1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Common/LockedStream.cpp	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,23 @@
     1.4 +// LockedStream.cpp
     1.5 +
     1.6 +#include "StdAfx.h"
     1.7 +
     1.8 +#include "LockedStream.h"
     1.9 +
    1.10 +HRESULT CLockedInStream::Read(UInt64 startPos, void *data, UInt32 size,
    1.11 +  UInt32 *processedSize)
    1.12 +{
    1.13 +  NWindows::NSynchronization::CCriticalSectionLock lock(_criticalSection);
    1.14 +  RINOK(_stream->Seek(startPos, STREAM_SEEK_SET, NULL));
    1.15 +  return _stream->Read(data, size, processedSize);
    1.16 +}
    1.17 +
    1.18 +STDMETHODIMP CLockedSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)
    1.19 +{
    1.20 +  UInt32 realProcessedSize = 0;
    1.21 +  HRESULT result = _lockedInStream->Read(_pos, data, size, &realProcessedSize);
    1.22 +  _pos += realProcessedSize;
    1.23 +  if (processedSize != NULL)
    1.24 +    *processedSize = realProcessedSize;
    1.25 +  return result;
    1.26 +}