aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'lib/kernel')
-rw-r--r--lib/kernel/doc/src/file.xml67
-rw-r--r--lib/kernel/src/auth.erl2
-rw-r--r--lib/kernel/src/file_server.erl2
-rw-r--r--lib/kernel/src/hipe_unified_loader.erl25
-rw-r--r--lib/kernel/test/code_SUITE.erl8
-rw-r--r--lib/kernel/test/file_SUITE.erl110
-rw-r--r--lib/kernel/test/file_name_SUITE.erl46
7 files changed, 195 insertions, 65 deletions
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml
index 069b13eacf..22a04c6c13 100644
--- a/lib/kernel/doc/src/file.xml
+++ b/lib/kernel/doc/src/file.xml
@@ -60,14 +60,6 @@
converted, why the Unicode mode for file names is not default on
systems having completely transparent file naming.</p>
- <note>
- <p>As of R14B01, the most basic file handling modules
- (<c>file</c>, <c>prim_file</c>, <c>filelib</c> and
- <c>filename</c>) accept raw file names, but the rest of OTP is not
- guaranteed to handle them, why Unicode file naming on systems
- where it is not default is still considered experimental.</p>
- </note>
-
<p>Raw file names is a new feature in OTP R14B01, which allows the
user to supply completely uninterpreted file names to the
underlying OS/filesystem. They are supplied as binaries, where it
@@ -504,7 +496,8 @@
<name name="list_dir" arity="1"/>
<fsummary>List files in a directory</fsummary>
<desc>
- <p>Lists all the files in a directory. Returns
+ <p>Lists all files in a directory, <b>except</b> files
+ with "raw" names. Returns
<c>{ok, <anno>Filenames</anno>}</c> if successful.
Otherwise, it returns <c>{error, <anno>Reason</anno>}</c>.
<c><anno>Filenames</anno></c> is a list of
@@ -525,6 +518,31 @@
</desc>
</func>
<func>
+ <name name="list_dir_all" arity="1"/>
+ <fsummary>List all files in a directory</fsummary>
+ <desc>
+ <p>Lists all the files in a directory, including files with
+ "raw" names.
+ Returns <c>{ok, <anno>Filenames</anno>}</c> if successful.
+ Otherwise, it returns <c>{error, <anno>Reason</anno>}</c>.
+ <c><anno>Filenames</anno></c> is a list of
+ the names of all the files in the directory. The names are
+ not sorted.</p>
+ <p>Typical error reasons are:</p>
+ <taglist>
+ <tag><c>eacces</c></tag>
+ <item>
+ <p>Missing search or write permissions for <c><anno>Dir</anno></c>
+ or one of its parent directories.</p>
+ </item>
+ <tag><c>enoent</c></tag>
+ <item>
+ <p>The directory does not exist.</p>
+ </item>
+ </taglist>
+ </desc>
+ </func>
+ <func>
<name name="make_dir" arity="1"/>
<fsummary>Make a directory</fsummary>
<desc>
@@ -1409,10 +1427,41 @@
<fsummary>See what a link is pointing to</fsummary>
<desc>
<p>This function returns <c>{ok, <anno>Filename</anno>}</c> if
+ <c><anno>Name</anno></c> refers to a symbolic link that is
+ not a "raw" file name, or <c>{error, <anno>Reason</anno>}</c>
+ otherwise.
+ On platforms that do not support symbolic links, the return
+ value will be <c>{error,enotsup}</c>.</p>
+ <p>Typical error reasons:</p>
+ <taglist>
+ <tag><c>einval</c></tag>
+ <item>
+ <p><c><anno>Name</anno></c> does not refer to a symbolic link
+ or the name of the file that it refers to does not conform
+ to the expected encoding.</p>
+ </item>
+ <tag><c>enoent</c></tag>
+ <item>
+ <p>The file does not exist.</p>
+ </item>
+ <tag><c>enotsup</c></tag>
+ <item>
+ <p>Symbolic links are not supported on this platform.</p>
+ </item>
+ </taglist>
+ </desc>
+ </func>
+ <func>
+ <name name="read_link_all" arity="1"/>
+ <fsummary>See what a link is pointing to</fsummary>
+ <desc>
+ <p>This function returns <c>{ok, <anno>Filename</anno>}</c> if
<c><anno>Name</anno></c> refers to a symbolic link or
<c>{error, <anno>Reason</anno>}</c> otherwise.
