1 files changed, 91 insertions, 0 deletions
diff --git a/gr-blocks/lib/copy_impl.cc b/gr-blocks/lib/copy_impl.cc
new file mode 100644
index 0000000000..929f22b7d3
--- /dev/null
+++ b/gr-blocks/lib/copy_impl.cc
@@ -0,0 +1,91 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2009,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "copy_impl.h"
+#include <gr_io_signature.h>
+#include <string.h>
+
+namespace gr {
+  namespace blocks {
+
+    copy::sptr
+    copy::make(size_t itemsize)
+    {
+      return gnuradio::get_initial_sptr
+        (new copy_impl(itemsize));
+    }
+
+    copy_impl::copy_impl(size_t itemsize)
+      : gr_block("copy",
+                 gr_make_io_signature(1, -1, itemsize),
+                 gr_make_io_signature(1, -1, itemsize)),
+        d_itemsize(itemsize),
+        d_enabled(true)
+    {
+    }
+
+    copy_impl::~copy_impl()
+    {
+    }
+
+    void
+    copy_impl::forecast(int noutput_items, gr_vector_int &ninput_items_required)
+    {
+      unsigned ninputs = ninput_items_required.size();
+      for (unsigned i = 0; i < ninputs; i++)
+	ninput_items_required[i] = noutput_items;
+    }
+
+    bool
+    copy_impl::check_topology(int ninputs, int noutputs)
+    {
+      return ninputs == noutputs;
+    }
+
+    int
+    copy_impl::general_work(int noutput_items,
+                            gr_vector_int &ninput_items,
+                            gr_vector_const_void_star &input_items,
+                            gr_vector_void_star &output_items)
+    {
+      const uint8_t **in = (const uint8_t**)&input_items[0];
+      uint8_t **out = (uint8_t**)&output_items[0];
+
+      int n = 0;
+      if(d_enabled) {
+        int ninputs = input_items.size();
+        for(int i = 0; i < ninputs; i++) {
+          memcpy(out[i], in[i], noutput_items*d_itemsize);
+        }
+        n = noutput_items;
+      }
+
+      consume_each(noutput_items);
+      return n;
+    }
+
+  } /* namespace blocks */
+} /* namespace gr */