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936 lines
24 KiB
936 lines
24 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1992.
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//
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// File: msf.hxx
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//
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// Contents: Header for MSF for external use
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//
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// Classes: CMStream - Main multi-stream object
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//
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// History: 27-Aug-91 PhilipLa Created.
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// 24-Apr-92 AlexT Added constants for minifat/stream
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//
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//--------------------------------------------------------------------------
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#ifndef __MSF_HXX__
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#define __MSF_HXX__
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#include <dfmsp.hxx>
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#include <error.hxx>
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#define SECURE
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#define msfErr(l, e) ErrJmp(msf, l, e, sc)
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#define msfChkTo(l, e) if (FAILED(sc = (e))) msfErr(l, sc) else 1
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#define msfHChkTo(l, e) if (FAILED(sc = GetScode(e))) msfErr(l, sc) else 1
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#define msfChk(e) msfChkTo(Err, e)
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#define msfHChk(e) msfHChkTo(Err, e)
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#define msfMemTo(l, e) if ((e) == NULL) msfErr(l, STG_E_INSUFFICIENTMEMORY) else 1
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#define msfMem(e) msfMemTo(Err, e)
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#if DBG == 1
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DECLARE_DEBUG(msf);
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#endif
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#if DBG == 1
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#define msfDebugOut(x) msfInlineDebugOut x
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#define msfAssert(e) Win4Assert(e)
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#define msfVerify(e) Win4Assert(e)
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#else
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#define msfDebugOut(x)
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#define msfAssert(e)
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#define msfVerify(e) (e)
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#endif
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#if WIN32 == 200
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//SECURE_SIMPLE_MODE means streams in simple mode will zero themselves.
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#define SECURE_SIMPLE_MODE
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//SECURE_STREAMS means streams in regular docfile will zero themselves.
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#define SECURE_STREAMS
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//SECURE_BUFFER means there is a 4K zero-filled buffer available.
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#define SECURE_BUFFER
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//SECURE_TAIL means that regular docfile will write over tail portions of
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// unused sectors.
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#define SECURE_TAIL
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#endif
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//Enable for testing on all platforms.
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//#define SECURE_SIMPLE_MODE
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//#define SECURE_STREAMS
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//#define SECURE_BUFFER
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//#define SECURE_TAIL
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#if DBG == 1
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#define SECURECHAR 'P'
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#else
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#define SECURECHAR 0
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#endif
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#define USE_NEW_GETFREE
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#define DIFAT_LOOKUP_ARRAY
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#define DIFAT_OPTIMIZATIONS
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#define CACHE_ALLOCATE_OPTIMIZATION
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//Enable sorting on the page table.
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#define SORTPAGETABLE
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//Enable no-scratch mode on all platforms.
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#define USE_NOSCRATCH
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//Enable no-snapshot mode on all platforms.
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#define USE_NOSNAPSHOT
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//Enable USE_NOSNAPSHOT_ALWAYS for testig purposes only.
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//#define USE_NOSNAPSHOT_ALWAYS
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//Enable coordinated transaction code on Cairo only.
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#if WIN32 == 300
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#define COORD
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#endif
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//Enable coordinated transaction code on other platforms
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// For testing only.
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#ifndef COORD
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//#define COORD
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#endif
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//Enable single writer multiple reader support
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#define DIRECTWRITERLOCK
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// MSF entry flags type
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typedef DWORD MSENTRYFLAGS;
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// MEF_ANY refers to all entries regardless of type
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const MSENTRYFLAGS MEF_ANY = 255;
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//CWCSTREAMNAME is the maximum length (in wide characters) of
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// a stream name.
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const USHORT CWCSTREAMNAME = 32;
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//OFFSET and SECT are used to determine positions within
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//a file.
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typedef SHORT OFFSET;
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typedef ULONG SECT;
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//MAXINDEX type is used to dodge warnings. It is the
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// largest type for which array[MAXINDEXTYPE] is valid.
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#define MAXINDEXTYPE ULONG
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//FSINDEX and FSOFFSET are used to determine the position of a sector
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//within the Fat.
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typedef ULONG FSINDEX;
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typedef USHORT FSOFFSET;
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// DIRINDEX and DIROFFSET are used to index directory tables
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typedef ULONG DIRINDEX;
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typedef USHORT DIROFFSET;
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//Size of a mini sector in bytes.
