filters: Add missing overrides

9 files changed, 57 insertions, 57 deletions

diff --git a/src/lib/filters/basefilt.h b/src/lib/filters/basefilt.h
index f87ac66e7..36c5201a1 100644
--- a/src/lib/filters/basefilt.h
+++ b/src/lib/filters/basefilt.h
@@ -19,9 +19,9 @@ namespace Botan {
 */
 struct BOTAN_DLL BitBucket : public Filter
    {
-   void write(const byte[], size_t) {}
+   void write(const byte[], size_t) override {}
 
-   std::string name() const { return "BitBucket"; }
+   std::string name() const override { return "BitBucket"; }
    };
 
 /**
@@ -33,9 +33,9 @@ struct BOTAN_DLL BitBucket : public Filter
 class BOTAN_DLL Chain : public Fanout_Filter
    {
    public:
-      void write(const byte input[], size_t length) { send(input, length); }
+      void write(const byte input[], size_t length) override { send(input, length); }
 
-      std::string name() const;
+      std::string name() const override;
 
       /**
       * Construct a chain of up to four filters. The filters are set
@@ -60,10 +60,10 @@ class BOTAN_DLL Chain : public Fanout_Filter
 class BOTAN_DLL Fork : public Fanout_Filter
    {
    public:
-      void write(const byte input[], size_t length) { send(input, length); }
+      void write(const byte input[], size_t length) override { send(input, length); }
       void set_port(size_t n) { Fanout_Filter::set_port(n); }
 
-      std::string name() const;
+      std::string name() const override;
 
       /**
       * Construct a Fork filter with up to four forks.
@@ -86,7 +86,7 @@ class BOTAN_DLL Fork : public Fanout_Filter
 class BOTAN_DLL Threaded_Fork : public Fork
    {
    public:
-      std::string name() const;
+      std::string name() const override;
 
       /**
       * Construct a Threaded_Fork filter with up to four forks.
@@ -104,7 +104,7 @@ class BOTAN_DLL Threaded_Fork : public Fork
 
    protected:
       void set_next(Filter* f[], size_t n);
-      void send(const byte in[], size_t length);
+      void send(const byte in[], size_t length) override;
 
    private:
       void thread_delegate_work(const byte input[], size_t length);
diff --git a/src/lib/filters/codec_filt/b64_filt.h b/src/lib/filters/codec_filt/b64_filt.h
index b73cca3b2..8ab428076 100644
--- a/src/lib/filters/codec_filt/b64_filt.h
+++ b/src/lib/filters/codec_filt/b64_filt.h
@@ -18,19 +18,19 @@ namespace Botan {
 class BOTAN_DLL Base64_Encoder : public Filter
    {
    public:
-      std::string name() const { return "Base64_Encoder"; }
+      std::string name() const override { return "Base64_Encoder"; }
 
       /**
       * Input a part of a message to the encoder.
       * @param input the message to input as a byte array
       * @param length the length of the byte array input
       */
-      void write(const byte input[], size_t length);
+      void write(const byte input[], size_t length) override;
 
       /**
       * Inform the Encoder that the current message shall be closed.
       */
-      void end_msg();
+      void end_msg() override;
 
       /**
       * Create a base64 encoder.
@@ -57,19 +57,19 @@ class BOTAN_DLL Base64_Encoder : public Filter
 class BOTAN_DLL Base64_Decoder : public Filter
    {
    public:
-      std::string name() const { return "Base64_Decoder"; }
+      std::string name() const override { return "Base64_Decoder"; }
 
       /**
       * Input a part of a message to the decoder.
       * @param input the message to input as a byte array
       * @param length the length of the byte array input
       */
-      void write(const byte input[], size_t length);
+      void write(const byte input[], size_t length) override;
 
       /**
       * Finish up the current message
       */
-      void end_msg();
+      void end_msg() override;
 
       /**
       * Create a base64 decoder.
diff --git a/src/lib/filters/codec_filt/hex_filt.h b/src/lib/filters/codec_filt/hex_filt.h
index 008fd6799..6130e729c 100644
--- a/src/lib/filters/codec_filt/hex_filt.h
+++ b/src/lib/filters/codec_filt/hex_filt.h
@@ -24,10 +24,10 @@ class BOTAN_DLL Hex_Encoder : public Filter
       */
       enum Case { Uppercase, Lowercase };
 
-      std::string name() const { return "Hex_Encoder"; }
+      std::string name() const override { return "Hex_Encoder"; }
 
-      void write(const byte in[], size_t length);
-      void end_msg();
+      void write(const byte in[], size_t length) override;
+      void end_msg() override;
 
       /**
       * Create a hex encoder.
@@ -59,10 +59,10 @@ class BOTAN_DLL Hex_Encoder : public Filter
 class BOTAN_DLL Hex_Decoder : public Filter
    {
    public:
-      std::string name() const { return "Hex_Decoder"; }
+      std::string name() const override { return "Hex_Decoder"; }
 
