Add the private get_buffer/1 function used by cowboy_protocol

src/cowboy_protocol.erl

@@ -394,7 +394,7 @@ next_request(Req=#http_req{connection=Conn}, State=#state{
 		req_keepalive=Keepalive}, HandlerRes) ->
 	cowboy_req:ensure_response(Req, 204),
 	{BodyRes, Buffer} = case cowboy_req:skip_body(Req) of
-		{ok, Req2} -> {ok, Req2#http_req.buffer};
+		{ok, Req2} -> {ok, cowboy_req:get_buffer(Req2)};
 		{error, _} -> {close, <<>>}
 	end,
 	%% Flush the resp_sent message before moving on.

src/cowboy_req.erl

@@ -109,6 +109,7 @@
 -export([set_buffer/2]).
 -export([set_bindings/4]).
 -export([get_resp_state/1]).
+-export([get_buffer/1]).
 
 %% Misc API.
 -export([compact/1]).
@@ -955,6 +956,11 @@ set_bindings(HostInfo, PathInfo, Bindings, Req) ->
 get_resp_state(#http_req{resp_state=RespState}) ->
 	RespState.
 
+%% @private
+-spec get_buffer(req()) -> binary().
+get_buffer(#http_req{buffer=Buffer}) ->
+	Buffer.
+
 %% Misc API.
 
 %% @doc Compact the request data by removing all non-system information.