remove linux build warnings

ethminer/MinerAux.h

@@ -912,11 +912,17 @@ private:
 					h256 hh(v[0].asString());
 					h256 newSeedHash(v[1].asString());
 					if (current.seedHash != newSeedHash)
+					{
 						minelog << "Grabbing DAG for" << newSeedHash;
+					}
 					if (!(dag = EthashAux::full(newSeedHash, true, [&](unsigned _pc){ cout << "\rCreating DAG. " << _pc << "% done..." << flush; return 0; })))
+					{
 						BOOST_THROW_EXCEPTION(DAGCreationFailure());
+					}
 					if (m_precompute)
+					{
 						EthashAux::computeFull(sha3(newSeedHash), true);
+					}
 					if (hh != current.headerHash)
 					{
 						current.headerHash = hh;

libdevcore/Common.cpp

@@ -54,7 +54,9 @@ TimerHelper::~TimerHelper()
 {
 	auto e = std::chrono::high_resolution_clock::now() - m_t;
 	if (!m_ms || e > chrono::milliseconds(m_ms))
+	{
 		clog(TimerChannel) << m_id << chrono::duration_cast<chrono::milliseconds>(e).count() << "ms";
+	}
 }
 
 }

libdevcore/TransientDirectory.cpp

@@ -60,5 +60,7 @@ TransientDirectory::~TransientDirectory()
 	ec.clear();
 	fs::remove_all(m_path, ec);
 	if (!ec)
+	{
 		cwarn << "Failed to delete directory '" << m_path << "': " << ec.message();
+	}
 }

libethash-cl/ethash_cl_miner.cpp

@@ -379,7 +379,7 @@ bool ethash_cl_miner::init(
 			sprintf(options, "-cl-nv-maxrregcount=%d", maxregs);// , computeCapability);
 		}
 		else {
-			sprintf(options, "");
+			sprintf(options, "%s", "");
 		}
 
 		// create context
@@ -493,7 +493,6 @@ void ethash_cl_miner::search(uint8_t const* header, uint64_t target, search_hook
 		uint64_t start_nonce = uniform_int_distribution<uint64_t>()(engine);
 		for (;; start_nonce += m_globalWorkSize)
 		{
-			auto t = chrono::high_resolution_clock::now();
 			// supply output buffer to kernel
 			m_searchKernel.setArg(0, m_searchBuffer[buf]);
 			m_searchKernel.setArg(3, start_nonce);

libstratum/EthStratumClient.cpp

@@ -144,11 +144,11 @@ void EthStratumClient::resolve_handler(const boost::system::error_code& ec, tcp:
 void EthStratumClient::connect_handler(const boost::system::error_code& ec, tcp::resolver::iterator i)
 {
 	dev::setThreadName("stratum");
-
+	
 	if (!ec)
 	{
 		m_connected = true;
-		cnote << "Connected to stratum server " << p_active->host << ":" << p_active->port;
+		cnote << "Connected to stratum server " << i->host_name() << ":" << p_active->port;
 		if (!p_farm->isMining())
 		{
 			cnote << "Starting farm";
@@ -207,7 +207,7 @@ void EthStratumClient::readResponse(const boost::system::error_code& ec, std::si
 	m_pending = m_pending > 0 ? m_pending - 1 : 0;
 	x_pending.unlock();
 
-	if (!ec)
+	if (!ec && bytes_transferred)
 	{
 		std::istream is(&m_responseBuffer);
 		std::string response;
@@ -294,12 +294,13 @@ void EthStratumClient::processReponse(Json::Value& responseObject)
 				string sHeaderHash = params.get((Json::Value::ArrayIndex)1, "").asString();
 				string sSeedHash = params.get((Json::Value::ArrayIndex)2, "").asString();
 				string sShareTarget = params.get((Json::Value::ArrayIndex)3, "").asString();
-				bool cleanJobs = params.get((Json::Value::ArrayIndex)4, "").asBool();
+				//bool cleanJobs = params.get((Json::Value::ArrayIndex)4, "").asBool();
-
+				
-				if (sShareTarget.length() < 66)
+				// coinmine.pl fix
-					sShareTarget = "0x" + string(66 - sShareTarget.length(), '0') + sShareTarget.substr(2);
-
 				int l = sShareTarget.length();
+				if (l < 66)
+					sShareTarget = "0x" + string(66 - l, '0') + sShareTarget.substr(2);
+								
 
 				if (sHeaderHash != "" && sSeedHash != "" && sShareTarget != "")
 				{
@@ -314,11 +315,17 @@ void EthStratumClient::processReponse(Json::Value& responseObject)
 
 
 					if (seedHash != m_current.seedHash)
+					{
 						cnote << "Grabbing DAG for" << seedHash;
+					}
 					if (!(dag = EthashAux::full(seedHash, true, [&](unsigned _pc){ cout << "\rCreating DAG. " << _pc << "% done..." << flush; return 0; })))
+					{
 						BOOST_THROW_EXCEPTION(DAGCreationFailure());
+					}
 					if (m_precompute)
+					{
 						EthashAux::computeFull(sha3(seedHash), true);
+					}
 					if (headerHash != m_current.headerHash)
 					{
 						x_current.lock();