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source: vbox/trunk/include/iprt/formats/hfs.h@ 46407

Last change on this file since 46407 was 46407, checked in by vboxsync, 12 years ago

iprt/formats/hfs.h: Initial coding.
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1/** @file
2 * IPRT - Hierarchical File System (HFS).
3 */
4
5/*
6 * Copyright (C) 2009-2013 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef ___iprt_formats_hfs_h
27#define ___iprt_formats_hfs_h
28
29
30#include <iprt/types.h>
31#include <iprt/assert.h>
32
33
34/** @defgroup grp_rt_fmt_hfs HFS - Hierarchical File System.
35 * @{
36 */
37
38
39/** @name HFS signature words (HFSPlusVolumeHeader::signature)
40 * @{ */
41#define kHFSSigWord UINT16_C(0x4244)
42#define kHFSPlusSigWord UINT16_C(0x482b)
43#define kHFSXSigWord UINT16_C(0x4858)
44/** @} */
45
46/** @name HFS version numbers (HFSPlusVolumeHeader::version).
47 * @{ */
48#define kHFSPlusVersion UINT16_C(4)
49#define kHFSXVersion UINT16_C(5)
50/** @} */
51
52/** @name HFS mount version numbers (HFSPlusVolumeHeader::lastMountedVersion).
53 * @{ */
54#define kHFSPlusMountVersion UINT32_C(0x31302e30)
55#define kHFSJMountVersion UINT32_C(0x4846534a)
56#define kFSKMountVersion UINT32_C(0x46534b21)
57/** @} */
58
59/** @name Hard link file creators & types.
60 * @{ */
61#define kHardLinkFileType UINT32_C(0x686c6e6b)
62#define kHFSPlusCreator UINT32_C(0x6866732b)
63/** @} */
64
65/** @name Symlink file creators & types.
66 * @{ */
67#define kSymLinkFileType UINT32_C(0x736c6e6b)
68#define kSymLinkCreator UINT32_C(0x72686170)
69/** @} */
70
71/** @name Name limits.
72 * @{ */
73#define kHFSMaxVolumeNameChars UINT8_C(0x1b)
74#define kHFSMaxFileNameChars UINT8_C(0x1f)
75#define kHFSPlusMaxFileNameChars UINT8_C(0xff)
76#define kHFSMaxAttrNameLen UINT8_C(0x7f)
77/** @} */
78
79/** @name Extent descriptor record densities
80 * @{ */
81#define kHFSExtentDensity UINT8_C(3)
82#define kHFSPlusExtentDensity UINT8_C(8)
83/** @} */
84
85
86/** @name File IDs (various fileID members).
87 * @{ */
88#define kHFSRootParentID UINT32_C(0x00000001)
89#define kHFSRootFolderID UINT32_C(0x00000002)
90#define kHFSExtentsFileID UINT32_C(0x00000003)
91#define kHFSCatalogFileID UINT32_C(0x00000004)
92#define kHFSBadBlockFileID UINT32_C(0x00000005)
93#define kHFSAllocationFileID UINT32_C(0x00000006)
94#define kHFSStartupFileID UINT32_C(0x00000007)
95#define kHFSAttributesFileID UINT32_C(0x00000008)
96#define kHFSAttributeDataFileID UINT32_C(0x0000000c)
97#define kHFSRepairCatalogFileID UINT32_C(0x0000000e)
98#define kHFSBogusExtentFileID UINT32_C(0x0000000f)
99#define kHFSFirstUserCatalogNodeID UINT32_C(0x00000010)
100/** @} */
101
102/** @name Key and node lengths.
