Enable a bunch of clang-tidy checks (#2149)

esphome/components/api/api_connection.cpp

@@ -132,7 +132,7 @@ void APIConnection::loop() {
 
   if (state_subs_at_ != -1) {
     const auto &subs = this->parent_->get_state_subs();
-    if (state_subs_at_ >= subs.size()) {
+    if (state_subs_at_ >= (int) subs.size()) {
       state_subs_at_ = -1;
     } else {
       auto &it = subs[state_subs_at_];

esphome/components/api/api_frame_helper.cpp

@@ -174,9 +174,6 @@ APIError APINoiseFrameHelper::loop() {
  * errno API_ERROR_HANDSHAKE_PACKET_LEN: Packet too big for this phase.
  */
 APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
-  int err;
-  APIError aerr;
-
   if (frame == nullptr) {
     HELPER_LOG("Bad argument for try_read_frame_");
     return APIError::BAD_ARG;
@@ -200,7 +197,7 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
       return APIError::CONNECTION_CLOSED;
     }
     rx_header_buf_len_ += received;
-    if (received != to_read) {
+    if ((size_t) received != to_read) {
       // not a full read
       return APIError::WOULD_BLOCK;
     }
@@ -247,7 +244,7 @@ APIError APINoiseFrameHelper::try_read_frame_(ParsedFrame *frame) {
       return APIError::CONNECTION_CLOSED;
     }
     rx_buf_len_ += received;
-    if (received != to_read) {
+    if ((size_t) received != to_read) {
       // not all read
       return APIError::WOULD_BLOCK;
     }
@@ -544,7 +541,6 @@ APIError APINoiseFrameHelper::try_send_tx_buf_() {
 APIError APINoiseFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
   if (iovcnt == 0)
     return APIError::OK;
-  int err;
   APIError aerr;
 
   size_t total_write_len = 0;
@@ -584,7 +580,7 @@ APIError APINoiseFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
     state_ = State::FAILED;
     HELPER_LOG("Socket write failed with errno %d", errno);
     return APIError::SOCKET_WRITE_FAILED;
-  } else if (sent != total_write_len) {
+  } else if ((size_t) sent != total_write_len) {
     // partially sent, add end to tx_buf
     size_t to_consume = sent;
     for (int i = 0; i < iovcnt; i++) {
@@ -778,9 +774,6 @@ APIError APIPlaintextFrameHelper::loop() {
  * error API_ERROR_BAD_INDICATOR: Bad indicator byte at start of frame.
  */
 APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
-  int err;
-  APIError aerr;
-
   if (frame == nullptr) {
     HELPER_LOG("Bad argument for try_read_frame_");
     return APIError::BAD_ARG;
@@ -854,7 +847,7 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
       return APIError::CONNECTION_CLOSED;
     }
     rx_buf_len_ += received;
-    if (received != to_read) {
+    if ((size_t) received != to_read) {
       // not all read
       return APIError::WOULD_BLOCK;
     }
@@ -874,7 +867,6 @@ APIError APIPlaintextFrameHelper::try_read_frame_(ParsedFrame *frame) {
 }
 
 APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
-  int err;
   APIError aerr;
 
   if (state_ != State::DATA) {
@@ -894,9 +886,6 @@ APIError APIPlaintextFrameHelper::read_packet(ReadPacketBuffer *buffer) {
 }
 bool APIPlaintextFrameHelper::can_write_without_blocking() { return state_ == State::DATA && tx_buf_.empty(); }
 APIError APIPlaintextFrameHelper::write_packet(uint16_t type, const uint8_t *payload, size_t payload_len) {
-  int err;
-  APIError aerr;
-
   if (state_ != State::DATA) {
     return APIError::BAD_STATE;
   }
@@ -940,7 +929,6 @@ APIError APIPlaintextFrameHelper::try_send_tx_buf_() {
 APIError APIPlaintextFrameHelper::write_raw_(const struct iovec *iov, int iovcnt) {
   if (iovcnt == 0)
     return APIError::OK;
-  int err;
   APIError aerr;
 
