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, 37 insertions, 0 deletions

diff --git a/src/libs/3rdparty/7zip/win/CPP/Windows/Handle.h b/src/libs/3rdparty/7zip/win/CPP/Windows/Handle.h
new file mode 100644
index 000000000..bb7cb705d
--- /dev/null
+++ b/src/libs/3rdparty/7zip/win/CPP/Windows/Handle.h
@@ -0,0 +1,37 @@
+// Windows/Handle.h
+
+#ifndef __WINDOWS_HANDLE_H
+#define __WINDOWS_HANDLE_H
+
+namespace NWindows {
+
+class CHandle
+{
+protected:
+  HANDLE _handle;
+public:
+  operator HANDLE() { return _handle; }
+  CHandle(): _handle(NULL) {}
+  ~CHandle() { Close(); }
+  bool IsCreated() const { return (_handle != NULL); }
+  bool Close()
+  {
+    if (_handle == NULL)
+      return true;
+    if (!::CloseHandle(_handle))
+      return false;
+    _handle = NULL;
+    return true;
+  }
+  void Attach(HANDLE handle) { _handle = handle; }
+  HANDLE Detach()
+  {
+    HANDLE handle = _handle;
+    _handle = NULL;
+    return handle;
+  }
+};
+
+}
+
+#endif