Use ~0p instead of ~999999p for formatting

src/ranch_acceptors_sup.erl

@@ -89,7 +89,7 @@ listen_error(Ref, Transport, TransOpts0, Reason, Logger) ->
 	SocketOpts = hide_socket_opts(SocketOpts0),
 	TransOpts = TransOpts0#{socket_opts => SocketOpts},
 	ranch:log(error,
-		"Failed to start Ranch listener ~p in ~p:listen(~999999p) for reason ~p (~s)~n",
+		"Failed to start Ranch listener ~p in ~p:listen(~0p) for reason ~p (~s)~n",
 		[Ref, Transport, TransOpts, Reason, format_error(Transport, Reason)], Logger),
 	exit({listen_error, Ref, Reason}).
 
@@ -120,5 +120,5 @@ format_error(Transport, Reason) ->
 		true ->
 			Transport:format_error(Reason);
 		false ->
-			lists:flatten(io_lib:format("~999999p", [Reason]))
+			lists:flatten(io_lib:format("~0p", [Reason]))
 	end.

src/ranch_conns_sup.erl

@@ -138,15 +138,15 @@ loop(State=#state{parent=Parent, ref=Ref, id=Id, conn_type=ConnType,
 					To ! self(),
 					ranch:log(error,
 						"Ranch listener ~p connection process start failure; "
-						"~p:start_link/3 returned: ~999999p~n",
+						"~p:start_link/3 returned: ~0p~n",
 						[Ref, Protocol, Ret], Logger),
 					Transport:close(Socket),
 					loop(State, CurConns, NbChildren, Sleepers)
 			catch Class:Reason ->
 				To ! self(),
 				ranch:log(error,
 					"Ranch listener ~p connection process start failure; "
-					"~p:start_link/3 crashed with reason: ~p:~999999p~n",
+					"~p:start_link/3 crashed with reason: ~p:~0p~n",
 					[Ref, Protocol, Class, Reason], Logger),
 				Transport:close(Socket),
 				loop(State, CurConns, NbChildren, Sleepers)
@@ -475,7 +475,7 @@ system_terminate(Reason, _, _, {State, _, NbChildren, _}) ->
 system_code_change(Misc, _, _, _) ->
 	{ok, Misc}.
 
-%% We use ~999999p here instead of ~w because the latter doesn't
+%% We use ~0p here instead of ~w because the latter doesn't
 %% support printable strings.
 report_error(_, _, _, _, normal) ->
 	ok;
@@ -486,5 +486,5 @@ report_error(_, _, _, _, {shutdown, _}) ->
 report_error(Logger, Ref, Protocol, Pid, Reason) ->
 	ranch:log(error,
 		"Ranch listener ~p had connection process started with "
-		"~p:start_link/3 at ~p exit with reason: ~999999p~n",
+		"~p:start_link/3 at ~p exit with reason: ~0p~n",
 		[Ref, Protocol, Pid, Reason], Logger).