b0c61294ba
casts of all methods put in the jump table. I find it too risky to use such macros because nothing guarantees that you actually put the right method at the right place or that the prototype is right.
817 lines
25 KiB
C
817 lines
25 KiB
C
/*
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* Compound Storage (32 bit version)
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*
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* Implemented using the documentation of the LAOLA project at
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* <URL:http://wwwwbs.cs.tu-berlin.de/~schwartz/pmh/index.html>
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* (Thanks to Martin Schwartz <schwartz@cs.tu-berlin.de>)
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*
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* This include file contains definitions of types and function
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* prototypes that are used in the many files implementing the
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* storage functionality
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*
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* Copyright 1998,1999 Francis Beaudet
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* Copyright 1998,1999 Thuy Nguyen
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*/
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#ifndef __STORAGE32_H__
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#define __STORAGE32_H__
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/*
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* Definitions for the file format offsets.
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*/
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static const ULONG OFFSET_BIGBLOCKSIZEBITS = 0x0000001e;
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static const ULONG OFFSET_SMALLBLOCKSIZEBITS = 0x00000020;
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static const ULONG OFFSET_BBDEPOTCOUNT = 0x0000002C;
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static const ULONG OFFSET_ROOTSTARTBLOCK = 0x00000030;
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static const ULONG OFFSET_SBDEPOTSTART = 0x0000003C;
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static const ULONG OFFSET_EXTBBDEPOTSTART = 0x00000044;
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static const ULONG OFFSET_EXTBBDEPOTCOUNT = 0x00000048;
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static const ULONG OFFSET_BBDEPOTSTART = 0x0000004C;
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static const ULONG OFFSET_PS_NAME = 0x00000000;
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static const ULONG OFFSET_PS_NAMELENGTH = 0x00000040;
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static const ULONG OFFSET_PS_PROPERTYTYPE = 0x00000042;
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static const ULONG OFFSET_PS_BLOCKTYPE = 0x00000043;
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static const ULONG OFFSET_PS_PREVIOUSPROP = 0x00000044;
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static const ULONG OFFSET_PS_NEXTPROP = 0x00000048;
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static const ULONG OFFSET_PS_DIRPROP = 0x0000004C;
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static const ULONG OFFSET_PS_GUID = 0x00000050;
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static const ULONG OFFSET_PS_TSS1 = 0x00000064;
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static const ULONG OFFSET_PS_TSD1 = 0x00000068;
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static const ULONG OFFSET_PS_TSS2 = 0x0000006C;
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static const ULONG OFFSET_PS_TSD2 = 0x00000070;
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static const ULONG OFFSET_PS_STARTBLOCK = 0x00000074;
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static const ULONG OFFSET_PS_SIZE = 0x00000078;
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static const WORD DEF_BIG_BLOCK_SIZE_BITS = 0x0009;
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static const WORD DEF_SMALL_BLOCK_SIZE_BITS = 0x0006;
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static const WORD DEF_BIG_BLOCK_SIZE = 0x0200;
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static const WORD DEF_SMALL_BLOCK_SIZE = 0x0040;
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static const ULONG BLOCK_SPECIAL = 0xFFFFFFFD;
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static const ULONG BLOCK_END_OF_CHAIN = 0xFFFFFFFE;
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static const ULONG BLOCK_UNUSED = 0xFFFFFFFF;
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static const ULONG PROPERTY_NULL = 0xFFFFFFFF;
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#define PROPERTY_NAME_MAX_LEN 0x20
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#define PROPERTY_NAME_BUFFER_LEN 0x40
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#define PROPSET_BLOCK_SIZE 0x00000080
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/*
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* Property type of relation
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*/
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#define PROPERTY_RELATION_PREVIOUS 0
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#define PROPERTY_RELATION_NEXT 1
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#define PROPERTY_RELATION_DIR 2
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/*
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* Property type constants
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*/
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#define PROPTYPE_STORAGE 0x01
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#define PROPTYPE_STREAM 0x02
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#define PROPTYPE_ROOT 0x05
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/*
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* These defines assume a hardcoded blocksize. The code will assert
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* if the blocksize is different. Some changes will have to be done if it
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* becomes the case.
