-module(file_name_SUITE). %% %% %CopyrightBegin% %% %% Copyright Ericsson AB 1996-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. %% You may obtain a copy of the License at %% %% http://www.apache.org/licenses/LICENSE-2.0 %% %% Unless required by applicable law or agreed to in writing, software %% distributed under the License is distributed on an "AS IS" BASIS, %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %% See the License for the specific language governing permissions and %% limitations under the License. %% %% %CopyrightEnd% %% -include_lib("common_test/include/ct.hrl"). -include_lib("kernel/include/file.hrl"). %% %% File operations that take filenames as parameters (* not prim_file operation) (** a drive): %% altname %% copy (*) %% del_dir %% delete %% get_cwd (**) %% list_dir %% make_dir %% make_link %% make_symlink %% open %% read_file %% read_file_info %% read_link %% read_link_info %% rename %% set_cwd %% write_file %% write_file_info %% %% File operations that opens/uses separate driver port (not connected to file) %% altname %% del_dir %% delete %% get_cwd %% list_dir %% make_dir %% make_link %% make_symlink %% read_file_info %% read_link %% read_link_info %% rename %% set_cwd %% write_file_info %% %% Operations that use ?FD_DRV in prim_file %% open %% read_file %% write_file %% %% %% Operations that return a filename/path %% altname %% get_cwd %% list_dir %% read_link -export([all/0,groups/0,suite/0, init_per_suite/1,end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2, end_per_testcase/2]). -export([normal/1,icky/1,very_icky/1,normalize/1,home_dir/1]). -define(PRIM_FILE, prim_file). init_per_testcase(_Func, Config) -> Config. end_per_testcase(_Func, _Config) -> ok. suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap,{minutes,1}}]. all() -> [normal, icky, very_icky, normalize, home_dir]. groups() -> []. init_per_suite(Config) -> Config. end_per_suite(_Config) -> ok. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. %% Check that Erlang can be started with unicode named home directory. home_dir(Config) when is_list(Config) -> try Name=[960,945,964,961,953,954], Priv = proplists:get_value(priv_dir, Config), UniMode = file:native_name_encoding() =/= latin1, if not UniMode -> throw(need_unicode_mode); true -> ok end, NewHome=filename:join(Priv,Name), file:make_dir(NewHome), {SaveOldName,SaveOldValue} = case os:type() of {win32,nt} -> HomePath=re:replace(filename:nativename(NewHome),"^[a-zA-Z]:","",[{return,list},unicode]), Save = os:getenv("HOMEPATH"), os:putenv("HOMEPATH",HomePath), {"HOMEPATH",Save}; {unix,_} -> Save = os:getenv("HOME"), os:putenv("HOME",NewHome), {"HOME",Save}; _ -> rm_rf(?PRIM_FILE,NewHome), throw(unsupported_os) end, try {ok,Node} = test_server:start_node(test_unicode_homedir,slave,[{args,"-setcookie "++atom_to_list(erlang:get_cookie())}]), test_server:stop_node(Node), ok after case SaveOldValue of false -> os:unsetenv(SaveOldName); _ -> os:putenv(SaveOldName,SaveOldValue) end, rm_rf(?PRIM_FILE,NewHome) end catch throw:need_unicode_mode -> io:format("Sorry, can only run in unicode mode.~n"), {skipped,"VM needs to be started in Unicode filename mode"}; throw:unsupported_os -> io:format("Sorry, can only run on Unix/Windows.~n"), {skipped,"Runs only on Unix/Windows"} end. %% Check that filename normalization works. normalize(Config) when is_list(Config) -> rand:seed(exsplus, {1290,431421,830412}), try UniMode = file:native_name_encoding() =/= latin1, if not UniMode -> throw(need_unicode_mode); true -> ok end, Pairs = [rand_comp_decomp(200) || _ <- lists:seq(1,1000)], case os:type() of {unix,darwin} -> [ true = (A =:= prim_file:internal_native2name(B)) || {A,B} <- Pairs ]; _ -> ok end, [ true = (A =:= prim_file:internal_normalize_utf8(B)) || {A,B} <- Pairs ] catch throw:need_unicode_mode -> io:format("Sorry, can only run in unicode mode.