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source: vbox/trunk/include/iprt/formats/hfs.h@ 93941

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1/** @file
2 * IPRT - Hierarchical File System (HFS).
3 */
4
5/*
6 * Copyright (C) 2009-2022 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_INCLUDED_formats_hfs_h
27#define IPRT_INCLUDED_formats_hfs_h
28#ifndef RT_WITHOUT_PRAGMA_ONCE
29# pragma once
30#endif
31
32
33#include <iprt/types.h>
34#include <iprt/assertcompile.h>
35
36
37/** @defgroup grp_rt_fmt_hfs HFS - Hierarchical File System.
38 * @{
39 */
40
41
42/** @name HFS signature words (HFSPlusVolumeHeader::signature)
43 * @{ */
44#define kHFSSigWord UINT16_C(0x4244)
45#define kHFSPlusSigWord UINT16_C(0x482b)
46#define kHFSXSigWord UINT16_C(0x4858)
47/** @} */
48
49/** @name HFS version numbers (HFSPlusVolumeHeader::version).
50 * @{ */
51#define kHFSPlusVersion UINT16_C(4)
52#define kHFSXVersion UINT16_C(5)
53/** @} */
54
55/** @name HFS mount version numbers (HFSPlusVolumeHeader::lastMountedVersion).
56 * @{ */
57#define kHFSPlusMountVersion UINT32_C(0x31302e30)
58#define kHFSJMountVersion UINT32_C(0x4846534a)
59#define kFSKMountVersion UINT32_C(0x46534b21)
60/** @} */
61
62/** @name Hard link file creators & types.
63 * @{ */
64#define kHardLinkFileType UINT32_C(0x686c6e6b)
65#define kHFSPlusCreator UINT32_C(0x6866732b)
66/** @} */
67
68/** @name Symlink file creators & types.
69 * @{ */
70#define kSymLinkFileType UINT32_C(0x736c6e6b)
71#define kSymLinkCreator UINT32_C(0x72686170)
72/** @} */
73
74/** @name Name limits.
75 * @{ */
76#define kHFSMaxVolumeNameChars UINT8_C(0x1b)
77#define kHFSMaxFileNameChars UINT8_C(0x1f)
78#define kHFSPlusMaxFileNameChars UINT8_C(0xff)
79#define kHFSMaxAttrNameLen UINT8_C(0x7f)
80/** @} */
81
82/** @name Extent descriptor record densities
83 * @{ */
84#define kHFSExtentDensity UINT8_C(3)
85#define kHFSPlusExtentDensity UINT8_C(8)
86/** @} */
87
88
89/** @name File IDs (various fileID members).
90 * @{ */
91#define kHFSRootParentID UINT32_C(0x00000001)
92#define kHFSRootFolderID UINT32_C(0x00000002)
93#define kHFSExtentsFileID UINT32_C(0x00000003)
94#define kHFSCatalogFileID UINT32_C(0x00000004)
95#define kHFSBadBlockFileID UINT32_C(0x00000005)
96#define kHFSAllocationFileID UINT32_C(0x00000006)
97#define kHFSStartupFileID UINT32_C(0x00000007)
98#define kHFSAttributesFileID UINT32_C(0x00000008)
99#define kHFSAttributeDataFileID UINT32_C(0x0000000c)
100#define kHFSRepairCatalogFileID UINT32_C(0x0000000e)
101#define kHFSBogusExtentFileID UINT32_C(0x0000000f)
102#define kHFSFirstUserCatalogNodeID UINT32_C(0x00000010)
103/** @} */
104
105/** @name Catalog record types.
106 * @{ */
107#define kHFSFolderRecord UINT16_C(0x0100)
108#define kHFSFileRecord UINT16_C(0x0200)
109#define kHFSFolderThreadRecord UINT16_C(0x0300)
110#define kHFSFileThreadRecord UINT16_C(0x0400)
111#define kHFSPlusFolderRecord UINT16_C(0x0001)
112#define kHFSPlusFileRecord UINT16_C(0x0002)
113#define kHFSPlusFolderThreadRecord UINT16_C(0x0003)
114#define kHFSPlusFileThreadRecord UINT16_C(0x0004)
115/** @} */
116
117/** @name File record bits and masks.