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*/
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#define BIG_BLOCK_SIZE 0x200
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#define COUNT_BBDEPOTINHEADER 109
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#define LIMIT_TO_USE_SMALL_BLOCK 0x1000
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/*
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* These are signatures to detect the type of Document file.
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*/
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static const BYTE STORAGE_magic[8] ={0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1};
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static const BYTE STORAGE_oldmagic[8] ={0xd0,0xcf,0x11,0xe0,0x0e,0x11,0xfc,0x0d};
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/*
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* Forward declarations of all the structures used by the storage
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* module.
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*/
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typedef struct Storage32BaseImpl Storage32BaseImpl;
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typedef struct Storage32Impl Storage32Impl;
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typedef struct Storage32InternalImpl Storage32InternalImpl;
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typedef struct BlockChainStream BlockChainStream;
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typedef struct SmallBlockChainStream SmallBlockChainStream;
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typedef struct IEnumSTATSTGImpl IEnumSTATSTGImpl;
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typedef struct StgProperty StgProperty;
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typedef struct StgStreamImpl StgStreamImpl;
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/*
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* This utility structure is used to read/write the information in a storage
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* property.
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*/
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struct StgProperty
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{
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WCHAR name[PROPERTY_NAME_MAX_LEN];
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WORD sizeOfNameString;
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BYTE propertyType;
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ULONG previousProperty;
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ULONG nextProperty;
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ULONG dirProperty;
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GUID propertyUniqueID;
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ULONG timeStampS1;
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ULONG timeStampD1;
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ULONG timeStampS2;
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ULONG timeStampD2;
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ULONG startingBlock;
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ULARGE_INTEGER size;
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};
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/*************************************************************************
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* Big Block File support
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*
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* The big block file is an abstraction of a flat file separated in
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* same sized blocks. The implementation for the methods described in
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* this section appear in stg_bigblockfile.c
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*/
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/*
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* Declaration of the data structures
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*/
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typedef struct BigBlockFile BigBlockFile,*LPBIGBLOCKFILE;
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typedef struct MappedPage MappedPage,*LPMAPPEDPAGE;
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typedef struct BigBlock BigBlock,*LPBIGBLOCK;
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struct BigBlockFile
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{
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ULARGE_INTEGER filesize;
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ULONG blocksize;
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HANDLE32 hfile;
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HANDLE32 hfilemap;
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MappedPage *headmap_ro;
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MappedPage *headmap_w;
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BigBlock *headblock;
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};
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/*
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* Declaration of the functions used to manipulate the BigBlockFile
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* data structure.
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*/
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BigBlockFile* BIGBLOCKFILE_Construct(HANDLE32 hFile, ULONG blocksize);
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void BIGBLOCKFILE_Destructor(LPBIGBLOCKFILE This);
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void* BIGBLOCKFILE_GetBigBlock(LPBIGBLOCKFILE This, ULONG index);
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void* BIGBLOCKFILE_GetROBigBlock(LPBIGBLOCKFILE This, ULONG index);
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void BIGBLOCKFILE_ReleaseBigBlock(LPBIGBLOCKFILE This, void *pBlock);
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void BIGBLOCKFILE_SetSize(LPBIGBLOCKFILE This, ULARGE_INTEGER newSize);
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ULARGE_INTEGER BIGBLOCKFILE_GetSize(LPBIGBLOCKFILE This);
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/****************************************************************************
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* Storage32BaseImpl definitions.
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*
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* This stucture defines the base information contained in all implementations
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* of IStorage32 contained in this filee storage implementation.
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*
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* In OOP terms, this is the base class for all the IStorage32 implementations
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* contained in this file.
