hfs.h@ 90114

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1	/** @file
2	* IPRT - Hierarchical File System (HFS).
3	*/
4
5	/*
6	* Copyright (C) 2009-2020 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
237	typedef struct HFSUniStr255
238	{
239	uint16_t length;
240	RTUTF16 unicode[255];
241	} HFSUniStr255;
242	AssertCompileSize(HFSUniStr255, 0x200);
243	typedef const HFSUniStr255 * ConstHFSUniStr255Param;
244
245	#pragma pack(1)
246	typedef 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()
254	AssertCompileSize(HFSExtentKey, 8);
255
256	typedef 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;
264	AssertCompileSize(HFSPlusExtentKey, 12);
265
266	typedef struct HFSExtentDescriptor
267	{
268	uint16_t startBlock;
269	uint16_t blockCount;
270	} HFSExtentDescriptor;
271	AssertCompileSize(HFSExtentDescriptor, 4);
272
273	typedef struct HFSPlusExtentDescriptor
274	{
275	uint32_t startBlock;
276	uint32_t blockCount;
277	} HFSPlusExtentDescriptor;
278	AssertCompileSize(HFSPlusExtentDescriptor, 8);
279
280	typedef HFSExtentDescriptor HFSExtentRecord[3];
281	typedef HFSPlusExtentDescriptor HFSPlusExtentRecord[8];
282
283	typedef 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;
295	AssertCompileSize(FndrFileInfo, 16);
296
297	typedef 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;
314	AssertCompileSize(FndrDirInfo, 16);
315
316	typedef struct FndrOpaqueInfo
317	{
318	int8_t opaque[16];
319	} FndrOpaqueInfo;
320	AssertCompileSize(FndrOpaqueInfo, 16);
321
322	typedef 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;
330	AssertCompileSize(FndrExtendedFileInfo, 16);
331
332	typedef 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;
340	AssertCompileSize(FndrExtendedDirInfo, 16);
341
342	typedef struct HFSPlusForkData
343	{
344	uint64_t logicalSize;
345	uint32_t clumpSize;
346	uint32_t totalBlocks;
347	HFSPlusExtentRecord extents;
348	} HFSPlusForkData;
349	AssertCompileSize(HFSPlusForkData, 80);
350
351	typedef 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;
365	AssertCompileSize(HFSPlusBSDInfo, 16);
366
367	#pragma pack(1)
368	typedef 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()
376	AssertCompileSize(HFSCatalogKey, 0x26);
377
378	#pragma pack(1)
379	typedef struct HFSPlusCatalogKey
380	{
381	uint16_t keyLength;
382	uint32_t parentID; /*< Misaligned. /
383	HFSUniStr255 nodeName;
384	} HFSPlusCatalogKey;
385	#pragma pack()
386	AssertCompileSize(HFSPlusCatalogKey, 0x206);
387
388	#pragma pack(1)
389	typedef 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()
403	AssertCompileSize(HFSCatalogFolder, 70);
404
405	typedef 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;
422	AssertCompileSize(HFSPlusCatalogFolder, 88);
423
424	#pragma pack(1)
425	typedef 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()
448	AssertCompileSize(HFSCatalogFile, 102);
449
450	#pragma pack(1)
451	typedef 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()
471	AssertCompileMemberAlignment(HFSPlusCatalogFile, dataFork, 8);
472	AssertCompileSize(HFSPlusCatalogFile, 248);
473
474	#pragma pack(1)
475	typedef 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()
483	AssertCompileSize(HFSCatalogThread, 46);
484
485	typedef struct HFSPlusCatalogThread
486	{
487	int16_t recordType;
488	int16_t reserved;
489	uint32_t parentID;
490	HFSUniStr255 nodeName;
491	} HFSPlusCatalogThread;
492	AssertCompileSize(HFSPlusCatalogThread, 0x208);
493
494	typedef struct HFSPlusAttrForkData
495	{
496	uint32_t recordType;
497	uint32_t reserved;
498	HFSPlusForkData theFork;
499	} HFSPlusAttrForkData;
500	AssertCompileSize(HFSPlusAttrForkData, 88);
501
502	typedef struct HFSPlusAttrExtents
503	{
504	uint32_t recordType;
505	uint32_t reserved;
506	HFSPlusExtentRecord extents;
507	} HFSPlusAttrExtents;
508	AssertCompileSize(HFSPlusAttrExtents, 72);
509
510	#pragma pack(1)
511	typedef 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()
519	AssertCompileSize(HFSPlusAttrData, 18);
520
521	#pragma pack(1)
522	typedef 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()
530	AssertCompileSize(HFSPlusAttrInlineData, 14);
531
532	typedef union HFSPlusAttrRecord
533	{
534	uint32_t recordType;
535	HFSPlusAttrInlineData inlineData;
536	HFSPlusAttrData attrData;
537	HFSPlusAttrForkData forkData;
538	HFSPlusAttrExtents overflowExtents;
539	} HFSPlusAttrRecord;
540	AssertCompileSize(HFSPlusAttrRecord, 88);
541
542	typedef 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;
551	AssertCompileSize(HFSPlusAttrKey, 268);
552
553	#pragma pack(1)
554	typedef 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()
587	AssertCompileSize(HFSMasterDirectoryBlock, 162);
588
589	typedef 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;
618	AssertCompileMemberAlignment(HFSPlusVolumeHeader, nextCatalogID, 8);
619	AssertCompileSize(HFSPlusVolumeHeader, 512);
620
621	typedef union BTreeKey
622	{
623	uint8_t length8;
624	uint16_t length16;
625	uint8_t rawData[kMaxKeyLength + 2];
626	} BTreeKey;
627	AssertCompileSize(BTreeKey, 522);
628
629	#pragma pack(1)
630	typedef 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()
640	AssertCompileSize(BTNodeDescriptor, 14);
641
642	#pragma pack(1)
643	typedef 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()
662	AssertCompileSize(BTHeaderRec, 106);
663
664	#pragma pack(1)
665	typedef 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()
676	AssertCompileSize(JournalInfoBlock, 180);
677
678	/** @} */
679
680	#endif /* !IPRT_INCLUDED_formats_hfs_h */
681

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source: vbox/trunk/include/iprt/formats/hfs.h@ 90114

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