103 * @{ */
104#define kHFSPlusAttrKeyMaximumLength ( sizeof(HFSPlusAttrKey) - sizeof(uint16_t) )
105#define kHFSPlusAttrKeyMinimumLength ( kHFSPlusAttrKeyMaximumLength - (kHFSMaxAttrNameLen * sizeof(uint16_t)) )
106#define kHFSPlusExtentKeyMaximumLength ( sizeof(HFSPlusExtentKey) - sizeof(uint16_t),
107#define kHFSExtentKeyMaximumLength ( sizeof(HFSExtentKey) - sizeof(uint8_t) )
108#define kHFSPlusCatalogKeyMaximumLength ( sizeof(HFSPlusCatalogKey) - sizeof(uint16_t) )
109#define kHFSPlusCatalogKeyMinimumLength ( kHFSPlusCatalogKeyMaximumLength - sizeof(HFSUniStr255) + sizeof(uint16_t) )
110#define kHFSCatalogKeyMaximumLength ( sizeof(HFSCatalogKey) - sizeof(uint8_t) )
111#define kHFSCatalogKeyMinimumLength ( kHFSCatalogKeyMaximumLength - kHFSMaxFileNameChars - 1 + sizeof(uint8_t) )
112#define kHFSPlusCatalogMinNodeSize UINT16_C(0x1000)
113#define kHFSPlusExtentMinNodeSize UINT16_C(0x0200)
114#define kHFSPlusAttrMinNodeSize UINT16_C(0x1000)
115/** @} */
116
117/** @name Volume Attribute bits and masks.
118 * @remarks HFS has only 16-bit wide field, HFS+ has 32-bit.
119 * @{ */
120#define kHFSVolumeHardwareLockBit 7
121#define kHFSVolumeUnmountedBit 8
122#define kHFSVolumeSparedBlocksBit 9
123#define kHFSVolumeNoCacheRequiredBit 10
124#define kHFSBootVolumeInconsistentBit 11
125#define kHFSCatalogNodeIDsReusedBit 12
126#define kHFSVolumeJournaledBit 13
127#define kHFSVolumeInconsistentBit 14
128#define kHFSVolumeSoftwareLockBit 15
129#define kHFSUnusedNodeFixBit 31
130#define kHFSContentProtectionBit 30
131
132#define kHFSVolumeHardwareLockMask RT_BIT(kHFSVolumeHardwareLockBit)
133#define kHFSVolumeUnmountedMask RT_BIT(kHFSVolumeUnmountedBit)
134#define kHFSVolumeSparedBlocksMask RT_BIT(kHFSVolumeSparedBlocksBit)
135#define kHFSVolumeNoCacheRequiredMask RT_BIT(kHFSVolumeNoCacheRequiredBit)
136#define kHFSBootVolumeInconsistentMask RT_BIT(kHFSBootVolumeInconsistentBit)
137#define kHFSCatalogNodeIDsReusedMask RT_BIT(kHFSCatalogNodeIDsReusedBit)
138#define kHFSVolumeJournaledMask RT_BIT(kHFSVolumeJournaledBit)
139#define kHFSVolumeInconsistentMask RT_BIT(kHFSVolumeInconsistentBit)
140#define kHFSVolumeSoftwareLockMask RT_BIT(kHFSVolumeSoftwareLockBit)
141#define kHFSUnusedNodeFixMask RT_BIT(kHFSUnusedNodeFixBit)
142#define kHFSContentProtectionMask RT_BIT(kHFSContentProtectionBit)
143
144#define kHFSMDBAttributesMask UINT16_C(0x8380)
145/** @} */
146
147/** @name Misc
148 * @{ */
149#define kHFSUnusedNodesFixDate UINT32_C(0xc5ef2480)
150
151#define HFSPLUSMETADATAFOLDER "\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80HFS+ Private Data"
152#define HFSPLUS_DIR_METADATA_FOLDER ".HFS+ Private Directory Data\xd"
153#define HFS_INODE_PREFIX "iNode"
154#define HFS_DELETE_PREFIX "temp"
155#define HFS_DIRINODE_PREFIX "dir_"
156#define FIRST_LINK_XATTR_NAME "com.apple.system.hfs.firstlink"
157#define FIRST_LINK_XATTR_REC_SIZE ( sizeof(HFSPlusAttrData) + 10 )
158
159/* {b3e20f39-f292-11d6-97a4-00306543ecac} */
160#define HFS_UUID_NAMESPACE_ID "\xB3\xE2\x0F\x39\xF2\x92\x11\xD6\x97\xA4\x00\x30\x65\x43\xEC\xAC"
161
162#define SET_HFS_TEXT_ENCODING(a_uHint) (UINT32_C(0x656e6300) | (uint8_t)(a_uHint))
163#define GET_HFS_TEXT_ENCODING(a_uHint) ( ((a_uHint) & UINT32_C(0xffffff00)) == UINT32_C(0x656e6300) \
164 ? UINT32_C(0x000000ff)(a_uHint) : UINT32_MAX)
165/** @} */
166
167/** @name B-tree stuff.
