Use spaces (#586)

src/hackney_tcp.erl

@@ -7,81 +7,81 @@
 %%%
 -module(hackney_tcp).
 -export([messages/1,
-	connect/3, connect/4,
-	recv/2, recv/3,
-	send/2,
-	setopts/2,
-	controlling_process/2,
-	peername/1,
-	close/1,
-	shutdown/2,
-	sockname/1]).
+  connect/3, connect/4,
+  recv/2, recv/3,
+  send/2,
+  setopts/2,
+  controlling_process/2,
+  peername/1,
+  close/1,
+  shutdown/2,
+  sockname/1]).
 
 %% @doc Atoms used to identify messages in {active, once | true} mode.
 messages(_) -> {tcp, tcp_closed, tcp_error}.
 
 connect(Host, Port, Opts) ->
-	connect(Host, Port, Opts, infinity).
+  connect(Host, Port, Opts, infinity).
 
 connect(Host, Port, Opts, Timeout) when is_list(Host), is_integer(Port),
-																				(Timeout =:= infinity orelse is_integer(Timeout)) ->
-	BaseOpts = [binary, {active, false}, {packet, raw}],
-	Opts1 = hackney_util:merge_opts(BaseOpts, Opts),
-	%% connect
-	gen_tcp:connect(Host, Port, Opts1, Timeout).
+                                        (Timeout =:= infinity orelse is_integer(Timeout)) ->
+  BaseOpts = [binary, {active, false}, {packet, raw}],
+  Opts1 = hackney_util:merge_opts(BaseOpts, Opts),
+  %% connect
+  gen_tcp:connect(Host, Port, Opts1, Timeout).
 
 recv(Socket, Length) ->
-	recv(Socket, Length, infinity).
+  recv(Socket, Length, infinity).
 
 %% @doc Receive a packet from a socket in passive mode.
 %% @see gen_tcp:recv/3
 -spec recv(inet:socket(), non_neg_integer(), timeout())
-		-> {ok, any()} | {error, closed | atom()}.
+    -> {ok, any()} | {error, closed | atom()}.
 recv(Socket, Length, Timeout) ->
-	gen_tcp:recv(Socket, Length, Timeout).
+  gen_tcp:recv(Socket, Length, Timeout).
 
 
 %% @doc Send a packet on a socket.
 %% @see gen_tcp:send/2
 -spec send(inet:socket(), iolist()) -> ok | {error, atom()}.
 send(Socket, Packet) ->
-	gen_tcp:send(Socket, Packet).
+  gen_tcp:send(Socket, Packet).
 
 %% @doc Set one or more options for a socket.
 %% @see inet:setopts/2
 -spec setopts(inet:socket(), list()) -> ok | {error, atom()}.
 setopts(Socket, Opts) ->
-	inet:setopts(Socket, Opts).
+  inet:setopts(Socket, Opts).
 
 %% @doc Assign a new controlling process <em>Pid</em> to <em>Socket</em>.
 %% @see gen_tcp:controlling_process/2
 -spec controlling_process(inet:socket(), pid())
-		-> ok | {error, closed | not_owner | atom()}.
+    -> ok | {error, closed | not_owner | atom()}.
 controlling_process(Socket, Pid) ->
-	gen_tcp:controlling_process(Socket, Pid).
+  gen_tcp:controlling_process(Socket, Pid).
 
 %% @doc Return the address and port for the other end of a connection.
 %% @see inet:peername/1
 -spec peername(inet:socket())
-		-> {ok, {inet:ip_address(), inet:port_number()}} | {error, atom()}.
+    -> {ok, {inet:ip_address(), inet:port_number()}} | {error, atom()}.
 peername(Socket) ->
-	inet:peername(Socket).
+  inet:peername(Socket).
 
 %% @doc Close a TCP socket.
 %% @see gen_tcp:close/1
 -spec close(inet:socket()) -> ok.
 close(Socket) ->
-	gen_tcp:close(Socket).
+  gen_tcp:close(Socket).
 
 %% @doc Immediately close a socket in one or two directions.
 %% @see gen_tcp:shutdown/2
 -spec shutdown(inet:socket(), read | write | read_write) -> ok.
 shutdown(Socket, How) ->
-	gen_tcp:shutdown(Socket, How).
+  gen_tcp:shutdown(Socket, How).
 
 %% @doc Get the local address and port of a socket
 %% @see inet:sockname/1
 -spec sockname(inet:socket())
-		-> {ok, {inet:ip_address(), inet:port_number()}} | {error, atom()}.
+    -> {ok, {inet:ip_address(), inet:port_number()}} | {error, atom()}.
 sockname(Socket) ->
-	inet:sockname(Socket).
+  inet:sockname(Socket).