1 files changed, 82 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..f489b03c0c
--- /dev/null
+++ b/gr-blocks/lib/copy_impl.cc
@@ -0,0 +1,82 @@
+/* -*- 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()
+    {
+    }
+
+    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 = std::min<int>(ninput_items[0], noutput_items);
+      int j = 0;
+
+      if(d_enabled) {
+        memcpy(out, in, n*d_itemsize);
+        j = n;
+      }
+
+      consume_each(n);
+      return j;
+    }
+
+  } /* namespace blocks */
+} /* namespace gr */