168 * @{ */
169#define kMaxKeyLength 520
170
171#define kBTLeafNode (-1)
172#define kBTIndexNode 0
173#define kBTHeaderNode 1
174#define kBTMapNode 2
175
176#define kBTBadCloseMask RT_BIT_32(0)
177#define kBTBigKeysMask RT_BIT_32(1)
178#define kBTVariableIndexKeysMask RT_BIT_32(2)
179
180/** @} */
181
182/** @name B-tree compare types (BTHeaderRec::keyCompareType) */
183#define kHFSCaseFolding UINT8_C(0xcf)
184#define kHFSBinaryCompare UINT8_C(0xbc)
185/** @} */
186
187/** @name Journal stuff.
188 * @{ */
189#define JIB_RESERVED_SIZE ( sizeof(uint32_t) * 32 - 85 )
190
191#define kJIJournalInFSMask RT_BIT_32(0)
192#define kJIJournalOnOtherDeviceMask RT_BIT_32(1)
193#define kJIJournalNeedInitMask RT_BIT_32(2)
194
195#define EXTJNL_CONTENT_TYPE_UUID "4a6f7572-6e61-11aa-aa11-00306543ecac"
196/** @} */
197
198
199
200typedef struct HFSUniStr255
201{
202 uint16_t length;
203 RTUTF16 unicode[255];
204} HFSUniStr255;
205AssertCompileSize(HFSUniStr255, 0x200);
206typedef const HFSUniStr255 * ConstHFSUniStr255Param;
207
208#pragma pack(1)
209typedef struct HFSExtentKey
210{
211 uint8_t keyLength;
212 uint8_t forkType;
213 uint32_t fileID; /**< Misaligned. */
214 uint16_t startBLock;
215} HFSExtentKey;
216#pragma pack()
217AssertCompileSize(HFSExtentKey, 8);
218
219typedef struct HFSPlusExtentKey
220{
221 uint16_t keyLength;
222 uint8_t forkType;
223 uint8_t pad;
224 uint32_t fileID;
225 uint32_t startBlock;
226} HFSPlusExtentKey;
227AssertCompileSize(HFSPlusExtentKey, 12);
228
229typedef struct HFSExtentDescriptor
230{
231 uint16_t startBlock;
232 uint16_t blockCount;
233} HFSExtentDescriptor;
234AssertCompileSize(HFSExtentDescriptor, 4);
235
236typedef struct HFSPlusExtentDescriptor
237{
238 uint32_t startBlock;
239 uint32_t blockCount;
240} HFSPlusExtentDescriptor;
241AssertCompileSize(HFSPlusExtentDescriptor, 8);
242
243typedef HFSExtentDescriptor HFSExtentRecord[3];
244typedef HFSPlusExtentDescriptor HFSPlusExtentRecord[8];
245
246typedef struct FndrFileInfo
247{
248 uint32_t fdType;
249 uint32_t fdCreator;
250 uint16_t fdFlags;
251 struct
252 {
253 int16_t v;
254 int16_t h;
255 } fdLocation;
256 uint16_t opaque;
257} FndrFileInfo;
258AssertCompileSize(FndrFileInfo, 16);
259
260typedef struct FndrDirInfo
261{
262 struct
263 {
264 int16_t top;
265 int16_t left;
266 int16_t bottom;
267 int16_t right;
268 } frRect;
269 uint16_t frFlags;
270 struct
271 {
272 int16_t v;
273 int16_t h;
274 } fdLocation;
275 uint16_t opaque;
276} FndrDirInfo;
277AssertCompileSize(FndrDirInfo, 16);
278
279typedef struct FndrOpaqueInfo
280{
281 int8_t opaque[16];
282} FndrOpaqueInfo;
283AssertCompileSize(FndrOpaqueInfo, 16);
284
285typedef struct FndrExtendedFileInfo
286{
287 uint32_t reserved1;
288 uint32_t date_added;
289 uint16_t extended_flags;
290 uint16_t reserved2;
291 uint32_t reserved3;
292} FndrExtendedFileInfo;
293AssertCompileSize(FndrExtendedFileInfo, 16);
294
295typedef struct FndrExtendedDirInfo
296{
297 uint32_t point;
298 uint32_t date_added;
299 uint16_t extended_flags;
300 uint16_t reserved3;
301 uint32_t reserved4;
