Apply final annotations to the library also

Done by a perl script which converted all classes to final, followed
by selective reversion where it caused compilation failures.

13 files changed, 32 insertions, 32 deletions

diff --git a/src/lib/utils/barrier.h b/src/lib/utils/barrier.h
index 303ac5a98..9b7fdd59d 100644
--- a/src/lib/utils/barrier.h
+++ b/src/lib/utils/barrier.h
@@ -23,7 +23,7 @@ namespace Botan {
 // m_syncs counter is incremented. m_syncs is a counter to ensure that wait()
 // can be called after a sync() even if the previously sleeping threads have
 // not awoken.)
-class Barrier
+class Barrier final
     {
     public:
         explicit Barrier(int value = 0) : m_value(value), m_syncs(0) {}
diff --git a/src/lib/utils/cpuid/cpuid.h b/src/lib/utils/cpuid/cpuid.h
index 839b72167..f9186f918 100644
--- a/src/lib/utils/cpuid/cpuid.h
+++ b/src/lib/utils/cpuid/cpuid.h
@@ -33,7 +33,7 @@ namespace Botan {
 *    thread-unsafe mechanism involving executing probe functions which
 *    catching SIGILL signal is used.
 */
-class BOTAN_PUBLIC_API(2,1) CPUID
+class BOTAN_PUBLIC_API(2,1) CPUID final
    {
    public:
       /**
diff --git a/src/lib/utils/data_src.h b/src/lib/utils/data_src.h
index 616556e46..346ec20f7 100644
--- a/src/lib/utils/data_src.h
+++ b/src/lib/utils/data_src.h
@@ -95,7 +95,7 @@ class BOTAN_PUBLIC_API(2,0) DataSource
 /**
 * This class represents a Memory-Based DataSource
 */
-class BOTAN_PUBLIC_API(2,0) DataSource_Memory : public DataSource
+class BOTAN_PUBLIC_API(2,0) DataSource_Memory final : public DataSource
    {
    public:
       size_t read(uint8_t[], size_t) override;
@@ -140,7 +140,7 @@ class BOTAN_PUBLIC_API(2,0) DataSource_Memory : public DataSource
 /**
 * This class represents a Stream-Based DataSource.
 */
-class BOTAN_PUBLIC_API(2,0) DataSource_Stream : public DataSource
+class BOTAN_PUBLIC_API(2,0) DataSource_Stream final : public DataSource
    {
    public:
       size_t read(uint8_t[], size_t) override;
diff --git a/src/lib/utils/database.h b/src/lib/utils/database.h
index cd30c64ae..eb59cc376 100644
--- a/src/lib/utils/database.h
+++ b/src/lib/utils/database.h
@@ -20,7 +20,7 @@ class BOTAN_PUBLIC_API(2,0) SQL_Database
    {
    public:
 
-      class BOTAN_PUBLIC_API(2,0) SQL_DB_Error : public Exception
+      class BOTAN_PUBLIC_API(2,0) SQL_DB_Error final : public Exception
          {
          public:
             explicit SQL_DB_Error(const std::string& what) : Exception("SQL database", what) {}
diff --git a/src/lib/utils/donna128.h b/src/lib/utils/donna128.h
index 9efc4e332..5d5b18695 100644
--- a/src/lib/utils/donna128.h
+++ b/src/lib/utils/donna128.h
@@ -12,7 +12,7 @@
 