118 * @{ */
119#define kHFSFileLockedBit 0
120#define kHFSThreadExistsBit 1
121#define kHFSHasAttributesBit 2
122#define kHFSHasSecurityBit 3
123#define kHFSHasFolderCountBit 4
124#define kHFSHasLinkChainBit 5
125#define kHFSHasChildLinkBit 6
126#define kHFSHasDateAddedBit 7
127
128#define kHFSFileLockedMask RT_BIT(kHFSFileLockedBit)
129#define kHFSThreadExistsMask RT_BIT(kHFSThreadExistsBit)
130#define kHFSHasAttributesMask RT_BIT(kHFSHasAttributesBit)
131#define kHFSHasSecurityMask RT_BIT(kHFSHasSecurityBit)
132#define kHFSHasFolderCountMask RT_BIT(kHFSHasFolderCountBit)
133#define kHFSHasLinkChainMask RT_BIT(kHFSHasLinkChainBit)
134#define kHFSHasChildLinkMask RT_BIT(kHFSHasChildLinkBit)
135#define kHFSHasDateAddedMask RT_BIT(kHFSHasDateAddedBit)
136/** @} */
137
138/** @name Key and node lengths.
139 * @{ */
140#define kHFSPlusAttrKeyMaximumLength ( sizeof(HFSPlusAttrKey) - sizeof(uint16_t) )
141#define kHFSPlusAttrKeyMinimumLength ( kHFSPlusAttrKeyMaximumLength - (kHFSMaxAttrNameLen * sizeof(uint16_t)) )
142#define kHFSPlusExtentKeyMaximumLength ( sizeof(HFSPlusExtentKey) - sizeof(uint16_t),
143#define kHFSExtentKeyMaximumLength ( sizeof(HFSExtentKey) - sizeof(uint8_t) )
144#define kHFSPlusCatalogKeyMaximumLength ( sizeof(HFSPlusCatalogKey) - sizeof(uint16_t) )
145#define kHFSPlusCatalogKeyMinimumLength ( kHFSPlusCatalogKeyMaximumLength - sizeof(HFSUniStr255) + sizeof(uint16_t) )
146#define kHFSCatalogKeyMaximumLength ( sizeof(HFSCatalogKey) - sizeof(uint8_t) )
147#define kHFSCatalogKeyMinimumLength ( kHFSCatalogKeyMaximumLength - kHFSMaxFileNameChars - 1 + sizeof(uint8_t) )
148#define kHFSPlusCatalogMinNodeSize UINT16_C(0x1000)
149#define kHFSPlusExtentMinNodeSize UINT16_C(0x0200)
150#define kHFSPlusAttrMinNodeSize UINT16_C(0x1000)
151/** @} */
152
153/** @name Volume Attribute bits and masks.
154 * @remarks HFS has only 16-bit wide field, HFS+ has 32-bit.