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*/
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struct Storage32BaseImpl
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{
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ICOM_VTABLE(IStorage32)* lpvtbl; /* Needs to be the first item in the stuct
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* since we want to cast this in a Storage32 pointer */
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/*
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* Reference count of this object
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*/
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ULONG ref;
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/*
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* Ancestor storage (top level)
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*/
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Storage32Impl* ancestorStorage;
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/*
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* Index of the property for the root of
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* this storage
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*/
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ULONG rootPropertySetIndex;
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/*
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* virtual Destructor method.
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*/
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void (*v_destructor)(Storage32BaseImpl*);
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};
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/*
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* Prototypes for the methods of the Storage32BaseImpl class.
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*/
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HRESULT WINAPI Storage32BaseImpl_QueryInterface(
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IStorage32* iface,
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REFIID riid,
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void** ppvObject);
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ULONG WINAPI Storage32BaseImpl_AddRef(
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IStorage32* iface);
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ULONG WINAPI Storage32BaseImpl_Release(
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IStorage32* iface);
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HRESULT WINAPI Storage32BaseImpl_OpenStream(
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IStorage32* iface,
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const OLECHAR32* pwcsName, /* [string][in] */
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void* reserved1, /* [unique][in] */
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DWORD grfMode, /* [in] */
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DWORD reserved2, /* [in] */
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IStream32** ppstm); /* [out] */
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HRESULT WINAPI Storage32BaseImpl_OpenStorage(
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IStorage32* iface,
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const OLECHAR32* pwcsName, /* [string][unique][in] */
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IStorage32* pstgPriority, /* [unique][in] */
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DWORD grfMode, /* [in] */
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SNB32 snbExclude, /* [unique][in] */
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DWORD reserved, /* [in] */
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IStorage32** ppstg); /* [out] */
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HRESULT WINAPI Storage32BaseImpl_EnumElements(
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IStorage32* iface,
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DWORD reserved1, /* [in] */
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void* reserved2, /* [size_is][unique][in] */
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DWORD reserved3, /* [in] */
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IEnumSTATSTG** ppenum); /* [out] */
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HRESULT WINAPI Storage32BaseImpl_Stat(
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IStorage32* iface,
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STATSTG* pstatstg, /* [out] */
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DWORD grfStatFlag); /* [in] */
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HRESULT WINAPI Storage32BaseImpl_RenameElement(
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IStorage32* iface,
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const OLECHAR32* pwcsOldName, /* [string][in] */
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const OLECHAR32* pwcsNewName); /* [string][in] */
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HRESULT WINAPI Storage32BaseImpl_CreateStream(
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IStorage32* iface,
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const OLECHAR32* pwcsName, /* [string][in] */
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DWORD grfMode, /* [in] */
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DWORD reserved1, /* [in] */
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DWORD reserved2, /* [in] */
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IStream32** ppstm); /* [out] */
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HRESULT WINAPI Storage32BaseImpl_SetClass(
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IStorage32* iface,
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REFCLSID clsid); /* [in] */
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/****************************************************************************
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* Storage32Impl definitions.
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*
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* This implementation of the IStorage32 interface represents a root
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* storage. Basically, a document file.
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*/
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struct Storage32Impl
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{
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ICOM_VTABLE(IStorage32) *lpvtbl; /* Needs to be the first item in the stuct
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* since we want to cast this in a Storage32 pointer */
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/*
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* Declare the member of the Storage32BaseImpl class to allow
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* casting as a Storage32BaseImpl
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*/
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ULONG ref;
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struct Storage32Impl* ancestorStorage;
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ULONG rootPropertySetIndex;
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void (*v_destructor)(struct Storage32Impl*);
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/*
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* The following data members are specific to the Storage32Impl
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* class
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*/
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HANDLE32 hFile; /* Physical support for the Docfile */
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/*
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* File header
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*/
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WORD bigBlockSizeBits;
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WORD smallBlockSizeBits;
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ULONG bigBlockSize;
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ULONG smallBlockSize;
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ULONG bigBlockDepotCount;
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ULONG rootStartBlock;
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ULONG smallBlockDepotStart;
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ULONG extBigBlockDepotStart;
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ULONG extBigBlockDepotCount;
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ULONG bigBlockDepotStart[COUNT_BBDEPOTINHEADER];
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/*
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* Abstraction of the big block chains for the chains of the header.
