Add modernize-redundant-void-arg to clang-tidy

.clang-tidy

@@ -1,6 +1,7 @@
 ---
 Checks: >
   bugprone-*,
+  modernize-redundant-void-arg,
   modernize-use-bool-literals,
   modernize-use-nullptr,
   performance-for-range-copy,

docs/style/coding/CODING_STYLE_GUIDE.adoc

@@ -154,7 +154,7 @@ leveraged through toolchain-compatibility preprocessor macros.
 CHIP strives to use the latest C++ functionality as long as existing compilers
 support such standards.
 
-C{plusplus}14 is considered pervasive enough to be used. As compilers start 
+C{plusplus}14 is considered pervasive enough to be used. As compilers start
 supporting standards such as C{plusplus}17, C{plusplus}20 and beyond,
 CHIP may follow suit.
 
@@ -354,7 +354,7 @@ static chipDEFINE_ALIGNED_VAR(sThreadAttributes, sizeof (pthread_attr_t), uint64
 
 #endif // USE_STRUCT_STORAGE
 
-int foobar(void)
+int foobar()
 {
     int              retval;
     int              status;
@@ -427,10 +427,10 @@ destructed after deinitialization.
 class ThreadAttributes
 {
 public:
-    ThreadAttributes(void) {};
-    ~ThreadAttributes(void) {};
+    ThreadAttributes() {};
+    ~ThreadAttributes() {};
 
-    operator pthread_attr_t *(void) { return &mAttributes; }
+    operator pthread_attr_t *() { return &mAttributes; }
 
 private:
     pthread_attr_t mAttributes;
@@ -444,7 +444,7 @@ extern void * foobar_entry(void *aArgument);
 
 static chipDEFINE_ALIGNED_VAR(sThreadAttributes, sizeof (ThreadAttributes), uint64_t);
 
-int foobar(void)
+int foobar()
 {
     int                retval = -1;
     int                status;
@@ -530,9 +530,9 @@ storage of objects from a static array of storage.
 class Foo
 {
 public:
-    Foo(void);
+    Foo();
     Foo(const Foo &inFoo);
-    ~Foo(void);
+    ~Foo();
 };
 
 // Global Variables
@@ -554,7 +554,7 @@ static void CreateFooAllocator(void *inStorage,
                               inDestroy);
 }
 
-static StaticAllocatorBitmap &GetFooAllocator(void)
+static StaticAllocatorBitmap &GetFooAllocator()
 {
     return *sFooAllocator;
 }
@@ -571,7 +571,7 @@ static void FooDestroy(AllocatorBase &inAllocator, void *inObject)
     return;
 }
 
-int Init(void)
+int Init()
 {
     static const size_t sFooCount = CHIP_FOO_COUNT;
     static chipAllocatorStaticBitmapStorageDefine(sFooStorage, Foo, sFooCount, uint32_t, sizeof (void *));
@@ -586,7 +586,7 @@ int Init(void)
     return retval;
 }
 
-Foo * FooAllocate(void)
+Foo * FooAllocate()
 {
     Foo *foo;
 

examples/all-clusters-app/all-clusters-common/src/bridged-actions-stub.cpp

@@ -96,7 +96,7 @@ CHIP_ERROR ActionsAttrAccess::Read(const ConcreteReadAttributePath & aPath, Attr
 }
 } // anonymous namespace
 
-void MatterActionsPluginServerInitCallback(void)
+void MatterActionsPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

examples/bridge-app/linux/bridged-actions-stub.cpp

@@ -131,7 +131,7 @@ CHIP_ERROR ActionsAttrAccess::Read(const ConcreteReadAttributePath & aPath, Attr
 }
 } // anonymous namespace
 
-void MatterActionsPluginServerInitCallback(void)
+void MatterActionsPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

examples/chip-tool/commands/common/Command.cpp

@@ -803,7 +803,7 @@ const char * Command::GetArgumentDescription(size_t index) const
     return nullptr;
 }
 
