From 3e9e7dd334304dae243707e524f3364b874f2dd5 Mon Sep 17 00:00:00 2001
From: robiwan <robiwan@0f58301d-fd10-0410-b4af-bbb618454e57>
Date: Tue, 19 Jun 2012 20:08:03 +0000
Subject: [PATCH] Forgot error check after Pa_OpenStream. Naughty.

---
 examples/paex_sine_c++.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/examples/paex_sine_c++.cpp b/examples/paex_sine_c++.cpp
index cc436b3..5b96aee 100644
--- a/examples/paex_sine_c++.cpp
+++ b/examples/paex_sine_c++.cpp
@@ -94,6 +94,12 @@ public:
             this            /* Using 'this' for userData so we can cast to Sine* in paCallback method */
             );
 
+        if (err != paNoError)
+        {
+            /* Failed to open stream to device !!! */
+            return false;
+        }
+
         err = Pa_SetStreamFinishedCallback( stream, &Sine::paStreamFinished );
 
         if (err != paNoError)
@@ -121,6 +127,9 @@ public:
 
     bool start()
     {
+        if (stream == 0)
+            return false;
+
         PaError err = Pa_StartStream( stream );
 
         return (err == paNoError);
@@ -128,6 +137,9 @@ public:
 
     bool stop()
     {
+        if (stream == 0)
+            return false;
+
         PaError err = Pa_StopStream( stream );
 
         return (err == paNoError);
-- 
2.43.0