2 * Compound Storage (32 bit version)
4 * Implemented using the documentation of the LAOLA project at
5 * <URL:http://wwwwbs.cs.tu-berlin.de/~schwartz/pmh/index.html>
6 * (Thanks to Martin Schwartz <schwartz@cs.tu-berlin.de>)
8 * This include file contains definitions of types and function
9 * prototypes that are used in the many files implementing the
10 * storage functionality
12 * Copyright 1998,1999 Francis Beaudet
13 * Copyright 1998,1999 Thuy Nguyen
15 #ifndef __STORAGE32_H__
16 #define __STORAGE32_H__
20 #include "wine/obj_base.h"
21 #include "wine/obj_storage.h"
24 * Definitions for the file format offsets.
26 static const ULONG OFFSET_BIGBLOCKSIZEBITS
= 0x0000001e;
27 static const ULONG OFFSET_SMALLBLOCKSIZEBITS
= 0x00000020;
28 static const ULONG OFFSET_BBDEPOTCOUNT
= 0x0000002C;
29 static const ULONG OFFSET_ROOTSTARTBLOCK
= 0x00000030;
30 static const ULONG OFFSET_SBDEPOTSTART
= 0x0000003C;
31 static const ULONG OFFSET_EXTBBDEPOTSTART
= 0x00000044;
32 static const ULONG OFFSET_EXTBBDEPOTCOUNT
= 0x00000048;
33 static const ULONG OFFSET_BBDEPOTSTART
= 0x0000004C;
34 static const ULONG OFFSET_PS_NAME
= 0x00000000;
35 static const ULONG OFFSET_PS_NAMELENGTH
= 0x00000040;
36 static const ULONG OFFSET_PS_PROPERTYTYPE
= 0x00000042;
37 static const ULONG OFFSET_PS_PREVIOUSPROP
= 0x00000044;
38 static const ULONG OFFSET_PS_NEXTPROP
= 0x00000048;
39 static const ULONG OFFSET_PS_DIRPROP
= 0x0000004C;
40 static const ULONG OFFSET_PS_GUID
= 0x00000050;
41 static const ULONG OFFSET_PS_TSS1
= 0x00000064;
42 static const ULONG OFFSET_PS_TSD1
= 0x00000068;
43 static const ULONG OFFSET_PS_TSS2
= 0x0000006C;
44 static const ULONG OFFSET_PS_TSD2
= 0x00000070;
45 static const ULONG OFFSET_PS_STARTBLOCK
= 0x00000074;
46 static const ULONG OFFSET_PS_SIZE
= 0x00000078;
47 static const WORD DEF_BIG_BLOCK_SIZE_BITS
= 0x0009;
48 static const WORD DEF_SMALL_BLOCK_SIZE_BITS
= 0x0006;
49 static const WORD DEF_BIG_BLOCK_SIZE
= 0x0200;
50 static const WORD DEF_SMALL_BLOCK_SIZE
= 0x0040;
51 static const ULONG BLOCK_EXTBBDEPOT
= 0xFFFFFFFC;
52 static const ULONG BLOCK_SPECIAL
= 0xFFFFFFFD;
53 static const ULONG BLOCK_END_OF_CHAIN
= 0xFFFFFFFE;
54 static const ULONG BLOCK_UNUSED
= 0xFFFFFFFF;
55 static const ULONG PROPERTY_NULL
= 0xFFFFFFFF;
57 #define PROPERTY_NAME_MAX_LEN 0x20
58 #define PROPERTY_NAME_BUFFER_LEN 0x40
60 #define PROPSET_BLOCK_SIZE 0x00000080
63 * Property type of relation
65 #define PROPERTY_RELATION_PREVIOUS 0
66 #define PROPERTY_RELATION_NEXT 1
67 #define PROPERTY_RELATION_DIR 2
70 * Property type constants
72 #define PROPTYPE_STORAGE 0x01
73 #define PROPTYPE_STREAM 0x02
74 #define PROPTYPE_ROOT 0x05
77 * These defines assume a hardcoded blocksize. The code will assert
78 * if the blocksize is different. Some changes will have to be done if it
81 #define BIG_BLOCK_SIZE 0x200
82 #define COUNT_BBDEPOTINHEADER 109
83 #define LIMIT_TO_USE_SMALL_BLOCK 0x1000
84 #define NUM_BLOCKS_PER_DEPOT_BLOCK 128
87 * These are signatures to detect the type of Document file.
