hfs.h@ 77807

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1	/** @file
2	* IPRT - Hierarchical File System (HFS).
3	*/
4
5	/*
6	* Copyright (C) 2009-2019 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	#define kHFSCaseFolding UINT8_C(0xcf)
220	#define kHFSBinaryCompare UINT8_C(0xbc)
221	/** @} */
222
223	/** @name Journal stuff.
224	* @{ */
225	#define JIB_RESERVED_SIZE ( sizeof(uint32_t) * 32 - 85 )
226
227	#define kJIJournalInFSMask RT_BIT_32(0)
228	#define kJIJournalOnOtherDeviceMask RT_BIT_32(1)
229	#define kJIJournalNeedInitMask RT_BIT_32(2)
230
231	#define EXTJNL_CONTENT_TYPE_UUID "4a6f7572-6e61-11aa-aa11-00306543ecac"
232	/** @} */
233
234
235
236	typedef struct HFSUniStr255
237	{
238	uint16_t length;
239	RTUTF16 unicode[255];
240	} HFSUniStr255;
241	AssertCompileSize(HFSUniStr255, 0x200);
242	typedef const HFSUniStr255 * ConstHFSUniStr255Param;
243
244	#pragma pack(1)
245	typedef struct HFSExtentKey
246	{
247	uint8_t keyLength;
248	uint8_t forkType;
249	uint32_t fileID; /*< Misaligned. /
250	uint16_t startBLock;
251	} HFSExtentKey;
252	#pragma pack()
253	AssertCompileSize(HFSExtentKey, 8);
254
255	typedef struct HFSPlusExtentKey
256	{
257	uint16_t keyLength;
258	uint8_t forkType;
259	uint8_t pad;
260	uint32_t fileID;
261	uint32_t startBlock;
262	} HFSPlusExtentKey;
263	AssertCompileSize(HFSPlusExtentKey, 12);
264
265	typedef struct HFSExtentDescriptor
266	{
267	uint16_t startBlock;
268	uint16_t blockCount;
269	} HFSExtentDescriptor;
270	AssertCompileSize(HFSExtentDescriptor, 4);
271
272	typedef struct HFSPlusExtentDescriptor
273	{
274	uint32_t startBlock;
275	uint32_t blockCount;
276	} HFSPlusExtentDescriptor;
277	AssertCompileSize(HFSPlusExtentDescriptor, 8);
278
279	typedef HFSExtentDescriptor HFSExtentRecord[3];
280	typedef HFSPlusExtentDescriptor HFSPlusExtentRecord[8];
281
282	typedef struct FndrFileInfo
283	{
284	uint32_t fdType;
285	uint32_t fdCreator;
286	uint16_t fdFlags;
287	struct
288	{
289	int16_t v;
290	int16_t h;
291	} fdLocation;
292	uint16_t opaque;
293	} FndrFileInfo;
294	AssertCompileSize(FndrFileInfo, 16);
295
296	typedef struct FndrDirInfo
297	{
298	struct
299	{
300	int16_t top;
301	int16_t left;
302	int16_t bottom;
303	int16_t right;
304	} frRect;
305	uint16_t frFlags;
306	struct
307	{
308	int16_t v;
309	int16_t h;
310	} fdLocation;
311	uint16_t opaque;
312	} FndrDirInfo;
313	AssertCompileSize(FndrDirInfo, 16);
314
315	typedef struct FndrOpaqueInfo
316	{
317	int8_t opaque[16];
318	} FndrOpaqueInfo;
319	AssertCompileSize(FndrOpaqueInfo, 16);
320
321	typedef struct FndrExtendedFileInfo
322	{
323	uint32_t reserved1;
324	uint32_t date_added;
325	uint16_t extended_flags;
326	uint16_t reserved2;
327	uint32_t reserved3;
328	} FndrExtendedFileInfo;
329	AssertCompileSize(FndrExtendedFileInfo, 16);
330
331	typedef struct FndrExtendedDirInfo
332	{
333	uint32_t point;
334	uint32_t date_added;
335	uint16_t extended_flags;
336	uint16_t reserved3;
337	uint32_t reserved4;
338	} FndrExtendedDirInfo;
339	AssertCompileSize(FndrExtendedDirInfo, 16);
340
341	typedef struct HFSPlusForkData
342	{