302} FndrExtendedDirInfo;
303AssertCompileSize(FndrExtendedDirInfo, 16);
304
305typedef struct HFSPlusForkData
306{
307 uint64_t logicalSize;
308 uint32_t clumpSize;
309 uint32_t totalBlocks;
310 HFSPlusExtentRecord extents;
311} HFSPlusForkData;
312AssertCompileSize(HFSPlusForkData, 80);
313
314typedef struct HFSPlusBSDInfo
315{
316 uint32_t ownerID;
317 uint32_t groupID;
318 uint8_t adminFlags;
319 uint8_t ownerFlags;
320 uint16_t fileMode;
321 union
322 {
323 uint32_t iNodeNum;
324 uint32_t linkCount;
325 uint32_t rawDevice;
326 } special;
327} HFSPlusBSDInfo;
328AssertCompileSize(HFSPlusBSDInfo, 16);
329
330#pragma pack(1)
331typedef struct HFSCatalogKey
332{
333 uint8_t keyLength;
334 uint8_t reserved;
335 uint32_t parentID; /**< Misaligned. */
336 uint8_t nodeName[kHFSMaxFileNameChars + 1];
337} HFSCatalogKey;
338#pragma pack()
339AssertCompileSize(HFSCatalogKey, 0x26);
340
341#pragma pack(1)
342typedef struct HFSPlusCatalogKey
343{
344 uint16_t keyLength;
345 uint32_t parentID; /**< Misaligned. */
346 HFSUniStr255 nodeName;
347} HFSPlusCatalogKey;
348#pragma pack()
349AssertCompileSize(HFSPlusCatalogKey, 0x206);
350
351#pragma pack(1)
352typedef struct HFSCatalogFolder
353{
354 int16_t recordType;
355 uint16_t flags;
356 uint16_t valence;
357 uint32_t folderID; /**< Misaligned. */
358 uint32_t createDate; /**< Misaligned. */
359 uint32_t modifyDate; /**< Misaligned. */
360 uint32_t backupDate; /**< Misaligned. */
361 FndrDirInfo userInfo;
362 FndrOpaqueInfo finderInfo;
363 uint32_t reserved[4]; /**< Misaligned. */
364} HFSCatalogFolder;
365#pragma pack()
366AssertCompileSize(HFSCatalogFolder, 70);
367
368typedef struct HFSPlusCatalogFolder
369{
370 int16_t recordType;
371 uint16_t flags;
372 uint32_t valence;
373 uint32_t folderID;
374 uint32_t createDate;
375 uint32_t contentModDate;
376 uint32_t attributeModDate;
377 uint32_t accessDate;
378 uint32_t backupDate;
379 HFSPlusBSDInfo bsdInfo;
380 FndrDirInfo userInfo;
381 FndrOpaqueInfo finderInfo;
382 uint32_t textEncoding;
383 uint32_t folderCount;
384} HFSPlusCatalogFolder;
385AssertCompileSize(HFSPlusCatalogFolder, 88);
386
387#pragma pack(1)
388typedef struct HFSCatalogFile
389{
390 int16_t recordType;
391 uint8_t flags;
392 uint8_t fileType;
393 FndrFileInfo userInfo;
394 uint32_t fileID;
395 uint16_t dataStartBlock;
396 int32_t dataLogicalSize; /**< Misaligned. */
397 int32_t dataPhysicalSize; /**< Misaligned. */
398 uint16_t rsrcStartBlock;
399 int32_t rsrcLogicalSize;
400 int32_t rsrcPhysicalSize;
401 uint32_t createDate;
402 uint32_t modifyDate;
403 uint32_t backupDate;
404 FndrOpaqueInfo finderInfo;
405 uint16_t clumpSize;
406 HFSExtentRecord dataExtents; /**< Misaligned. */
407 HFSExtentRecord rsrcExtents; /**< Misaligned. */
408 uint32_t reserved; /**< Misaligned. */
409} HFSCatalogFile;
410#pragma pack()
411AssertCompileSize(HFSCatalogFile, 102);
412
413#pragma pack(1)
414typedef struct HFSPlusCatalogFile
415{
416 int16_t recordType;
417 uint16_t flags;
418 uint32_t reserved1;
419 uint32_t fileID;
420 uint32_t createDate;
