173 | } | |
174 | ||
175 | const UInt_t* AliRawReaderDate::GetTriggerPattern() const | |
176 | { | |
177 | // get the trigger pattern from the event header | |
178 | ||
179 | #ifdef ALI_DATE | |
180 | if (!fEvent) return NULL; | |
181 | return fEvent->eventTriggerPattern; | |
182 | #else | |
183 | return NULL; | |
184 | #endif | |
185 | } | |
186 | ||
187 | const UInt_t* AliRawReaderDate::GetDetectorPattern() const | |
188 | { | |
189 | // get the detector pattern from the event header | |
190 | ||
191 | #ifdef ALI_DATE | |
192 | if (!fEvent) return NULL; | |
193 | return fEvent->eventDetectorPattern; | |
194 | #else | |
195 | return NULL; | |
196 | #endif | |
197 | } | |
198 | ||
199 | const UInt_t* AliRawReaderDate::GetAttributes() const | |
200 | { | |
201 | // get the type attributes from the event header | |
202 | ||
203 | #ifdef ALI_DATE | |
204 | if (!fEvent) return NULL; | |
205 | return fEvent->eventTypeAttribute; | |
206 | #else | |
207 | return NULL; | |
208 | #endif | |
209 | } | |
210 | ||
e94ad92c | 211 | const UInt_t* AliRawReaderDate::GetSubEventAttributes() const |
212 | { | |
213 | // get the type attributes from the sub event header | |
214 | ||
215 | #ifdef ALI_DATE | |
216 | if (!fSubEvent) return NULL; | |
217 | return fSubEvent->eventTypeAttribute; | |
218 | #else | |
219 | return NULL; | |
220 | #endif | |
221 | } | |
222 | ||
c946ab02 | 223 | UInt_t AliRawReaderDate::GetLDCId() const |
224 | { | |
225 | // get the LDC Id from the event header | |
226 | ||
227 | #ifdef ALI_DATE | |
228 | if (!fSubEvent) return 0; | |
229 | return fSubEvent->eventLdcId; | |
230 | #else | |
231 | return 0; | |
232 | #endif | |
233 | } | |
234 | ||
16048fcf | 235 | UInt_t AliRawReaderDate::GetGDCId() const |
236 | { | |
237 | // get the GDC Id from the event header | |
238 | ||
239 | #ifdef ALI_DATE | |
240 | if (!fEvent) return 0; | |
241 | return fEvent->eventGdcId; | |
242 | #else | |
243 | return 0; | |
244 | #endif | |
245 | } | |
246 | ||
247 | ||
c946ab02 | 248 | Int_t AliRawReaderDate::GetEquipmentSize() const |
249 | { | |
87db01b0 | 250 | // get the size of the equipment (without header) |
c946ab02 | 251 | |
252 | #ifdef ALI_DATE | |
253 | if (!fEquipment) return 0; | |
87db01b0 | 254 | if (fSubEvent->eventVersion <= 0x00030001) { |
255 | return fEquipment->equipmentSize; | |
256 | } else { | |
257 | return fEquipment->equipmentSize - sizeof(equipmentHeaderStruct); | |
258 | } | |
c946ab02 | 259 | #else |
260 | return 0; | |
261 | #endif | |
262 | } | |
263 | ||
264 | Int_t AliRawReaderDate::GetEquipmentType() const | |
265 | { | |
266 | // get the type from the equipment header | |
267 | ||
268 | #ifdef ALI_DATE | |
269 | if (!fEquipment) return -1; | |
270 | return fEquipment->equipmentType; | |
271 | #else | |
272 | return 0; | |
273 | #endif | |
274 | } | |
275 | ||
276 | Int_t AliRawReaderDate::GetEquipmentId() const | |
277 | { | |
278 | // get the ID from the equipment header | |
279 | ||
280 | #ifdef ALI_DATE | |
281 | if (!fEquipment) return -1; | |
282 | return fEquipment->equipmentId; | |
283 | #else | |
284 | return 0; | |
285 | #endif | |
286 | } | |
287 | ||
288 | const UInt_t* AliRawReaderDate::GetEquipmentAttributes() const | |
289 | { | |
290 | // get the attributes from the equipment header | |
291 | ||
292 | #ifdef ALI_DATE | |
293 | if (!fEquipment) return NULL; | |
294 | return fEquipment->equipmentTypeAttribute; | |
295 | #else | |
296 | return 0; | |
297 | #endif | |
298 | } | |
299 | ||
300 | Int_t AliRawReaderDate::GetEquipmentElementSize() const | |
