1 files changed, 94 insertions, 0 deletions
diff --git a/gr-blocks/lib/file_descriptor_sink_impl.cc b/gr-blocks/lib/file_descriptor_sink_impl.cc
new file mode 100644
index 0000000000..a1f26220d2
--- /dev/null
+++ b/gr-blocks/lib/file_descriptor_sink_impl.cc
@@ -0,0 +1,94 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2010,2013 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 "file_descriptor_sink_impl.h"
+#include <gr_io_signature.h>
+#include <cstdio>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdexcept>
+#include <stdio.h>
+
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
+namespace gr {
+  namespace blocks {
+
+    file_descriptor_sink::sptr
+    file_descriptor_sink::make(size_t itemsize, int fd)
+    {
+      return gnuradio::get_initial_sptr
+        (new file_descriptor_sink_impl(itemsize, fd));
+    }
+
+    file_descriptor_sink_impl::file_descriptor_sink_impl(size_t itemsize, int fd)
+  : gr_sync_block("file_descriptor_sink",
+                  gr_make_io_signature(1, 1, itemsize),
+                  gr_make_io_signature(0, 0, 0)),
+    d_itemsize(itemsize), d_fd(fd)
+    {
+    }
+
+    file_descriptor_sink_impl::~file_descriptor_sink_impl()
+    {
+      close(d_fd);
+    }
+
+    int
+    file_descriptor_sink_impl::work(int noutput_items,
+                                    gr_vector_const_void_star &input_items,
+                                    gr_vector_void_star &output_items)
+    {
+      char *inbuf = (char*)input_items[0];
+      unsigned long byte_size = noutput_items * d_itemsize;
+
+      while(byte_size > 0) {
+        ssize_t r;
+
+        r = write(d_fd, inbuf, byte_size);
+        if(r == -1) {
+         if(errno == EINTR)
+           continue;
+         else {
+           perror("file_descriptor_sink");
+           return -1;    // indicate we're done
+         }
+        }
+        else {
+          byte_size -= r;
+          inbuf += r;
+        }
+      }
+
+      return noutput_items;
+    }
+
+  } /* namespace blocks */
+} /* namespace gr */