On platforms that do not support symbolic links, the return
value will be <c>{error,enotsup}</c>.</p>
+ <p>Note that <c><anno>Filename</anno></c> can be either a list
+ or a binary.</p>
<p>Typical error reasons:</p>
<taglist>
<tag><c>einval</c></tag>
diff --git a/lib/kernel/src/auth.erl b/lib/kernel/src/auth.erl
index 1e12a647d7..7d463103e3 100644
--- a/lib/kernel/src/auth.erl
+++ b/lib/kernel/src/auth.erl
@@ -391,7 +391,7 @@ create_cookie(Name) ->
{error,Reason} ->
{error,
lists:flatten(
- io_lib:format("Failed to create cookie file '~s': ~p", [Name, Reason]))}
+ io_lib:format("Failed to create cookie file '~ts': ~p", [Name, Reason]))}
end.
random_cookie(0, _, Result) ->
diff --git a/lib/kernel/src/file_server.erl b/lib/kernel/src/file_server.erl
index 73202319b9..6b413ff630 100644
--- a/lib/kernel/src/file_server.erl
+++ b/lib/kernel/src/file_server.erl
@@ -170,7 +170,7 @@ handle_call({read_link_info, Name, Opts}, _From, Handle) ->
handle_call({read_link, Name}, _From, Handle) ->
{reply, ?PRIM_FILE:read_link(Handle, Name), Handle};
handle_call({read_link_all, Name}, _From, Handle) ->
- {reply, ?PRIM_FILE:read_link(Handle, Name), Handle};
+ {reply, ?PRIM_FILE:read_link_all(Handle, Name), Handle};
handle_call({make_link, Old, New}, _From, Handle) ->
{reply, ?PRIM_FILE:make_link(Handle, Old, New), Handle};
diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl
index 06d404905d..e676ca997d 100644
--- a/lib/kernel/src/hipe_unified_loader.erl
+++ b/lib/kernel/src/hipe_unified_loader.erl
@@ -218,7 +218,7 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch) ->
{MFAs,Addresses} = exports(ExportMap, CodeAddress),
%% Remove references to old versions of the module.
ReferencesToPatch = get_refs_from(MFAs, []),
- remove_refs_from(MFAs),
+ ok = remove_refs_from(MFAs),
%% Patch all dynamic references in the code.
%% Function calls, Atoms, Constants, System calls
patch(Refs, CodeAddress, ConstMap2, Addresses, TrampolineMap),
@@ -802,7 +802,7 @@ patch_to_emu_step1(Mod) ->
%% Find all call sites that call these MFAs. As a side-effect,
%% create native stubs for any MFAs that are referred.
ReferencesToPatch = get_refs_from(MFAs, []),
- remove_refs_from(MFAs),
+ ok = remove_refs_from(MFAs),
ReferencesToPatch;
false ->
%% The first time we load the module, no redirection needs to be done.
@@ -846,11 +846,8 @@ get_refs_from(MFAs, []) ->
mark_referred_from(MFAs),
MFAs.
-mark_referred_from([MFA|MFAs]) ->
- hipe_bifs:mark_referred_from(MFA),
- mark_referred_from(MFAs);
-mark_referred_from([]) ->
- [].
+mark_referred_from(MFAs) ->
+ lists:foreach(fun(MFA) -> hipe_bifs:mark_referred_from(MFA) end, MFAs).
%%--------------------------------------------------------------------
%% Given a list of MFAs with referred_from references, update their
@@ -858,11 +855,8 @@ mark_referred_from([]) ->
%%
%% The {MFA,Refs} list must come from get_refs_from/2.