-const char * Command::GetAttribute(void) const
+const char * Command::GetAttribute() const
 {
     size_t argsCount = mArgs.size();
     for (size_t i = 0; i < argsCount; i++)
@@ -818,7 +818,7 @@ const char * Command::GetAttribute(void) const
     return nullptr;
 }
 
-const char * Command::GetEvent(void) const
+const char * Command::GetEvent() const
 {
     size_t argsCount = mArgs.size();
     for (size_t i = 0; i < argsCount; i++)

src/app/AttributePathExpandIterator.cpp

@@ -36,7 +36,7 @@ using namespace chip;
 // Note: Some of the generated files that depended by af.h are gen_config.h and gen_tokens.h
 typedef uint8_t EmberAfClusterMask;
 
-extern uint16_t emberAfEndpointCount(void);
+extern uint16_t emberAfEndpointCount();
 extern uint16_t emberAfIndexFromEndpoint(EndpointId endpoint);
 extern uint8_t emberAfClusterCount(EndpointId endpoint, bool server);
 extern uint16_t emberAfGetServerAttributeCount(chip::EndpointId endpoint, chip::ClusterId cluster);

src/app/EventManagement.cpp

@@ -58,7 +58,7 @@ class CircularEventReader : public TLV::TLVReader
     virtual ~CircularEventReader() = default;
 };
 
-EventManagement & EventManagement::GetInstance(void)
+EventManagement & EventManagement::GetInstance()
 {
     return sInstance;
 }

src/app/clusters/application-launcher-server/application-launcher-server.cpp

@@ -471,7 +471,7 @@ bool emberAfApplicationLauncherClusterHideAppCallback(app::CommandHandler * comm
 // -----------------------------------------------------------------------------
 // Plugin initialization
 
-void MatterApplicationLauncherPluginServerInitCallback(void)
+void MatterApplicationLauncherPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gApplicationLauncherAttrAccess);
 }

src/app/clusters/content-launch-server/content-launch-server.cpp

@@ -265,7 +265,7 @@ bool emberAfContentLauncherClusterLaunchURLCallback(CommandHandler * commandObj,
 // -----------------------------------------------------------------------------
 // Plugin initialization
 
-void MatterContentLauncherPluginServerInitCallback(void)
+void MatterContentLauncherPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gContentLauncherAttrAccess);
 }

src/app/clusters/descriptor/descriptor.cpp

@@ -184,7 +184,7 @@ CHIP_ERROR DescriptorAttrAccess::Read(const ConcreteReadAttributePath & aPath, A
 }
 } // anonymous namespace
 
-void MatterDescriptorPluginServerInitCallback(void)
+void MatterDescriptorPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/fixed-label-server/fixed-label-server.cpp

@@ -108,7 +108,7 @@ CHIP_ERROR FixedLabelAttrAccess::Read(const ConcreteReadAttributePath & aPath, A
 }
 } // anonymous namespace
 
-void MatterFixedLabelPluginServerInitCallback(void)
+void MatterFixedLabelPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/localization-configuration-server/localization-configuration-server.cpp

@@ -215,7 +215,7 @@ void emberAfLocalizationConfigurationClusterServerInitCallback(EndpointId endpoi
     }
 }
 
-void MatterLocalizationConfigurationPluginServerInitCallback(void)
+void MatterLocalizationConfigurationPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/mode-select-server/mode-select-server.cpp

@@ -215,7 +215,7 @@ inline bool areStartUpModeAndCurrentModeNonVolatile(EndpointId endpointId)
 
 } // namespace
 
-void MatterModeSelectPluginServerInitCallback(void)
+void MatterModeSelectPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gModeSelectAttrAccess);
 }

src/app/clusters/on-off-server/on-off-server.cpp

@@ -433,7 +433,7 @@ bool OnOffServer::OnWithRecallGlobalSceneCommand(app::CommandHandler * commandOb
     return true;
 }
 
