!6692 Fix some safe warnings in debugger

Merge pull request !6692 from maning202007/checknull

mindspore/ccsrc/debug/debugger/debugger.cc

@@ -309,7 +309,7 @@ void Debugger::PostDebugOp() {
   }
 }
 
-std::map<std::pair<uint32_t, uint32_t>, std::string> &Debugger::GetStreamTaskToOpnameMap() {
+std::map<std::pair<uint32_t, uint32_t>, std::string> Debugger::GetStreamTaskToOpnameMap() const {
   return stream_task_to_opname_;
 }
 
@@ -754,7 +754,8 @@ uint64_t BytestoInt64(const std::vector<char> &buffer) {
   uint64_t ret;
 
   ret = ((uint64_t)buffer[7] << 56) | ((uint64_t)buffer[6] << 48) | ((uint64_t)buffer[5] << 40) |
-        ((uint64_t)buffer[4] << 32) | (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
+        ((uint64_t)buffer[4] << 32) | ((uint64_t)buffer[3] << 24) | ((uint64_t)buffer[2] << 16) |
+        ((uint64_t)buffer[1] << 8) | ((uint64_t)buffer[0]);
 
   return ret;
 }

mindspore/ccsrc/debug/debugger/debugger.h

@@ -94,7 +94,7 @@ class Debugger : public std::enable_shared_from_this<Debugger> {
 
   int32_t step_num() const;
 
-  std::map<std::pair<uint32_t, uint32_t>, std::string> &GetStreamTaskToOpnameMap();
+  std::map<std::pair<uint32_t, uint32_t>, std::string> GetStreamTaskToOpnameMap() const;
 
   // check if any feature that uses the debugger backend is enabled
   bool DebuggerBackendEnabled();

mindspore/ccsrc/debug/debugger/grpc_client.cc

@@ -79,9 +79,9 @@ std::vector<std::string> ChunkString(std::string str, int graph_size) {
     }
     std::string buffer;
     buffer.resize(chunk_size);
-    errno_t err = memcpy_s(reinterpret_cast<char *>(buffer.data()), chunk_size, str.data() + size_iter, chunk_size);
+    auto err = memcpy_s(reinterpret_cast<char *>(buffer.data()), chunk_size, str.data() + size_iter, chunk_size);
     if (err != 0) {
-      MS_LOG(ERROR) << "memcpy_s failed. err code is: " << err;
+      MS_LOG(EXCEPTION) << "memcpy_s failed. errorno is: " << err;
     }
     buf.push_back(buffer);
     size_iter += CHUNK_SIZE;

mindspore/ccsrc/runtime/device/ascend/dump/data_dumper.cc

@@ -115,7 +115,7 @@ void DataDumper::LoadDumpInfo() {
   auto debugger = mindspore::Debugger::GetInstance();
   MS_EXCEPTION_IF_NULL(debugger);
   if (debugger->DebuggerBackendEnabled()) {
-    std::map<std::pair<uint32_t, uint32_t>, std::string> &stream_task_to_opname = debugger->GetStreamTaskToOpnameMap();
+    std::map<std::pair<uint32_t, uint32_t>, std::string> stream_task_to_opname = debugger->GetStreamTaskToOpnameMap();
     // extract stream id, task id and opname from runtime_info_map for overflow detection
     std::transform(runtime_info_map_.begin(), runtime_info_map_.end(),
                    std::inserter(stream_task_to_opname, stream_task_to_opname.end()),