 namespace Botan {
 
-class donna128
+class donna128 final
    {
    public:
       donna128(uint64_t ll = 0, uint64_t hh = 0) { l = ll; h = hh; }
diff --git a/src/lib/utils/dyn_load/dyn_load.h b/src/lib/utils/dyn_load/dyn_load.h
index 581eac724..3caf65f27 100644
--- a/src/lib/utils/dyn_load/dyn_load.h
+++ b/src/lib/utils/dyn_load/dyn_load.h
@@ -16,7 +16,7 @@ namespace Botan {
 /**
 * Represents a DLL or shared object
 */
-class BOTAN_PUBLIC_API(2,0) Dynamically_Loaded_Library
+class BOTAN_PUBLIC_API(2,0) Dynamically_Loaded_Library final
    {
    public:
       /**
diff --git a/src/lib/utils/exceptn.h b/src/lib/utils/exceptn.h
index bb8c245f6..5242e87d9 100644
--- a/src/lib/utils/exceptn.h
+++ b/src/lib/utils/exceptn.h
@@ -49,7 +49,7 @@ class BOTAN_PUBLIC_API(2,0) Invalid_Argument : public Exception
 * An argument that is invalid because it is not supported by Botan.
 * It might or might not be valid in another context like a standard.
 */
-struct BOTAN_PUBLIC_API(2,0) Unsupported_Argument : public Invalid_Argument
+struct BOTAN_PUBLIC_API(2,0) Unsupported_Argument final : public Invalid_Argument
    {
    explicit Unsupported_Argument(const std::string& msg) : Invalid_Argument(msg) {}
    };
@@ -94,7 +94,7 @@ struct BOTAN_PUBLIC_API(2,0) Internal_Error : public Exception
 /**
 * Invalid_Key_Length Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Invalid_Key_Length : public Invalid_Argument
+struct BOTAN_PUBLIC_API(2,0) Invalid_Key_Length final : public Invalid_Argument
    {
    Invalid_Key_Length(const std::string& name, size_t length) :
       Invalid_Argument(name + " cannot accept a key of length " +
@@ -105,7 +105,7 @@ struct BOTAN_PUBLIC_API(2,0) Invalid_Key_Length : public Invalid_Argument
 /**
 * Invalid_IV_Length Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Invalid_IV_Length : public Invalid_Argument
+struct BOTAN_PUBLIC_API(2,0) Invalid_IV_Length final : public Invalid_Argument
    {
    Invalid_IV_Length(const std::string& mode, size_t bad_len) :
       Invalid_Argument("IV length " + std::to_string(bad_len) +
@@ -116,7 +116,7 @@ struct BOTAN_PUBLIC_API(2,0) Invalid_IV_Length : public Invalid_Argument
 /**
 * PRNG_Unseeded Exception
 */
-struct BOTAN_PUBLIC_API(2,0) PRNG_Unseeded : public Invalid_State
+struct BOTAN_PUBLIC_API(2,0) PRNG_Unseeded final : public Invalid_State
    {
    explicit PRNG_Unseeded(const std::string& algo) :
       Invalid_State("PRNG not seeded: " + algo)
@@ -126,7 +126,7 @@ struct BOTAN_PUBLIC_API(2,0) PRNG_Unseeded : public Invalid_State
 /**
 * Policy_Violation Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Policy_Violation : public Invalid_State
+struct BOTAN_PUBLIC_API(2,0) Policy_Violation final : public Invalid_State
    {
    explicit Policy_Violation(const std::string& err) :
       Invalid_State("Policy violation: " + err)
@@ -136,7 +136,7 @@ struct BOTAN_PUBLIC_API(2,0) Policy_Violation : public Invalid_State
 /**
 * Algorithm_Not_Found Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Algorithm_Not_Found : public Lookup_Error
+struct BOTAN_PUBLIC_API(2,0) Algorithm_Not_Found final : public Lookup_Error
    {
    explicit Algorithm_Not_Found(const std::string& name) :
       Lookup_Error("Could not find any algorithm named \"" + name + "\"")
@@ -146,7 +146,7 @@ struct BOTAN_PUBLIC_API(2,0) Algorithm_Not_Found : public Lookup_Error
 /**
 * No_Provider_Found Exception
 */
-struct BOTAN_PUBLIC_API(2,0) No_Provider_Found : public Exception
+struct BOTAN_PUBLIC_API(2,0) No_Provider_Found final : public Exception
    {
    explicit No_Provider_Found(const std::string& name) :
       Exception("Could not find any provider for algorithm named \"" + name + "\"")
@@ -157,7 +157,7 @@ struct BOTAN_PUBLIC_API(2,0) No_Provider_Found : public Exception
 * Provider_Not_Found is thrown when a specific provider was requested
 * but that provider is not available.
 */
-struct BOTAN_PUBLIC_API(2,0) Provider_Not_Found : public Lookup_Error
+struct BOTAN_PUBLIC_API(2,0) Provider_Not_Found final : public Lookup_Error
    {
