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view src/win32/7zip/7z/CPP/7zip/Common/LockedStream.cpp @ 1:f9f4f1b99eed

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importing src directory
author Robert McIntyre <rlm@mit.edu>
date Sat, 03 Mar 2012 10:31:27 -0600
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     1 // LockedStream.cpp



     2 



     3 #include "StdAfx.h"



     4 



     5 #include "LockedStream.h"



     6 



     7 HRESULT CLockedInStream::Read(UInt64 startPos, void *data, UInt32 size,



     8   UInt32 *processedSize)



     9 {



    10   NWindows::NSynchronization::CCriticalSectionLock lock(_criticalSection);



    11   RINOK(_stream->Seek(startPos, STREAM_SEEK_SET, NULL));



    12   return _stream->Read(data, size, processedSize);



    13 }



    14 



    15 STDMETHODIMP CLockedSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)



    16 {



    17   UInt32 realProcessedSize = 0;



    18   HRESULT result = _lockedInStream->Read(_pos, data, size, &realProcessedSize);



    19   _pos += realProcessedSize;



    20   if (processedSize != NULL)



    21     *processedSize = realProcessedSize;



    22   return result;



    23 }