%%
-redirect([MFA|Rest]) ->
- hipe_bifs:redirect_referred_from(MFA),
- redirect(Rest);
-redirect([]) ->
- ok.
+redirect(MFAs) ->
+ lists:foreach(fun(MFA) -> hipe_bifs:redirect_referred_from(MFA) end, MFAs).
%%--------------------------------------------------------------------
%% Given a list of MFAs, remove all referred_from references having
@@ -874,11 +868,8 @@ redirect([]) ->
%% list. The refers_to list is used here to find the CalleeMFAs whose
%% referred_from lists should be updated.
%%
-remove_refs_from([CallerMFA|CallerMFAs]) ->
- hipe_bifs:remove_refs_from(CallerMFA),
- remove_refs_from(CallerMFAs);
-remove_refs_from([]) ->
- [].
+remove_refs_from(MFAs) ->
+ lists:foreach(fun(MFA) -> hipe_bifs:remove_refs_from(MFA) end, MFAs).
%%--------------------------------------------------------------------
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index 4c040f0a0e..79d11c155c 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -716,7 +716,7 @@ analyse([], [This={M,F,A}|Path], Visited, ErrCnt0) ->
%% These modules should be loaded by code.erl before
%% the code_server is started.
OK = [erlang, os, prim_file, erl_prim_loader, init, ets,
- code_server, lists, lists_sort, unicode, binary, filename, packages,
+ code_server, lists, lists_sort, unicode, binary, filename,
gb_sets, gb_trees, hipe_unified_loader, hipe_bifs,
prim_zip, zlib],
ErrCnt1 =
@@ -822,6 +822,10 @@ check_funs({'$M_EXPR','$F_EXPR',2},
check_funs({'$M_EXPR','$F_EXPR',1},
[{lists,foreach,2},
{hipe_unified_loader,patch_consts,3} | _]) -> 0;
+check_funs({'$M_EXPR','$F_EXPR',1},
+ [{lists,foreach,2},
+ {hipe_unified_loader,mark_referred_from,1},
+ {hipe_unified_loader,get_refs_from,2}| _]) -> 0;
check_funs({'$M_EXPR',warning_msg,2},
[{code_server,finish_on_load_report,2} | _]) -> 0;
%% This is cheating! /raimo
@@ -1590,7 +1594,7 @@ native_early_modules_1(Architecture) ->
?line true = lists:all(fun code:is_module_native/1,
[ets,file,filename,gb_sets,gb_trees,
%%hipe_unified_loader, no_native as workaround
- lists,os,packages]),
+ lists,os]),
ok
end.
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index fd4d5bd24e..a7993dc21b 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -46,6 +46,7 @@
read_write_file/1, names/1]).
-export([cur_dir_0/1, cur_dir_1/1, make_del_dir/1,
list_dir/1,list_dir_error/1,
+ untranslatable_names/1, untranslatable_names_error/1,
pos1/1, pos2/1]).
-export([close/1, consult1/1, path_consult/1, delete/1]).
-export([ eval1/1, path_eval/1, script1/1, path_script/1,
@@ -117,7 +118,8 @@ all() ->
groups() ->
[{dirs, [], [make_del_dir, cur_dir_0, cur_dir_1,
- list_dir, list_dir_error]},
+ list_dir, list_dir_error, untranslatable_names,
+ untranslatable_names_error]},
{files, [],
[{group, open}, {group, pos}, {group, file_info},
{group, consult}, {group, eval}, {group, script},
@@ -557,6 +559,112 @@ list_dir_1(TestDir, Cnt, Sorted0) ->
Sorted = lists:sort(DirList1),
list_dir_1(TestDir, Cnt-1, Sorted).
+untranslatable_names(Config) ->
+ case no_untranslatable_names() of
+ true ->
+ {skip,"Not a problem on this OS"};
+ false ->
+ untranslatable_names_1(Config)
+ end.
