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-rw-r--r--lib/kernel/src/file_io_server.erl35
1 files changed, 13 insertions, 22 deletions
diff --git a/lib/kernel/src/file_io_server.erl b/lib/kernel/src/file_io_server.erl
index 37e803c493..fc26e8dcf3 100644
--- a/lib/kernel/src/file_io_server.erl
+++ b/lib/kernel/src/file_io_server.erl
@@ -106,21 +106,21 @@ do_start(Spawn, Owner, FileName, ModeList) ->
parse_options(List) ->
parse_options(expand_encoding(List), list, latin1, []).
-parse_options([],list,Uni,Acc) ->
+parse_options([], list, Uni, Acc) ->
{list,Uni,[binary|lists:reverse(Acc)]};
-parse_options([],binary,Uni,Acc) ->
+parse_options([], binary, Uni, Acc) ->
{binary,Uni,lists:reverse(Acc)};
-parse_options([{encoding, Encoding}|T],RMode,_,Acc) ->
+parse_options([{encoding, Encoding}|T], RMode, _, Acc) ->
case valid_enc(Encoding) of
{ok, ExpandedEnc} ->
- parse_options(T,RMode,ExpandedEnc,Acc);
- {error,Reason} ->
- {error,Reason}
+ parse_options(T, RMode, ExpandedEnc, Acc);
+ {error,_Reason} = Error ->
+ Error
end;
-parse_options([binary|T],_,Uni,Acc) ->
- parse_options(T,binary,Uni,[binary|Acc]);
-parse_options([H|T],R,U,Acc) ->
- parse_options(T,R,U,[H|Acc]).
+parse_options([binary|T], _, Uni, Acc) ->
+ parse_options(T, binary, Uni, [binary|Acc]);
+parse_options([H|T], R, U, Acc) ->
+ parse_options(T, R, U, [H|Acc]).
expand_encoding([]) ->
[];
@@ -153,7 +153,6 @@ valid_enc(_Other) ->
{error,badarg}.
-
server_loop(#state{mref = Mref} = State) ->
receive
{file_request, From, ReplyAs, Request} when is_pid(From) ->
@@ -326,7 +325,6 @@ io_request(Unknown,
{error,{error,Reason},State}.
-
%% Process a list of requests as long as the results are ok.
io_request_loop([], Result) ->
@@ -342,7 +340,6 @@ io_request_loop([Request|Tail],
io_request_loop(Tail, io_request(Request, State)).
-
%% I/O request put_chars
%%
put_chars(Chars, latin1, #state{handle=Handle, unic=latin1}=State) ->
@@ -653,20 +650,14 @@ do_setopts(Opts, State) ->
end.
getopts(#state{read_mode=RM, unic=Unic} = State) ->
- Bin = {binary, case RM of
- binary ->
- true;
- _ ->
- false
- end},
+ Bin = {binary, RM =:= binary},
Uni = {encoding, Unic},
{reply,[Bin,Uni],State}.
-
%% Concatenate two binaries and convert the result to list or binary
-cat(B1, B2, binary,latin1,latin1) ->
+cat(B1, B2, binary, latin1, latin1) ->
list_to_binary([B1,B2]);
-cat(B1, B2, binary,InEncoding,OutEncoding) ->
+cat(B1, B2, binary, InEncoding, OutEncoding) ->
case unicode:characters_to_binary([B1,B2],InEncoding,OutEncoding) of
Good when is_binary(Good) ->
Good;