-uint32_t OnOffServer::calculateNextWaitTimeMS(void)
+uint32_t OnOffServer::calculateNextWaitTimeMS()
 {
     const chip::System::Clock::Timestamp currentTime = chip::System::SystemClock().GetMonotonicTimestamp();
     chip::System::Clock::Timestamp waitTime          = UPDATE_TIME_MS;

src/app/clusters/operational-credentials-server/operational-credentials-server.cpp

@@ -395,7 +395,7 @@ class OpCredsFabricTableDelegate : public chip::FabricTable::Delegate
 
 OpCredsFabricTableDelegate gFabricDelegate;
 
-void MatterOperationalCredentialsPluginServerInitCallback(void)
+void MatterOperationalCredentialsPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 

src/app/clusters/ota-requestor/DefaultOTARequestorDriver.cpp

@@ -388,7 +388,7 @@ void DefaultOTARequestorDriver::StopPeriodicQueryTimer()
     CancelDelayedAction(PeriodicQueryTimerHandler, this);
 }
 
-void DefaultOTARequestorDriver::RekickPeriodicQueryTimer(void)
+void DefaultOTARequestorDriver::RekickPeriodicQueryTimer()
 {
     ChipLogProgress(SoftwareUpdate, "Rekicking the Periodic Query timer");
     StopPeriodicQueryTimer();

src/app/clusters/ota-requestor/ota-requestor-server.cpp

@@ -287,7 +287,7 @@ bool emberAfOtaSoftwareUpdateRequestorClusterAnnounceOtaProviderCallback(
 // -----------------------------------------------------------------------------
 // Plugin initialization
 
-void MatterOtaSoftwareUpdateRequestorPluginServerInitCallback(void)
+void MatterOtaSoftwareUpdateRequestorPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/power-source-configuration-server/power-source-configuration-server.cpp

@@ -98,7 +98,7 @@ CHIP_ERROR PowerSourceConfigurationAttrAccess::Read(const ConcreteReadAttributeP
 
 } // anonymous namespace
 
-void MatterPowerSourceConfigurationPluginServerInitCallback(void)
+void MatterPowerSourceConfigurationPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/power-source-server/power-source-server.cpp

@@ -64,7 +64,7 @@ CHIP_ERROR PowerSourceAttrAccess::Read(const ConcreteReadAttributePath & aPath,
 
 } // anonymous namespace
 
-void MatterPowerSourcePluginServerInitCallback(void)
+void MatterPowerSourcePluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/pump-configuration-and-control-server/pump-configuration-and-control-server.cpp

@@ -60,7 +60,7 @@ enum class RemoteSensorType : uint8_t
     kTemperatureSensor = 0x03,
 };
 
-static RemoteSensorType detectRemoteSensorConnected(void)
+static RemoteSensorType detectRemoteSensorConnected()
 {
     // TODO: Detect the sensor types attached to the pump control cluster
     // this could be pressure, flow or temperature sensors.
@@ -462,7 +462,7 @@ void MatterPumpConfigurationAndControlClusterServerAttributeChangedCallback(cons
     }
 }
 
-void MatterPumpConfigurationAndControlPluginServerInitCallback(void)
+void MatterPumpConfigurationAndControlPluginServerInitCallback()
 {
     emberAfDebugPrintln("Initialize PCC Plugin Server Cluster.");
 

src/app/clusters/scenes/scenes.cpp

@@ -147,7 +147,7 @@ EmberAfStatus emberAfScenesClusterMakeInvalidCallback(EndpointId endpoint)
                                 ZCL_BOOLEAN_ATTRIBUTE_TYPE);
 }
 