155 * @{ */
156#define kHFSVolumeHardwareLockBit 7
157#define kHFSVolumeUnmountedBit 8
158#define kHFSVolumeSparedBlocksBit 9
159#define kHFSVolumeNoCacheRequiredBit 10
160#define kHFSBootVolumeInconsistentBit 11
161#define kHFSCatalogNodeIDsReusedBit 12
162#define kHFSVolumeJournaledBit 13
163#define kHFSVolumeInconsistentBit 14
164#define kHFSVolumeSoftwareLockBit 15
165#define kHFSUnusedNodeFixBit 31
166#define kHFSContentProtectionBit 30
167
168#define kHFSVolumeHardwareLockMask RT_BIT(kHFSVolumeHardwareLockBit)
169#define kHFSVolumeUnmountedMask RT_BIT(kHFSVolumeUnmountedBit)
170#define kHFSVolumeSparedBlocksMask RT_BIT(kHFSVolumeSparedBlocksBit)
171#define kHFSVolumeNoCacheRequiredMask RT_BIT(kHFSVolumeNoCacheRequiredBit)
172#define kHFSBootVolumeInconsistentMask RT_BIT(kHFSBootVolumeInconsistentBit)
173#define kHFSCatalogNodeIDsReusedMask RT_BIT(kHFSCatalogNodeIDsReusedBit)
174#define kHFSVolumeJournaledMask RT_BIT(kHFSVolumeJournaledBit)
175#define kHFSVolumeInconsistentMask RT_BIT(kHFSVolumeInconsistentBit)
176#define kHFSVolumeSoftwareLockMask RT_BIT(kHFSVolumeSoftwareLockBit)
177#define kHFSUnusedNodeFixMask RT_BIT(kHFSUnusedNodeFixBit)
178#define kHFSContentProtectionMask RT_BIT(kHFSContentProtectionBit)
179
180#define kHFSMDBAttributesMask UINT16_C(0x8380)
181/** @} */
182
183/** @name Misc
184 * @{ */
185#define kHFSUnusedNodesFixDate UINT32_C(0xc5ef2480)
186
187#define HFSPLUSMETADATAFOLDER "\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80\xE2\x90\x80HFS+ Private Data"
188#define HFSPLUS_DIR_METADATA_FOLDER ".HFS+ Private Directory Data\xd"
189#define HFS_INODE_PREFIX "iNode"
190#define HFS_DELETE_PREFIX "temp"
191#define HFS_DIRINODE_PREFIX "dir_"
192#define FIRST_LINK_XATTR_NAME "com.apple.system.hfs.firstlink"
193#define FIRST_LINK_XATTR_REC_SIZE ( sizeof(HFSPlusAttrData) + 10 )
194
195/* {b3e20f39-f292-11d6-97a4-00306543ecac} */
196#define HFS_UUID_NAMESPACE_ID "\xB3\xE2\x0F\x39\xF2\x92\x11\xD6\x97\xA4\x00\x30\x65\x43\xEC\xAC"
197
198#define SET_HFS_TEXT_ENCODING(a_uHint) (UINT32_C(0x656e6300) | (uint8_t)(a_uHint))
199#define GET_HFS_TEXT_ENCODING(a_uHint) ( ((a_uHint) & UINT32_C(0xffffff00)) == UINT32_C(0x656e6300) \
200 ? UINT32_C(0x000000ff)(a_uHint) : UINT32_MAX)
201/** @} */
202
203/** @name B-tree stuff.
204 * @{ */
205#define kMaxKeyLength 520
206
207#define kBTLeafNode (-1)
208#define kBTIndexNode 0
209#define kBTHeaderNode 1
210#define kBTMapNode 2
211
212#define kBTBadCloseMask RT_BIT_32(0)
213#define kBTBigKeysMask RT_BIT_32(1)
214#define kBTVariableIndexKeysMask RT_BIT_32(2)
215
216/** @} */
217
218/** @name B-tree compare types (BTHeaderRec::keyCompareType)
219 * @{ */
220#define kHFSCaseFolding UINT8_C(0xcf)
221#define kHFSBinaryCompare UINT8_C(0xbc)
222/** @} */
223
224/** @name Journal stuff.
