Move LZMA SDK to 3rdparty subdirectory

Also add attribution document.

Task-number: QTIFW-2336
Change-Id: I91546bc6c3ace244e4b546b945f40b7d204f7463
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/Common/DummyOutStream.cpp b/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/Common/DummyOutStream.cpp
new file mode 100644
index 000000000..7c4f54879
--- /dev/null
+++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/Common/DummyOutStream.cpp
@@ -0,0 +1,17 @@
+// DummyOutStream.cpp
+
+#include "StdAfx.h"
+
+#include "DummyOutStream.h"
+
+STDMETHODIMP CDummyOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
+{
+  UInt32 realProcessedSize = size;
+  HRESULT res = S_OK;
+  if (_stream)
+    res = _stream->Write(data, size, &realProcessedSize);
+  _size += realProcessedSize;
+  if (processedSize)
+    *processedSize = realProcessedSize;
+  return res;
+}