From 2c9260d075371f084718808ad977f31eaef65a77 Mon Sep 17 00:00:00 2001
From: Jon Beniston <jon@beniston.com>
Date: Fri, 7 May 2021 22:06:51 +0100
Subject: [PATCH] Fix gcc warnings

---
 plugins/channelrx/demodais/aisdemodsink.cpp | 2 --
 sdrbase/dsp/gaussian.h                      | 2 +-
 sdrbase/util/ais.cpp                        | 4 ++--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/plugins/channelrx/demodais/aisdemodsink.cpp b/plugins/channelrx/demodais/aisdemodsink.cpp
index 7aa129511..bf6f75ee3 100644
--- a/plugins/channelrx/demodais/aisdemodsink.cpp
+++ b/plugins/channelrx/demodais/aisdemodsink.cpp
@@ -144,8 +144,6 @@ void AISDemodSink::processOneSample(Complex &ci)
     bool scopeCRCInvalid = false;
     Real dcOffset = 0.0f;
     bool thresholdMet = false;
-    Real peakFreq = 0.0f;
-    Real freqOffset = 0.0f;
     if (m_rxBufCnt >= m_rxBufLength)
     {
         Real trainingSum = 0.0f;
diff --git a/sdrbase/dsp/gaussian.h b/sdrbase/dsp/gaussian.h
index 1240a18e2..6765fdd08 100644
--- a/sdrbase/dsp/gaussian.h
+++ b/sdrbase/dsp/gaussian.h
@@ -115,7 +115,7 @@ public:
 private:
     std::vector<Real> m_taps;
     std::vector<Type> m_samples;
-    int m_ptr;
+    unsigned int m_ptr;
 };
 
 #endif // INCLUDE_GAUSSIAN_H
diff --git a/sdrbase/util/ais.cpp b/sdrbase/util/ais.cpp
index 52ca7d0b7..12920509a 100644
--- a/sdrbase/util/ais.cpp
+++ b/sdrbase/util/ais.cpp
@@ -118,7 +118,7 @@ QString AISMessage::typeToString(quint8 type)
         return "N/A";
     } else if ((type >= 100) && (type < 199)) {
         return "Preserved for regional use";
-    } else if ((type >= 200) && (type <= 255)) {
+    } else if (type >= 200) {
         return "Preserved for future use";
     } else if ((type >= 50) && (type <= 59)) {
         const QStringList specialCrafts = {
@@ -267,7 +267,7 @@ QString AISMessage::getString(const QByteArray ba, int byteIdx, int bitsLeft, in
 AISPositionReport::AISPositionReport(QByteArray ba) :
     AISMessage(ba)
 {
-    m_status = ((ba[4] & 0x3) << 2) | (ba[5] >> 6) & 0x3;
+    m_status = ((ba[4] & 0x3) << 2) | ((ba[5] >> 6) & 0x3);
 
     int rateOfTurn = ((ba[5] << 2) & 0xfc) | ((ba[6] >> 6) & 0x3);
     if (rateOfTurn == 127) {