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*/
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BlockChainStream* rootBlockChain;
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BlockChainStream* smallBlockDepotChain;
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BlockChainStream* smallBlockRootChain;
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/*
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* Pointer to the big block file abstraction
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*/
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BigBlockFile* bigBlockFile;
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};
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/*
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* Method declaration for the Storage32Impl class
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*/
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HRESULT WINAPI Storage32Impl_CreateStorage(
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IStorage32* iface,
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const OLECHAR32* pwcsName, /* [string][in] */
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DWORD grfMode, /* [in] */
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DWORD dwStgFmt, /* [in] */
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DWORD reserved2, /* [in] */
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IStorage32** ppstg); /* [out] */
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HRESULT WINAPI Storage32Impl_CopyTo(
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IStorage32* iface,
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DWORD ciidExclude, /* [in] */
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const IID* rgiidExclude, /* [size_is][unique][in] */
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SNB32 snbExclude, /* [unique][in] */
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IStorage32* pstgDest); /* [unique][in] */
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HRESULT WINAPI Storage32Impl_MoveElementTo(
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IStorage32* iface,
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const OLECHAR32* pwcsName, /* [string][in] */
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IStorage32* pstgDest, /* [unique][in] */
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const OLECHAR32* pwcsNewName, /* [string][in] */
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DWORD grfFlags); /* [in] */
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HRESULT WINAPI Storage32Impl_Commit(
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IStorage32* iface,
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DWORD grfCommitFlags); /* [in] */
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HRESULT WINAPI Storage32Impl_Revert(
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IStorage32* iface);
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HRESULT WINAPI Storage32Impl_DestroyElement(
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IStorage32* iface,
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const OLECHAR32* pwcsName); /* [string][in] */
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HRESULT WINAPI Storage32Impl_SetElementTimes(
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IStorage32* iface,
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const OLECHAR32* pwcsName, /* [string][in] */
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const FILETIME* pctime, /* [in] */
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const FILETIME* patime, /* [in] */
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const FILETIME* pmtime); /* [in] */
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HRESULT WINAPI Storage32Impl_SetStateBits(
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IStorage32* iface,
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DWORD grfStateBits, /* [in] */
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DWORD grfMask); /* [in] */
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void Storage32Impl_Destroy(
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Storage32Impl* This);
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HRESULT Storage32Impl_Construct(
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Storage32Impl* This,
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HANDLE32 hFile,
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DWORD openFlags);
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BOOL32 Storage32Impl_ReadBigBlock(
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Storage32Impl* This,
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ULONG blockIndex,
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void* buffer);
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BOOL32 Storage32Impl_WriteBigBlock(
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Storage32Impl* This,
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ULONG blockIndex,
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void* buffer);
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void* Storage32Impl_GetROBigBlock(
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Storage32Impl* This,
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ULONG blockIndex);
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void* Storage32Impl_GetBigBlock(
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Storage32Impl* This,
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ULONG blockIndex);
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void Storage32Impl_ReleaseBigBlock(
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Storage32Impl* This,
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void* pBigBlock);
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ULONG Storage32Impl_GetNextFreeBigBlock(
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Storage32Impl* This);
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void Storage32Impl_FreeBigBlock(
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Storage32Impl* This,
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ULONG blockIndex);
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ULONG Storage32Impl_GetNextBlockInChain(
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Storage32Impl* This,
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ULONG blockIndex);
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void Storage32Impl_SetNextBlockInChain(
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Storage32Impl* This,
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ULONG blockIndex,
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ULONG nextBlock);
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HRESULT Storage32Impl_LoadFileHeader(
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Storage32Impl* This);
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void Storage32Impl_SaveFileHeader(
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Storage32Impl* This);
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BOOL32 Storage32Impl_ReadProperty(
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Storage32Impl* This,
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ULONG index,
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StgProperty* buffer);
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BOOL32 Storage32Impl_WriteProperty(
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Storage32Impl* This,
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ULONG index,
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StgProperty* buffer);
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BlockChainStream* Storage32Impl_SmallBlocksToBigBlocks(
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Storage32Impl* This,
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SmallBlockChainStream** ppsbChain);
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/****************************************************************************
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* Storage32InternalImpl definitions.