343	uint64_t logicalSize;
344	uint32_t clumpSize;
345	uint32_t totalBlocks;
346	HFSPlusExtentRecord extents;
347	} HFSPlusForkData;
348	AssertCompileSize(HFSPlusForkData, 80);
349
350	typedef struct HFSPlusBSDInfo
351	{
352	uint32_t ownerID;
353	uint32_t groupID;
354	uint8_t adminFlags;
355	uint8_t ownerFlags;
356	uint16_t fileMode;
357	union
358	{
359	uint32_t iNodeNum;
360	uint32_t linkCount;
361	uint32_t rawDevice;
362	} special;
363	} HFSPlusBSDInfo;
364	AssertCompileSize(HFSPlusBSDInfo, 16);
365
366	#pragma pack(1)
367	typedef struct HFSCatalogKey
368	{
369	uint8_t keyLength;
370	uint8_t reserved;
371	uint32_t parentID; /*< Misaligned. /
372	uint8_t nodeName[kHFSMaxFileNameChars + 1];
373	} HFSCatalogKey;
374	#pragma pack()
375	AssertCompileSize(HFSCatalogKey, 0x26);
376
377	#pragma pack(1)
378	typedef struct HFSPlusCatalogKey
379	{
380	uint16_t keyLength;
381	uint32_t parentID; /*< Misaligned. /
382	HFSUniStr255 nodeName;
383	} HFSPlusCatalogKey;
384	#pragma pack()
385	AssertCompileSize(HFSPlusCatalogKey, 0x206);
386
387	#pragma pack(1)
388	typedef struct HFSCatalogFolder
389	{
390	int16_t recordType;
391	uint16_t flags;
392	uint16_t valence;
393	uint32_t folderID; /*< Misaligned. /
394	uint32_t createDate; /*< Misaligned. /
395	uint32_t modifyDate; /*< Misaligned. /
396	uint32_t backupDate; /*< Misaligned. /
397	FndrDirInfo userInfo;
398	FndrOpaqueInfo finderInfo;
399	uint32_t reserved[4]; /*< Misaligned. /
400	} HFSCatalogFolder;
401	#pragma pack()
402	AssertCompileSize(HFSCatalogFolder, 70);
403
404	typedef struct HFSPlusCatalogFolder
405	{
406	int16_t recordType;
407	uint16_t flags;
408	uint32_t valence;
409	uint32_t folderID;
410	uint32_t createDate;
411	uint32_t contentModDate;
412	uint32_t attributeModDate;
413	uint32_t accessDate;
414	uint32_t backupDate;
415	HFSPlusBSDInfo bsdInfo;
416	FndrDirInfo userInfo;
417	FndrOpaqueInfo finderInfo;
418	uint32_t textEncoding;
419	uint32_t folderCount;
420	} HFSPlusCatalogFolder;
421	AssertCompileSize(HFSPlusCatalogFolder, 88);
422
423	#pragma pack(1)
424	typedef struct HFSCatalogFile
425	{
426	int16_t recordType;
427	uint8_t flags;
428	uint8_t fileType;
429	FndrFileInfo userInfo;
430	uint32_t fileID;
431	uint16_t dataStartBlock;
432	int32_t dataLogicalSize; /*< Misaligned. /
433	int32_t dataPhysicalSize; /*< Misaligned. /
434	uint16_t rsrcStartBlock;
435	int32_t rsrcLogicalSize;
436	int32_t rsrcPhysicalSize;
437	uint32_t createDate;
438	uint32_t modifyDate;
439	uint32_t backupDate;
440	FndrOpaqueInfo finderInfo;
441	uint16_t clumpSize;
442	HFSExtentRecord dataExtents; /*< Misaligned. /
443	HFSExtentRecord rsrcExtents; /*< Misaligned. /
444	uint32_t reserved; /*< Misaligned. /
445	} HFSCatalogFile;
446	#pragma pack()
447	AssertCompileSize(HFSCatalogFile, 102);
448
449	#pragma pack(1)
450	typedef struct HFSPlusCatalogFile
451	{
452	int16_t recordType;
453	uint16_t flags;
454	uint32_t reserved1;
455	uint32_t fileID;
456	uint32_t createDate;
457	uint32_t contentModDate;
458	uint32_t attributeModDate;
459	uint32_t accessDate;
460	uint32_t backupDate;
461	HFSPlusBSDInfo bsdInfo;
