[DataStreamer] restored deprecated c-tors that was removed by mistake

include/nexuscpp/nxbuffer.h

@@ -394,6 +394,8 @@ public:
 
     DataStreamer(const std::string&, int, int);
     DataStreamer(const std::string&, int);
+    DataStreamer(const std::string&, std::size_t, std::size_t);
+    DataStreamer(const std::string&, std::size_t);
     void Initialize(const std::string&x, const std::string&y="");
     void SetDataItemNodeName(const std::string&, const std::string&);
     void SetPath(const std::string&, const std::string&);

src/nxbuffer.cpp

@@ -753,6 +753,28 @@ DataStreamer::DataStreamer(const Config& cfg)
   Initialize(cfg);
 }
 
+//------------------------------------------------------------------------------
+// DataStreamer::DataStreamer
+//------------------------------------------------------------------------------
+DataStreamer::DataStreamer(const std::string &sBufferName, std::size_t iAcquisitionSize, std::size_t iBufferSize)
+{
+    init();
+    m_cfg.buffer_name = sBufferName;
+    m_cfg.buffer_size = iBufferSize;
+    m_cfg.acquisition_size = iAcquisitionSize;
+}
+
+//------------------------------------------------------------------------------
+// DataStreamer::DataStreamer
+//------------------------------------------------------------------------------
+DataStreamer::DataStreamer(const std::string &sBufferName, std::size_t iBufferSize)
+{
+    init();
+    m_cfg.buffer_name = sBufferName;
+    m_cfg.buffer_size = iBufferSize;
+    m_cfg.acquisition_size = iBufferSize;
+}
+
 //------------------------------------------------------------------------------
 // DataStreamer::DataStreamer
 //------------------------------------------------------------------------------