+
+untranslatable_names_1(Config) ->
+ {ok,OldCwd} = file:get_cwd(),
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:join(PrivDir, "untranslatable_names"),
+ ok = file:make_dir(Dir),
+ Node = start_node(untranslatable_names, "+fnu"),
+ try
+ ok = file:set_cwd(Dir),
+ [ok = file:write_file(F, F) || {_,F} <- untranslatable_names()],
+
+ ExpectedListDir0 = [unicode:characters_to_list(N, utf8) ||
+ {utf8,N} <- untranslatable_names()],
+ ExpectedListDir = lists:sort(ExpectedListDir0),
+ io:format("ExpectedListDir: ~p\n", [ExpectedListDir]),
+ ExpectedListDir = call_and_sort(Node, file, list_dir, [Dir]),
+
+ ExpectedListDirAll0 = [case Enc of
+ utf8 ->
+ unicode:characters_to_list(N, utf8);
+ latin1 ->
+ N
+ end || {Enc,N} <- untranslatable_names()],
+ ExpectedListDirAll = lists:sort(ExpectedListDirAll0),
+ io:format("ExpectedListDirAll: ~p\n", [ExpectedListDirAll]),
+ ExpectedListDirAll = call_and_sort(Node, file, list_dir_all, [Dir])
+ after
+ catch test_server:stop_node(Node),
+ file:set_cwd(OldCwd),
+ [file:delete(F) || {_,F} <- untranslatable_names()],
+ file:del_dir(Dir)
+ end,
+ ok.
+
+untranslatable_names_error(Config) ->
+ case no_untranslatable_names() of
+ true ->
+ {skip,"Not a problem on this OS"};
+ false ->
+ untranslatable_names_error_1(Config)
+ end.
+
+untranslatable_names_error_1(Config) ->
+ {ok,OldCwd} = file:get_cwd(),
+ PrivDir = ?config(priv_dir, Config),
+ Dir = filename:join(PrivDir, "untranslatable_names_error"),
+ ok = file:make_dir(Dir),
+ Node = start_node(untranslatable_names, "+fnue"),
+ try
+ ok = file:set_cwd(Dir),
+ [ok = file:write_file(F, F) || {_,F} <- untranslatable_names()],
+
+ ExpectedListDir0 = [unicode:characters_to_list(N, utf8) ||
+ {utf8,N} <- untranslatable_names()],
+ ExpectedListDir = lists:sort(ExpectedListDir0),
+ io:format("ExpectedListDir: ~p\n", [ExpectedListDir]),
+ {error,{no_translation,BadFile}} =
+ rpc:call(Node, file, list_dir, [Dir]),
+ true = lists:keymember(BadFile, 2, untranslatable_names())
+
+ after
+ catch test_server:stop_node(Node),
+ file:set_cwd(OldCwd),
+ [file:delete(F) || {_,F} <- untranslatable_names()],
+ file:del_dir(Dir)
+ end,
+ ok.
+
+untranslatable_names() ->
+ [{utf8,<<"abc">>},
+ {utf8,<<"def">>},
+ {utf8,<<"Lagerl",195,182,"f">>},
+ {utf8,<<195,150,"stra Emterwik">>},
+ {latin1,<<"M",229,"rbacka">>},
+ {latin1,<<"V",228,"rmland">>}].
+
+call_and_sort(Node, M, F, A) ->
+ {ok,Res} = rpc:call(Node, M, F, A),
+ lists:sort(Res).
+
+no_untranslatable_names() ->
+ case os:type() of
+ {unix,darwin} -> true;
+ {win32,_} -> true;
+ _ -> false
+ end.
+
+start_node(Name, Args) ->
+ [_,Host] = string:tokens(atom_to_list(node()), "@"),
+ ct:log("Trying to start ~w@~s~n", [Name,Host]),
+ case test_server:start_node(Name, peer, [{args,Args}]) of
+ {error,Reason} ->
+ test_server:fail(Reason);
+ {ok,Node} ->
+ ct:log("Node ~p started~n", [Node]),
+ Node
+ end.
