Fix -Wextra warnings.

include/PacketLibDefinition.h

@@ -82,6 +82,15 @@ typedef unsigned int dword;
 #define CONFIG_MAXNUMBER_OFCONFIGILES 20000
 #define CONFIG_MAXNUMBEROFLINES_OFCONFIGILES 100000
 
+/// utility function to ignore unused function parameters.
+#ifdef HAS_MOVE_SEMANTICS
+template <typename T>
+void UNUSED(T &&)
+{ }
+#else
+#define UNUSED(expr) do { (void)(expr); } while (0)
+#endif
+
 /// typedef bool boolean;
 
 using namespace std;

include/SharedPtr.h

@@ -32,7 +32,7 @@ class SharedPtr
 	SharedPtr() : p(0), c(0) {}
 	explicit SharedPtr(T* s) : p(s), c(new unsigned(1)) {}
 
-	SharedPtr(void* null) : p(0), c(0) {}
+	SharedPtr(void*) : p(0), c(0) {}
 
 	SharedPtr(const SharedPtr& s) : p(s.p), c(s.c) { if(c) ++*c; }
 

src/ByteStream.cpp

@@ -164,6 +164,8 @@ ByteStreamPtr PacketLib::ByteStream::compress(enum CompressionAlgorithms algorit
 ByteStreamPtr PacketLib::ByteStream::decompress(enum CompressionAlgorithms algorithmType, byte compressionLevel, dword dmax) {
 	ByteStreamPtr b;
 
+	UNUSED(compressionLevel);
+
 	switch(algorithmType)
 	{
 		case NONE:

src/OutputSerial.cpp

@@ -79,6 +79,7 @@ bool OutputSerial::writeByteStream(ByteStreamPtr b) throw(PacketExceptionIO*)
 
 bool OutputSerial::writeString(const char* str) throw(PacketExceptionIO*)
 {
+	UNUSED(str);
     /*   if(!isclosed)
            file->writeString(str);
        else

src/OutputSocketClient.cpp

@@ -72,5 +72,7 @@ bool OutputSocketClient::writeByteStream(ByteStreamPtr b) throw(PacketExceptionI
 
 bool OutputSocketClient::writeString(const char* str) throw(PacketExceptionIO*)
 {
+	UNUSED(str);
+
     throw new PacketExceptionIO("Method not implemented");
 }

src/Packet.cpp

@@ -582,6 +582,8 @@ void Packet::generateStream()
 
 bool Packet::setPacketValueVerify(ByteStreamPtr prefix, ByteStreamPtr packetHeader, ByteStreamPtr packetDataField)
 {
+	UNUSED(prefix);
+
     /// 1) Checking
     /// First check: pointers control
     if(packetHeader == NULL || packetDataField == NULL)

src/PacketNotRecognized.cpp

@@ -30,6 +30,9 @@ void PacketNotRecognized::createPacketType(pugi::xml_node node, int plPhysicalIn
 
 bool PacketNotRecognized::createPacketType(char* fileName, bool prefix, word dimprefix) throw (PacketException*)
 {
+	UNUSED(prefix);
+	UNUSED(dimprefix);
+
 	packetID = 0;
     if(header->loadHeader(fileName))
     {
@@ -60,6 +63,8 @@ PacketNotRecognized::~PacketNotRecognized()
 
 bool PacketNotRecognized::setPacketValue(ByteStreamPtr prefix, ByteStreamPtr packetHeader, ByteStreamPtr packetDataField, int decodeType)
 {
+	UNUSED(decodeType);
+
     /// It reads and sets the packet header 
     if(!header->setByteStream(packetHeader))
         return false;

src/SDFBlock.cpp

@@ -75,9 +75,9 @@ void SDFBlockType::loadType(pugi::xml_node node, const pugi::xml_document& doc,
 	std::cout << "fixed part: " << variablePresent;
 	std::cout << " variable part: " << variablePresent << std::endl;
 #endif
-	numberOfRBlocks = rbNodeSet.size();
-	if(numberOfRBlocks > 65535)
+	if(rbNodeSet.size() > 65535)
 		throw new PacketExceptionFileFormat("Too many number of Rblocks in the packet type.");
+	numberOfRBlocks = rbNodeSet.size();
 	rblockFilename = new char*[numberOfRBlocks];
 	rBlockVariable = new bool[numberOfRBlocks];
 	maxNumberOfBlock = new word[numberOfRBlocks];
@@ -97,9 +97,9 @@ void SDFBlockType::loadType(pugi::xml_node node, const pugi::xml_document& doc,
 			rBlockVariable[i] = false;
 
 		const char* nblocks = rbNode.attribute("maxnumberofblocks").value();
-		maxNumberOfBlock[i] = atoi(nblocks);
-		if(maxNumberOfBlock[i] > 65535)
+		if(atoi(nblocks) > 65535)
 			throw new PacketExceptionFileFormat("Too many number of blocks in the packet type.");
+		maxNumberOfBlock[i] = atoi(nblocks);
 
 		if(!idref)
 		{