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*
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* Definition of the implementation structure for the IStorage32 interface.
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* This one implements the IStorage32 interface for storage that are
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* inside another storage.
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*/
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struct Storage32InternalImpl
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{
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ICOM_VTABLE(IStorage32) *lpvtbl; /* Needs to be the first item in the stuct
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* since we want to cast this in a Storage32 pointer */
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/*
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* Declare the member of the Storage32BaseImpl class to allow
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* casting as a Storage32BaseImpl
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*/
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ULONG ref;
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struct Storage32Impl* ancestorStorage;
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ULONG rootPropertySetIndex;
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void (*v_destructor)(struct Storage32InternalImpl*);
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/*
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* There is no specific data for this class.
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*/
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};
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/*
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* Method definitions for the Storage32InternalImpl class.
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*/
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Storage32InternalImpl* Storage32InternalImpl_Construct(
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Storage32Impl* ancestorStorage,
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ULONG rootTropertyIndex);
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void Storage32InternalImpl_Destroy(
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Storage32InternalImpl* This);
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HRESULT WINAPI Storage32InternalImpl_Commit(
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IStorage32* iface,
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DWORD grfCommitFlags); /* [in] */
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HRESULT WINAPI Storage32InternalImpl_Revert(
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IStorage32* iface);
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/****************************************************************************
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* IEnumSTATSTGImpl definitions.
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*
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* Definition of the implementation structure for the IEnumSTATSTGImpl interface.
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* This class allows iterating through the content of a storage and to find
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* specific items inside it.
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*/
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struct IEnumSTATSTGImpl
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{
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ICOM_VTABLE(IEnumSTATSTG) *lpvtbl; /* Needs to be the first item in the stuct
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* since we want to cast this in a IEnumSTATSTG pointer */
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ULONG ref; /* Reference count */
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Storage32Impl* parentStorage; /* Reference to the parent storage */
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ULONG firstPropertyNode; /* Index of the root of the storage to enumerate */
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/*
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* The current implementation of the IEnumSTATSTGImpl class uses a stack
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* to walk the property sets to get the content of a storage. This stack
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* is implemented by the following 3 data members
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*/
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ULONG stackSize;
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ULONG stackMaxSize;
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ULONG* stackToVisit;
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#define ENUMSTATSGT_SIZE_INCREMENT 10
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};
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/*
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* Method definitions for the IEnumSTATSTGImpl class.
