By using a smart pointer (std::shared_ptr<T>) we can eliminate all headache concerning memory leaks.

Author: aentinger

src/Arduino_10BASE_T1S_UDP.cpp

@@ -186,11 +186,7 @@ void Arduino_10BASE_T1S_UDP::flush()
 {
   /* Drop packet from receive buffer. */
   if (_rx_pkt_list.size())
-  {
-    auto const rx_pkt = _rx_pkt_list.front();
     _rx_pkt_list.pop_front();
-    delete rx_pkt;
-  }
 }
 
 IPAddress Arduino_10BASE_T1S_UDP::remoteIP()
@@ -220,7 +216,7 @@ void Arduino_10BASE_T1S_UDP::onUdpRawRecv(struct udp_pcb *pcb, struct pbuf *p, c
   auto const remote_port = port;
 
   /* Create UDP object. */
-  auto const rx_pkt = new UdpRxPacket(
+  auto const rx_pkt = std::make_shared<UdpRxPacket>(
     remote_ip,
     remote_port,
     (uint8_t *)p->payload,

src/Arduino_10BASE_T1S_UDP.h

@@ -17,6 +17,7 @@
 #include <list>
 #include <deque>
 #include <vector>
+#include <memory>
 
 #include <api/Udp.h>
 #include <api/IPAddress.h>
@@ -98,6 +99,8 @@ class Arduino_10BASE_T1S_UDP : public UDP
       std::copy(p_data, p_data + data_len, std::back_inserter(_rx_data));
     }
 
+    typedef std::shared_ptr<UdpRxPacket> SharedPtr;
+
     IPAddress remoteIP() const { return _remote_ip; }
     uint16_t remotePort() const { return _remote_port; }
     size_t totalSize() const { return _rx_data_len; }
@@ -135,5 +138,5 @@ class Arduino_10BASE_T1S_UDP : public UDP
       return _rx_data.front();
     }
   };
-  std::list<UdpRxPacket *> _rx_pkt_list;
+  std::list<UdpRxPacket::SharedPtr> _rx_pkt_list;
 };