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-rw-r--r--lib/kernel/src/file.erl24
1 files changed, 14 insertions, 10 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index a49f6583ad..bc95359986 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -75,7 +75,7 @@
-define(RAM_FILE, ram_file). % Module
%% data types
--type filename() :: string().
+-type filename() :: string() | binary().
-type file_info() :: #file_info{}.
-type fd() :: #file_descriptor{}.
-type io_device() :: pid() | fd().
@@ -87,7 +87,7 @@
| 'delayed_write' | {'read_ahead', pos_integer()}
| 'read_ahead' | 'compressed'
| {'encoding', unicode:encoding()}.
--type name() :: string() | atom() | [name()].
+-type name() :: string() | atom() | [name()] | binary().
-type posix() :: 'eacces' | 'eagain' | 'ebadf' | 'ebusy' | 'edquot'
| 'eexist' | 'efault' | 'efbig' | 'eintr' | 'einval'
| 'eio' | 'eisdir' | 'eloop' | 'emfile' | 'emlink'
@@ -1034,22 +1034,26 @@ path_open_first([], _Name, _Mode, LastError) ->
%% Generates a flat file name from a deep list of atoms and
%% characters (integers).
+file_name(N) when is_binary(N) ->
+ N;
file_name(N) ->
try
- file_name_1(N)
+ file_name_1(N,file:native_name_encoding())
catch Reason ->
{error, Reason}
end.
-file_name_1([C|T]) when is_integer(C), C > 0, C =< 255 ->
- [C|file_name_1(T)];
-file_name_1([H|T]) ->
- file_name_1(H) ++ file_name_1(T);
-file_name_1([]) ->
+file_name_1([C|T],latin1) when is_integer(C), C < 256->
+ [C|file_name_1(T,latin1)];
+file_name_1([C|T],utf8) when is_integer(C) ->
+ [C|file_name_1(T,utf8)];
+file_name_1([H|T],E) ->
+ file_name_1(H,E) ++ file_name_1(T,E);
+file_name_1([],_) ->
[];
-file_name_1(N) when is_atom(N) ->
+file_name_1(N,_) when is_atom(N) ->
atom_to_list(N);
-file_name_1(_) ->
+file_name_1(_,_) ->
throw(badarg).
make_binary(Bin) when is_binary(Bin) ->