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const USHORT MINISECTORSHIFT = 6;
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const USHORT MINISECTORSIZE = 1 << MINISECTORSHIFT; //64
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//Maximum size of a ministream.
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const USHORT MINISTREAMSIZE=4096;
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//Size of a single sector in bytes.
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const USHORT SECTORSHIFT512 = 9;
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const USHORT SECTORSHIFT4K = 12;
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//Size of header.
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const USHORT HEADERSIZE = 1 << SECTORSHIFT512; //512
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//Size of single DirEntry
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const USHORT DIRENTRYSIZE = HEADERSIZE / 4; //128
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//Size of a single sector in a scratch multistream
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const USHORT SCRATCHSECTORSHIFT = 12;
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const USHORT SCRATCHSECTORSIZE = 1 << SCRATCHSECTORSHIFT; //4096
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const ULONGLONG MAX_ULONGLONG = 0xFFFFFFFFFFFFFFFF;
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const ULONG MAX_ULONG = 0xFFFFFFFF;
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const USHORT MAX_USHORT = 0xFFFF;
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//
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// Predefined Sector Indices
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//
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const SECT MAXREGSECT = 0xFFFFFFFA;
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const SECT STREAMSECT = 0xFFFFFFFB;
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const SECT DIFSECT=0xFFFFFFFC;
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const SECT FATSECT=0xFFFFFFFD;
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const SECT ENDOFCHAIN=0xFFFFFFFE;
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const SECT FREESECT=0xFFFFFFFF;
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//Start of Fat chain
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const SECT SECTFAT = 0;
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//Start of directory chain
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const SECT SECTDIR = 1;
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//
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// Predefined Stream ID's
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//
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//Return code for Directory
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//Used to signal a 'Stream Not Found' condition
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const SID NOSTREAM=0xFFFFFFFF;
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//Stream ID of FAT chain
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const SID SIDFAT=0xFFFFFFFE;
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//Stream ID of Directory chain
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const SID SIDDIR=0xFFFFFFFD;
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//SID for root level object
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const SID SIDROOT = 0;
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//SID of MiniFat
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const SID SIDMINIFAT = 0xFFFFFFFC;
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//SID of Double-indirect Fat
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const SID SIDDIF = 0xFFFFFFFB;
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//Stream ID for MiniStream chain
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const SID SIDMINISTREAM = SIDROOT;
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//SID of the largest regular (non-control) SID
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const SID MAXREGSID = 0xFFFFFFFA;
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//CSECTPERBLOCK is used in CDeltaList to determine the granularity
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//of the list.
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const USHORT CSECTPERBLOCK = 16;
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class CMStream;
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//Interesting names of things
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extern const WCHAR wcsContents[]; //Name of contents stream for
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// conversion
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extern const WCHAR wcsRootEntry[]; //Name of root directory
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// entry
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class PSStream;
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class CDirectStream;
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class CMSFPageTable;
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class CStreamCache;
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#define FLUSH_ILB TRUE
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SAFE_DFBASED_PTR(CBasedMStreamPtr, CMStream);
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#pragma warning(disable: 4284)
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// disable warning about return type of operator->()
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SAFE_DFBASED_PTR(CBasedBytePtr, BYTE);
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SAFE_DFBASED_PTR(CBasedILockBytesPtrPtr, ILockBytes*);
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#pragma warning(default: 4284)
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#include <header.hxx>
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#include <fat.hxx>
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#include <dir.hxx>
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#include <difat.hxx>
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#include <cache.hxx>
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//+----------------------------------------------------------------------
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//
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// Class: CMStream (ms)
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//
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// Purpose: Main interface to multi-streams
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//
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// Interface: See below
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//
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// History: 18-Jul-91 PhilipLa Created.
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// 26-Aug-82 t-chrisy added init function for
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// corrupted mstream
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// 26-May-95 SusiA added GetAllTimes
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// 26-Nov-95 SusiA added SetAllTimes
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// 06-Sep-95 MikeHill Added _fMaintainFLBModifyTimestamp,
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// MaintainFLBModifyTimestamp(),
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// and SetFileLockBytesTime().