   size_t total_write_len = 0;
@@ -980,7 +968,7 @@ APIError APIPlaintextFrameHelper::write_raw_(const struct iovec *iov, int iovcnt
     state_ = State::FAILED;
     HELPER_LOG("Socket write failed with errno %d", errno);
     return APIError::SOCKET_WRITE_FAILED;
-  } else if (sent != total_write_len) {
+  } else if ((size_t) sent != total_write_len) {
     // partially sent, add end to tx_buf
     size_t to_consume = sent;
     for (int i = 0; i < iovcnt; i++) {

esphome/components/api/api_pb2.cpp

@@ -291,7 +291,7 @@ bool HelloRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value)
 void HelloRequest::encode(ProtoWriteBuffer buffer) const { buffer.encode_string(1, this->client_info); }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void HelloRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("HelloRequest {\n");
   out.append("  client_info: ");
   out.append("'").append(this->client_info).append("'");
@@ -330,7 +330,7 @@ void HelloResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void HelloResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("HelloResponse {\n");
   out.append("  api_version_major: ");
   sprintf(buffer, "%u", this->api_version_major);
@@ -361,7 +361,7 @@ bool ConnectRequest::decode_length(uint32_t field_id, ProtoLengthDelimited value
 void ConnectRequest::encode(ProtoWriteBuffer buffer) const { buffer.encode_string(1, this->password); }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ConnectRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ConnectRequest {\n");
   out.append("  password: ");
   out.append("'").append(this->password).append("'");
@@ -382,7 +382,7 @@ bool ConnectResponse::decode_varint(uint32_t field_id, ProtoVarInt value) {
 void ConnectResponse::encode(ProtoWriteBuffer buffer) const { buffer.encode_bool(1, this->invalid_password); }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ConnectResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ConnectResponse {\n");
   out.append("  invalid_password: ");
   out.append(YESNO(this->invalid_password));
@@ -476,7 +476,7 @@ void DeviceInfoResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void DeviceInfoResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("DeviceInfoResponse {\n");
   out.append("  uses_password: ");
   out.append(YESNO(this->uses_password));
@@ -600,7 +600,7 @@ void ListEntitiesBinarySensorResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesBinarySensorResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesBinarySensorResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -672,7 +672,7 @@ void BinarySensorStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void BinarySensorStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("BinarySensorStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -766,7 +766,7 @@ void ListEntitiesCoverResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesCoverResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesCoverResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -856,7 +856,7 @@ void CoverStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void CoverStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("CoverStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -939,7 +939,7 @@ void CoverCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void CoverCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("CoverCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -1055,7 +1055,7 @@ void ListEntitiesFanResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesFanResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesFanResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -1151,7 +1151,7 @@ void FanStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void FanStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("FanStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -1252,7 +1252,7 @@ void FanCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void FanCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("FanCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -1403,7 +1403,7 @@ void ListEntitiesLightResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesLightResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesLightResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -1561,7 +1561,7 @@ void LightStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void LightStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("LightStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -1784,7 +1784,7 @@ void LightCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void LightCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("LightCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -1995,7 +1995,7 @@ void ListEntitiesSensorResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSensorResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesSensorResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -2084,7 +2084,7 @@ void SensorStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SensorStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SensorStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -2164,7 +2164,7 @@ void ListEntitiesSwitchResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSwitchResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesSwitchResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -2227,7 +2227,7 @@ void SwitchStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SwitchStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SwitchStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -2266,7 +2266,7 @@ void SwitchCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SwitchCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SwitchCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -2336,7 +2336,7 @@ void ListEntitiesTextSensorResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesTextSensorResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesTextSensorResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -2406,7 +2406,7 @@ void TextSensorStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void TextSensorStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("TextSensorStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -2443,7 +2443,7 @@ void SubscribeLogsRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SubscribeLogsRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SubscribeLogsRequest {\n");