89 static const BYTE STORAGE_magic
[8] ={0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1};
90 static const BYTE STORAGE_oldmagic
[8] ={0xd0,0xcf,0x11,0xe0,0x0e,0x11,0xfc,0x0d};
93 * Forward declarations of all the structures used by the storage
96 typedef struct StorageBaseImpl StorageBaseImpl
;
97 typedef struct StorageImpl StorageImpl
;
98 typedef struct StorageInternalImpl StorageInternalImpl
;
99 typedef struct BlockChainStream BlockChainStream
;
100 typedef struct SmallBlockChainStream SmallBlockChainStream
;
101 typedef struct IEnumSTATSTGImpl IEnumSTATSTGImpl
;
102 typedef struct StgProperty StgProperty
;
103 typedef struct StgStreamImpl StgStreamImpl
;
106 * This utility structure is used to read/write the information in a storage
111 WCHAR name
[PROPERTY_NAME_MAX_LEN
];
112 WORD sizeOfNameString
;
114 ULONG previousProperty
;
117 GUID propertyUniqueID
;
126 /*************************************************************************
127 * Big Block File support
129 * The big block file is an abstraction of a flat file separated in
130 * same sized blocks. The implementation for the methods described in
131 * this section appear in stg_bigblockfile.c
135 * Declaration of the data structures
137 typedef struct BigBlockFile BigBlockFile
,*LPBIGBLOCKFILE
;
138 typedef struct MappedPage MappedPage
,*LPMAPPEDPAGE
;
143 ULARGE_INTEGER filesize
;
149 MappedPage
*victimhead
, *victimtail
;
150 ULONG num_victim_pages
;
157 * Declaration of the functions used to manipulate the BigBlockFile
160 BigBlockFile
* BIGBLOCKFILE_Construct(HANDLE hFile
,
165 void BIGBLOCKFILE_Destructor(LPBIGBLOCKFILE This
);
166 void* BIGBLOCKFILE_GetBigBlock(LPBIGBLOCKFILE This
, ULONG index
);
167 void* BIGBLOCKFILE_GetROBigBlock(LPBIGBLOCKFILE This
, ULONG index
);
168 void BIGBLOCKFILE_ReleaseBigBlock(LPBIGBLOCKFILE This
, void *pBlock
);
169 void BIGBLOCKFILE_SetSize(LPBIGBLOCKFILE This
, ULARGE_INTEGER newSize
);
170 ULARGE_INTEGER
BIGBLOCKFILE_GetSize(LPBIGBLOCKFILE This
);
172 /*************************************************************************
173 * Ole Convert support
176 void OLECONVERT_CreateOleStream(LPSTORAGE pStorage
);
177 HRESULT
OLECONVERT_CreateCompObjStream(LPSTORAGE pStorage
, LPCSTR strOleTypeName
);
179 /****************************************************************************
180 * Storage32BaseImpl definitions.
182 * This stucture defines the base information contained in all implementations
183 * of IStorage32 contained in this filee storage implementation.
185 * In OOP terms, this is the base class for all the IStorage32 implementations
186 * contained in this file.
188 struct StorageBaseImpl
190 ICOM_VFIELD(IStorage
); /* Needs to be the first item in the stuct
191 * since we want to cast this in a Storage32 pointer */
194 * Reference count of this object
199 * Ancestor storage (top level)
201 StorageImpl
* ancestorStorage
;
204 * Index of the property for the root of
207 ULONG rootPropertySetIndex
;
210 * virtual Destructor method.
