Fix overflow if more than two frames are queued

[SugarCubes.git] / OpenPixelControl.pde

diff --git a/OpenPixelControl.pde b/OpenPixelControl.pde
index 118eb2a56cf10a20b7e1cc3c229d3c77d435068e..830ba6c1b07a5812ab46b50c740dbc7491b2c8da 100644 (file)
--- a/OpenPixelControl.pde
+++ b/OpenPixelControl.pde
@@ -46,9 +46,10 @@ class OpenPixelControl extends SCPattern {
                 bufferedByteCount = client.readBytes(buffer);
             } else {
                 // Append to an earlier partial frame
-                byte[] additional = client.readBytes();
-                arrayCopy(additional, 0, buffer, bufferedByteCount, additional.length);
-                bufferedByteCount += additional.length;
+                byte[] additional = new byte[buffer.length - bufferedByteCount];
+                int additionalLength = client.readBytes(additional);
+                arrayCopy(additional, 0, buffer, bufferedByteCount, additionalLength);
+                bufferedByteCount += additionalLength;
             }
 
             // Extract OPC packets from buffer