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// 26-Apr-99 RogerCh Removed _fMaintainFLBModifyTimestamp,
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// MaintainFLBModifyTimestamp()
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// Notes:
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//
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//-----------------------------------------------------------------------
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class CMStream : public CMallocBased
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{
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public:
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CMStream(
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IMalloc *pMalloc,
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ILockBytes **pplstParent,
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BOOL fIsScratch,
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DFLAGS df,
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USHORT uSectorShift);
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CMStream(const CMStream *pms);
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~CMStream();
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SCODE Init(VOID);
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SCODE InitNew(BOOL fDelay, ULARGE_INTEGER uliSize);
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SCODE InitConvert(BOOL fDelayConvert);
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void InitCopy(CMStream *pms);
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SCODE InitScratch(CMStream *pmsBase, BOOL fNew);
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void Empty(void);
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inline SCODE CreateEntry(
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SID const sidParent,
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CDfName const *pdfn,
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MSENTRYFLAGS const mefFlags,
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SID *psid);
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// No implementation, currently unused, placeholder
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void ReleaseEntry(SID const sid);
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inline SCODE DestroyEntry(
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SID const sidParent,
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CDfName const *pdfn);
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#ifdef LARGE_STREAMS
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inline SCODE KillStream(SECT sectStart, ULONGLONG ulSize);
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#else
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inline SCODE KillStream(SECT sectStart, ULONG ulSize);
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#endif
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inline SCODE RenameEntry(
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SID const sidParent,
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CDfName const *pdfn,
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CDfName const *pdfnNew);
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inline SCODE IsEntry(
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SID const sidParent,
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CDfName const *pdfn,
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SEntryBuffer *peb);
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inline SCODE StatEntry(
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SID const sid,
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SIterBuffer *pib,
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STATSTGW *pstatstg);
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SCODE GetTime(
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SID const sid,
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WHICHTIME const tt,
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TIME_T *pnt);
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SCODE GetAllTimes(
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SID const sid,
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TIME_T *patm,
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TIME_T *pmtm,
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TIME_T *pctm);
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SCODE SetAllTimes(
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SID const sid,
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TIME_T atm,
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TIME_T mtm,
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TIME_T ctm);
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SCODE SetFileLockBytesTime(
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WHICHTIME const tt,
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TIME_T nt);
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SCODE SetAllFileLockBytesTimes(
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TIME_T atm,
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TIME_T mtm,
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TIME_T ctm);
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SCODE SetTime(
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SID const sid,
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WHICHTIME const tt,
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TIME_T nt);
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inline SCODE GetClass(SID const sid,
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CLSID *pclsid);
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inline SCODE SetClass(SID const sid,
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REFCLSID clsid);
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inline SCODE GetStateBits(SID const sid,
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DWORD *pgrfStateBits);
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inline SCODE SetStateBits(SID const sid,
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DWORD grfStateBits,
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DWORD grfMask);
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inline void SetScratchMS(CMStream *pmsNoScratch);
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inline SCODE GetEntrySize(
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SID const sid,
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#ifdef LARGE_STREAMS
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ULONGLONG *pcbSize);
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#else
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ULONG *pcbSize);
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#endif
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inline SCODE GetChild(
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SID const sid,
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SID *psid);
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inline SCODE FindGreaterEntry(
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SID sidChildRoot,
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CDfName const *pdfn,
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SID *psidResult);
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SCODE BeginCopyOnWrite(DWORD const dwFlags);
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SCODE EndCopyOnWrite(
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DWORD const dwCommitFlags,
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DFLAGS const df);
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SCODE Consolidate();
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SCODE BuildConsolidationControlSectList(SECT **ppsectList,
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ULONG *pcsectList);
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BOOL IsSectorInList(SECT sect,
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SECT *psectList,
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ULONG csectList);
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SCODE ConsolidateStream(CDirEntry *pde, SECT sectLimit);
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SCODE MoveSect(SECT sectPrev, SECT sectOld, SECT sectNew);
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SCODE ReadSect(
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SID sid,
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SECT sect,
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VOID *pbuf,
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ULONG& ulRetval);
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SCODE WriteSect(
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SID sid,
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SECT sect,
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VOID *pbuf,
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ULONG& ulRetval);
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inline SCODE SetSize(VOID);
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inline SCODE SetMiniSize(VOID);
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SCODE MWrite(
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SID sid,
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BOOL fIsMiniStream,
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#ifdef LARGE_STREAMS
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ULONGLONG ulOffset,
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#else
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ULONG ulOffset,
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#endif
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VOID const HUGEP *pBuffer,
