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-rw-r--r--lib/kernel/src/code.erl12
-rw-r--r--lib/kernel/src/file.erl47
-rw-r--r--lib/kernel/src/file_io_server.erl4
-rw-r--r--lib/kernel/src/os.erl7
4 files changed, 39 insertions, 31 deletions
diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl
index ec256d5806..feb5131aad 100644
--- a/lib/kernel/src/code.erl
+++ b/lib/kernel/src/code.erl
@@ -213,19 +213,20 @@ unstick_mod(Mod) when is_atom(Mod) -> call({unstick_mod,Mod}).
-spec is_sticky(Module :: atom()) -> boolean().
is_sticky(Mod) when is_atom(Mod) -> call({is_sticky,Mod}).
--spec set_path(Directories :: [file:filename()]) -> 'true' | {'error', term()}.
+-spec set_path(Directories :: [file:filename()]) ->
+ 'true' | {'error', 'bad_directory' | 'bad_path'}.
set_path(PathList) when is_list(PathList) -> call({set_path,PathList}).
-spec get_path() -> [file:filename()].
get_path() -> call(get_path).
--spec add_path(Directory :: file:filename()) -> 'true' | {'error', term()}.
+-spec add_path(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
add_path(Dir) when is_list(Dir) -> call({add_path,last,Dir}).
--spec add_pathz(Directory :: file:filename()) -> 'true' | {'error', term()}.
+-spec add_pathz(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
add_pathz(Dir) when is_list(Dir) -> call({add_path,last,Dir}).
--spec add_patha(Directory :: file:filename()) -> 'true' | {'error', term()}.
+-spec add_patha(Directory :: file:filename()) -> 'true' | {'error', 'bad_directory'}.
add_patha(Dir) when is_list(Dir) -> call({add_path,first,Dir}).
-spec add_paths(Directories :: [file:filename()]) -> 'ok'.
@@ -237,7 +238,6 @@ add_pathsz(Dirs) when is_list(Dirs) -> call({add_paths,last,Dirs}).
-spec add_pathsa(Directories :: [file:filename()]) -> 'ok'.
add_pathsa(Dirs) when is_list(Dirs) -> call({add_paths,first,Dirs}).
-%% XXX Contract's input argument differs from add_path/1 -- why?
-spec del_path(Name :: file:filename() | atom()) -> boolean() | {'error', 'bad_name'}.
del_path(Name) when is_list(Name) ; is_atom(Name) -> call({del_path,Name}).
@@ -286,6 +286,8 @@ do_start(Flags) ->
ets:module_info(module),
os:module_info(module),
+ binary:module_info(module),
+ unicode:module_info(module),
filename:module_info(module),
lists:module_info(module),
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index 97d914b043..3aca9b4b0d 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'
@@ -183,7 +183,7 @@ make_dir(Name) ->
del_dir(Name) ->
check_and_call(del_dir, [file_name(Name)]).
--spec read_file_info(Name :: name()) -> {'ok', #file_info{}} | {'error', posix()}.
+-spec read_file_info(Name :: name()) -> {'ok', file_info()} | {'error', posix()}.
read_file_info(Name) ->
check_and_call(read_file_info, [file_name(Name)]).
@@ -193,7 +193,7 @@ read_file_info(Name) ->
altname(Name) ->
check_and_call(altname, [file_name(Name)]).
--spec read_link_info(Name :: name()) -> {'ok', #file_info{}} | {'error', posix()}.
+-spec read_link_info(Name :: name()) -> {'ok', file_info()} | {'error', posix()}.
read_link_info(Name) ->
check_and_call(read_link_info, [file_name(Name)]).
@@ -203,7 +203,7 @@ read_link_info(Name) ->
read_link(Name) ->
check_and_call(read_link, [file_name(Name)]).
--spec write_file_info(Name :: name(), Info :: #file_info{}) ->
+-spec write_file_info(Name :: name(), Info :: file_info()) ->
'ok' | {'error', posix()}.
write_file_info(Name, Info = #file_info{}) ->
@@ -214,7 +214,8 @@ write_file_info(Name, Info = #file_info{}) ->
list_dir(Name) ->
check_and_call(list_dir, [file_name(Name)]).
--spec read_file(Name :: name()) -> {'ok', binary()} | {'error', posix()}.
