Make classes final if they're not meant to be derived from

Author: smessmer

src/CopyDevice.h

@@ -11,10 +11,10 @@ namespace copyfs {
 
 namespace bf = boost::filesystem;
 
-class CopyDevice: public fspp::Device {
+class CopyDevice final: public fspp::Device {
 public:
   explicit CopyDevice(const bf::path &rootdir);
-  virtual ~CopyDevice();
+  ~CopyDevice();
 
   void statfs(const boost::filesystem::path &path, struct ::statvfs *fsstat) override;
 

src/CopyDir.h

@@ -8,10 +8,10 @@
 
 namespace copyfs {
 
-class CopyDir: public fspp::Dir, CopyNode {
+class CopyDir final: public fspp::Dir, CopyNode {
 public:
   CopyDir(CopyDevice *device, const bf::path &path);
-  virtual ~CopyDir();
+  ~CopyDir();
 
   //TODO return type variance to CopyFile/CopyDir?
   cpputils::unique_ref<fspp::OpenFile> createAndOpenFile(const std::string &name, mode_t mode, uid_t uid, gid_t gid) override;

src/CopyFile.h

@@ -7,10 +7,10 @@
 
 namespace copyfs {
 
-class CopyFile: public fspp::File, CopyNode {
+class CopyFile final: public fspp::File, CopyNode {
 public:
   CopyFile(CopyDevice *device, const boost::filesystem::path &path);
-  virtual ~CopyFile();
+  ~CopyFile();
 
   cpputils::unique_ref<fspp::OpenFile> open(int flags) const override;
   void truncate(off_t size) const override;

src/CopyOpenFile.h

@@ -8,10 +8,10 @@
 namespace copyfs {
 class CopyDevice;
 
-class CopyOpenFile: public fspp::OpenFile {
+class CopyOpenFile final: public fspp::OpenFile {
 public:
   CopyOpenFile(const CopyDevice *device, const boost::filesystem::path &path, int flags);
-  virtual ~CopyOpenFile();
+  ~CopyOpenFile();
 
   void stat(struct ::stat *result) const override;
   void truncate(off_t size) const override;

src/CopySymlink.h

@@ -7,10 +7,10 @@
 
 namespace copyfs {
 
-class CopySymlink: public fspp::Symlink, CopyNode {
+class CopySymlink final: public fspp::Symlink, CopyNode {
 public:
   CopySymlink(CopyDevice *device, const bf::path &path);
-  virtual ~CopySymlink();
+  ~CopySymlink();
 
   boost::filesystem::path target() const override;
   void remove() override;