225 * @{ */
226#define JIB_RESERVED_SIZE ( sizeof(uint32_t) * 32 - 85 )
227
228#define kJIJournalInFSMask RT_BIT_32(0)
229#define kJIJournalOnOtherDeviceMask RT_BIT_32(1)
230#define kJIJournalNeedInitMask RT_BIT_32(2)
231
232#define EXTJNL_CONTENT_TYPE_UUID "4a6f7572-6e61-11aa-aa11-00306543ecac"
233/** @} */
234
235
236
237typedef struct HFSUniStr255
238{
239 uint16_t length;
240 RTUTF16 unicode[255];
241} HFSUniStr255;
242AssertCompileSize(HFSUniStr255, 0x200);
243typedef const HFSUniStr255 * ConstHFSUniStr255Param;
244
245#pragma pack(1)
246typedef struct HFSExtentKey
247{
248 uint8_t keyLength;
249 uint8_t forkType;
250 uint32_t fileID; /**< Misaligned. */
251 uint16_t startBLock;
252} HFSExtentKey;
253#pragma pack()
254AssertCompileSize(HFSExtentKey, 8);
255
256typedef struct HFSPlusExtentKey
257{
258 uint16_t keyLength;
259 uint8_t forkType;
260 uint8_t pad;
261 uint32_t fileID;
262 uint32_t startBlock;
263} HFSPlusExtentKey;
264AssertCompileSize(HFSPlusExtentKey, 12);
265
266typedef struct HFSExtentDescriptor
267{
268 uint16_t startBlock;
269 uint16_t blockCount;
270} HFSExtentDescriptor;
271AssertCompileSize(HFSExtentDescriptor, 4);
272
273typedef struct HFSPlusExtentDescriptor
274{
275 uint32_t startBlock;
276 uint32_t blockCount;
277} HFSPlusExtentDescriptor;
278AssertCompileSize(HFSPlusExtentDescriptor, 8);
279
280typedef HFSExtentDescriptor HFSExtentRecord[3];
281typedef HFSPlusExtentDescriptor HFSPlusExtentRecord[8];
282
283typedef struct FndrFileInfo
284{
285 uint32_t fdType;
286 uint32_t fdCreator;
287 uint16_t fdFlags;
288 struct
289 {
290 int16_t v;
291 int16_t h;
292 } fdLocation;
293 uint16_t opaque;
294} FndrFileInfo;
295AssertCompileSize(FndrFileInfo, 16);
296
297typedef struct FndrDirInfo
298{
299 struct
300 {
301 int16_t top;
302 int16_t left;
303 int16_t bottom;
304 int16_t right;
305 } frRect;
306 uint16_t frFlags;
307 struct
308 {
309 int16_t v;
310 int16_t h;
311 } fdLocation;
312 uint16_t opaque;
313} FndrDirInfo;
314AssertCompileSize(FndrDirInfo, 16);
315
316typedef struct FndrOpaqueInfo
317{
318 int8_t opaque[16];
319} FndrOpaqueInfo;
320AssertCompileSize(FndrOpaqueInfo, 16);
321
322typedef struct FndrExtendedFileInfo
323{
324 uint32_t reserved1;
325 uint32_t date_added;
326 uint16_t extended_flags;
327 uint16_t reserved2;
328 uint32_t reserved3;
329} FndrExtendedFileInfo;
330AssertCompileSize(FndrExtendedFileInfo, 16);
331
332typedef struct FndrExtendedDirInfo
333{
334 uint32_t point;
335 uint32_t date_added;
336 uint16_t extended_flags;
337 uint16_t reserved3;
338 uint32_t reserved4;
339} FndrExtendedDirInfo;
340AssertCompileSize(FndrExtendedDirInfo, 16);
341
342typedef struct HFSPlusForkData
343{
344 uint64_t logicalSize;
345 uint32_t clumpSize;
346 uint32_t totalBlocks;
347 HFSPlusExtentRecord extents;
348} HFSPlusForkData;
349AssertCompileSize(HFSPlusForkData, 80);
350
351typedef struct HFSPlusBSDInfo
352{
353 uint32_t ownerID;
354 uint32_t groupID;