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*/
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HRESULT WINAPI IEnumSTATSTGImpl_QueryInterface(
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IEnumSTATSTG* iface,
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REFIID riid,
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void** ppvObject);
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ULONG WINAPI IEnumSTATSTGImpl_AddRef(
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IEnumSTATSTG* iface);
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ULONG WINAPI IEnumSTATSTGImpl_Release(
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IEnumSTATSTG* iface);
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HRESULT WINAPI IEnumSTATSTGImpl_Next(
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IEnumSTATSTG* iface,
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ULONG celt,
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STATSTG* rgelt,
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ULONG* pceltFetched);
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HRESULT WINAPI IEnumSTATSTGImpl_Skip(
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IEnumSTATSTG* iface,
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ULONG celt);
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HRESULT WINAPI IEnumSTATSTGImpl_Reset(
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IEnumSTATSTG* iface);
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HRESULT WINAPI IEnumSTATSTGImpl_Clone(
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IEnumSTATSTG* iface,
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IEnumSTATSTG** ppenum);
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IEnumSTATSTGImpl* IEnumSTATSTGImpl_Construct(
|
|
Storage32Impl* This,
|
|
ULONG firstPropertyNode);
|
|
|
|
void IEnumSTATSTGImpl_Destroy(
|
|
IEnumSTATSTGImpl* This);
|
|
|
|
void IEnumSTATSTGImpl_PushSearchNode(
|
|
IEnumSTATSTGImpl* This,
|
|
ULONG nodeToPush);
|
|
|
|
ULONG IEnumSTATSTGImpl_PopSearchNode(
|
|
IEnumSTATSTGImpl* This,
|
|
BOOL32 remove);
|
|
|
|
ULONG IEnumSTATSTGImpl_FindProperty(
|
|
IEnumSTATSTGImpl* This,
|
|
const OLECHAR32* lpszPropName,
|
|
StgProperty* buffer);
|
|
|
|
INT32 IEnumSTATSTGImpl_FindParentProperty(
|
|
IEnumSTATSTGImpl *This,
|
|
ULONG childProperty,
|
|
StgProperty *currentProperty,
|
|
ULONG *propertyId);
|
|
|
|
|
|
/****************************************************************************
|
|
* StgStreamImpl definitions.
|
|
*
|
|
* This class imlements the IStream32 inteface and represents a stream
|
|
* located inside a storage object.
|
|
*/
|
|
struct StgStreamImpl
|
|
{
|
|
ICOM_VTABLE(IStream32) *lpvtbl; /* Needs to be the first item in the stuct
|
|
* since we want to cast this in a IStream pointer */
|
|
|
|
/*
|
|
* Reference count
|
|
*/
|
|
ULONG ref;
|
|
|
|
/*
|
|
* Storage that is the parent(owner) of the stream
|
|
*/
|
|
Storage32BaseImpl* parentStorage;
|
|
|
|
/*
|
|
* Index of the property that owns (points to) this stream.
|
|
*/
|
|
ULONG ownerProperty;
|
|
|
|
/*
|
|
* Helper variable that contains the size of the stream
|
|
*/
|
|
ULARGE_INTEGER streamSize;
|
|
|
|
/*
|
|
* This is the current position of the cursor in the stream
|
|
*/
|
|
ULARGE_INTEGER currentPosition;
|
|
|
|
/*
|
|
* The information in the stream is represented by a chain of small blocks
|
|
* or a chain of large blocks. Depending on the case, one of the two
|
|
* following variabled points to that information.
|
|
*/
|
|
BlockChainStream* bigBlockChain;
|
|
SmallBlockChainStream* smallBlockChain;
|
|
|
|
};
|
|
|
|
/*
|
|
* Method definition for the StgStreamImpl class.