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ULONG ulCount,
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CStreamCache *pstmc,
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ULONG *pulRetVal);
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inline CMSFHeader * GetHeader(VOID) const;
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inline CFat * GetFat(VOID) const;
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inline CFat * GetMiniFat(VOID) const;
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inline CDIFat * GetDIFat(VOID) const;
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inline CDirectory * GetDir(VOID) const;
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inline CMSFPageTable * GetPageTable(VOID) const;
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#ifdef LARGE_DOCFILE
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inline ULONGLONG GetParentSize(VOID) const;
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#else
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inline ULONG GetParentSize(VOID) const;
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#endif
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inline USHORT GetSectorSize(VOID) const;
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inline USHORT GetSectorShift(VOID) const;
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inline USHORT GetSectorMask(VOID) const;
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SCODE Flush(BOOL fFlushILB);
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SCODE FlushHeader(USHORT uForce);
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inline BOOL IsScratch(VOID) const;
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inline BOOL IsUnconverted(VOID) const;
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inline BOOL IsInCOW(VOID) const;
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inline BOOL IsShadow(VOID) const;
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inline BOOL HasNoScratch(VOID) const;
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inline CDirectStream * GetMiniStream(VOID) const;
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inline ILockBytes * GetILB(VOID) const;
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inline SCODE GetSect(SID sid, SECT sect, SECT *psect);
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inline SCODE GetESect(SID sid, SECT sect, SECT *psect);
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#ifdef LARGE_STREAMS
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inline SCODE GetSize(SID sid, ULONGLONG *pulSize);
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#else
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inline SCODE GetSize(SID sid, ULONG *pulSize);
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#endif
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#ifdef MULTIHEAP
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IMalloc *GetMalloc(VOID) const;
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#else
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inline IMalloc *GetMalloc(VOID) const;
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#endif
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SCODE SecureSect(
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const SECT sect,
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#ifdef LARGE_STREAMS
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const ULONGLONG ulSize,
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#else
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const ULONG ulSize,
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#endif
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const BOOL fIsMini);
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inline CStreamCache * GetDirCache(void) const;
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inline CStreamCache * GetMiniFatCache(void) const;
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inline SECT GetStart(SID sid) const;
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private:
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// The ILockBytes ptr can be a CFileStream or custom ILockBytes from app
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// The ILockbytes ptr is unmarshaled and stored in a CPerContext
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// The SAFE_ACCESS macros adjust the CDFBasis before every call
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// with the correct absolute address ILockBytes pointer values
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CBasedILockBytesPtrPtr _pplstParent; // based ptr to an absolute ptr
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CBasedMSFPageTablePtr _pmpt;
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CMSFHeader _hdr; // align on 8-byte boundary for unbuffered I/O
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CDirectory _dir;
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CFat _fat;
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CDIFat _fatDif;
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CFat _fatMini;
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CStreamCache _stmcDir;
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CStreamCache _stmcMiniFat;
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CBasedDirectStreamPtr _pdsministream;
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CBasedMStreamPtr _pmsShadow;
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CBasedBytePtr _pCopySectBuf;
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#if DBG == 1
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LONG _uBufferRef;
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#endif
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BOOL const _fIsScratch;
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BOOL _fIsNoScratch; //TRUE if the multistream is being used
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//as a scratch MS in NoScratch mode.
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CBasedMStreamPtr _pmsScratch;
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BOOL _fIsNoSnapshot;
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BOOL _fBlockWrite;
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BOOL _fTruncate;
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BOOL _fBlockHeader;
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BOOL _fNewConvert;
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BOOL _fIsShadow;
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#ifdef LARGE_DOCFILE
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ULONGLONG _ulParentSize;
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#else
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ULONG _ulParentSize;
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#endif
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USHORT _uSectorSize;
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USHORT _uSectorShift;
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USHORT _uSectorMask;
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IMalloc * const _pMalloc;
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SCODE InitCommon(VOID);
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SCODE CopySect(
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SECT sectOld,
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SECT sectNew,
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OFFSET oStart,
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OFFSET oEnd,
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BYTE const HUGEP *pb,
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ULONG *pulRetval);
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SCODE ConvertILB(SECT sectMax);
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|
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friend SCODE DllGetScratchMultiStream(
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CMStream **ppms,
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BOOL fIsNoScratch,
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ILockBytes **pplstStream,
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CMStream *pmsMaster);
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};
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|
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//+-------------------------------------------------------------------------
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|
//
|
|
// Method: CMStream::GetSectorSize, public
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//
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|
// Synopsis: Returns the current sector size
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//
|
|
// History: 05-May-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline USHORT CMStream::GetSectorSize(VOID) const
|
|
{
|
|
return _uSectorSize;
|
|
}
|
|
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CMStream::GetSectorShift, public
|
|
//
|
|
// Synopsis: Returns the current shift for sector math
|
|
//
|
|
// History: 05-May-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline USHORT CMStream::GetSectorShift(VOID) const
|
|
{
|
|
return _uSectorShift;
|
|
}
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CMStream::GetSectorMask, public
|
|
//
|
|
// Synopsis: Returns the current mask for sector math
|
|
//
|
|
// History: 05-May-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline USHORT CMStream::GetSectorMask(VOID) const
|
|
{
|
|
return _uSectorMask;
|
|
}
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CMStream::GetHeader, public
|
|
//
|
|
// Synopsis: Returns a pointer to the current header.