355 uint8_t adminFlags;
356 uint8_t ownerFlags;
357 uint16_t fileMode;
358 union
359 {
360 uint32_t iNodeNum;
361 uint32_t linkCount;
362 uint32_t rawDevice;
363 } special;
364} HFSPlusBSDInfo;
365AssertCompileSize(HFSPlusBSDInfo, 16);
366
367#pragma pack(1)
368typedef struct HFSCatalogKey
369{
370 uint8_t keyLength;
371 uint8_t reserved;
372 uint32_t parentID; /**< Misaligned. */
373 uint8_t nodeName[kHFSMaxFileNameChars + 1];
374} HFSCatalogKey;
375#pragma pack()
376AssertCompileSize(HFSCatalogKey, 0x26);
377
378#pragma pack(1)
379typedef struct HFSPlusCatalogKey
380{
381 uint16_t keyLength;
382 uint32_t parentID; /**< Misaligned. */
383 HFSUniStr255 nodeName;
384} HFSPlusCatalogKey;
385#pragma pack()
386AssertCompileSize(HFSPlusCatalogKey, 0x206);
387
388#pragma pack(1)
389typedef struct HFSCatalogFolder
390{
391 int16_t recordType;
392 uint16_t flags;
393 uint16_t valence;
394 uint32_t folderID; /**< Misaligned. */
395 uint32_t createDate; /**< Misaligned. */
396 uint32_t modifyDate; /**< Misaligned. */
397 uint32_t backupDate; /**< Misaligned. */
398 FndrDirInfo userInfo;
399 FndrOpaqueInfo finderInfo;
400 uint32_t reserved[4]; /**< Misaligned. */
401} HFSCatalogFolder;
402#pragma pack()
403AssertCompileSize(HFSCatalogFolder, 70);
404
405typedef struct HFSPlusCatalogFolder
406{
407 int16_t recordType;
408 uint16_t flags;
409 uint32_t valence;
410 uint32_t folderID;
411 uint32_t createDate;
412 uint32_t contentModDate;
413 uint32_t attributeModDate;
414 uint32_t accessDate;
415 uint32_t backupDate;
416 HFSPlusBSDInfo bsdInfo;
417 FndrDirInfo userInfo;
418 FndrOpaqueInfo finderInfo;
419 uint32_t textEncoding;
420 uint32_t folderCount;
421} HFSPlusCatalogFolder;
422AssertCompileSize(HFSPlusCatalogFolder, 88);
423
424#pragma pack(1)
425typedef struct HFSCatalogFile
426{
427 int16_t recordType;
428 uint8_t flags;
429 uint8_t fileType;
430 FndrFileInfo userInfo;
431 uint32_t fileID;
432 uint16_t dataStartBlock;
433 int32_t dataLogicalSize; /**< Misaligned. */
434 int32_t dataPhysicalSize; /**< Misaligned. */
435 uint16_t rsrcStartBlock;
436 int32_t rsrcLogicalSize;
437 int32_t rsrcPhysicalSize;
438 uint32_t createDate;
439 uint32_t modifyDate;
440 uint32_t backupDate;
441 FndrOpaqueInfo finderInfo;
442 uint16_t clumpSize;
443 HFSExtentRecord dataExtents; /**< Misaligned. */
444 HFSExtentRecord rsrcExtents; /**< Misaligned. */
445 uint32_t reserved; /**< Misaligned. */
446} HFSCatalogFile;
447#pragma pack()
448AssertCompileSize(HFSCatalogFile, 102);
449
450#pragma pack(1)
451typedef struct HFSPlusCatalogFile
452{
453 int16_t recordType;
454 uint16_t flags;
455 uint32_t reserved1;
456 uint32_t fileID;
457 uint32_t createDate;
458 uint32_t contentModDate;
459 uint32_t attributeModDate;
460 uint32_t accessDate;
461 uint32_t backupDate;
462 HFSPlusBSDInfo bsdInfo;
463 FndrFileInfo userInfo;
464 FndrOpaqueInfo finderInfo;
465 uint32_t textEncoding;
466 uint32_t reserved2;
467 HFSPlusForkData dataFork;