|
|
*/
|
|
StgStreamImpl* StgStreamImpl_Construct(
|
|
Storage32BaseImpl* parentStorage,
|
|
ULONG ownerProperty);
|
|
|
|
void StgStreamImpl_Destroy(
|
|
StgStreamImpl* This);
|
|
|
|
void StgStreamImpl_OpenBlockChain(
|
|
StgStreamImpl* This);
|
|
|
|
HRESULT WINAPI StgStreamImpl_QueryInterface(
|
|
IStream32* iface,
|
|
REFIID riid, /* [in] */
|
|
void** ppvObject); /* [iid_is][out] */
|
|
|
|
ULONG WINAPI StgStreamImpl_AddRef(
|
|
IStream32* iface);
|
|
|
|
ULONG WINAPI StgStreamImpl_Release(
|
|
IStream32* iface);
|
|
|
|
HRESULT WINAPI StgStreamImpl_Read(
|
|
IStream32* iface,
|
|
void* pv, /* [length_is][size_is][out] */
|
|
ULONG cb, /* [in] */
|
|
ULONG* pcbRead); /* [out] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_Write(
|
|
IStream32* iface,
|
|
const void* pv, /* [size_is][in] */
|
|
ULONG cb, /* [in] */
|
|
ULONG* pcbWritten); /* [out] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_Seek(
|
|
IStream32* iface,
|
|
LARGE_INTEGER dlibMove, /* [in] */
|
|
DWORD dwOrigin, /* [in] */
|
|
ULARGE_INTEGER* plibNewPosition); /* [out] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_SetSize(
|
|
IStream32* iface,
|
|
ULARGE_INTEGER libNewSize); /* [in] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_CopyTo(
|
|
IStream32* iface,
|
|
IStream32* pstm, /* [unique][in] */
|
|
ULARGE_INTEGER cb, /* [in] */
|
|
ULARGE_INTEGER* pcbRead, /* [out] */
|
|
ULARGE_INTEGER* pcbWritten); /* [out] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_Commit(
|
|
IStream32* iface,
|
|
DWORD grfCommitFlags); /* [in] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_Revert(
|
|
IStream32* iface);
|
|
|
|
HRESULT WINAPI StgStreamImpl_LockRegion(
|
|
IStream32* iface,
|
|
ULARGE_INTEGER libOffset, /* [in] */
|
|
ULARGE_INTEGER cb, /* [in] */
|
|
DWORD dwLockType); /* [in] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_UnlockRegion(
|
|
IStream32* iface,
|
|
ULARGE_INTEGER libOffset, /* [in] */
|
|
ULARGE_INTEGER cb, /* [in] */
|
|
DWORD dwLockType); /* [in] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_Stat(
|
|
IStream32* iface,
|
|
STATSTG* pstatstg, /* [out] */
|
|
DWORD grfStatFlag); /* [in] */
|
|
|
|
HRESULT WINAPI StgStreamImpl_Clone(
|
|
IStream32* iface,
|
|
IStream32** ppstm); /* [out] */
|
|
|
|
|
|
/********************************************************************************
|
|
* The StorageUtl_ functions are miscelaneous utility functions. Most of which are
|
|
* abstractions used to read values from file buffers without having to worry
|
|
* about bit order
|
|
*/
|
|
void StorageUtl_ReadWord(void* buffer, ULONG offset, WORD* value);
|
|
void StorageUtl_WriteWord(void* buffer, ULONG offset, WORD value);
|
|
void StorageUtl_ReadDWord(void* buffer, ULONG offset, DWORD* value);
|
|
void StorageUtl_WriteDWord(void* buffer, ULONG offset, DWORD value);
|
|
void StorageUtl_ReadGUID(void* buffer, ULONG offset, GUID* value);
|
|
void StorageUtl_WriteGUID(void* buffer, ULONG offset, GUID* value);
|
|
void StorageUtl_CopyPropertyToSTATSTG(STATSTG* destination,
|
|
StgProperty* source,
|
|
int statFlags);
|
|
|
|
/****************************************************************************
|
|
* BlockChainStream definitions.
|
|
*
|
|
* The BlockChainStream class is a utility class that is used to create an
|
|
* abstraction of the big block chains in the storage file.
|
|
*/
|
|
struct BlockChainStream
|
|
{
|
|
Storage32Impl* parentStorage;
|
|
ULONG* headOfStreamPlaceHolder;
|
|
ULONG ownerPropertyIndex;
|
|
};
|
|
|
|
/*
|
|
* Methods for the BlockChainStream class.