|
|
//
|
|
// History: 11-Dec-91 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CMSFHeader * CMStream::GetHeader(VOID) const
|
|
{
|
|
return (CMSFHeader *)&_hdr;
|
|
}
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CMStream::GetFat, public
|
|
//
|
|
// Synopsis: Returns a pointer to the current Fat
|
|
//
|
|
// History: 11-May-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CFat * CMStream::GetFat(VOID) const
|
|
{
|
|
return (CFat *)&_fat;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetMiniFat
|
|
//
|
|
// Synopsis: Returns a pointer to the current minifat
|
|
//
|
|
// History: 12-May-92 AlexT Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CFat * CMStream::GetMiniFat(VOID) const
|
|
{
|
|
return (CFat *)&_fatMini;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CMStream::GetDIFat, public
|
|
//
|
|
// Synopsis: Returns pointer to the current Double Indirect Fat
|
|
//
|
|
// History: 11-May-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CDIFat * CMStream::GetDIFat(VOID) const
|
|
{
|
|
return (CDIFat *)&_fatDif;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetDir
|
|
//
|
|
// Synopsis: Returns a pointer to the current directory
|
|
//
|
|
// History: 14-May-92 AlexT Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CDirectory * CMStream::GetDir(VOID) const
|
|
{
|
|
return (CDirectory *)&_dir;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::IsScratch
|
|
//
|
|
// Synopsis: Returns TRUE for scratch multistreams, else FALSE
|
|
//
|
|
// History: 14-May-92 AlexT Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline BOOL CMStream::IsScratch(VOID) const
|
|
{
|
|
return(_fIsScratch);
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::HasNoScratch, public
|
|
//
|
|
// Synopsis: Returns TRUE if this multistream is a base MS in no-scratch
|
|
// mode.
|
|
//
|
|
// History: 11-Apr-95 PhilipLa Created
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline BOOL CMStream::HasNoScratch(VOID) const
|
|
{
|
|
return (_pmsScratch != NULL);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::IsInCOW
|
|
//
|
|
// Synopsis: Returns TRUE if multistream is in copy-on-write mode
|
|
//
|
|
// History: 24-Feb-93 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline BOOL CMStream::IsInCOW(VOID) const
|
|
{
|
|
return _fBlockHeader;
|
|
}
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::IsShadow
|
|
//
|
|
// Synopsis: Returns TRUE for shadow multistreams, else FALSE
|
|
//
|
|
// History: 03-Nov-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline BOOL CMStream::IsShadow(VOID) const
|
|
{
|
|
return _fIsShadow;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CMStream::IsUnconverted, public
|
|
//
|
|
// Synopsis: Returns TRUE if multistream is in unconverted state.
|
|
//
|
|
// History: 09-Jun-92 PhilipLa Created.
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline BOOL CMStream::IsUnconverted(VOID) const
|
|
{
|
|
return _fBlockWrite;
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetMiniStream
|
|
//
|
|
// Synopsis: Returns pointer to the current ministream
|
|
//
|
|
// History: 15-May-92 AlexT Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CDirectStream * CMStream::GetMiniStream(VOID)
|
|
const
|
|
{
|
|
return BP_TO_P(CDirectStream *, _pdsministream);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetILB
|
|
//
|
|
// Synopsis: Returns a pointer to the current parent ILockBytes
|
|
//
|
|
// History: 15-May-92 AlexT Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline ILockBytes * CMStream::GetILB(VOID) const
|
|
{
|
|
return(*_pplstParent);
|
|
}
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetPageTable
|
|
//
|
|
// Synopsis: Returns a pointer to the current page table
|
|
//
|
|
// History: 26-Oct-92 PhilipLa Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
inline CMSFPageTable * CMStream::GetPageTable(VOID) const
|
|
{
|
|
return BP_TO_P(CMSFPageTable *, _pmpt);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetParentSize
|
|
//
|
|
// Synopsis: Returns the cached parent size for this multistream.