-void emAfPluginScenesServerPrintInfo(void)
+void emAfPluginScenesServerPrintInfo()
 {
     uint8_t i;
     EmberAfSceneTableEntry entry;

src/app/clusters/test-cluster-server/test-cluster-server.cpp

@@ -995,7 +995,7 @@ bool emberAfUnitTestingClusterTestSimpleOptionalArgumentRequestCallback(
 // -----------------------------------------------------------------------------
 // Plugin initialization
 
-void MatterUnitTestingPluginServerInitCallback(void)
+void MatterUnitTestingPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/thermostat-client/thermostat-client.cpp

@@ -23,7 +23,7 @@
 
 using namespace chip;
 
-void emberAfThermostatClusterClientInitCallback(void)
+void emberAfThermostatClusterClientInitCallback()
 {
     // TODO
 }

src/app/clusters/time-format-localization-server/time-format-localization-server.cpp

@@ -220,7 +220,7 @@ void emberAfTimeFormatLocalizationClusterServerInitCallback(EndpointId endpoint)
     }
 }
 
-void MatterTimeFormatLocalizationPluginServerInitCallback(void)
+void MatterTimeFormatLocalizationPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
 }

src/app/clusters/user-label-server/user-label-server.cpp

@@ -217,7 +217,7 @@ class UserLabelFabricTableDelegate : public chip::FabricTable::Delegate
 
 UserLabelFabricTableDelegate gUserLabelFabricDelegate;
 
-void MatterUserLabelPluginServerInitCallback(void)
+void MatterUserLabelPluginServerInitCallback()
 {
     registerAttributeAccessOverride(&gAttrAccess);
     Server::GetInstance().GetFabricTable().AddFabricDelegate(&gUserLabelFabricDelegate);

src/app/tests/integration/MockEvents.cpp

@@ -44,9 +44,9 @@ size_t EventGenerator::GetNumStates()
     return mNumStates;
 }
 
-LivenessEventGenerator::LivenessEventGenerator(void) : EventGenerator(10, 0) {}
+LivenessEventGenerator::LivenessEventGenerator() : EventGenerator(10, 0) {}
 
-void LivenessEventGenerator::Generate(void)
+void LivenessEventGenerator::Generate()
 {
     // Scenario: monitoring liveness for two devices -- self and remote.  Remote device goes offline and returns.
     switch (mState)
@@ -131,13 +131,13 @@ chip::EventNumber LivenessEventGenerator::LogLiveness(chip::NodeId aNodeId, chip
     return number;
 }
 
-MockEventGenerator * MockEventGenerator::GetInstance(void)
+MockEventGenerator * MockEventGenerator::GetInstance()
 {
     static MockEventGeneratorImpl gMockEventGenerator;
     return &gMockEventGenerator;
 }
 
-MockEventGeneratorImpl::MockEventGeneratorImpl(void) :
+MockEventGeneratorImpl::MockEventGeneratorImpl() :
     mpExchangeMgr(nullptr), mTimeBetweenEvents(0), mEventWraparound(false), mpEventGenerator(nullptr), mEventsLeft(0)
 {}
 

src/app/tests/integration/common.cpp

@@ -44,7 +44,7 @@ chip::TestPersistentStorageDelegate gStorage;
 chip::PersistentStorageOperationalKeystore gOperationalKeystore;
 chip::Credentials::PersistentStorageOpCertStore gOpCertStore;
 
-void InitializeChip(void)
+void InitializeChip()
 {
     CHIP_ERROR err = CHIP_NO_ERROR;
     chip::FabricTable::InitParams fabricTableInitParams;
@@ -84,7 +84,7 @@ void InitializeChip(void)
     }
 }
 
-void ShutdownChip(void)
+void ShutdownChip()
 {
     gMessageCounterManager.Shutdown();
     gExchangeManager.Shutdown();

src/app/util/af-event.cpp

@@ -37,7 +37,7 @@ struct EmberEventData
     /** The control structure for the event. */
     EmberEventControl * control;
     /** The procedure to call when the event fires. */
-    void (*handler)(void);
+    void (*handler)();
 };
 
 // *****************************************************************************