468 HFSPlusForkData resourceFork;
469} HFSPlusCatalogFile;
470#pragma pack()
471AssertCompileMemberAlignment(HFSPlusCatalogFile, dataFork, 8);
472AssertCompileSize(HFSPlusCatalogFile, 248);
473
474#pragma pack(1)
475typedef struct HFSCatalogThread
476{
477 int16_t recordType;
478 int32_t reserved[2];
479 uint32_t parentID;
480 uint8_t nodeName[kHFSMaxFileNameChars + 1];
481} HFSCatalogThread;
482#pragma pack()
483AssertCompileSize(HFSCatalogThread, 46);
484
485typedef struct HFSPlusCatalogThread
486{
487 int16_t recordType;
488 int16_t reserved;
489 uint32_t parentID;
490 HFSUniStr255 nodeName;
491} HFSPlusCatalogThread;
492AssertCompileSize(HFSPlusCatalogThread, 0x208);
493
494typedef struct HFSPlusAttrForkData
495{
496 uint32_t recordType;
497 uint32_t reserved;
498 HFSPlusForkData theFork;
499} HFSPlusAttrForkData;
500AssertCompileSize(HFSPlusAttrForkData, 88);
501
502typedef struct HFSPlusAttrExtents
503{
504 uint32_t recordType;
505 uint32_t reserved;
506 HFSPlusExtentRecord extents;
507} HFSPlusAttrExtents;
508AssertCompileSize(HFSPlusAttrExtents, 72);
509
510#pragma pack(1)
511typedef struct HFSPlusAttrData
512{
513 uint32_t recordType;
514 uint32_t reserved[2];
515 uint32_t attrSize;
516 uint8_t attrData[2]; /**< Causes misaligned struct size. */
517} HFSPlusAttrData;
518#pragma pack()
519AssertCompileSize(HFSPlusAttrData, 18);
520
521#pragma pack(1)
522typedef struct HFSPlusAttrInlineData
523{
524 uint32_t recordType;
525 uint32_t reserved;
526 uint32_t logicalSize;
527 uint8_t userData[2]; /**< Causes misaligned struct size. */
528} HFSPlusAttrInlineData;
529#pragma pack()
530AssertCompileSize(HFSPlusAttrInlineData, 14);
531
532typedef union HFSPlusAttrRecord
533{
534 uint32_t recordType;
535 HFSPlusAttrInlineData inlineData;
536 HFSPlusAttrData attrData;
537 HFSPlusAttrForkData forkData;
538 HFSPlusAttrExtents overflowExtents;
539} HFSPlusAttrRecord;
540AssertCompileSize(HFSPlusAttrRecord, 88);
541
542typedef struct HFSPlusAttrKey
543{
544 uint16_t keyLength;
545 uint16_t pad;
546 uint32_t fileID;
547 uint32_t startBlock;
548 uint16_t attrNameLen;
549 RTUTF16 attrName[kHFSMaxAttrNameLen];
550} HFSPlusAttrKey;
551AssertCompileSize(HFSPlusAttrKey, 268);
552
553#pragma pack(1)
554typedef struct HFSMasterDirectoryBlock
555{
556 uint16_t drSigWord;
557 uint32_t drCrDate; /**< Misaligned. */
558 uint32_t drLsMod; /**< Misaligned. */
559 uint16_t drAtrb;
560 uint16_t drNmFls;
561 uint16_t drVBMSt;
562 uint16_t drAllocPtr;
563 uint16_t drNmAlBlks;
564 uint32_t drAlBlkSiz;
565 uint32_t drClpSiz;
566 uint16_t drAlBlSt;
567 uint32_t drNxCNID; /**< Misaligned. */
568 uint16_t drFreeBks;
569 uint8_t drVN[kHFSMaxVolumeNameChars + 1];
570 uint32_t drVolBkUp;
571 uint16_t drVSeqNum;
572 uint32_t drWrCnt; /**< Misaligned. */
573 uint32_t drXTClpSiz; /**< Misaligned. */
574 uint32_t drCTClpSiz; /**< Misaligned. */
575 uint16_t drNmRtDirs;
576 uint32_t drFilCnt;
577 uint32_t drDirCnt;