    Provider_Not_Found(const std::string& algo, const std::string& provider) :
       Lookup_Error("Could not find provider '" + provider + "' for " + algo) {}
@@ -166,7 +166,7 @@ struct BOTAN_PUBLIC_API(2,0) Provider_Not_Found : public Lookup_Error
 /**
 * Invalid_Algorithm_Name Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Invalid_Algorithm_Name : public Invalid_Argument
+struct BOTAN_PUBLIC_API(2,0) Invalid_Algorithm_Name final : public Invalid_Argument
    {
    explicit Invalid_Algorithm_Name(const std::string& name):
       Invalid_Argument("Invalid algorithm name: " + name)
@@ -176,7 +176,7 @@ struct BOTAN_PUBLIC_API(2,0) Invalid_Algorithm_Name : public Invalid_Argument
 /**
 * Encoding_Error Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Encoding_Error : public Invalid_Argument
+struct BOTAN_PUBLIC_API(2,0) Encoding_Error final : public Invalid_Argument
    {
    explicit Encoding_Error(const std::string& name) :
       Invalid_Argument("Encoding error: " + name) {}
@@ -194,7 +194,7 @@ struct BOTAN_PUBLIC_API(2,0) Decoding_Error : public Invalid_Argument
 /**
 * Integrity_Failure Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Integrity_Failure : public Exception
+struct BOTAN_PUBLIC_API(2,0) Integrity_Failure final : public Exception
    {
    explicit Integrity_Failure(const std::string& msg) :
       Exception("Integrity failure: " + msg) {}
@@ -203,7 +203,7 @@ struct BOTAN_PUBLIC_API(2,0) Integrity_Failure : public Exception
 /**
 * Invalid_OID Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Invalid_OID : public Decoding_Error
+struct BOTAN_PUBLIC_API(2,0) Invalid_OID final : public Decoding_Error
    {
    explicit Invalid_OID(const std::string& oid) :
       Decoding_Error("Invalid ASN.1 OID: " + oid) {}
@@ -212,7 +212,7 @@ struct BOTAN_PUBLIC_API(2,0) Invalid_OID : public Decoding_Error
 /**
 * Stream_IO_Error Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Stream_IO_Error : public Exception
+struct BOTAN_PUBLIC_API(2,0) Stream_IO_Error final : public Exception
    {
    explicit Stream_IO_Error(const std::string& err) :
       Exception("I/O error: " + err)
@@ -222,7 +222,7 @@ struct BOTAN_PUBLIC_API(2,0) Stream_IO_Error : public Exception
 /**
 * No_Filesystem_Access Exception
 */
-struct BOTAN_PUBLIC_API(2,0) No_Filesystem_Access : public Exception
+struct BOTAN_PUBLIC_API(2,0) No_Filesystem_Access final : public Exception
    {
    No_Filesystem_Access() : Exception("No filesystem access enabled.") {}
    };
@@ -230,7 +230,7 @@ struct BOTAN_PUBLIC_API(2,0) No_Filesystem_Access : public Exception
 /**
 * Self Test Failure Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Self_Test_Failure : public Internal_Error
+struct BOTAN_PUBLIC_API(2,0) Self_Test_Failure final : public Internal_Error
    {
    explicit Self_Test_Failure(const std::string& err) :
       Internal_Error("Self test failed: " + err)
@@ -240,7 +240,7 @@ struct BOTAN_PUBLIC_API(2,0) Self_Test_Failure : public Internal_Error
 /**
 * Not Implemented Exception
 */
-struct BOTAN_PUBLIC_API(2,0) Not_Implemented : public Exception
+struct BOTAN_PUBLIC_API(2,0) Not_Implemented final : public Exception
    {
    explicit Not_Implemented(const std::string& err) :
       Exception("Not implemented", err)
diff --git a/src/lib/utils/http_util/http_util.h b/src/lib/utils/http_util/http_util.h
index acaed54d4..aa8e1cbc0 100644
--- a/src/lib/utils/http_util/http_util.h
+++ b/src/lib/utils/http_util/http_util.h
@@ -56,7 +56,7 @@ struct Response
 /**
 * HTTP_Error Exception
 */
-struct BOTAN_PUBLIC_API(2,0) HTTP_Error : public Exception
+struct BOTAN_PUBLIC_API(2,0) HTTP_Error final : public Exception
    {
    explicit HTTP_Error(const std::string& msg) :
       Exception("HTTP error " + msg)
diff --git a/src/lib/utils/locking_allocator/locking_allocator.h b/src/lib/utils/locking_allocator/locking_allocator.h
index b761221d2..8e38129e2 100644
--- a/src/lib/utils/locking_allocator/locking_allocator.h
+++ b/src/lib/utils/locking_allocator/locking_allocator.h
@@ -14,7 +14,7 @@
 
