Removing warnings in portaudio source/sink.

[debian/gnuradio] / gr-audio-portaudio / src / audio_portaudio_sink.cc

diff --git a/gr-audio-portaudio/src/audio_portaudio_sink.cc b/gr-audio-portaudio/src/audio_portaudio_sink.cc
index 65a38f9119011f4dc96bd66bc1a6a71e7bb08023..64e64ccf4536a3fdcb8b649ba0557234b41dd9e9 100644 (file)
--- a/gr-audio-portaudio/src/audio_portaudio_sink.cc
+++ b/gr-audio-portaudio/src/audio_portaudio_sink.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2006 Free Software Foundation, Inc.
+ * Copyright 2006,2010 Free Software Foundation, Inc.
  * 
  * This file is part of GNU Radio
  * 
@@ -102,7 +102,10 @@ portaudio_sink_callback (const void *inputBuffer,
 
   else {                       // underrun
     self->d_nunderuns++;
-    ::write(2, "aU", 2);       // FIXME change to non-blocking call
+    ssize_t r = ::write(2, "aU", 2);   // FIXME change to non-blocking call
+    if(r == -1) {
+      perror("audio_portaudio_source::portaudio_source_callback write error to stderr.");
+    }
 
     // FIXME we should transfer what we've got and pad the rest
     memset(outputBuffer, 0, nreqd_samples * sizeof(sample_t));
@@ -120,7 +123,7 @@ portaudio_sink_callback (const void *inputBuffer,
 audio_portaudio_sink_sptr
 audio_portaudio_make_sink (int sampling_rate, const std::string dev, bool ok_to_block)
 {
-  return audio_portaudio_sink_sptr (new audio_portaudio_sink (sampling_rate,
+  return gnuradio::get_initial_sptr(new audio_portaudio_sink (sampling_rate,
                                                              dev, ok_to_block));
 }