301 | { | |
302 | // get the basic element size from the equipment header | |
303 | ||
304 | #ifdef ALI_DATE | |
305 | if (!fEquipment) return 0; | |
306 | return fEquipment->equipmentBasicElementSize; | |
307 | #else | |
308 | return 0; | |
309 | #endif | |
310 | } | |
311 | ||
312 | ||
313 | Bool_t AliRawReaderDate::ReadHeader() | |
16048fcf | 314 | { |
39f9963f | 315 | // read a data header at the current position |
316 | // returns kFALSE if the data header could not be read | |
16048fcf | 317 | |
b4857df7 | 318 | fErrorCode = 0; |
319 | ||
16048fcf | 320 | #ifdef ALI_DATE |
921a8308 | 321 | fHeader = NULL; |
16048fcf | 322 | if (!fEvent) return kFALSE; |
b4857df7 | 323 | // check whether there are sub events |
324 | if (fEvent->eventSize <= fEvent->eventHeadSize) return kFALSE; | |
325 | ||
16048fcf | 326 | do { |
b4857df7 | 327 | // skip payload (if event was not selected) |
328 | if (fCount > 0) fPosition += fCount; | |
329 | ||
c946ab02 | 330 | // get the first or the next equipment if at the end of an equipment |
331 | if (!fEquipment || (fPosition >= fEnd)) { | |
921a8308 | 332 | fEquipment = NULL; |
c946ab02 | 333 | |
334 | // get the first or the next sub event if at the end of a sub event | |
335 | if (!fSubEvent || | |
336 | (fPosition >= ((UChar_t*)fSubEvent) + fSubEvent->eventSize)) { | |
337 | ||
338 | // check for end of event data | |
339 | if (fPosition >= ((UChar_t*)fEvent)+fEvent->eventSize) return kFALSE; | |
5ba96ac1 | 340 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
341 | ATTR_SUPER_EVENT)) { | |
342 | fSubEvent = fEvent; // no super event | |
343 | } else if (fSubEvent) { | |
c946ab02 | 344 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fSubEvent) + |
345 | fSubEvent->eventSize); | |
346 | } else { | |
347 | fSubEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
348 | fEvent->eventHeadSize); | |
349 | } | |
350 | ||
351 | // check the magic word of the sub event | |
352 | if (fSubEvent->eventMagic != EVENT_MAGIC_NUMBER) { | |
353 | Error("ReadHeader", "wrong magic number in sub event!\n" | |
354 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
355 | fSubEvent->eventRunNb, | |
356 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
357 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
358 | fErrorCode = kErrMagic; | |
359 | return kFALSE; | |
360 | } | |
361 | ||
921a8308 | 362 | // continue if no data in the subevent |
363 | if (fSubEvent->eventSize == fSubEvent->eventHeadSize) { | |
364 | fPosition = fEnd = ((UChar_t*)fSubEvent) + fSubEvent->eventSize; | |
365 | fCount = 0; | |
366 | continue; | |
367 | } | |
368 | ||
c946ab02 | 369 | fEquipment = (equipmentHeaderStruct*) |
370 | (((UChar_t*)fSubEvent) + fSubEvent->eventHeadSize); | |
b4857df7 | 371 | |
16048fcf | 372 | } else { |
c946ab02 | 373 | fEquipment = (equipmentHeaderStruct*) fEnd; |
b4857df7 | 374 | } |
375 | ||
16048fcf | 376 | fCount = 0; |
c946ab02 | 377 | fPosition = ((UChar_t*)fEquipment) + sizeof(equipmentHeaderStruct); |
87db01b0 | 378 | if (fSubEvent->eventVersion <= 0x00030001) { |
921a8308 | 379 | fEnd = fPosition + fEquipment->equipmentSize; |
380 | } else { | |
381 | fEnd = ((UChar_t*)fEquipment) + fEquipment->equipmentSize; | |
382 | } | |
16048fcf | 383 | } |
b4857df7 | 384 | |
385 | // continue with the next sub event if no data left in the payload | |
386 | if (fPosition >= fEnd) continue; | |
387 | ||
39f9963f | 388 | if (fRequireHeader) { |
389 | // check that there are enough bytes left for the data header | |
390 | if (fPosition + sizeof(AliRawDataHeader) > fEnd) { | |
