1 files changed, 23 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Archive/Common/OutStreamWithCRC.cpp b/other-licenses/7zstub/src/7zip/Archive/Common/OutStreamWithCRC.cpp
new file mode 100644
index 000000000..6199562ee
--- /dev/null
+++ b/other-licenses/7zstub/src/7zip/Archive/Common/OutStreamWithCRC.cpp
@@ -0,0 +1,23 @@
+// OutStreamWithCRC.cpp
+
+#include "StdAfx.h"
+
+#include "OutStreamWithCRC.h"
+
+STDMETHODIMP COutStreamWithCRC::Write(const void *data, 
+    UInt32 size, UInt32 *processedSize)
+{
+  UInt32 realProcessedSize;
+  HRESULT result;
+  if(!_stream)
+  {
+    realProcessedSize = size;
+    result = S_OK;
+  }
+  else
+    result = _stream->Write(data, size, &realProcessedSize);
+  _crc.Update(data, realProcessedSize);
+  if(processedSize != NULL)
+    *processedSize = realProcessedSize;
+  return result;
+}