421 uint32_t contentModDate;
422 uint32_t attributeModDate;
423 uint32_t accessDate;
424 uint32_t backupDate;
425 HFSPlusBSDInfo bsdInfo;
426 FndrFileInfo userInfo;
427 FndrOpaqueInfo finderInfo;
428 uint32_t textEncoding;
429 uint32_t reserved2;
430 HFSPlusForkData dataFork;
431 HFSPlusForkData resourceFork;
432} HFSPlusCatalogFile;
433#pragma pack()
434AssertCompileMemberAlignment(HFSPlusCatalogFile, dataFork, 8);
435AssertCompileSize(HFSPlusCatalogFile, 248);
436
437#pragma pack(1)
438typedef struct HFSCatalogThread
439{
440 int16_t recordType;
441 int32_t reserved[2];
442 uint32_t parentID;
443 uint8_t nodeName[kHFSMaxFileNameChars + 1];
444} HFSCatalogThread;
445#pragma pack()
446AssertCompileSize(HFSCatalogThread, 46);
447
448typedef struct HFSPlusCatalogThread
449{
450 int16_t recordType;
451 int16_t reserved;
452 uint32_t parentID;
453 HFSUniStr255 nodeName;
454} HFSPlusCatalogThread;
455AssertCompileSize(HFSPlusCatalogThread, 0x208);
456
457typedef struct HFSPlusAttrForkData
458{
459 uint32_t recordType;
460 uint32_t reserved;
461 HFSPlusForkData theFork;
462} HFSPlusAttrForkData;
463AssertCompileSize(HFSPlusAttrForkData, 88);
464
465typedef struct HFSPlusAttrExtents
466{
467 uint32_t recordType;
468 uint32_t reserved;
469 HFSPlusExtentRecord extents;
470} HFSPlusAttrExtents;
471AssertCompileSize(HFSPlusAttrExtents, 72);
472
473#pragma pack(1)
474typedef struct HFSPlusAttrData
475{
476 uint32_t recordType;
477 uint32_t reserved[2];
478 uint32_t attrSize;
479 uint8_t attrData[2]; /**< Causes misaligned struct size. */
480} HFSPlusAttrData;
481#pragma pack()
482AssertCompileSize(HFSPlusAttrData, 18);
483
484#pragma pack(1)
485typedef struct HFSPlusAttrInlineData
486{
487 uint32_t recordType;
488 uint32_t reserved;
489 uint32_t logicalSize;
490 uint8_t userData[2]; /**< Causes misaligned struct size. */
491} HFSPlusAttrInlineData;
492#pragma pack()
493AssertCompileSize(HFSPlusAttrInlineData, 14);
494
495typedef union HFSPlusAttrRecord
496{
497 uint32_t recordType;
498 HFSPlusAttrInlineData inlineData;
499 HFSPlusAttrData attrData;
500 HFSPlusAttrForkData forkData;
501 HFSPlusAttrExtents overflowExtents;
502} HFSPlusAttrRecord;
503AssertCompileSize(HFSPlusAttrRecord, 88);
504
505typedef struct HFSPlusAttrKey
506{
507 uint16_t keyLength;
508 uint16_t pad;
509 uint32_t fileID;
510 uint32_t startBlock;
511 uint16_t attrNameLen;
512 RTUTF16 attrName[kHFSMaxAttrNameLen];
513} HFSPlusAttrKey;
514AssertCompileSize(HFSPlusAttrKey, 268);
515
516#pragma pack(1)
517typedef struct HFSMasterDirectoryBlock
518{
519 uint16_t drSigWord;
520 uint32_t drCrDate; /**< Misaligned. */
521 uint32_t drLsMod; /**< Misaligned. */
522 uint16_t drAtrb;
523 uint16_t drNmFls;
524 uint16_t drVBMSt;
525 uint16_t drAllocPtr;
526 uint16_t drNmAlBlks;
527 uint32_t drAlBlkSiz;
528 uint32_t drClpSiz;
529 uint16_t drAlBlSt;
530 uint32_t drNxCNID; /**< Misaligned. */
531 uint16_t drFreeBks;
532 uint8_t drVN[kHFSMaxVolumeNameChars + 1];
533 uint32_t drVolBkUp;
534 uint16_t drVSeqNum;
535 uint32_t drWrCnt; /**< Misaligned. */
