From fe3be93a2e2a7fd92205a0355b0d442ffe59d477 Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Thu, 18 Feb 2021 22:56:20 +0000
Subject: [PATCH] Small UDP modem update.

---
 UDPController.cpp | 3 ++-
 Version.h         | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/UDPController.cpp b/UDPController.cpp
index c8f4b6f..827446f 100644
--- a/UDPController.cpp
+++ b/UDPController.cpp
@@ -77,7 +77,8 @@ int CUDPController::read(unsigned char* buffer, unsigned int length)
     if (avail < length)
         length = avail;
 
-    m_buffer.getData(buffer, length);
+    if (length > 0U)
+        m_buffer.getData(buffer, length);
 
     return int(length);
 }
diff --git a/Version.h b/Version.h
index f707967..e7385b0 100644
--- a/Version.h
+++ b/Version.h
@@ -19,6 +19,6 @@
 #if !defined(VERSION_H)
 #define	VERSION_H
 
-const char* VERSION = "20210217";
+const char* VERSION = "20210218";
 
 #endif