391 | Error("ReadHeader", "could not read data header data!"); | |
c946ab02 | 392 | Warning("ReadHeader", "skipping %d bytes\n" |
393 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
394 | fEnd - fPosition, fSubEvent->eventRunNb, | |
395 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
396 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
397 | fCount = 0; | |
398 | fPosition = fEnd; | |
39f9963f | 399 | fErrorCode = kErrNoDataHeader; |
c946ab02 | 400 | continue; |
401 | } | |
b4857df7 | 402 | |
39f9963f | 403 | // "read" the data header |
404 | fHeader = (AliRawDataHeader*) fPosition; | |
405 | fPosition += sizeof(AliRawDataHeader); | |
72dd1d4f | 406 | } |
c946ab02 | 407 | |
39f9963f | 408 | if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) { |
409 | fCount = fHeader->fSize - sizeof(AliRawDataHeader); | |
c946ab02 | 410 | |
39f9963f | 411 | // check consistency of data size in the header and in the sub event |
c946ab02 | 412 | if (fPosition + fCount > fEnd) { |
39f9963f | 413 | Error("ReadHeader", "size in data header exceeds event size!"); |
c946ab02 | 414 | Warning("ReadHeader", "skipping %d bytes\n" |
415 | " run: %d event: %d %d LDC: %d GDC: %d\n", | |
416 | fEnd - fPosition, fSubEvent->eventRunNb, | |
417 | fSubEvent->eventId[0], fSubEvent->eventId[1], | |
418 | fSubEvent->eventLdcId, fSubEvent->eventGdcId); | |
419 | fCount = 0; | |
420 | fPosition = fEnd; | |
421 | fErrorCode = kErrSize; | |
422 | continue; | |
423 | } | |
424 | ||
425 | } else { | |
426 | fCount = fEnd - fPosition; | |
16048fcf | 427 | } |
b4857df7 | 428 | |
921a8308 | 429 | } while (!fEquipment || !IsSelected()); |
b4857df7 | 430 | |
16048fcf | 431 | return kTRUE; |
432 | #else | |
433 | return kFALSE; | |
434 | #endif | |
435 | } | |
436 | ||
437 | Bool_t AliRawReaderDate::ReadNextData(UChar_t*& data) | |
438 | { | |
439 | // reads the next payload at the current position | |
440 | // returns kFALSE if the data could not be read | |
441 | ||
b4857df7 | 442 | fErrorCode = 0; |
16048fcf | 443 | while (fCount == 0) { |
c946ab02 | 444 | if (!ReadHeader()) return kFALSE; |
16048fcf | 445 | } |
446 | data = fPosition; | |
447 | fPosition += fCount; | |
448 | fCount = 0; | |
449 | return kTRUE; | |
450 | } | |
451 | ||
452 | Bool_t AliRawReaderDate::ReadNext(UChar_t* data, Int_t size) | |
453 | { | |
454 | // reads the next block of data at the current position | |
455 | // returns kFALSE if the data could not be read | |
456 | ||
b4857df7 | 457 | fErrorCode = 0; |
16048fcf | 458 | if (fPosition + size > fEnd) { |
459 | Error("ReadNext", "could not read data!"); | |
b4857df7 | 460 | fErrorCode = kErrOutOfBounds; |
16048fcf | 461 | return kFALSE; |
462 | } | |
463 | memcpy(data, fPosition, size); | |
464 | fPosition += size; | |
465 | fCount -= size; | |
466 | return kTRUE; | |
467 | } | |
468 | ||
469 | ||
470 | Bool_t AliRawReaderDate::Reset() | |
471 | { | |
472 | // reset the current position to the beginning of the event | |
473 | ||
474 | #ifdef ALI_DATE | |
475 | fSubEvent = NULL; | |
d7aa1c7c | 476 | fEquipment = NULL; |
16048fcf | 477 | #endif |
478 | fCount = 0; | |
479 | fPosition = fEnd = NULL; | |
480 | return kTRUE; | |
481 | } | |
b4857df7 | 482 | |
483 | ||
dd9a70fe | 484 | Bool_t AliRawReaderDate::NextEvent() |
485 | { | |
486 | // go to the next event in the date file | |
487 | ||
5bec8712 | 488 | #ifdef ALI_DATE |
dd9a70fe | 489 | if (!fFile) return kFALSE; |
490 | ||
d7aa1c7c | 491 | Reset(); |
dd9a70fe | 492 | eventHeaderStruct header; |
