[3932] Ignored remove return status

src/bin/dhcp6/tests/config_parser_unittest.cc

@@ -115,8 +115,8 @@ public:
         resetConfiguration();
 
         // ... and delete the hooks library marker files if present
-        remove(LOAD_MARKER_FILE);
-        remove(UNLOAD_MARKER_FILE);
+        static_cast<void>(remove(LOAD_MARKER_FILE));
+        static_cast<void>(remove(UNLOAD_MARKER_FILE));
     };
 
     // Checks if config_result (result of DHCP server configuration) has

src/bin/dhcp6/tests/ctrl_dhcp6_srv_unittest.cc

@@ -247,7 +247,7 @@ public:
     };
 
     void createUnixChannelServer() {
-        ::remove(socket_path_.c_str());
+        static_cast<void>(::remove(socket_path_.c_str()));
 
         // Just a simple config. The important part here is the socket
         // location information.
@@ -292,7 +292,7 @@ public:
     /// @brief Reset
     void reset() {
         CtrlDhcpv6SrvTest::reset();
-        ::remove(socket_path_.c_str());
+        static_cast<void>(::remove(socket_path_.c_str()));
     }
 
     /// @brief Conducts a command/response exchange via UnixCommandSocket

src/bin/dhcp6/tests/dhcp6_test_utils.cc

@@ -834,7 +834,7 @@ Dhcpv6SrvTest::configure(const std::string& config, NakedDhcpv6Srv& srv) {
 NakedDhcpv6SrvTest::NakedDhcpv6SrvTest()
 : rcode_(-1) {
     // it's ok if that fails. There should not be such a file anyway
-    remove(DUID_FILE);
+    static_cast<void>(remove(DUID_FILE));
 
     const isc::dhcp::IfaceMgr::IfaceCollection& ifaces =
         isc::dhcp::IfaceMgr::instance().getIfaces();
@@ -856,7 +856,7 @@ NakedDhcpv6SrvTest::~NakedDhcpv6SrvTest() {
     isc::stats::StatsMgr::instance().removeAll();
 
     // Let's clean up if there is such a file.
-    remove(DUID_FILE);
+    static_cast<void>(remove(DUID_FILE));
     isc::hooks::HooksManager::preCalloutsLibraryHandle()
         .deregisterAllCallouts("buffer6_receive");
     isc::hooks::HooksManager::preCalloutsLibraryHandle()