[ci] more cpp lints (#2985)

* fix

* Apply suggestions from code review
Co-authored-by: StrikerRUS <nekit94-12@hotmail.com>

include/LightGBM/utils/common.h

@@ -313,6 +313,7 @@ inline static unsigned CountDecimalDigit32(uint32_t n) {
     1000000000
   };
 #ifdef _MSC_VER
+  // NOLINTNEXTLINE
   unsigned long i = 0;
   _BitScanReverse(&i, n | 1);
   uint32_t t = (i + 1) * 1233 >> 12;

src/io/dataset.cpp

@@ -434,7 +434,7 @@ void Dataset::FinishLoad() {
 void PushDataToMultiValBin(
     data_size_t num_data, const std::vector<uint32_t> most_freq_bins,
     const std::vector<uint32_t> offsets,
-    std::vector<std::vector<std::unique_ptr<BinIterator>>>& iters,
+    std::vector<std::vector<std::unique_ptr<BinIterator>>>* iters,
     MultiValBin* ret) {
   Common::FunctionTimer fun_time("Dataset::PushDataToMultiValBin",
                                  global_timer);
@@ -444,12 +444,12 @@ void PushDataToMultiValBin(
           std::vector<uint32_t> cur_data;
           cur_data.reserve(most_freq_bins.size());
           for (size_t j = 0; j < most_freq_bins.size(); ++j) {
-            iters[tid][j]->Reset(start);
+            (*iters)[tid][j]->Reset(start);
           }
           for (data_size_t i = start; i < end; ++i) {
             cur_data.clear();
             for (size_t j = 0; j < most_freq_bins.size(); ++j) {
-              auto cur_bin = iters[tid][j]->Get(i);
+              auto cur_bin = (*iters)[tid][j]->Get(i);
               if (cur_bin == most_freq_bins[j]) {
                 continue;
               }
@@ -467,11 +467,11 @@ void PushDataToMultiValBin(
         0, num_data, 1024, [&](int tid, data_size_t start, data_size_t end) {
           std::vector<uint32_t> cur_data(most_freq_bins.size(), 0);
           for (size_t j = 0; j < most_freq_bins.size(); ++j) {
-            iters[tid][j]->Reset(start);
+            (*iters)[tid][j]->Reset(start);
           }
           for (data_size_t i = start; i < end; ++i) {
             for (size_t j = 0; j < most_freq_bins.size(); ++j) {
-              auto cur_bin = iters[tid][j]->Get(i);
+              auto cur_bin = (*iters)[tid][j]->Get(i);
               if (cur_bin == most_freq_bins[j]) {
                 cur_bin = 0;
               } else {
@@ -528,7 +528,7 @@ MultiValBin* Dataset::GetMultiBinFromSparseFeatures() const {
   std::unique_ptr<MultiValBin> ret;
   ret.reset(MultiValBin::CreateMultiValBin(num_data_, offsets.back(),
                                            num_feature, sum_sparse_rate));
-  PushDataToMultiValBin(num_data_, most_freq_bins, offsets, iters, ret.get());
+  PushDataToMultiValBin(num_data_, most_freq_bins, offsets, &iters, ret.get());
   ret->FinishLoad();
   return ret.release();
 }
@@ -581,7 +581,7 @@ MultiValBin* Dataset::GetMultiBinFromAllFeatures() const {
   ret.reset(MultiValBin::CreateMultiValBin(
       num_data_, num_total_bin, static_cast<int>(most_freq_bins.size()),
       1.0 - sum_dense_ratio));
-  PushDataToMultiValBin(num_data_, most_freq_bins, offsets, iters, ret.get());
+  PushDataToMultiValBin(num_data_, most_freq_bins, offsets, &iters, ret.get());
   ret->FinishLoad();
   return ret.release();
 }

src/io/tree.cpp

@@ -57,7 +57,7 @@ int Tree::Split(int leaf, int feature, int real_feature, uint32_t threshold_bin,
   decision_type_[new_node_idx] = 0;
   SetDecisionType(&decision_type_[new_node_idx], false, kCategoricalMask);
   SetDecisionType(&decision_type_[new_node_idx], default_left, kDefaultLeftMask);
-  SetMissingType(&decision_type_[new_node_idx], missing_type);
+  SetMissingType(&decision_type_[new_node_idx], static_cast<int8_t>(missing_type));
   threshold_in_bin_[new_node_idx] = threshold_bin;
   threshold_[new_node_idx] = threshold_double;
   ++num_leaves_;
@@ -71,7 +71,7 @@ int Tree::SplitCategorical(int leaf, int feature, int real_feature, const uint32
   int new_node_idx = num_leaves_ - 1;
   decision_type_[new_node_idx] = 0;
   SetDecisionType(&decision_type_[new_node_idx], true, kCategoricalMask);
-  SetMissingType(&decision_type_[new_node_idx], missing_type);
+  SetMissingType(&decision_type_[new_node_idx], static_cast<int8_t>(missing_type));
   threshold_in_bin_[new_node_idx] = num_cat_;
   threshold_[new_node_idx] = num_cat_;
   ++num_cat_;

src/network/socket_wrapper.hpp

@@ -218,6 +218,7 @@ class TcpSocket {
         continue;
       }
       if (ifa->ifa_addr->sa_family == AF_INET) {
+        // NOLINTNEXTLINE
         tmpAddrPtr = &((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
         char addressBuffer[INET_ADDRSTRLEN];
         inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);