493 | UInt_t headerSize = sizeof(eventHeaderStruct); | |
494 | if (fEvent) delete[] fEvent; | |
495 | fEvent = &header; | |
496 | ||
497 | while (fread(&header, 1, headerSize, fFile) == headerSize) { | |
498 | if (!IsEventSelected()) { | |
499 | fseek(fFile, header.eventSize-headerSize, SEEK_CUR); | |
500 | continue; | |
501 | } | |
502 | UChar_t* buffer = new UChar_t[header.eventSize]; | |
503 | fseek(fFile, -headerSize, SEEK_CUR); | |
504 | if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) { | |
505 | Error("NextEvent", "could not read event from file"); | |
506 | delete[] buffer; | |
507 | break; | |
508 | } | |
509 | fEvent = (eventHeaderStruct*) buffer; | |
510 | return kTRUE; | |
511 | }; | |
512 | ||
513 | fEvent = NULL; | |
bba5b21b | 514 | #endif |
5bec8712 | 515 | |
dd9a70fe | 516 | return kFALSE; |
517 | } | |
518 | ||
519 | Bool_t AliRawReaderDate::RewindEvents() | |
520 | { | |
521 | // go back to the beginning of the date file | |
522 | ||
523 | if (!fFile) return kFALSE; | |
524 | ||
525 | fseek(fFile, 0, SEEK_SET); | |
526 | return Reset(); | |
527 | } | |
528 | ||
529 | ||
b4857df7 | 530 | Int_t AliRawReaderDate::CheckData() const |
531 | { | |
532 | // check the consistency of the data | |
533 | ||
534 | #ifdef ALI_DATE | |
535 | if (!fEvent) return 0; | |
536 | // check whether there are sub events | |
537 | if (fEvent->eventSize <= fEvent->eventHeadSize) return 0; | |
538 | ||
539 | eventHeaderStruct* subEvent = NULL; | |
540 | UChar_t* position = 0; | |
541 | UChar_t* end = 0; | |
be50fca2 | 542 | Int_t result = 0; |
b4857df7 | 543 | |
544 | while (kTRUE) { | |
545 | // get the first or the next sub event if at the end of a sub event | |
546 | if (!subEvent || (position >= end)) { | |
547 | ||
548 | // check for end of event data | |
be50fca2 | 549 | if (position >= ((UChar_t*)fEvent)+fEvent->eventSize) return result; |
5ba96ac1 | 550 | if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute, |
551 | ATTR_SUPER_EVENT)) { | |
552 | subEvent = fEvent; // no super event | |
553 | } else if (subEvent) { | |
b4857df7 | 554 | subEvent = (eventHeaderStruct*) (((UChar_t*)subEvent) + |
555 | subEvent->eventSize); | |
556 | } else { | |
557 | subEvent = (eventHeaderStruct*) (((UChar_t*)fEvent) + | |
558 | fEvent->eventHeadSize); | |
559 | } | |
560 | ||
561 | // check the magic word of the sub event | |
be50fca2 | 562 | if (subEvent->eventMagic != EVENT_MAGIC_NUMBER) { |
563 | result |= kErrMagic; | |
564 | return result; | |
565 | } | |
b4857df7 | 566 | |
567 | position = ((UChar_t*)subEvent) + subEvent->eventHeadSize + | |
568 | sizeof(equipmentHeaderStruct); | |
569 | end = ((UChar_t*)subEvent) + subEvent->eventSize; | |
570 | } | |
571 | ||
572 | // continue with the next sub event if no data left in the payload | |
573 | if (position >= end) continue; | |
574 | ||
18882b3b | 575 | if (fRequireHeader) { |
39f9963f | 576 | // check that there are enough bytes left for the data header |
18882b3b | 577 | if (position + sizeof(AliRawDataHeader) > end) { |
578 | result |= kErrNoDataHeader; | |
39f9963f | 579 | position = end; |
18882b3b | 580 | continue; |
581 | } | |
582 | ||
583 | // check consistency of data size in the data header and in the sub event | |
584 | AliRawDataHeader* header = (AliRawDataHeader*) position; | |
585 | if (header->fSize != 0xFFFFFFFF) { | |
586 | if (position + header->fSize > end) result |= kErrSize; | |
39f9963f | 587 | } |
be50fca2 | 588 | } |
18882b3b | 589 | position = end; |
b4857df7 | 590 | }; |
591 | ||
592 | #endif | |
593 | return 0; | |
594 | } |