578 uint32_t drFndrInfo[8];
579 uint16_t drEmbedSigWord;
580 HFSExtentDescriptor drEmbedExtent;
581 uint32_t drXTFlSize; /**< Misaligned. */
582 HFSExtentRecord drXTExtRec;
583 uint32_t drCTFlSize; /**< Misaligned. */
584 HFSExtentRecord drCTExtRec;
585} HFSMasterDirectoryBlock;
586#pragma pack()
587AssertCompileSize(HFSMasterDirectoryBlock, 162);
588
589typedef struct HFSPlusVolumeHeader
590{
591 uint16_t signature;
592 uint16_t version;
593 uint32_t attributes;
594 uint32_t lastMountedVersion;
595 uint32_t journalInfoBlock;
596 uint32_t createDate;
597 uint32_t modifyDate;
598 uint32_t backupDate;
599 uint32_t checkedDate;
600 uint32_t fileCount;
601 uint32_t folderCount;
602 uint32_t blockSize;
603 uint32_t totalBlocks;
604 uint32_t freeBlocks;
605 uint32_t nextAllocation;
606 uint32_t rsrcClumpSize;
607 uint32_t dataClumpSize;
608 uint32_t nextCatalogID;
609 uint32_t writeCount;
610 uint64_t encodingsBitmap;
611 uint8_t finderInfo[32];
612 HFSPlusForkData allocationFile;
613 HFSPlusForkData extentsFile;
614 HFSPlusForkData catalogFile;
615 HFSPlusForkData attributesFile;
616 HFSPlusForkData startupFile;
617} HFSPlusVolumeHeader;
618AssertCompileMemberAlignment(HFSPlusVolumeHeader, nextCatalogID, 8);
619AssertCompileSize(HFSPlusVolumeHeader, 512);
620
621typedef union BTreeKey
622{
623 uint8_t length8;
624 uint16_t length16;
625 uint8_t rawData[kMaxKeyLength + 2];
626} BTreeKey;
627AssertCompileSize(BTreeKey, 522);
628
629#pragma pack(1)
630typedef struct BTNodeDescriptor
631{
632 uint32_t fLink;
633 uint32_t bLink;
634 int8_t kind;
635 uint8_t height;
636 uint16_t numRecords;
637 uint16_t reserved; /**< Causes struct size misalignment. */
638} BTNodeDescriptor;
639#pragma pack()
640AssertCompileSize(BTNodeDescriptor, 14);
641
642#pragma pack(1)
643typedef struct BTHeaderRec
644{
645 uint16_t treeDepth;
646 uint32_t rootNode; /**< Misaligned. */
647 uint32_t leafRecords; /**< Misaligned. */
648 uint32_t firstLeafNode; /**< Misaligned. */
649 uint32_t lastLeafNode; /**< Misaligned. */
650 uint16_t nodeSize;
651 uint16_t maxKeyLength;
652 uint32_t totalNodes; /**< Misaligned. */
653 uint32_t freeNodes; /**< Misaligned. */
654 uint16_t reserved1;
655 uint32_t clumpSize;
656 uint8_t btreeType;
657 uint8_t keyCompareType;
658 uint32_t attributes; /**< Misaligned. */
659 uint32_t reserved3[16]; /**< Misaligned. */
660} BTHeaderRec;
661#pragma pack()
662AssertCompileSize(BTHeaderRec, 106);
663
664#pragma pack(1)
665typedef struct JournalInfoBlock
666{
667 uint32_t flags;
668 uint32_t devices_signature[8];
669 uint64_t offset; /**< Misaligned (morons). */
670 uint64_t size; /**< Misaligned. */
671 char ext_jnl_uuid[37];
672 char machine_serial_num[48];
673 char reserved[JIB_RESERVED_SIZE];
674} JournalInfoBlock;
675#pragma pack()
676AssertCompileSize(JournalInfoBlock, 180);
677
678/** @} */
679
680#endif /* !IPRT_INCLUDED_formats_hfs_h */
681
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