+-spec read_file(Name :: name()) ->
+ {'ok', binary()} | {'error', posix() | 'terminated' | 'system_limit'}.
read_file(Name) ->
check_and_call(read_file, [file_name(Name)]).
@@ -229,17 +230,17 @@ make_link(Old, New) ->
make_symlink(Old, New) ->
check_and_call(make_symlink, [file_name(Old), file_name(New)]).
--spec write_file(Name :: name(), Bin :: binary()) -> 'ok' | {'error', posix()}.
+-spec write_file(Name :: name(), Bin :: iodata()) ->
+ 'ok' | {'error', posix() | 'terminated' | 'system_limit'}.
write_file(Name, Bin) ->
check_and_call(write_file, [file_name(Name), make_binary(Bin)]).
%% This whole operation should be moved to the file_server and prim_file
%% when it is time to change file server protocol again.
-%% Meanwhile, it is implemented here, slihtly less efficient.
-%%
+%% Meanwhile, it is implemented here, slightly less efficient.
--spec write_file(Name :: name(), Bin :: binary(), Modes :: [mode()]) ->
+-spec write_file(Name :: name(), Bin :: iodata(), Modes :: [mode()]) ->
'ok' | {'error', posix()}.
write_file(Name, Bin, ModeList) when is_list(ModeList) ->
@@ -348,7 +349,7 @@ open(Item, Mode) ->
%%% The File argument must be either a Pid or a handle
%%% returned from ?PRIM_FILE:open.
--spec close(File :: io_device()) -> 'ok' | {'error', posix()}.
+-spec close(File :: io_device()) -> 'ok' | {'error', posix() | 'terminated'}.
close(File) when is_pid(File) ->
R = file_request(File, close),
@@ -367,7 +368,7 @@ close(_) ->
{error, badarg}.
-spec advise(File :: io_device(), Offset :: integer(),
- Length :: integer(), Advise :: posix_file_advise()) ->
+ Length :: integer(), Advise :: posix_file_advise()) ->
'ok' | {'error', posix()}.
advise(File, Offset, Length, Advise) when is_pid(File) ->
@@ -449,7 +450,7 @@ pread(_, _, _) ->
{error, badarg}.
-spec write(File :: io_device() | atom(), Byte :: iodata()) ->
- 'ok' | {'error', posix()}.
+ 'ok' | {'error', posix() | 'terminated'}.
write(File, Bytes) when (is_pid(File) orelse is_atom(File)) ->
case make_binary(Bytes) of
@@ -1033,22 +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) ->
diff --git a/lib/kernel/src/file_io_server.erl b/lib/kernel/src/file_io_server.erl
index 39dc32bb79..14da9c1a55 100644
--- a/lib/kernel/src/file_io_server.erl
+++ b/lib/kernel/src/file_io_server.erl
@@ -44,11 +44,11 @@ format_error(ErrorId) ->
erl_posix_msg:message(ErrorId).
start(Owner, FileName, ModeList)
- when is_pid(Owner), is_list(FileName), is_list(ModeList) ->
+ when is_pid(Owner), (is_list(FileName) orelse is_binary(FileName)), is_list(ModeList) ->
do_start(spawn, Owner, FileName, ModeList).
start_link(Owner, FileName, ModeList)
- when is_pid(Owner), is_list(FileName), is_list(ModeList) ->
+ when is_pid(Owner), (is_list(FileName) orelse is_binary(FileName)), is_list(ModeList) ->
do_start(spawn_link, Owner, FileName, ModeList).
%%%-----------------------------------------------------------------
diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl
index 75a11a8afd..ce8c581e08 100644
--- a/lib/kernel/src/os.erl
+++ b/lib/kernel/src/os.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2010. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2011. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -82,8 +82,9 @@ verify_executable(Name0, [Ext|Rest], OrigExtensions) ->
end;
_ ->
case file:read_file_info(Name1) of
- {ok, #file_info{mode=Mode}} when Mode band 8#111 =/= 0 ->
- %% XXX This test for execution permission is not full-proof
+ {ok, #file_info{type=regular,mode=Mode}}
+ when Mode band 8#111 =/= 0 ->
+ %% XXX This test for execution permission is not fool-proof
%% on Unix, since we test if any execution bit is set.
{ok, Name1};
_ ->