|
|
// If this is non-zero, it indicates a commit is in
|
|
// progress.
|
|
//
|
|
// History: 01-Feb-93 PhilipLa Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#ifdef LARGE_DOCFILE
|
|
inline ULONGLONG CMStream::GetParentSize(VOID) const
|
|
#else
|
|
inline ULONG CMStream::GetParentSize(VOID) const
|
|
#endif
|
|
{
|
|
return _ulParentSize;
|
|
}
|
|
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetDirCache, public
|
|
//
|
|
// Synopsis: Returns a pointer to the directory cache
|
|
//
|
|
// History: 01-Jun-94 PhilipLa Created
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline CStreamCache * CMStream::GetDirCache(void) const
|
|
{
|
|
return (CStreamCache *)&_stmcDir;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Member: CMStream::GetMiniFatCache, public
|
|
//
|
|
// Synopsis: Returns a pointer to the minifat cache
|
|
//
|
|
// History: 01-Jun-94 PhilipLa Created
|
|
//----------------------------------------------------------------------------
|
|
|
|
inline CStreamCache * CMStream::GetMiniFatCache(void) const
|
|
{
|
|
return (CStreamCache *)&_stmcMiniFat;
|
|
}
|
|
|
|
|
|
#ifndef STGM_SIMPLE
|
|
//STGM_SIMPLE should be in objbase.h - if it isn't, define it here so
|
|
// we build.
|
|
#define STGM_SIMPLE 0x08000000L
|
|
#endif
|
|
|
|
#ifndef STGM_NOSCRATCH
|
|
//STGM_NOSCRATCH should be in objbase.h - if it isn't, define it here so
|
|
// we build.
|
|
#define STGM_NOSCRATCH 0x00100000L
|
|
#endif
|
|
|
|
#ifndef STGM_NOSNAPSHOT
|
|
//STGM_NOSNAPSHOT should be in objbase.h - if it isn't, define it here so
|
|
// we build.
|
|
#define STGM_NOSNAPSHOT 0x00200000L
|
|
#endif
|
|
|
|
extern SCODE DfCreateSimpDocfile(WCHAR const *pwcsName,
|
|
DWORD grfMode,
|
|
DWORD reserved,
|
|
IStorage **ppstgOpen);
|
|
|
|
extern SCODE DfOpenSimpDocfile(WCHAR const *pwcsName,
|
|
DWORD grfMode,
|
|
DWORD reserved,
|
|
IStorage **ppstgOpen);
|
|
|
|
extern SCODE DllMultiStreamFromStream(
|
|
IMalloc *pMalloc,
|
|
CMStream **ppms,
|
|
ILockBytes **pplstStream,
|
|
DWORD dwStartFlags,
|
|
DFLAGS df);
|
|
|
|
extern SCODE DllMultiStreamFromCorruptedStream(
|
|
CMStream **ppms,
|
|
ILockBytes **pplstStream,
|
|
DWORD dwFlags);
|
|
|
|
extern void DllReleaseMultiStream(CMStream *pms);
|
|
|
|
extern SCODE DllGetScratchMultiStream(
|
|
CMStream **ppms,
|
|
BOOL fIsNoScratch,
|
|
ILockBytes **pplstStream,
|
|
CMStream *pmsMaster);
|
|
|
|
extern SCODE DllIsMultiStream(ILockBytes *plstStream);
|
|
|
|
extern SCODE DllGetCommitSig(ILockBytes *plst, DFSIGNATURE *psig);
|
|
|
|
extern SCODE DllSetCommitSig(ILockBytes *plst, DFSIGNATURE sig);
|
|
|
|
#if DBG == 1
|
|
extern VOID SetInfoLevel(ULONG x);
|
|
#endif
|
|
|
|
#define SCRATCHBUFFERSIZE SCRATCHSECTORSIZE
|
|
#define MAXBUFFERSIZE 65536
|
|
|
|
extern BYTE s_bufSecure[MINISTREAMSIZE];
|
|
extern BYTE s_bufSafe[SCRATCHBUFFERSIZE];
|
|
extern LONG s_bufSafeRef;
|
|
#endif //__MSF_HXX__
|
|
|