212 void (*v_destructor
)(StorageBaseImpl
*);
217 * Prototypes for the methods of the Storage32BaseImpl class.
219 HRESULT WINAPI
StorageBaseImpl_QueryInterface(
224 ULONG WINAPI
StorageBaseImpl_AddRef(
227 ULONG WINAPI
StorageBaseImpl_Release(
230 HRESULT WINAPI
StorageBaseImpl_OpenStream(
232 const OLECHAR
* pwcsName
, /* [string][in] */
233 void* reserved1
, /* [unique][in] */
234 DWORD grfMode
, /* [in] */
235 DWORD reserved2
, /* [in] */
236 IStream
** ppstm
); /* [out] */
238 HRESULT WINAPI
StorageBaseImpl_OpenStorage(
240 const OLECHAR
* pwcsName
, /* [string][unique][in] */
241 IStorage
* pstgPriority
, /* [unique][in] */
242 DWORD grfMode
, /* [in] */
243 SNB snbExclude
, /* [unique][in] */
244 DWORD reserved
, /* [in] */
245 IStorage
** ppstg
); /* [out] */
247 HRESULT WINAPI
StorageBaseImpl_EnumElements(
249 DWORD reserved1
, /* [in] */
250 void* reserved2
, /* [size_is][unique][in] */
251 DWORD reserved3
, /* [in] */
252 IEnumSTATSTG
** ppenum
); /* [out] */
254 HRESULT WINAPI
StorageBaseImpl_Stat(
256 STATSTG
* pstatstg
, /* [out] */
257 DWORD grfStatFlag
); /* [in] */
259 HRESULT WINAPI
StorageBaseImpl_RenameElement(
261 const OLECHAR
* pwcsOldName
, /* [string][in] */
262 const OLECHAR
* pwcsNewName
); /* [string][in] */
264 HRESULT WINAPI
StorageBaseImpl_CreateStream(
266 const OLECHAR
* pwcsName
, /* [string][in] */
267 DWORD grfMode
, /* [in] */
268 DWORD reserved1
, /* [in] */
269 DWORD reserved2
, /* [in] */
270 IStream
** ppstm
); /* [out] */
272 HRESULT WINAPI
StorageBaseImpl_SetClass(
274 REFCLSID clsid
); /* [in] */
276 /****************************************************************************
277 * Storage32Impl definitions.
279 * This implementation of the IStorage32 interface represents a root
280 * storage. Basically, a document file.
284 ICOM_VFIELD(IStorage
); /* Needs to be the first item in the stuct
285 * since we want to cast this in a Storage32 pointer */
288 * Declare the member of the Storage32BaseImpl class to allow
289 * casting as a Storage32BaseImpl
292 struct StorageImpl
* ancestorStorage
;
293 ULONG rootPropertySetIndex
;
294 void (*v_destructor
)(struct StorageImpl
*);
297 * The following data members are specific to the Storage32Impl
300 HANDLE hFile
; /* Physical support for the Docfile */
305 WORD bigBlockSizeBits
;
306 WORD smallBlockSizeBits
;
308 ULONG smallBlockSize
;
309 ULONG bigBlockDepotCount
;
310 ULONG rootStartBlock
;
311 ULONG smallBlockDepotStart
;
312 ULONG extBigBlockDepotStart
;
313 ULONG extBigBlockDepotCount
;
314 ULONG bigBlockDepotStart
[COUNT_BBDEPOTINHEADER
];
316 ULONG blockDepotCached
[NUM_BLOCKS_PER_DEPOT_BLOCK
];
317 ULONG indexBlockDepotCached
;
321 * Abstraction of the big block chains for the chains of the header.
