1 files changed, 249 insertions, 0 deletions

diff --git a/private/ole32/stg/h/sstream.hxx b/private/ole32/stg/h/sstream.hxx
new file mode 100644
index 000000000..bc582d27b
--- /dev/null
+++ b/private/ole32/stg/h/sstream.hxx
@@ -0,0 +1,249 @@
+//+-------------------------------------------------------------------
+//
+//  Microsoft Windows
+//  Copyright (C) Microsoft Corporation, 1992 - 1992.
+//
+//  File:           stream.hxx
+//
+//  Contents:       Stream header for mstream project
+//
+//  Classes:        CSStream - single linear stream for MSF
+//
+//  History:        18-Jul-91   Philipla    Created.
+//
+//--------------------------------------------------------------------
+
+
+
+#ifndef __STREAM_HXX__
+#define __STREAM_HXX__
+
+#include <msf.hxx>
+#include <handle.hxx>
+#include <tset.hxx>
+#include <psstream.hxx>
+#include <dfbasis.hxx>
+#include <cache.hxx>
+#include <dl.hxx>
+
+
+
+//+----------------------------------------------------------------------
+//
+//      Class:      CDirectStream (ds)
+//
+//      Purpose:    Direct stream class
+//
+//      History:    18-Jul-91   PhilipLa    Created.
+//
+//      Notes:
+//
+//-----------------------------------------------------------------------
+
+class CDirectStream: public PSStream, public CMallocBased
+{
+    
+public:
+    inline void *operator new(size_t size, IMalloc * const pMalloc);
+    inline void *operator new(size_t size, CDFBasis * const pdfb);
+    inline void ReturnToReserve(CDFBasis * const pdfb);
+    
+    inline static SCODE Reserve(UINT cItems, CDFBasis * const pdfb);
+    inline static void Unreserve(UINT cItems, CDFBasis * const pdfb);
+    
+    CDirectStream(DFLUID dl);
+    ~CDirectStream(void);
+    
+    void InitSystem(CMStream *pms,
+            SID sid,
+            ULONG cbSize);
+    SCODE Init(CStgHandle *pstgh,
+            CDfName const *pdfn,
+            BOOL const fCreate);
+    
+    virtual void AddRef(VOID);
+    
+    inline void DecRef(VOID);
+    
+    virtual void Release(VOID);
+    
+    virtual SCODE BeginCommitFromChild(
+            ULONG ulSize,
+            CDeltaList *pDelta,
+            CTransactedStream *pstChild);
+    
+    virtual void EndCommitFromChild(DFLAGS df,
+            CTransactedStream *pstChild);
+    
+    virtual CDeltaList * GetDeltaList(void);
+    
+    virtual SCODE ReadAt(
+            ULONG ulOffset,
+            VOID HUGEP *pBuffer,
+            ULONG ulCount,
+            ULONG STACKBASED *pulRetval);
+    
+    virtual SCODE WriteAt(
+            ULONG ulOffset,
+            VOID const HUGEP *pBuffer,
+            ULONG ulCount,
+            ULONG STACKBASED *pulRetval);
+    
+    virtual SCODE SetSize(ULONG ulNewSize);
+    
+    virtual void GetSize(ULONG *pulSize);
+    
+    // PBasicEntry
+    
+    inline CStmHandle *GetHandle(void);
+    
+private:
+#ifdef SECURE_STREAMS
+    void ClearSects(ULONG ulStartOffset, ULONG ulEndOffset);
+
+    ULONG _ulHighWater;
+#endif
+    
+    CStmHandle _stmh;
+    CStreamCache _stmc;
+    ULONG    _ulSize;
+    ULONG    _ulOldSize;
+    
+    LONG _cReferences;
+    
+    CBasedDeltaListPtr _pdlHolder;
+};
+
+//+--------------------------------------------------------------
+//
+//  Member:     CDirectStream::operator new, public
+//
+//  Synopsis:   Unreserved object allocator
+//
+//  Arguments:  [size] -- byte count to allocate
+//              [pMalloc] -- allocator
+//
+//  History:    25-May-93       AlexT   Created
+//
+//---------------------------------------------------------------
+
+inline void *CDirectStream::operator new(size_t size, IMalloc * const pMalloc)
+{
+    return(CMallocBased::operator new(size, pMalloc));
+}
+
+//+--------------------------------------------------------------
+//
+//  Member:     CDirectStream::operator new, public
+//
+//  Synopsis:   Reserved object allocator
+//
+//  Arguments:  [size] -- byte count to allocate
+//              [pdfb] -- basis
+//
+//  History:    25-May-93       AlexT   Created
+//
+//---------------------------------------------------------------
+
+inline void *CDirectStream::operator new(size_t size, CDFBasis * const pdfb)
+{
+    olAssert(size == sizeof(CDirectStream));
+    
+    return pdfb->GetFreeList(CDFB_DIRECTSTREAM)->GetReserved();
+}
+
+//+--------------------------------------------------------------
+//
+//  Member:     CDirectStream::ReturnToReserve, public
+//
+//  Synopsis:   Reserved object return
+//
+//  Arguments:  [pdfb] -- basis
+//
+//  History:    25-May-93       AlexT   Created
+//
+//---------------------------------------------------------------
+
+#ifdef CODESEGMENTS
+#pragma code_seg(SEG_CDirectStream_ReturnToReserve)
+#endif
+
+inline void CDirectStream::ReturnToReserve(CDFBasis * const pdfb)
+{
+    CDirectStream::~CDirectStream();
+    pdfb->GetFreeList(CDFB_DIRECTSTREAM)->ReturnToReserve(this);
+}
+
+#ifdef CODESEGMENTS
+#pragma code_seg()
+#endif
+
+//+--------------------------------------------------------------
+//
+//  Member:     CDirectStream::Reserve, public
+//
+//  Synopsis:   Reserve instances
+//
+//  Arguments:  [cItems] -- count of items
+//              [pdfb] -- basis
+//
+//  History:    25-May-93       AlexT   Created
+//
+//---------------------------------------------------------------
+
+inline SCODE CDirectStream::Reserve(UINT cItems, CDFBasis * const pdfb)
+{
+    return pdfb->Reserve(cItems, CDFB_DIRECTSTREAM);
+}
+
+//+--------------------------------------------------------------
+//
+//  Member:     CDirectStream::Unreserve, public
+//
+//  Synopsis:   Unreserve instances
+//
+//  Arguments:  [cItems] -- count of items
+//              [pdfb] -- basis
+//
+//  History:    25-May-93       AlexT   Created
+//
+//---------------------------------------------------------------
+
+inline void CDirectStream::Unreserve(UINT cItems, CDFBasis * const pdfb)
+{
+    pdfb->Unreserve(cItems, CDFB_DIRECTSTREAM);
+}
+
+//+---------------------------------------------------------------------------
+//
+//  Member:	CDirectStream::GetHandle, public
+//
+//  Synopsis:	Returns a pointer to the stream handle
+//
+//  History:	25-Jun-92	DrewB	Created
+//
+//----------------------------------------------------------------------------
+
+inline CStmHandle *CDirectStream::GetHandle(void)
+{
+    return &_stmh;
+}
+
+//+---------------------------------------------------------------------------
+//
+//  Member:	CDirectStream::DecRef, public
+//
+//  Synopsis:	Decrements the ref count
+//
+//  History:	25-Nov-92	DrewB	Created
+//
+//----------------------------------------------------------------------------
+
+inline void CDirectStream::DecRef(void)
+{
+    AtomicDec(&_cReferences);
+}
+
+#endif  //__SSTREAM_HXX__
+
+