+
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/kernel/test/file_name_SUITE.erl b/lib/kernel/test/file_name_SUITE.erl
index e8529db1dc..808a10ee27 100644
--- a/lib/kernel/test/file_name_SUITE.erl
+++ b/lib/kernel/test/file_name_SUITE.erl
@@ -340,9 +340,9 @@ check_icky(Mod) ->
?line true=(length("åäö") =:= 3),
?line UniMode = file:native_name_encoding() =/= latin1,
?line make_icky_dir(Mod),
- ?line {ok, L0} = Mod:list_dir("."),
+ {ok, L0} = Mod:list_dir_all("."),
?line L1 = lists:sort(L0),
- io:format("~p ~p~n",[L1,list(icky_dir())]),
+ io:format("~p~n~p~n~n",[L1,lists:sort(list(icky_dir()))]),
?line L1 = lists:sort(convlist(list(icky_dir()))),
?line {ok,D2} = Mod:get_cwd(),
?line true = is_list(D2),
@@ -357,7 +357,8 @@ check_icky(Mod) ->
?line Syms = [ {S,conv(Targ),list_to_binary(get_data(Targ,icky_dir()))}
|| {T,S,Targ} <- icky_dir(), T =:= symlink ],
?line [ {ok, Cont} = Mod:read_file(SymL) || {SymL,_,Cont} <- Syms ],
- ?line [ {ok, Targ} = fixlink(Mod:read_link(SymL)) || {SymL,Targ,_} <- Syms ],
+ [ {ok, Targ} = fixlink(Mod:read_link_all(SymL)) ||
+ {SymL,Targ,_} <- Syms ],
?line chk_cre_dir(Mod,[{directory,"åäö_dir",icky_dir()}]),
?line {ok,BeginAt} = Mod:get_cwd(),
?line true = is_list(BeginAt),
@@ -369,7 +370,7 @@ check_icky(Mod) ->
?line ok = Mod:set_cwd(".."),
?line {ok,BeginAt} = Mod:get_cwd(),
?line rm_r2(Mod,"åäö_dir"),
- {OS,TYPE} = os:type(),
+ {OS,_} = os:type(),
% Check that treat_icky really converts to the same as the OS
case UniMode of
true ->
@@ -377,7 +378,7 @@ check_icky(Mod) ->
?line ok = Mod:set_cwd("åäö_dir"),
?line ok = Mod:write_file(<<"ååå">>,<<"hello">>),
?line Treated = treat_icky(<<"ååå">>),
- ?line {ok,[Treated]} = Mod:list_dir("."),
+ {ok,[Treated]} = Mod:list_dir_all("."),
?line ok = Mod:delete(<<"ååå">>),
?line {ok,[]} = Mod:list_dir("."),
?line ok = Mod:set_cwd(".."),
@@ -393,15 +394,7 @@ check_icky(Mod) ->
true ->
ok
end,
- ?line ok = Mod:set_cwd(treat_icky(<<"åäö_dir">>)),
- ?line {ok, NowAt2} = Mod:get_cwd(),
- io:format("~p~n",[NowAt2]),
- % Cannot create raw unicode-breaking filenames on windows or macos
- ?line true = ((((not UniMode) or (OS =:= win32) or (TYPE=:=darwin)) and is_list(NowAt2)) orelse ((UniMode) and is_binary(NowAt2))),
- ?line true = BeginAt =/= NowAt2,
- ?line ok = Mod:set_cwd(".."),
?line {ok,BeginAt} = Mod:get_cwd(),
- ?line rm_r2(Mod,conv(treat_icky(<<"åäö_dir">>))),
case has_links() of
true ->
?line ok = Mod:make_link("fil1","nisseö"),
@@ -485,7 +478,7 @@ check_very_icky(Mod) ->
ok
end,
?line make_very_icky_dir(Mod),
- ?line {ok, L0} = Mod:list_dir("."),