323 BlockChainStream
* rootBlockChain
;
324 BlockChainStream
* smallBlockDepotChain
;
325 BlockChainStream
* smallBlockRootChain
;
328 * Pointer to the big block file abstraction
330 BigBlockFile
* bigBlockFile
;
334 * Method declaration for the Storage32Impl class
337 HRESULT WINAPI
StorageImpl_CreateStorage(
339 const OLECHAR
* pwcsName
, /* [string][in] */
340 DWORD grfMode
, /* [in] */
341 DWORD dwStgFmt
, /* [in] */
342 DWORD reserved2
, /* [in] */
343 IStorage
** ppstg
); /* [out] */
345 HRESULT WINAPI
StorageImpl_CopyTo(
347 DWORD ciidExclude
, /* [in] */
348 const IID
* rgiidExclude
, /* [size_is][unique][in] */
349 SNB snbExclude
, /* [unique][in] */
350 IStorage
* pstgDest
); /* [unique][in] */
352 HRESULT WINAPI
StorageImpl_MoveElementTo(
354 const OLECHAR
* pwcsName
, /* [string][in] */
355 IStorage
* pstgDest
, /* [unique][in] */
356 const OLECHAR
* pwcsNewName
, /* [string][in] */
357 DWORD grfFlags
); /* [in] */
359 HRESULT WINAPI
StorageImpl_Commit(
361 DWORD grfCommitFlags
); /* [in] */
363 HRESULT WINAPI
StorageImpl_Revert(
366 HRESULT WINAPI
StorageImpl_DestroyElement(
368 const OLECHAR
* pwcsName
); /* [string][in] */
370 HRESULT WINAPI
StorageImpl_SetElementTimes(
372 const OLECHAR
* pwcsName
, /* [string][in] */
373 const FILETIME
* pctime
, /* [in] */
374 const FILETIME
* patime
, /* [in] */
375 const FILETIME
* pmtime
); /* [in] */
377 HRESULT WINAPI
StorageImpl_SetStateBits(
379 DWORD grfStateBits
, /* [in] */
380 DWORD grfMask
); /* [in] */
382 void StorageImpl_Destroy(
385 HRESULT
StorageImpl_Construct(
393 BOOL
StorageImpl_ReadBigBlock(
398 BOOL
StorageImpl_WriteBigBlock(
403 void* StorageImpl_GetROBigBlock(
407 void* StorageImpl_GetBigBlock(
411 void StorageImpl_ReleaseBigBlock(
415 ULONG
StorageImpl_GetNextFreeBigBlock(
418 void StorageImpl_FreeBigBlock(
422 ULONG
StorageImpl_GetNextBlockInChain(
426 void StorageImpl_SetNextBlockInChain(
431 HRESULT
StorageImpl_LoadFileHeader(
434 void StorageImpl_SaveFileHeader(
437 BOOL
StorageImpl_ReadProperty(
440 StgProperty
* buffer
);
442 BOOL
StorageImpl_WriteProperty(
445 StgProperty
* buffer
);
447 BlockChainStream
* Storage32Impl_SmallBlocksToBigBlocks(
449 SmallBlockChainStream
** ppsbChain
);
451 ULONG
Storage32Impl_GetNextExtendedBlock(StorageImpl
* This
,
454 void Storage32Impl_AddBlockDepot(StorageImpl
* This
,
457 ULONG
Storage32Impl_AddExtBlockDepot(StorageImpl
* This
);
459 ULONG
Storage32Impl_GetExtDepotBlock(StorageImpl
* This
,
462 void Storage32Impl_SetExtDepotBlock(StorageImpl
* This
,
465 /****************************************************************************
466 * Storage32InternalImpl definitions.
468 * Definition of the implementation structure for the IStorage32 interface.
469 * This one implements the IStorage32 interface for storage that are
470 * inside another storage.
