Merge pull request #1 from 2Park/c17-compile-errors

Fix compile errors with clang 5.0 with CXX17

Author: vthiery

src/StatsdClient.hpp

@@ -176,12 +176,12 @@ send(const std::string& key, const int value, const std::string& type, const flo
     if (isFrequencyOne(frequency))
     {
         // Sampling rate is 1.0f, no need to specify it
-        snprintf(buffer, sizeof(buffer), "%s%s:%zd|%s", m_prefix.c_str(), key.c_str(), static_cast<signed size_t>(value), type.c_str());
+        snprintf(buffer, sizeof(buffer), "%s%s:%zd|%s", m_prefix.c_str(), key.c_str(), static_cast<int64_t>(value), type.c_str());
     }
     else
     {
         // Sampling rate is different from 1.0f, hence specify it
-        snprintf(buffer, sizeof(buffer), "%s%s:%zd|%s|@%.2f", m_prefix.c_str(), key.c_str(), static_cast<signed size_t>(value), type.c_str(), frequency);
+        snprintf(buffer, sizeof(buffer), "%s%s:%zd|%s|@%.2f", m_prefix.c_str(), key.c_str(), static_cast<int64_t>(value), type.c_str(), frequency);
     }
 
     // Send the message via the UDP sender

src/UDPSender.hpp

@@ -143,7 +143,7 @@ UDPSender(
         m_batchsize = batchsize.value();
 
         // Define the batching thread
-        m_batchingThread = std::thread([this] {
+        m_batchingThread = std::thread([this, batchingWait] {
             while (!m_mustExit)
             {
                 std::deque<std::string> stagedMessageQueue;