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, 22 insertions, 0 deletions

diff --git a/src/libs/3rdparty/7zip/win/CPP/7zip/Archive/7z/7zSpecStream.cpp b/src/libs/3rdparty/7zip/win/CPP/7zip/Archive/7z/7zSpecStream.cpp
new file mode 100644
index 000000000..8e45d9875
--- /dev/null
+++ b/src/libs/3rdparty/7zip/win/CPP/7zip/Archive/7z/7zSpecStream.cpp
@@ -0,0 +1,22 @@
+// 7zSpecStream.cpp
+
+#include "StdAfx.h"
+
+#include "7zSpecStream.h"
+
+STDMETHODIMP CSequentialInStreamSizeCount2::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+  UInt32 realProcessedSize;
+  HRESULT result = _stream->Read(data, size, &realProcessedSize);
+  _size += realProcessedSize;
+  if (processedSize)
+    *processedSize = realProcessedSize;
+  return result;
+}
+
+STDMETHODIMP CSequentialInStreamSizeCount2::GetSubStreamSize(UInt64 subStream, UInt64 *value)
+{
+  if (!_getSubStreamSize)
+    return E_NOTIMPL;
+  return _getSubStreamSize->GetSubStreamSize(subStream, value);
+}