472 struct StorageInternalImpl
474 ICOM_VFIELD(IStorage
); /* Needs to be the first item in the stuct
475 * since we want to cast this in a Storage32 pointer */
478 * Declare the member of the Storage32BaseImpl class to allow
479 * casting as a Storage32BaseImpl
482 struct StorageImpl
* ancestorStorage
;
483 ULONG rootPropertySetIndex
;
484 void (*v_destructor
)(struct StorageInternalImpl
*);
487 * There is no specific data for this class.
492 * Method definitions for the Storage32InternalImpl class.
494 StorageInternalImpl
* StorageInternalImpl_Construct(
495 StorageImpl
* ancestorStorage
,
496 ULONG rootTropertyIndex
);
498 void StorageInternalImpl_Destroy(
499 StorageInternalImpl
* This
);
501 HRESULT WINAPI
StorageInternalImpl_Commit(
503 DWORD grfCommitFlags
); /* [in] */
505 HRESULT WINAPI
StorageInternalImpl_Revert(
509 /****************************************************************************
510 * IEnumSTATSTGImpl definitions.
512 * Definition of the implementation structure for the IEnumSTATSTGImpl interface.
513 * This class allows iterating through the content of a storage and to find
514 * specific items inside it.
516 struct IEnumSTATSTGImpl
518 ICOM_VFIELD(IEnumSTATSTG
); /* Needs to be the first item in the stuct
519 * since we want to cast this in a IEnumSTATSTG pointer */
521 ULONG ref
; /* Reference count */
522 StorageImpl
* parentStorage
; /* Reference to the parent storage */
523 ULONG firstPropertyNode
; /* Index of the root of the storage to enumerate */
526 * The current implementation of the IEnumSTATSTGImpl class uses a stack
527 * to walk the property sets to get the content of a storage. This stack
528 * is implemented by the following 3 data members
534 #define ENUMSTATSGT_SIZE_INCREMENT 10
538 * Method definitions for the IEnumSTATSTGImpl class.
540 HRESULT WINAPI
IEnumSTATSTGImpl_QueryInterface(
545 ULONG WINAPI
IEnumSTATSTGImpl_AddRef(
546 IEnumSTATSTG
* iface
);
548 ULONG WINAPI
IEnumSTATSTGImpl_Release(
549 IEnumSTATSTG
* iface
);
551 HRESULT WINAPI
IEnumSTATSTGImpl_Next(
555 ULONG
* pceltFetched
);
557 HRESULT WINAPI
IEnumSTATSTGImpl_Skip(
561 HRESULT WINAPI
IEnumSTATSTGImpl_Reset(
562 IEnumSTATSTG
* iface
);
564 HRESULT WINAPI
IEnumSTATSTGImpl_Clone(
566 IEnumSTATSTG
** ppenum
);
568 IEnumSTATSTGImpl
* IEnumSTATSTGImpl_Construct(
570 ULONG firstPropertyNode
);
572 void IEnumSTATSTGImpl_Destroy(
573 IEnumSTATSTGImpl
* This
);
575 void IEnumSTATSTGImpl_PushSearchNode(
576 IEnumSTATSTGImpl
* This
,
579 ULONG
IEnumSTATSTGImpl_PopSearchNode(
580 IEnumSTATSTGImpl
* This
,
583 ULONG
IEnumSTATSTGImpl_FindProperty(
584 IEnumSTATSTGImpl
* This
,
585 const OLECHAR
* lpszPropName
,
586 StgProperty
* buffer
);
588 INT
IEnumSTATSTGImpl_FindParentProperty(
589 IEnumSTATSTGImpl
*This
,
591 StgProperty
*currentProperty
,
595 /****************************************************************************
596 * StgStreamImpl definitions.
598 * This class imlements the IStream32 inteface and represents a stream
599 * located inside a storage object.
603 ICOM_VFIELD(IStream
); /* Needs to be the first item in the stuct
604 * since we want to cast this in a IStream pointer */
612 * Storage that is the parent(owner) of the stream
614 StorageBaseImpl
* parentStorage
;
617 * Access mode of this stream.
