src: remove unnecessary c_str() conversions in diagnostic messages

Author: addaleax

src/blob_serializer_deserializer-inl.h

@@ -105,7 +105,7 @@ template <typename T>
 std::vector<T> BlobDeserializer<Impl>::ReadVector() {
   if (is_debug) {
     std::string name = GetName<T>();
-    Debug("\nReadVector<%s>()(%d-byte)\n", name.c_str(), sizeof(T));
+    Debug("\nReadVector<%s>()(%d-byte)\n", name, sizeof(T));
   }
   size_t count = static_cast<size_t>(ReadArithmetic<size_t>());
   if (count == 0) {
@@ -123,7 +123,7 @@ std::vector<T> BlobDeserializer<Impl>::ReadVector() {
   if (is_debug) {
     std::string str = std::is_arithmetic_v<T> ? "" : ToStr(result);
     std::string name = GetName<T>();
-    Debug("ReadVector<%s>() read %s\n", name.c_str(), str.c_str());
+    Debug("ReadVector<%s>() read %s\n", name, str);
   }
   return result;
 }
@@ -163,7 +163,7 @@ void BlobDeserializer<Impl>::ReadArithmetic(T* out, size_t count) {
   DCHECK_GT(count, 0);  // Should not read contents for vectors of size 0.
   if (is_debug) {
     std::string name = GetName<T>();
-    Debug("Read<%s>()(%d-byte), count=%d: ", name.c_str(), sizeof(T), count);
+    Debug("Read<%s>()(%d-byte), count=%d: ", name, sizeof(T), count);
   }
 
   size_t size = sizeof(T) * count;
@@ -172,7 +172,7 @@ void BlobDeserializer<Impl>::ReadArithmetic(T* out, size_t count) {
   if (is_debug) {
     std::string str =
         "{ " + std::to_string(out[0]) + (count > 1 ? ", ... }" : " }");
-    Debug("%s, read %zu bytes\n", str.c_str(), size);
+    Debug("%s, read %zu bytes\n", str, size);
   }
   read_total += size;
 }
@@ -240,10 +240,10 @@ size_t BlobSerializer<Impl>::WriteVector(const std::vector<T>& data) {
     std::string name = GetName<T>();
     Debug("\nAt 0x%x: WriteVector<%s>() (%d-byte), count=%d: %s\n",
           sink.size(),
-          name.c_str(),
+          name,
           sizeof(T),
           data.size(),
-          str.c_str());
+          str);
   }
 
   size_t written_total = WriteArithmetic<size_t>(data.size());
@@ -259,7 +259,7 @@ size_t BlobSerializer<Impl>::WriteVector(const std::vector<T>& data) {
 
   if (is_debug) {
     std::string name = GetName<T>();
-    Debug("WriteVector<%s>() wrote %d bytes\n", name.c_str(), written_total);
+    Debug("WriteVector<%s>() wrote %d bytes\n", name, written_total);
   }
 
   return written_total;
@@ -319,10 +319,10 @@ size_t BlobSerializer<Impl>::WriteArithmetic(const T* data, size_t count) {
     std::string name = GetName<T>();
     Debug("At 0x%x: Write<%s>() (%zu-byte), count=%zu: %s",
           sink.size(),
-          name.c_str(),
+          name,
           sizeof(T),
           count,
-          str.c_str());
+          str);
   }
 
   size_t size = sizeof(T) * count;

src/compile_cache.cc

@@ -265,8 +265,8 @@ CompileCacheEntry* CompileCacheHandler::GetOrInsert(Local<String> code,
     if (!relative_path.empty()) {
       file_path = relative_path;
       Debug("[compile cache] using relative path %s from %s\n",
-            file_path.c_str(),
-            compile_cache_dir_.c_str());
+            file_path,
+            compile_cache_dir_);
     }
   }
   uint32_t key = GetCacheKey(file_path, type);

src/env.cc

@@ -2200,7 +2200,7 @@ size_t Environment::NearHeapLimitCallback(void* data,
     env->RemoveHeapSnapshotNearHeapLimitCallback(0);
   }
 
-  FPrintF(stderr, "Wrote snapshot to %s\n", filename.c_str());
+  FPrintF(stderr, "Wrote snapshot to %s\n", filename);
   // Tell V8 to reset the heap limit once the heap usage falls down to
   // 95% of the initial limit.
   env->isolate()->AutomaticallyRestoreInitialHeapLimit(0.95);

src/inspector_profiler.cc

@@ -66,7 +66,7 @@ uint64_t V8ProfilerConnection::DispatchMessage(const char* method,
   Debug(env(),
         DebugCategory::INSPECTOR_PROFILER,
         "Dispatching message %s\n",
-        message.c_str());
+        message);
   session_->Dispatch(StringView(message_data, message.length()));
   return id;
 }

src/large_pages/node_large_page.cc

@@ -122,7 +122,7 @@ template <typename... Args>
 inline void Debug(std::string fmt, Args&&... args) {
   node::Debug(&per_process::enabled_debug_list,
               DebugCategory::HUGEPAGES,
-              (std::string("Hugepages info: ") + fmt).c_str(),
+              std::string("Hugepages info: ") + fmt,
               std::forward<Args>(args)...);
 }
 

src/node_builtins.cc

@@ -559,7 +559,7 @@ bool BuiltinLoader::CompileAllBuiltinsAndCopyCodeCache(
     if (bootstrapCatch.HasCaught()) {
       per_process::Debug(DebugCategory::CODE_CACHE,
                          "Failed to compile code cache for %s\n",
-                         id.data());
+                         id);
       all_succeeded = false;
       PrintCaughtException(Isolate::GetCurrent(), context, bootstrapCatch);
     } else {

src/node_config_file.cc

@@ -49,7 +49,7 @@ ParseResult ConfigReader::ProcessOptionValue(
     case options_parser::OptionType::kBoolean: {
       bool result;
       if (option_value->get_bool().get(result)) {
-        FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+        FPrintF(stderr, "Invalid value for %s\n", option_name);
         return ParseResult::InvalidContent;
       }
 