-      void write(const byte[], size_t);
-      void end_msg();
+      void write(const byte[], size_t) override;
+      void end_msg() override;
 
       /**
       * Construct a Hex Decoder using the specified
diff --git a/src/lib/filters/data_snk.h b/src/lib/filters/data_snk.h
index 8c5826285..15e2de6ef 100644
--- a/src/lib/filters/data_snk.h
+++ b/src/lib/filters/data_snk.h
@@ -19,7 +19,7 @@ namespace Botan {
 class BOTAN_DLL DataSink : public Filter
    {
    public:
-      bool attachable() { return false; }
+      bool attachable() override { return false; }
       DataSink() {}
       virtual ~DataSink() {}
 
@@ -33,9 +33,9 @@ class BOTAN_DLL DataSink : public Filter
 class BOTAN_DLL DataSink_Stream : public DataSink
    {
    public:
-      std::string name() const { return identifier; }
+      std::string name() const override { return identifier; }
 
-      void write(const byte[], size_t);
+      void write(const byte[], size_t) override;
 
       /**
       * Construct a DataSink_Stream from a stream.
diff --git a/src/lib/filters/data_src.h b/src/lib/filters/data_src.h
index e6b7b9573..8f6593879 100644
--- a/src/lib/filters/data_src.h
+++ b/src/lib/filters/data_src.h
@@ -97,9 +97,9 @@ class BOTAN_DLL DataSource
 class BOTAN_DLL DataSource_Memory : public DataSource
    {
    public:
-      size_t read(byte[], size_t);
-      size_t peek(byte[], size_t, size_t) const;
-      bool end_of_data() const;
+      size_t read(byte[], size_t) override;
+      size_t peek(byte[], size_t, size_t) const override;
+      bool end_of_data() const override;
 
       /**
       * Construct a memory source that reads from a string
@@ -129,7 +129,7 @@ class BOTAN_DLL DataSource_Memory : public DataSource
       DataSource_Memory(const std::vector<byte>& in) :
          source(in.begin(), in.end()), offset(0) {}
 
-      virtual size_t get_bytes_read() const { return offset; }
+      size_t get_bytes_read() const override { return offset; }
    private:
       secure_vector<byte> source;
       size_t offset;
@@ -141,10 +141,10 @@ class BOTAN_DLL DataSource_Memory : public DataSource
 class BOTAN_DLL DataSource_Stream : public DataSource
    {
    public:
-      size_t read(byte[], size_t);
-      size_t peek(byte[], size_t, size_t) const;
-      bool end_of_data() const;
-      std::string id() const;
+      size_t read(byte[], size_t) override;
+      size_t peek(byte[], size_t, size_t) const override;
+      bool end_of_data() const override;
+      std::string id() const override;
 
       DataSource_Stream(std::istream&,
                         const std::string& id = "<std::istream>");
@@ -162,7 +162,7 @@ class BOTAN_DLL DataSource_Stream : public DataSource
 
       ~DataSource_Stream();
 
-      virtual size_t get_bytes_read() const { return total_read; }
+      size_t get_bytes_read() const override { return total_read; }
    private:
       const std::string identifier;
 
diff --git a/src/lib/filters/filters.h b/src/lib/filters/filters.h
index 1a9597de3..7a527dde0 100644
--- a/src/lib/filters/filters.h
+++ b/src/lib/filters/filters.h
@@ -34,23 +34,23 @@ class BOTAN_DLL StreamCipher_Filter : public Keyed_Filter
    {
    public:
 
-      std::string name() const { return m_cipher->name(); }
+      std::string name() const override { return m_cipher->name(); }
 
       /**
       * Write input data
       * @param input data
       * @param input_len length of input in bytes
       */
-      void write(const byte input[], size_t input_len);
+      void write(const byte input[], size_t input_len) override;
 
-      bool valid_iv_length(size_t iv_len) const
+      bool valid_iv_length(size_t iv_len) const override
          { return m_cipher->valid_iv_length(iv_len); }
 
       /**
       * Set the initialization vector for this filter.
       * @param iv the initialization vector to set
       */
-      void set_iv(const InitializationVector& iv)
+      void set_iv(const InitializationVector& iv) override
          {
          m_cipher->set_iv(iv.begin(), iv.length());
          }
@@ -59,7 +59,7 @@ class BOTAN_DLL StreamCipher_Filter : public Keyed_Filter
       * Set the key of this filter.
       * @param key the key to set
       */
-      void set_key(const SymmetricKey& key) { m_cipher->set_key(key); }
+      void set_key(const SymmetricKey& key) override { m_cipher->set_key(key); }
 
       Key_Length_Specification key_spec() const override { return m_cipher->key_spec(); }
 
