1 files changed, 21 insertions, 4 deletions
diff --git a/CPP/7zip/Common/StreamObjects.h b/CPP/7zip/Common/StreamObjects.h
index d0c86b56..e20e9bd8 100644
--- a/CPP/7zip/Common/StreamObjects.h
+++ b/CPP/7zip/Common/StreamObjects.h
@@ -9,6 +9,21 @@
 
 #include "../IStream.h"
 
+class CBufferInStream:
+  public IInStream,
+  public CMyUnknownImp
+{
+  UInt64 _pos;
+public:
+  CByteBuffer Buf;
+  void Init() { _pos = 0; }
+ 
+  MY_UNKNOWN_IMP2(ISequentialInStream, IInStream)
+
+  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+  STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
+};
+
 struct CReferenceBuf:
   public IUnknown,
   public CMyUnknownImp
@@ -40,8 +55,10 @@ public:
   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
 };
 
-// void Create_BufInStream_WithReference(const void *data, size_t size, ISequentialInStream **stream);
-void Create_BufInStream_WithNewBuf(const void *data, size_t size, ISequentialInStream **stream);
+void Create_BufInStream_WithReference(const void *data, size_t size, IUnknown *ref, ISequentialInStream **stream);
+void Create_BufInStream_WithNewBuffer(const void *data, size_t size, ISequentialInStream **stream);
+inline void Create_BufInStream_WithNewBuffer(const CByteBuffer &buf, ISequentialInStream **stream)
+  { Create_BufInStream_WithNewBuffer(buf, buf.Size(), stream); }
 
 class CByteDynBuffer
 {
@@ -53,8 +70,8 @@ public:
   ~CByteDynBuffer() { Free(); }
   void Free() throw();
   size_t GetCapacity() const { return _capacity; }
-  operator Byte*() const { return _buf; };
-  operator const Byte*() const { return _buf; };
+  operator Byte*() const { return _buf; }
+  operator const Byte*() const { return _buf; }
   bool EnsureCapacity(size_t capacity) throw();
 };