+ {ok, L0} = Mod:list_dir_all("."),
?line L1 = lists:sort(L0),
?line L1 = lists:sort(convlist(list(very_icky_dir()))),
?line {ok,D2} = Mod:get_cwd(),
@@ -494,7 +487,8 @@ check_very_icky(Mod) ->
?line Syms = [ {S,conv(Targ),list_to_binary(get_data(Targ,very_icky_dir()))}
|| {T,S,Targ} <- very_icky_dir(), T =:= symlink ],
?line [ {ok, Cont} = Mod:read_file(SymL) || {SymL,_,Cont} <- Syms ],
- ?line [ {ok, Targ} = fixlink(Mod:read_link(SymL)) || {SymL,Targ,_} <- Syms ],
+ ?line [ {ok, Targ} = fixlink(Mod:read_link_all(SymL)) ||
+ {SymL,Targ,_} <- Syms ],
?line chk_cre_dir(Mod,[{directory,[1088,1079,1091]++"_dir",very_icky_dir()}]),
?line {ok,BeginAt} = Mod:get_cwd(),
?line true = is_list(BeginAt),
@@ -559,22 +553,6 @@ check_very_icky(Mod) ->
FI#file_info{mode = NewMode2}),
?line {ok,#file_info{mode = NewMode2}} =
Mod:read_file_info([956,965,963,954,959,49]),
- ?line NumOK0 = case has_links() of
- true -> 5;
- false -> 3
- end,
- ?line NumNOK0 = case has_links() of
- true -> 4;
- false -> 3
- end,
- ?line {NumOK,NumNOK} = case is_binary(treat_icky(<<"foo">>)) of
- false ->
- {NumOK0+NumNOK0,0};
- true ->
- {NumOK0,NumNOK0}
- end,
- ?line {NumOK,NumNOK} = filelib:fold_files(".",".*",true,fun(_F,{N,M}) when is_list(_F) -> io:format("~ts~n",[_F]),{N+1,M}; (_F,{N,M}) -> io:format("~p~n",[_F]),{N,M+1} end,{0,0}),
- ?line ok = filelib:fold_files(".",[1076,1089,1072,124,46,42],true,fun(_F,_) -> ok end,false),
ok
catch
throw:need_unicode_mode ->
@@ -593,7 +571,7 @@ check_very_icky(Mod) ->
rm_rf(Mod,Dir) ->
case Mod:read_link_info(Dir) of
{ok, #file_info{type = directory}} ->
- {ok, Content} = Mod:list_dir(Dir),
+ {ok, Content} = Mod:list_dir_all(Dir),
[ rm_rf(Mod,filename:join(Dir,C)) || C <- Content ],
Mod:del_dir(Dir),
ok;
@@ -608,7 +586,7 @@ rm_r(Mod,Dir) ->
case Mod:read_link_info(Dir) of
{ok, #file_info{type = directory}} ->
{ok,#file_info{type = directory}} = Mod:read_file_info(Dir),
- {ok, Content} = Mod:list_dir(Dir),
+ {ok, Content} = Mod:list_dir_all(Dir),
[ true = is_list(Part) || Part <- Content ],
[ true = is_list(filename:join(Dir,Part)) || Part <- Content ],
[ rm_r(Mod,filename:join(Dir,C)) || C <- Content ],
@@ -626,7 +604,7 @@ rm_r2(Mod,Dir) ->
case Mod:read_link_info(Dir) of
{ok, #file_info{type = directory}} ->
{ok,#file_info{type = directory}} = Mod:read_file_info(Dir),
- {ok, Content} = Mod:list_dir(Dir),
+ {ok, Content} = Mod:list_dir_all(Dir),
UniMode = file:native_name_encoding() =/= latin1,
[ true = (is_list(Part) orelse UniMode) || Part <- Content ],
[ true = (is_list(filename:join(Dir,Part)) orelse UniMode) || Part <- Content ],