1 files changed, 16 insertions, 11 deletions
diff --git a/core/src/fxcrt/extension.h b/core/src/fxcrt/extension.h
index 0fdf8ab7bf..9960c03349 100644
--- a/core/src/fxcrt/extension.h
+++ b/core/src/fxcrt/extension.h
@@ -30,40 +30,43 @@ class IFXCRT_FileAccess {
   virtual FX_BOOL Truncate(FX_FILESIZE szFile) = 0;
 };
 IFXCRT_FileAccess* FXCRT_FileAccess_Create();
+
 class CFX_CRTFileAccess : public IFX_FileAccess {
  public:
   CFX_CRTFileAccess() : m_RefCount(0) {}
 
-  virtual void Release() {
+  // IFX_FileAccess
+  void Release() override {
     if (--m_RefCount == 0)
       delete this;
   }
 
-  IFX_FileAccess* Retain() {
+  IFX_FileAccess* Retain() override {
     m_RefCount++;
     return (IFX_FileAccess*)this;
   }
 
-  virtual FX_BOOL Init(const CFX_WideStringC& wsPath) {
+  void GetPath(CFX_WideString& wsPath) override { wsPath = m_path; }
+
+  IFX_FileStream* CreateFileStream(FX_DWORD dwModes) override {
+    return FX_CreateFileStream(m_path, dwModes);
+  }
+
+  FX_BOOL Init(const CFX_WideStringC& wsPath) {
     m_path = wsPath;
     m_RefCount = 1;
     return TRUE;
   }
 
-  virtual void GetPath(CFX_WideString& wsPath) { wsPath = m_path; }
-
-  virtual IFX_FileStream* CreateFileStream(FX_DWORD dwModes) {
-    return FX_CreateFileStream(m_path, dwModes);
-  }
-
  protected:
   CFX_WideString m_path;
   FX_DWORD m_RefCount;
 };
+
 class CFX_CRTFileStream final : public IFX_FileStream {
  public:
   CFX_CRTFileStream(IFXCRT_FileAccess* pFA) : m_pFile(pFA), m_dwCount(1) {}
-  ~CFX_CRTFileStream() {
+  ~CFX_CRTFileStream() override {
     if (m_pFile) {
       m_pFile->Release();
     }
@@ -100,6 +103,7 @@ class CFX_CRTFileStream final : public IFX_FileStream {
   IFXCRT_FileAccess* m_pFile;
   FX_DWORD m_dwCount;
 };
+
 #define FX_MEMSTREAM_BlockSize (64 * 1024)
 #define FX_MEMSTREAM_Consecutive 0x01
 #define FX_MEMSTREAM_TakeOver 0x02
@@ -124,7 +128,7 @@ class CFX_MemoryStream final : public IFX_MemoryStream {
     m_dwFlags =
         FX_MEMSTREAM_Consecutive | (bTakeOver ? FX_MEMSTREAM_TakeOver : 0);
   }
-  ~CFX_MemoryStream() {
+  ~CFX_MemoryStream() override {
     if (m_dwFlags & FX_MEMSTREAM_TakeOver) {
       for (int32_t i = 0; i < m_Blocks.GetSize(); i++) {
         FX_Free((uint8_t*)m_Blocks[i]);
@@ -317,6 +321,7 @@ class CFX_MemoryStream final : public IFX_MemoryStream {
     return TRUE;
   }
 };
+
 #ifdef __cplusplus
 extern "C" {
 #endif