   out.append("  level: ");
   out.append(proto_enum_to_string<enums::LogLevel>(this->level));
@@ -2486,7 +2486,7 @@ void SubscribeLogsResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SubscribeLogsResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SubscribeLogsResponse {\n");
   out.append("  level: ");
   out.append(proto_enum_to_string<enums::LogLevel>(this->level));
@@ -2528,7 +2528,7 @@ void HomeassistantServiceMap::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void HomeassistantServiceMap::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("HomeassistantServiceMap {\n");
   out.append("  key: ");
   out.append("'").append(this->key).append("'");
@@ -2587,7 +2587,7 @@ void HomeassistantServiceResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void HomeassistantServiceResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("HomeassistantServiceResponse {\n");
   out.append("  service: ");
   out.append("'").append(this->service).append("'");
@@ -2643,7 +2643,7 @@ void SubscribeHomeAssistantStateResponse::encode(ProtoWriteBuffer buffer) const
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SubscribeHomeAssistantStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SubscribeHomeAssistantStateResponse {\n");
   out.append("  entity_id: ");
   out.append("'").append(this->entity_id).append("'");
@@ -2680,7 +2680,7 @@ void HomeAssistantStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void HomeAssistantStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("HomeAssistantStateResponse {\n");
   out.append("  entity_id: ");
   out.append("'").append(this->entity_id).append("'");
@@ -2713,7 +2713,7 @@ bool GetTimeResponse::decode_32bit(uint32_t field_id, Proto32Bit value) {
 void GetTimeResponse::encode(ProtoWriteBuffer buffer) const { buffer.encode_fixed32(1, this->epoch_seconds); }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void GetTimeResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("GetTimeResponse {\n");
   out.append("  epoch_seconds: ");
   sprintf(buffer, "%u", this->epoch_seconds);
@@ -2748,7 +2748,7 @@ void ListEntitiesServicesArgument::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesServicesArgument::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesServicesArgument {\n");
   out.append("  name: ");
   out.append("'").append(this->name).append("'");
@@ -2793,7 +2793,7 @@ void ListEntitiesServicesResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesServicesResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesServicesResponse {\n");
   out.append("  name: ");
   out.append("'").append(this->name).append("'");
@@ -2887,7 +2887,7 @@ void ExecuteServiceArgument::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ExecuteServiceArgument::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ExecuteServiceArgument {\n");
   out.append("  bool_: ");
   out.append(YESNO(this->bool_));
@@ -2968,7 +2968,7 @@ void ExecuteServiceRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ExecuteServiceRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ExecuteServiceRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -3040,7 +3040,7 @@ void ListEntitiesCameraResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesCameraResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesCameraResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -3110,7 +3110,7 @@ void CameraImageResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void CameraImageResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("CameraImageResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -3147,7 +3147,7 @@ void CameraImageRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void CameraImageRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("CameraImageRequest {\n");
   out.append("  single: ");
   out.append(YESNO(this->single));
@@ -3293,7 +3293,7 @@ void ListEntitiesClimateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesClimateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesClimateResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -3480,7 +3480,7 @@ void ClimateStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ClimateStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ClimateStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -3668,7 +3668,7 @@ void ClimateCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ClimateCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ClimateCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -3842,7 +3842,7 @@ void ListEntitiesNumberResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesNumberResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesNumberResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -3929,7 +3929,7 @@ void NumberStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void NumberStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("NumberStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -3967,7 +3967,7 @@ void NumberCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void NumberCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("NumberCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -4045,7 +4045,7 @@ void ListEntitiesSelectResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void ListEntitiesSelectResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("ListEntitiesSelectResponse {\n");
   out.append("  object_id: ");
   out.append("'").append(this->object_id).append("'");
@@ -4121,7 +4121,7 @@ void SelectStateResponse::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SelectStateResponse::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SelectStateResponse {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);
@@ -4164,7 +4164,7 @@ void SelectCommandRequest::encode(ProtoWriteBuffer buffer) const {
 }
 #ifdef HAS_PROTO_MESSAGE_DUMP
 void SelectCommandRequest::dump_to(std::string &out) const {
-  char buffer[64];
+  __attribute__((unused)) char buffer[64];
   out.append("SelectCommandRequest {\n");
   out.append("  key: ");
   sprintf(buffer, "%u", this->key);