462	FndrFileInfo userInfo;
463	FndrOpaqueInfo finderInfo;
464	uint32_t textEncoding;
465	uint32_t reserved2;
466	HFSPlusForkData dataFork;
467	HFSPlusForkData resourceFork;
468	} HFSPlusCatalogFile;
469	#pragma pack()
470	AssertCompileMemberAlignment(HFSPlusCatalogFile, dataFork, 8);
471	AssertCompileSize(HFSPlusCatalogFile, 248);
472
473	#pragma pack(1)
474	typedef struct HFSCatalogThread
475	{
476	int16_t recordType;
477	int32_t reserved[2];
478	uint32_t parentID;
479	uint8_t nodeName[kHFSMaxFileNameChars + 1];
480	} HFSCatalogThread;
481	#pragma pack()
482	AssertCompileSize(HFSCatalogThread, 46);
483
484	typedef struct HFSPlusCatalogThread
485	{
486	int16_t recordType;
487	int16_t reserved;
488	uint32_t parentID;
489	HFSUniStr255 nodeName;
490	} HFSPlusCatalogThread;
491	AssertCompileSize(HFSPlusCatalogThread, 0x208);
492
493	typedef struct HFSPlusAttrForkData
494	{
495	uint32_t recordType;
496	uint32_t reserved;
497	HFSPlusForkData theFork;
498	} HFSPlusAttrForkData;
499	AssertCompileSize(HFSPlusAttrForkData, 88);
500
501	typedef struct HFSPlusAttrExtents
502	{
503	uint32_t recordType;
504	uint32_t reserved;
505	HFSPlusExtentRecord extents;
506	} HFSPlusAttrExtents;
507	AssertCompileSize(HFSPlusAttrExtents, 72);
508
509	#pragma pack(1)
510	typedef struct HFSPlusAttrData
511	{
512	uint32_t recordType;
513	uint32_t reserved[2];
514	uint32_t attrSize;
515	uint8_t attrData[2]; /*< Causes misaligned struct size. /
516	} HFSPlusAttrData;
517	#pragma pack()
518	AssertCompileSize(HFSPlusAttrData, 18);
519
520	#pragma pack(1)
521	typedef struct HFSPlusAttrInlineData
522	{
523	uint32_t recordType;
524	uint32_t reserved;
525	uint32_t logicalSize;
526	uint8_t userData[2]; /*< Causes misaligned struct size. /
527	} HFSPlusAttrInlineData;
528	#pragma pack()
529	AssertCompileSize(HFSPlusAttrInlineData, 14);
530
531	typedef union HFSPlusAttrRecord
532	{
533	uint32_t recordType;
534	HFSPlusAttrInlineData inlineData;
535	HFSPlusAttrData attrData;
536	HFSPlusAttrForkData forkData;
537	HFSPlusAttrExtents overflowExtents;
538	} HFSPlusAttrRecord;
539	AssertCompileSize(HFSPlusAttrRecord, 88);
540
541	typedef struct HFSPlusAttrKey
542	{
543	uint16_t keyLength;
544	uint16_t pad;
545	uint32_t fileID;
546	uint32_t startBlock;
547	uint16_t attrNameLen;
548	RTUTF16 attrName[kHFSMaxAttrNameLen];
549	} HFSPlusAttrKey;
550	AssertCompileSize(HFSPlusAttrKey, 268);
551
552	#pragma pack(1)
553	typedef struct HFSMasterDirectoryBlock
554	{
555	uint16_t drSigWord;
556	uint32_t drCrDate; /*< Misaligned. /
557	uint32_t drLsMod; /*< Misaligned. /
558	uint16_t drAtrb;
559	uint16_t drNmFls;
560	uint16_t drVBMSt;
561	uint16_t drAllocPtr;
562	uint16_t drNmAlBlks;
563	uint32_t drAlBlkSiz;
564	uint32_t drClpSiz;
565	uint16_t drAlBlSt;
566	uint32_t drNxCNID; /*< Misaligned. /
567	uint16_t drFreeBks;
568	uint8_t drVN[kHFSMaxVolumeNameChars + 1];
569	uint32_t drVolBkUp;
570	uint16_t drVSeqNum;
571	uint32_t drWrCnt; /*< Misaligned. /
572	uint32_t drXTClpSiz; /*< Misaligned. /
573	uint32_t drCTClpSiz; /*< Misaligned. /
574	uint16_t drNmRtDirs;
575	uint32_t drFilCnt;