|
|
*/
|
|
BlockChainStream* BlockChainStream_Construct(
|
|
Storage32Impl* parentStorage,
|
|
ULONG* headOfStreamPlaceHolder,
|
|
ULONG propertyIndex);
|
|
|
|
void BlockChainStream_Destroy(
|
|
BlockChainStream* This);
|
|
|
|
ULONG BlockChainStream_GetHeadOfChain(
|
|
BlockChainStream* This);
|
|
|
|
BOOL32 BlockChainStream_ReadAt(
|
|
BlockChainStream* This,
|
|
ULARGE_INTEGER offset,
|
|
ULONG size,
|
|
void* buffer,
|
|
ULONG* bytesRead);
|
|
|
|
BOOL32 BlockChainStream_WriteAt(
|
|
BlockChainStream* This,
|
|
ULARGE_INTEGER offset,
|
|
ULONG size,
|
|
const void* buffer,
|
|
ULONG* bytesWritten);
|
|
|
|
BOOL32 BlockChainStream_SetSize(
|
|
BlockChainStream* This,
|
|
ULARGE_INTEGER newSize);
|
|
|
|
ULARGE_INTEGER BlockChainStream_GetSize(
|
|
BlockChainStream* This);
|
|
|
|
ULONG BlockChainStream_GetCount(
|
|
BlockChainStream* This);
|
|
|
|
/****************************************************************************
|
|
* SmallBlockChainStream definitions.
|
|
*
|
|
* The SmallBlockChainStream class is a utility class that is used to create an
|
|
* abstraction of the small block chains in the storage file.
|
|
*/
|
|
struct SmallBlockChainStream
|
|
{
|
|
Storage32Impl* parentStorage;
|
|
ULONG ownerPropertyIndex;
|
|
};
|
|
|
|
/*
|
|
* Methods of the SmallBlockChainStream class.
|
|
*/
|
|
SmallBlockChainStream* SmallBlockChainStream_Construct(
|
|
Storage32Impl* parentStorage,
|
|
ULONG propertyIndex);
|
|
|
|
void SmallBlockChainStream_Destroy(
|
|
SmallBlockChainStream* This);
|
|
|
|
ULONG SmallBlockChainStream_GetHeadOfChain(
|
|
SmallBlockChainStream* This);
|
|
|
|
ULONG SmallBlockChainStream_GetNextBlockInChain(
|
|
SmallBlockChainStream* This,
|
|
ULONG blockIndex);
|
|
|
|
void SmallBlockChainStream_SetNextBlockInChain(
|
|
SmallBlockChainStream* This,
|
|
ULONG blockIndex,
|
|
ULONG nextBlock);
|
|
|
|
void SmallBlockChainStream_FreeBlock(
|
|
SmallBlockChainStream* This,
|
|
ULONG blockIndex);
|
|
|
|
ULONG SmallBlockChainStream_GetNextFreeBlock(
|
|
SmallBlockChainStream* This);
|
|
|
|
BOOL32 SmallBlockChainStream_ReadAt(
|
|
SmallBlockChainStream* This,
|
|
ULARGE_INTEGER offset,
|
|
ULONG size,
|
|
void* buffer,
|
|
ULONG* bytesRead);
|
|
|
|
BOOL32 SmallBlockChainStream_WriteAt(
|
|
SmallBlockChainStream* This,
|
|
ULARGE_INTEGER offset,
|
|
ULONG size,
|
|
const void* buffer,
|
|
ULONG* bytesWritten);
|
|
|
|
BOOL32 SmallBlockChainStream_SetSize(
|
|
SmallBlockChainStream* This,
|
|
ULARGE_INTEGER newSize);
|
|
|
|
ULARGE_INTEGER SmallBlockChainStream_GetSize(
|
|
SmallBlockChainStream* This);
|
|
|
|
ULONG SmallBlockChainStream_GetCount(
|
|
SmallBlockChainStream* This);
|
|
|
|
|
|
#endif __STORAGE32_H__
|
|
|
|
|
|
|