1 files changed, 5 insertions, 1 deletions
diff --git a/src/zmq_decoder.hpp b/src/zmq_decoder.hpp
index 5d9133b..dfabece 100644
--- a/src/zmq_decoder.hpp
+++ b/src/zmq_decoder.hpp
@@ -34,11 +34,15 @@ namespace zmq
 
         //  If prefix is not NULL, it will be glued to the beginning of every
         //  decoded message.
-        zmq_decoder_t (size_t bufsize_, void *prefix_, size_t prefix_size_);
+        zmq_decoder_t (size_t bufsize_);
         ~zmq_decoder_t ();
 
         void set_inout (struct i_inout *destination_);
 
+        //  Once called, all decoded messages will be prefixed by the specified
+        //  prefix.
+        void add_prefix (unsigned char *prefix_, size_t prefix_size_);
+
     private:
 
         bool one_byte_size_ready ();