correct some documentation & fix warnings

websocketpp/extensions/permessage_deflate/disabled.hpp

@@ -55,7 +55,7 @@ class disabled {
 public:
     /// Negotiate extension
     /**
-     * The disabled extension always fails the negotiation with a disabled 
+     * The disabled extension always fails the negotiation with a disabled
      * error.
      *
      * @param offer Attribute from client's offer
@@ -66,7 +66,13 @@ public:
     }
 
     /// Initialize state
-    lib::error_code init(bool is_server) {
+    /**
+     * For the disabled extension state initialization is a no-op.
+     *
+     * @param is_server True to initialize as a server, false for a client.
+     * @return A code representing the error that occurred, if any
+     */
+    lib::error_code init(bool) {
         return lib::error_code();
     }
 

websocketpp/extensions/permessage_deflate/enabled.hpp

@@ -254,7 +254,7 @@ public:
      *
      * @todo memory level, strategy, etc are hardcoded
      *
-     * @param is_server Whether or not to initialize as a server or client.
+     * @param is_server True to initialize as a server, false for a client.
      * @return A code representing the error that occurred, if any
      */
     lib::error_code init(bool is_server) {
@@ -450,7 +450,7 @@ public:
      * @param response The server response attribute list to validate
      * @return Validation error or 0 on success
      */
-    lib::error_code validate_offer(http::attribute_list const & response) {
+    lib::error_code validate_offer(http::attribute_list const &) {
         return lib::error_code();
     }