622 * Index of the property that owns (points to) this stream.
627 * Helper variable that contains the size of the stream
629 ULARGE_INTEGER streamSize
;
632 * This is the current position of the cursor in the stream
634 ULARGE_INTEGER currentPosition
;
637 * The information in the stream is represented by a chain of small blocks
638 * or a chain of large blocks. Depending on the case, one of the two
639 * following variabled points to that information.
641 BlockChainStream
* bigBlockChain
;
642 SmallBlockChainStream
* smallBlockChain
;
646 * Method definition for the StgStreamImpl class.
648 StgStreamImpl
* StgStreamImpl_Construct(
649 StorageBaseImpl
* parentStorage
,
651 ULONG ownerProperty
);
653 void StgStreamImpl_Destroy(
654 StgStreamImpl
* This
);
656 void StgStreamImpl_OpenBlockChain(
657 StgStreamImpl
* This
);
659 HRESULT WINAPI
StgStreamImpl_QueryInterface(
661 REFIID riid
, /* [in] */
662 void** ppvObject
); /* [iid_is][out] */
664 ULONG WINAPI
StgStreamImpl_AddRef(
667 ULONG WINAPI
StgStreamImpl_Release(
670 HRESULT WINAPI
StgStreamImpl_Read(
672 void* pv
, /* [length_is][size_is][out] */
674 ULONG
* pcbRead
); /* [out] */
676 HRESULT WINAPI
StgStreamImpl_Write(
678 const void* pv
, /* [size_is][in] */
680 ULONG
* pcbWritten
); /* [out] */
682 HRESULT WINAPI
StgStreamImpl_Seek(
684 LARGE_INTEGER dlibMove
, /* [in] */
685 DWORD dwOrigin
, /* [in] */
686 ULARGE_INTEGER
* plibNewPosition
); /* [out] */
688 HRESULT WINAPI
StgStreamImpl_SetSize(
690 ULARGE_INTEGER libNewSize
); /* [in] */
692 HRESULT WINAPI
StgStreamImpl_CopyTo(
694 IStream
* pstm
, /* [unique][in] */
695 ULARGE_INTEGER cb
, /* [in] */
696 ULARGE_INTEGER
* pcbRead
, /* [out] */
697 ULARGE_INTEGER
* pcbWritten
); /* [out] */
699 HRESULT WINAPI
StgStreamImpl_Commit(
701 DWORD grfCommitFlags
); /* [in] */
703 HRESULT WINAPI
StgStreamImpl_Revert(
706 HRESULT WINAPI
StgStreamImpl_LockRegion(
708 ULARGE_INTEGER libOffset
, /* [in] */
709 ULARGE_INTEGER cb
, /* [in] */
710 DWORD dwLockType
); /* [in] */
712 HRESULT WINAPI
StgStreamImpl_UnlockRegion(
714 ULARGE_INTEGER libOffset
, /* [in] */
715 ULARGE_INTEGER cb
, /* [in] */
716 DWORD dwLockType
); /* [in] */
718 HRESULT WINAPI
StgStreamImpl_Stat(
720 STATSTG
* pstatstg
, /* [out] */
721 DWORD grfStatFlag
); /* [in] */
723 HRESULT WINAPI
StgStreamImpl_Clone(
725 IStream
** ppstm
); /* [out] */
728 /********************************************************************************
729 * The StorageUtl_ functions are miscelaneous utility functions. Most of which are
730 * abstractions used to read values from file buffers without having to worry
733 void StorageUtl_ReadWord(void* buffer
, ULONG offset
, WORD
* value
);
734 void StorageUtl_WriteWord(void* buffer
, ULONG offset
, WORD value
);
735 void StorageUtl_ReadDWord(void* buffer
, ULONG offset
, DWORD
* value
);
736 void StorageUtl_WriteDWord(void* buffer
, ULONG offset
, DWORD value
);
737 void StorageUtl_ReadGUID(void* buffer
, ULONG offset
, GUID
* value
);
738 void StorageUtl_WriteGUID(void* buffer
, ULONG offset
, GUID
* value
);
739 void StorageUtl_CopyPropertyToSTATSTG(STATSTG
* destination
,
743 /****************************************************************************
744 * BlockChainStream definitions.
