Copies a glib.Hmac If hmac has been closed, by calling Hmac.getString or Hmac.getDigest, the copied HMAC will be closed as well.
the copy of the passed glib.Hmac Use Hmac.unref when finished using it.
2.30
Copies a glib.Hmac If hmac has been closed, by calling Hmac.getString or Hmac.getDigest, the copied HMAC will be closed as well.