@@ -99,10 +99,10 @@ class BOTAN_DLL StreamCipher_Filter : public Keyed_Filter
 class BOTAN_DLL Hash_Filter : public Filter
    {
    public:
-      void write(const byte input[], size_t len) { m_hash->update(input, len); }
-      void end_msg();
+      void write(const byte input[], size_t len) override { m_hash->update(input, len); }
+      void end_msg() override;
 
-      std::string name() const { return m_hash->name(); }
+      std::string name() const override { return m_hash->name(); }
 
       /**
       * Construct a hash filter.
@@ -136,16 +136,16 @@ class BOTAN_DLL Hash_Filter : public Filter
 class BOTAN_DLL MAC_Filter : public Keyed_Filter
    {
    public:
-      void write(const byte input[], size_t len) { m_mac->update(input, len); }
-      void end_msg();
+      void write(const byte input[], size_t len) override { m_mac->update(input, len); }
+      void end_msg() override;
 
-      std::string name() const { return m_mac->name(); }
+      std::string name() const override { return m_mac->name(); }
 
       /**
       * Set the key of this filter.
       * @param key the key to set
       */
-      void set_key(const SymmetricKey& key) { m_mac->set_key(key); }
+      void set_key(const SymmetricKey& key) override { m_mac->set_key(key); }
 
       Key_Length_Specification key_spec() const override { return m_mac->key_spec(); }
 
diff --git a/src/lib/filters/pipe.cpp b/src/lib/filters/pipe.cpp
index b3bbe501f..15ace9ffc 100644
--- a/src/lib/filters/pipe.cpp
+++ b/src/lib/filters/pipe.cpp
@@ -20,10 +20,10 @@ namespace {
 class Null_Filter : public Filter
    {
    public:
-      void write(const byte input[], size_t length)
+      void write(const byte input[], size_t length) override
          { send(input, length); }
 
-      std::string name() const { return "Null"; }
+      std::string name() const override { return "Null"; }
    };
 
 }
diff --git a/src/lib/filters/pipe.h b/src/lib/filters/pipe.h
index b8d8c707c..fac8a1ba3 100644
--- a/src/lib/filters/pipe.h
+++ b/src/lib/filters/pipe.h
@@ -145,7 +145,7 @@ class BOTAN_DLL Pipe : public DataSource
       * @param length the length of the byte array output
       * @return number of bytes actually read into output
       */
-      size_t read(byte output[], size_t length);
+      size_t read(byte output[], size_t length) override;
 
       /**
       * Read a specified message from the pipe. Moves the internal
@@ -191,7 +191,7 @@ class BOTAN_DLL Pipe : public DataSource
       * @param offset the offset from the current position in message
       * @return number of bytes actually peeked and written into output
       */
-      size_t peek(byte output[], size_t length, size_t offset) const;
+      size_t peek(byte output[], size_t length, size_t offset) const override;
 
       /** Read from the specified message but do not modify the
       * internal offset. Consecutive calls to peek() will return
@@ -219,7 +219,7 @@ class BOTAN_DLL Pipe : public DataSource
       /**
       * @return the number of bytes read from the default message.
       */
-      size_t get_bytes_read() const;
+      size_t get_bytes_read() const override;
 
       /**
       * @return the number of bytes read from the specified message.
@@ -248,7 +248,7 @@ class BOTAN_DLL Pipe : public DataSource
       * Test whether this pipe has any data that can be read from.
       * @return true if there is more data to read, false otherwise
       */
-      bool end_of_data() const;
+      bool end_of_data() const override;
 
       /**
       * Start a new message in the pipe. A potential other message in this pipe
diff --git a/src/lib/filters/secqueue.h b/src/lib/filters/secqueue.h
index 7eb8ffc17..a0164dcf2 100644
--- a/src/lib/filters/secqueue.h
+++ b/src/lib/filters/secqueue.h
@@ -20,15 +20,15 @@ namespace Botan {
 class BOTAN_DLL SecureQueue : public Fanout_Filter, public DataSource
    {
    public:
-      std::string name() const { return "Queue"; }
+      std::string name() const override { return "Queue"; }
 
-      void write(const byte[], size_t);
+      void write(const byte[], size_t) override;
 
-      size_t read(byte[], size_t);
-      size_t peek(byte[], size_t, size_t = 0) const;
-      size_t get_bytes_read() const;
+      size_t read(byte[], size_t) override;
+      size_t peek(byte[], size_t, size_t = 0) const override;
+      size_t get_bytes_read() const override;
 
-      bool end_of_data() const;
+      bool end_of_data() const override;
 
       bool empty() const;
 
@@ -37,7 +37,7 @@ class BOTAN_DLL SecureQueue : public Fanout_Filter, public DataSource
       */
       size_t size() const;
 
-      bool attachable() { return false; }
+      bool attachable() override { return false; }
 
       /**
       * SecureQueue assignment