@@ -75,13 +75,13 @@ ParseResult ConfigReader::ProcessOptionValue(
           std::vector<std::string> result;
           simdjson::ondemand::array raw_imports;
           if (option_value->get_array().get(raw_imports)) {
-            FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+            FPrintF(stderr, "Invalid value for %s\n", option_name);
             return ParseResult::InvalidContent;
           }
           for (auto raw_import : raw_imports) {
             std::string_view import;
             if (raw_import.get_string(import)) {
-              FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+              FPrintF(stderr, "Invalid value for %s\n", option_name);
               return ParseResult::InvalidContent;
             }
             output->push_back(option_name + "=" + std::string(import));
@@ -91,22 +91,22 @@ ParseResult ConfigReader::ProcessOptionValue(
         case simdjson::ondemand::json_type::string: {
           std::string result;
           if (option_value->get_string(result)) {
-            FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+            FPrintF(stderr, "Invalid value for %s\n", option_name);
             return ParseResult::InvalidContent;
           }
           output->push_back(option_name + "=" + result);
           break;
         }
         default:
-          FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+          FPrintF(stderr, "Invalid value for %s\n", option_name);
           return ParseResult::InvalidContent;
       }
       break;
     }
     case options_parser::OptionType::kString: {
       std::string result;
       if (option_value->get_string(result)) {
-        FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+        FPrintF(stderr, "Invalid value for %s\n", option_name);
         return ParseResult::InvalidContent;
       }
       output->push_back(option_name + "=" + result);
@@ -115,7 +115,7 @@ ParseResult ConfigReader::ProcessOptionValue(
     case options_parser::OptionType::kInteger: {
       int64_t result;
       if (option_value->get_int64().get(result)) {
-        FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+        FPrintF(stderr, "Invalid value for %s\n", option_name);
         return ParseResult::InvalidContent;
       }
       output->push_back(option_name + "=" + std::to_string(result));
@@ -125,7 +125,7 @@ ParseResult ConfigReader::ProcessOptionValue(
     case options_parser::OptionType::kUInteger: {
       uint64_t result;
       if (option_value->get_uint64().get(result)) {
-        FPrintF(stderr, "Invalid value for %s\n", option_name.c_str());
+        FPrintF(stderr, "Invalid value for %s\n", option_name);
         return ParseResult::InvalidContent;
       }
       output->push_back(option_name + "=" + std::to_string(result));
@@ -134,13 +134,13 @@ ParseResult ConfigReader::ProcessOptionValue(
     case options_parser::OptionType::kNoOp: {
       FPrintF(stderr,
               "No-op flag %s is currently not supported\n",
-              option_name.c_str());
+              option_name);
       return ParseResult::InvalidContent;
     }
     case options_parser::OptionType::kV8Option: {
       FPrintF(stderr,
               "V8 flag %s is currently not supported\n",
-              option_name.c_str());
+              option_name);
       return ParseResult::InvalidContent;
     }
     default:
@@ -190,7 +190,7 @@ ParseResult ConfigReader::ParseOptions(
       // If the option has already been set, return an error
       if (unique_options->contains(option->first)) {
         FPrintF(
-            stderr, "Option %s is already defined\n", option->first.c_str());
+            stderr, "Option %s is already defined\n", option->first);
         return ParseResult::InvalidContent;
       }
       // Add the option to the unique set to prevent duplicates
@@ -206,7 +206,7 @@ ParseResult ConfigReader::ParseOptions(
       FPrintF(stderr,
               "Unknown or not allowed option %s for namespace %s\n",
               option_key,
-              namespace_name.c_str());
+              namespace_name);
       return ParseResult::InvalidContent;
     }
   }
@@ -303,7 +303,7 @@ ParseResult ConfigReader::ParseConfig(const std::string_view& config_path) {
     if (field_error) {
       FPrintF(stderr,
               "\"%s\" value unexpected for %s (should be an object)\n",
-              namespace_name.c_str(),
+              namespace_name,
               config_path.data());
       return ParseResult::InvalidContent;
     }

src/node_errors.cc

@@ -159,7 +159,7 @@ static std::string GetErrorSource(Isolate* isolate,
   std::string buf = SPrintF("%s:%i\n%s\n",
                             filename_string,
                             linenum,
-                            sourceline.c_str());
+                            sourceline);
   CHECK_GT(buf.size(), 0);
   *added_exception_line = true;
 

src/node_sea.cc

@@ -639,7 +639,7 @@ int BuildAssets(const std::unordered_map<std::string, std::string>& config,
     int r = ReadFileSync(&blob, path.c_str());
     if (r != 0) {
       const char* err = uv_strerror(r);
-      FPrintF(stderr, "Cannot read asset %s: %s\n", path.c_str(), err);
+      FPrintF(stderr, "Cannot read asset %s: %s\n", path, err);
       return r;
     }
     assets->emplace(key, std::move(blob));