Merge pull request #2096 from mmarkeloff/v1.x

Unhandled errors

include/spdlog/details/udp_client-windows.h

@@ -64,7 +64,11 @@ public:
         addr_.sin_family = PF_INET;
         addr_.sin_port = htons(port);
         addr_.sin_addr.s_addr = INADDR_ANY;
-        InetPton(PF_INET, TEXT(host.c_str()), &addr_.sin_addr.s_addr);
+        if (InetPton(PF_INET, TEXT(host.c_str()), &addr_.sin_addr.s_addr) != 1) {
+            int last_error = ::WSAGetLastError();
+            ::WSACleanup();
+            throw_winsock_error_("error: Invalid address!", last_error);
+        }
 
         socket_ = ::socket(PF_INET, SOCK_DGRAM, 0);
         if (socket_ == INVALID_SOCKET)

include/spdlog/details/udp_client.h

@@ -58,7 +58,11 @@ public:
 
         sockAddr_.sin_family = AF_INET;
         sockAddr_.sin_port = htons(port);
-        ::inet_aton(host.c_str(), &sockAddr_.sin_addr);
+        
+        if (::inet_aton(host.c_str(), &sockAddr_.sin_addr) == 0) {
+            cleanup_();
+            throw_spdlog_ex("error: Invalid address!");
+        }
 
         ::memset(sockAddr_.sin_zero, 0x00, sizeof(sockAddr_.sin_zero));
     }