576	uint32_t drDirCnt;
577	uint32_t drFndrInfo[8];
578	uint16_t drEmbedSigWord;
579	HFSExtentDescriptor drEmbedExtent;
580	uint32_t drXTFlSize; /*< Misaligned. /
581	HFSExtentRecord drXTExtRec;
582	uint32_t drCTFlSize; /*< Misaligned. /
583	HFSExtentRecord drCTExtRec;
584	} HFSMasterDirectoryBlock;
585	#pragma pack()
586	AssertCompileSize(HFSMasterDirectoryBlock, 162);
587
588	typedef struct HFSPlusVolumeHeader
589	{
590	uint16_t signature;
591	uint16_t version;
592	uint32_t attributes;
593	uint32_t lastMountedVersion;
594	uint32_t journalInfoBlock;
595	uint32_t createDate;
596	uint32_t modifyDate;
597	uint32_t backupDate;
598	uint32_t checkedDate;
599	uint32_t fileCount;
600	uint32_t folderCount;
601	uint32_t blockSize;
602	uint32_t totalBlocks;
603	uint32_t freeBlocks;
604	uint32_t nextAllocation;
605	uint32_t rsrcClumpSize;
606	uint32_t dataClumpSize;
607	uint32_t nextCatalogID;
608	uint32_t writeCount;
609	uint64_t encodingsBitmap;
610	uint8_t finderInfo[32];
611	HFSPlusForkData allocationFile;
612	HFSPlusForkData extentsFile;
613	HFSPlusForkData catalogFile;
614	HFSPlusForkData attributesFile;
615	HFSPlusForkData startupFile;
616	} HFSPlusVolumeHeader;
617	AssertCompileMemberAlignment(HFSPlusVolumeHeader, nextCatalogID, 8);
618	AssertCompileSize(HFSPlusVolumeHeader, 512);
619
620	typedef union BTreeKey
621	{
622	uint8_t length8;
623	uint16_t length16;
624	uint8_t rawData[kMaxKeyLength + 2];
625	} BTreeKey;
626	AssertCompileSize(BTreeKey, 522);
627
628	#pragma pack(1)
629	typedef struct BTNodeDescriptor
630	{
631	uint32_t fLink;
632	uint32_t bLink;
633	int8_t kind;
634	uint8_t height;
635	uint16_t numRecords;
636	uint16_t reserved; /*< Causes struct size misalignment. /
637	} BTNodeDescriptor;
638	#pragma pack()
639	AssertCompileSize(BTNodeDescriptor, 14);
640
641	#pragma pack(1)
642	typedef struct BTHeaderRec
643	{
644	uint16_t treeDepth;
645	uint32_t rootNode; /*< Misaligned. /
646	uint32_t leafRecords; /*< Misaligned. /
647	uint32_t firstLeafNode; /*< Misaligned. /
648	uint32_t lastLeafNode; /*< Misaligned. /
649	uint16_t nodeSize;
650	uint16_t maxKeyLength;
651	uint32_t totalNodes; /*< Misaligned. /
652	uint32_t freeNodes; /*< Misaligned. /
653	uint16_t reserved1;
654	uint32_t clumpSize;
655	uint8_t btreeType;
656	uint8_t keyCompareType;
657	uint32_t attributes; /*< Misaligned. /
658	uint32_t reserved3[16]; /*< Misaligned. /
659	} BTHeaderRec;
660	#pragma pack()
661	AssertCompileSize(BTHeaderRec, 106);
662
663	#pragma pack(1)
664	typedef struct JournalInfoBlock
665	{
666	uint32_t flags;
667	uint32_t devices_signature[8];
668	uint64_t offset; /*< Misaligned (morons). /
669	uint64_t size; /*< Misaligned. /
670	char ext_jnl_uuid[37];
671	char machine_serial_num[48];
672	char reserved[JIB_RESERVED_SIZE];
673	} JournalInfoBlock;
674	#pragma pack()
675	AssertCompileSize(JournalInfoBlock, 180);
676
677	/** @} */
678
679	#endif /* !IPRT_INCLUDED_formats_hfs_h */
680

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source: vbox/trunk/include/iprt/formats/hfs.h@ 77807

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