746 * The BlockChainStream class is a utility class that is used to create an
747 * abstraction of the big block chains in the storage file.
749 struct BlockChainStream
751 StorageImpl
* parentStorage
;
752 ULONG
* headOfStreamPlaceHolder
;
753 ULONG ownerPropertyIndex
;
754 ULONG lastBlockNoInSequence
;
755 ULONG lastBlockNoInSequenceIndex
;
761 * Methods for the BlockChainStream class.
763 BlockChainStream
* BlockChainStream_Construct(
764 StorageImpl
* parentStorage
,
765 ULONG
* headOfStreamPlaceHolder
,
766 ULONG propertyIndex
);
768 void BlockChainStream_Destroy(
769 BlockChainStream
* This
);
771 ULONG
BlockChainStream_GetHeadOfChain(
772 BlockChainStream
* This
);
774 BOOL
BlockChainStream_ReadAt(
775 BlockChainStream
* This
,
776 ULARGE_INTEGER offset
,
781 BOOL
BlockChainStream_WriteAt(
782 BlockChainStream
* This
,
783 ULARGE_INTEGER offset
,
786 ULONG
* bytesWritten
);
788 BOOL
BlockChainStream_SetSize(
789 BlockChainStream
* This
,
790 ULARGE_INTEGER newSize
);
792 ULARGE_INTEGER
BlockChainStream_GetSize(
793 BlockChainStream
* This
);
795 ULONG
BlockChainStream_GetCount(
796 BlockChainStream
* This
);
798 /****************************************************************************
799 * SmallBlockChainStream definitions.
801 * The SmallBlockChainStream class is a utility class that is used to create an
802 * abstraction of the small block chains in the storage file.
804 struct SmallBlockChainStream
806 StorageImpl
* parentStorage
;
807 ULONG ownerPropertyIndex
;
811 * Methods of the SmallBlockChainStream class.
813 SmallBlockChainStream
* SmallBlockChainStream_Construct(
814 StorageImpl
* parentStorage
,
815 ULONG propertyIndex
);
817 void SmallBlockChainStream_Destroy(
818 SmallBlockChainStream
* This
);
820 ULONG
SmallBlockChainStream_GetHeadOfChain(
821 SmallBlockChainStream
* This
);
823 ULONG
SmallBlockChainStream_GetNextBlockInChain(
824 SmallBlockChainStream
* This
,
827 void SmallBlockChainStream_SetNextBlockInChain(
828 SmallBlockChainStream
* This
,
832 void SmallBlockChainStream_FreeBlock(
833 SmallBlockChainStream
* This
,
836 ULONG
SmallBlockChainStream_GetNextFreeBlock(
837 SmallBlockChainStream
* This
);
839 BOOL
SmallBlockChainStream_ReadAt(
840 SmallBlockChainStream
* This
,
841 ULARGE_INTEGER offset
,
846 BOOL
SmallBlockChainStream_WriteAt(
847 SmallBlockChainStream
* This
,
848 ULARGE_INTEGER offset
,
851 ULONG
* bytesWritten
);
853 BOOL
SmallBlockChainStream_SetSize(
854 SmallBlockChainStream
* This
,
855 ULARGE_INTEGER newSize
);
857 ULARGE_INTEGER
SmallBlockChainStream_GetSize(
858 SmallBlockChainStream
* This
);
860 ULONG
SmallBlockChainStream_GetCount(
861 SmallBlockChainStream
* This
);
864 #endif /* __STORAGE32_H__ */