From e30272bc4c71b31b2d7413a3015eb20d3b6c4100 Mon Sep 17 00:00:00 2001
From: yyuuttaaoo <yyuuttaaoo@gmail.com>
Date: Sat, 30 Dec 2023 01:00:21 +0000
Subject: [PATCH] fix: memory leak in ProcessorParseDelimiterNative

Memeber mDelimiterModeFsmParserPtr is a raw pointer. It is not released
in destructor. This patch fixed it by using a smart pointer instead.
---
 core/processor/ProcessorParseDelimiterNative.cpp | 2 +-
 core/processor/ProcessorParseDelimiterNative.h   | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/processor/ProcessorParseDelimiterNative.cpp b/core/processor/ProcessorParseDelimiterNative.cpp
index 5893ea6184..e0b26740be 100644
--- a/core/processor/ProcessorParseDelimiterNative.cpp
+++ b/core/processor/ProcessorParseDelimiterNative.cpp
@@ -58,7 +58,7 @@ bool ProcessorParseDelimiterNative::Init(const ComponentConfig& componentConfig)
         }
     }
 
-    mDelimiterModeFsmParserPtr = new DelimiterModeFsmParser(mQuote, mSeparatorChar);
+    mDelimiterModeFsmParserPtr.reset(new DelimiterModeFsmParser(mQuote, mSeparatorChar));
     mParseFailures = &(GetContext().GetProcessProfile().parseFailures);
     mLogGroupSize = &(GetContext().GetProcessProfile().logGroupSize);
 
diff --git a/core/processor/ProcessorParseDelimiterNative.h b/core/processor/ProcessorParseDelimiterNative.h
index f218b6cc33..5606d0f81b 100644
--- a/core/processor/ProcessorParseDelimiterNative.h
+++ b/core/processor/ProcessorParseDelimiterNative.h
@@ -15,6 +15,7 @@
  */
 
 #include "plugin/interface/Processor.h"
+#include <memory>
 #include <string>
 #include <boost/regex.hpp>
 #include "parser/DelimiterModeFsmParser.h"
@@ -49,7 +50,7 @@ class ProcessorParseDelimiterNative : public Processor {
     bool mRawLogTagOverwritten = false;
     char mQuote;
     char mSeparatorChar;
-    DelimiterModeFsmParser* mDelimiterModeFsmParserPtr;
+    std::unique_ptr<DelimiterModeFsmParser> mDelimiterModeFsmParserPtr;
 
     int* mLogGroupSize = nullptr;
     int* mParseFailures = nullptr;