Fix FPGA programmer

1 files changed, 17 insertions, 7 deletions

diff --git a/servers/auth_server_lin/src/auth_conn.cpp b/servers/auth_server_lin/src/auth_conn.cpp
index c9a377f..e073e12 100644
--- a/servers/auth_server_lin/src/auth_conn.cpp
+++ b/servers/auth_server_lin/src/auth_conn.cpp
@@ -275,19 +275,29 @@ int AuthSocket::servLoop() {
 				break;
 			case 4:
 				if (m_servClientSocket->state() == TQSocket::Connected) {
-					TQ_ULONG reclen;
+					TQ_LONG reclen;
 
 					if (canReadData()) {
 						reclen = readBlock(m_loopBuffer.data(), m_loopBuffer.size());
-						m_servClientSocket->writeBlock(m_loopBuffer.data(), reclen);
-						m_servClientSocket->flush();
-						transferred_data = true;
+						if (reclen > 0) {
+							m_servClientSocket->writeBlock(m_loopBuffer.data(), reclen);
+							m_servClientSocket->flush();
+							transferred_data = true;
+						}
+						else {
+							printf("[WARNING] Remote server advertised data available but no data was able to be read!\n\r");
+						}
 					}
 					if (m_servClientSocket->canReadData()) {
 						reclen = m_servClientSocket->readBlock(m_loopBuffer.data(), m_loopBuffer.size());
-						writeBlock(m_loopBuffer.data(), reclen);
-						flush();
-						transferred_data = true;
+						if (reclen > 0) {
+							writeBlock(m_loopBuffer.data(), reclen);
+							flush();
+							transferred_data = true;
+						}
+						else {
+							printf("[WARNING] Remote client advertised data available but no data was able to be read!\n\r");
+						}
 					}
 				}
 				else {