3.13

7zip/Common/LimitedStreams.h

@@ -0,0 +1,26 @@
+// LimitedStreams.h
+
+#pragma once
+
+#ifndef __LIMITEDSTREAMS_H
+#define __LIMITEDSTREAMS_H
+
+#include "../../Common/MyCom.h"
+#include "../IStream.h"
+
+class CLimitedSequentialInStream: 
+  public ISequentialInStream,
+  public CMyUnknownImp
+{
+  UINT64 _size;
+  CMyComPtr<ISequentialInStream> _stream;
+public:
+  void Init(ISequentialInStream *stream, UINT64 streamSize);
+ 
+  MY_UNKNOWN_IMP
+
+  STDMETHOD(Read)(void *data, UINT32 size, UINT32 *processedSize);
+  STDMETHOD(ReadPart)(void *data, UINT32 size, UINT32 *processedSize);
+};
+
+#endif