Use class instead of struct for objects with member functions

Flagged by Sonar and quite reasonable

2 files changed, 14 insertions, 12 deletions

diff --git a/src/lib/filters/basefilt.h b/src/lib/filters/basefilt.h
index 40ce0ec6e..01bcad756 100644
--- a/src/lib/filters/basefilt.h
+++ b/src/lib/filters/basefilt.h
@@ -20,11 +20,12 @@ namespace Botan {
 /**
 * BitBucket is a filter which simply discards all inputs
 */
-struct BOTAN_PUBLIC_API(2,0) BitBucket final : public Filter
+class BOTAN_PUBLIC_API(2,0) BitBucket final : public Filter
    {
-   void write(const uint8_t[], size_t) override {}
+   public:
+      void write(const uint8_t[], size_t) override {}
 
-   std::string name() const override { return "BitBucket"; }
+      std::string name() const override { return "BitBucket"; }
    };
 
 /**
diff --git a/src/lib/filters/pipe.h b/src/lib/filters/pipe.h
index 060b5c1ca..cd446bd7e 100644
--- a/src/lib/filters/pipe.h
+++ b/src/lib/filters/pipe.h
@@ -38,16 +38,17 @@ class BOTAN_PUBLIC_API(2,0) Pipe final : public DataSource
       * Exception if you use an invalid message as an argument to
       * read, remaining, etc
       */
-      struct BOTAN_PUBLIC_API(2,0) Invalid_Message_Number final : public Invalid_Argument
+      class BOTAN_PUBLIC_API(2,0) Invalid_Message_Number final : public Invalid_Argument
          {
-         /**
-         * @param where the error occurred
-         * @param msg the invalid message id that was used
-         */
-         Invalid_Message_Number(const std::string& where, message_id msg) :
-            Invalid_Argument("Pipe::" + where + ": Invalid message number " +
-                             std::to_string(msg))
-            {}
+         public:
+            /**
+            * @param where the error occurred
+            * @param msg the invalid message id that was used
+            */
+            Invalid_Message_Number(const std::string& where, message_id msg) :
+               Invalid_Argument("Pipe::" + where + ": Invalid message number " +
+                                std::to_string(msg))
+               {}
          };
 
       /**