536 uint32_t drXTClpSiz; /**< Misaligned. */
537 uint32_t drCTClpSiz; /**< Misaligned. */
538 uint16_t drNmRtDirs;
539 uint32_t drFilCnt;
540 uint32_t drDirCnt;
541 uint32_t drFndrInfo[8];
542 uint16_t drEmbedSigWord;
543 HFSExtentDescriptor drEmbedExtent;
544 uint32_t drXTFlSize; /**< Misaligned. */
545 HFSExtentRecord drXTExtRec;
546 uint32_t drCTFlSize; /**< Misaligned. */
547 HFSExtentRecord drCTExtRec;
548} HFSMasterDirectoryBlock;
549#pragma pack()
550AssertCompileSize(HFSMasterDirectoryBlock, 162);
551
552typedef struct HFSPlusVolumeHeader
553{
554 uint16_t signature;
555 uint16_t version;
556 uint32_t attributes;
557 uint32_t lastMountedVersion;
558 uint32_t journalInfoBlock;
559 uint32_t createDate;
560 uint32_t modifyDate;
561 uint32_t backupDate;
562 uint32_t checkedDate;
563 uint32_t fileCount;
564 uint32_t folderCount;
565 uint32_t blockSize;
566 uint32_t totalBlocks;
567 uint32_t freeBlocks;
568 uint32_t nextAllocation;
569 uint32_t rsrcClumpSize;
570 uint32_t dataClumpSize;
571 uint32_t nextCatalogID;
572 uint32_t writeCount;
573 uint64_t encodingsBitmap;
574 uint8_t finderInfo[32];
575 HFSPlusForkData allocationFile;
576 HFSPlusForkData extentsFile;
577 HFSPlusForkData catalogFile;
578 HFSPlusForkData attributesFile;
579 HFSPlusForkData startupFile;
580} HFSPlusVolumeHeader;
581AssertCompileMemberAlignment(HFSPlusVolumeHeader, nextCatalogID, 8);
582AssertCompileSize(HFSPlusVolumeHeader, 512);
583
584typedef union BTreeKey
585{
586 uint8_t length8;
587 uint16_t length16;
588 uint8_t rawData[kMaxKeyLength + 2];
589} BTreeKey;
590AssertCompileSize(BTreeKey, 522);
591
592#pragma pack(1)
593typedef struct BTNodeDescriptor
594{
595 uint32_t fLink;
596 uint32_t bLink;
597 int8_t kind;
598 uint8_t height;
599 uint16_t numRecords;
600 uint16_t reserved; /**< Causes struct size misalignment. */
601} BTNodeDescriptor;
602#pragma pack()
603AssertCompileSize(BTNodeDescriptor, 14);
604
605#pragma pack(1)
606typedef struct BTHeaderRec
607{
608 uint16_t treeDepth;
609 uint32_t rootNode; /**< Misaligned. */
610 uint32_t leafRecords; /**< Misaligned. */
611 uint32_t firstLeafNode; /**< Misaligned. */
612 uint32_t lastLeafNode; /**< Misaligned. */
613 uint16_t nodeSize;
614 uint16_t maxKeyLength;
615 uint32_t totalNodes; /**< Misaligned. */
616 uint32_t freeNodes; /**< Misaligned. */
617 uint16_t reserved1;
618 uint32_t clumpSize;
619 uint8_t btreeType;
620 uint8_t keyCompareType;
621 uint32_t attributes; /**< Misaligned. */
622 uint32_t reserved3[16]; /**< Misaligned. */
623} BTHeaderRec;
624#pragma pack()
625AssertCompileSize(BTHeaderRec, 106);
626
627#pragma pack(1)
628typedef struct JournalInfoBlock
629{
630 uint32_t flags;
631 uint32_t devices_signature[8];
632 uint64_t offset; /**< Misaligned (morons). */
633 uint64_t size; /**< Misaligned. */
634 char ext_jnl_uuid[37];
635 char machine_serial_num[48];
636 char reserved[JIB_RESERVED_SIZE];
637} JournalInfoBlock;
638#pragma pack()
639AssertCompileSize(JournalInfoBlock, 180);
640
641/** @} */
642
643#endif
644
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