 namespace Botan {
 
-class BOTAN_PUBLIC_API(2,0) mlock_allocator
+class BOTAN_PUBLIC_API(2,0) mlock_allocator final
    {
    public:
       static mlock_allocator& instance();
diff --git a/src/lib/utils/os_utils.cpp b/src/lib/utils/os_utils.cpp
index 92b555d1e..afea8bc7d 100644
--- a/src/lib/utils/os_utils.cpp
+++ b/src/lib/utils/os_utils.cpp
@@ -52,7 +52,7 @@ namespace {
 
 #if defined(BOTAN_HAS_BOOST_ASIO)
 
-class Asio_Socket : public OS::Socket
+class Asio_Socket final : public OS::Socket
    {
    public:
       Asio_Socket(const std::string& hostname, const std::string& service) :
@@ -90,7 +90,7 @@ class Asio_Socket : public OS::Socket
 
 #elif defined(BOTAN_TARGET_OS_TYPE_IS_WINDOWS)
 
-class Winsock_Socket : public OS::Socket
+class Winsock_Socket final : public OS::Socket
    {
    public:
       Winsock_Socket(const std::string& hostname, const std::string& service)
@@ -188,7 +188,7 @@ class Winsock_Socket : public OS::Socket
    };
 
 #elif defined(BOTAN_TARGET_OS_TYPE_IS_UNIX)
-class BSD_Socket : public OS::Socket
+class BSD_Socket final : public OS::Socket
    {
    public:
       BSD_Socket(const std::string& hostname, const std::string& service)
diff --git a/src/lib/utils/safeint.h b/src/lib/utils/safeint.h
index 66632c932..86567db72 100644
--- a/src/lib/utils/safeint.h
+++ b/src/lib/utils/safeint.h
@@ -13,7 +13,7 @@
 
 namespace Botan {
 
-class Integer_Overflow_Detected : public Exception
+class Integer_Overflow_Detected final : public Exception
    {
    public:
       Integer_Overflow_Detected(const std::string& file, int line) :
diff --git a/src/lib/utils/semaphore.h b/src/lib/utils/semaphore.h
index 61db8d48f..84478a8df 100644
--- a/src/lib/utils/semaphore.h
+++ b/src/lib/utils/semaphore.h
@@ -17,7 +17,7 @@
 namespace Botan {
 
 #if defined(BOTAN_TARGET_OS_HAS_THREADS)
-class Semaphore
+class Semaphore final
    {
    public:
       explicit Semaphore(int value = 0) : m_value(value), m_wakeups(0) {}
diff --git a/src/lib/utils/sqlite3/sqlite3.h b/src/lib/utils/sqlite3/sqlite3.h
index dff189791..3f11b60e2 100644
--- a/src/lib/utils/sqlite3/sqlite3.h
+++ b/src/lib/utils/sqlite3/sqlite3.h
@@ -15,7 +15,7 @@ class sqlite3_stmt;
 
 namespace Botan {
 
-class BOTAN_PUBLIC_API(2,0) Sqlite3_Database  : public SQL_Database
+class BOTAN_PUBLIC_API(2,0) Sqlite3_Database final : public SQL_Database
    {
    public:
       Sqlite3_Database(const std::string& file);
@@ -28,7 +28,7 @@ class BOTAN_PUBLIC_API(2,0) Sqlite3_Database  : public SQL_Database
 
       std::shared_ptr<Statement> new_statement(const std::string& sql) const override;
    private:
-      class Sqlite3_Statement : public Statement
+      class Sqlite3_Statement final : public Statement
          {
          public:
             void bind(int column, const std::string& val) override;