~n"), {skipped,"VM needs to be started in Unicode filename mode"} end. %% Check file operations on normal file names regardless of unicode mode. normal(Config) when is_list(Config) -> {ok,Dir} = file:get_cwd(), try Priv = proplists:get_value(priv_dir, Config), file:set_cwd(Priv), ok = check_normal(?PRIM_FILE), ok = check_normal(file), %% If all is good, delete dir again (avoid hanging dir on windows) rm_rf(file,"normal_dir"), ok after file:set_cwd(Dir) end. %% Check file operations on normal file names regardless of unicode mode. icky(Config) when is_list(Config) -> case hopeless_darwin() of true -> {skipped,"This version of darwin does not support icky names at all."}; false -> {ok,Dir} = file:get_cwd(), try Priv = proplists:get_value(priv_dir, Config), file:set_cwd(Priv), ok = check_icky(?PRIM_FILE), ok = check_icky(file), %% If all is good, delete dir again (avoid hanging dir on windows) rm_rf(file,"icky_dir"), ok after file:set_cwd(Dir) end end. %% Check file operations on normal file names regardless of unicode mode. very_icky(Config) when is_list(Config) -> case hopeless_darwin() of true -> {skipped,"This version of darwin does not support icky names at all."}; false -> {ok,Dir} = file:get_cwd(), try Priv = proplists:get_value(priv_dir, Config), file:set_cwd(Priv), case check_very_icky(?PRIM_FILE) of need_unicode_mode -> {skipped,"VM needs to be started in Unicode filename mode"}; ok -> ok = check_very_icky(file), %% If all is good, delete dir again %% (avoid hanging dir on windows) rm_rf(file,"very_icky_dir"), ok end after file:set_cwd(Dir) end end. check_normal(Mod) -> {ok,Dir} = Mod:get_cwd(), try NormalDir = make_normal_dir(Mod, "normal_dir"), io:format("Normaldir = ~p\n", [NormalDir]), L1 = lists:sort(list(NormalDir)), {ok, L0} = Mod:list_dir("."), io:format("L0 = ~p\n", [L0]), L1 = lists:sort(L0), {ok,D2} = Mod:get_cwd(), true = is_list(D2), case Mod:altname("fil1") of {error,enotsup} -> ok; {ok,LLL} when is_list(LLL) -> ok end, [ true = is_list(El) || El <- L1], Syms = [ {S,Targ,list_to_binary(get_data(Targ, NormalDir))} || {T,S,Targ} <- NormalDir, T =:= symlink ], [ {ok, Cont} = Mod:read_file(SymL) || {SymL,_,Cont} <- Syms ], [ {ok, Targ} = fixlink(Mod:read_link(SymL)) || {SymL,Targ,_} <- Syms ], {ok,BeginAt} = Mod:get_cwd(), true = is_list(BeginAt), TempDir = "temp_dir", make_normal_dir(Mod, TempDir), {error,enoent} = Mod:set_cwd("tmp_dir"), {ok, NowAt} = Mod:get_cwd(), true = BeginAt =/= NowAt, ok = Mod:set_cwd(".."), {ok,BeginAt} = Mod:get_cwd(), rm_r(Mod, TempDir), true = is_list(Dir), [ true = is_list(FN) || FN <- L0 ], case Mod:make_link("fil1","nisse") of ok -> {ok, <<"fil1">>} = Mod:read_file("nisse"), {ok, #file_info{type = regular}} = Mod:read_link_info("nisse"), ok = Mod:delete("nisse"), {ok, <<"fil1">>} = Mod:read_file("fil1"), {error,enoent} = Mod:read_file("nisse"), {error,enoent} = Mod:read_link_info("nisse"); {error,enotsup} -> ok end, [ begin {ok, FD} = Mod:open(Name,[read,binary]), BC = list_to_binary(Content), {ok, BC} = Mod:read(FD,1024), ok = file:close(FD) end || {regular,Name,Content} <- NormalDir ], {error, badarg} = Mod:rename("fil1\0tmp_fil2","tmp_fil1"), Mod:rename("fil1","tmp_fil1"), {error, badarg} = Mod:read_file("tmp_fil1\0.txt"), {ok, <<"fil1">>} = Mod:read_file("tmp_fil1"), {error,enoent} = Mod:read_file("fil1"), Mod:rename("tmp_fil1","fil1"), {ok, <<"fil1">>} = Mod:read_file("fil1"), {error,enoent} = Mod:read_file("tmp_fil1"), {ok,FI} = Mod:read_file_info("fil1"), NewMode = FI#file_info.mode band (bnot 8#333), NewMode2 = NewMode bor 8#222, true = NewMode2 =/= NewMode, ok = Mod:write_file_info("fil1",FI#file_info{mode = NewMode}), {ok,#file_info{mode = NewMode}} = Mod:read_file_info("fil1"), ok = Mod:write_file_info("fil1",FI#file_info{mode = NewMode2}), {ok,#file_info{mode = NewMode2}} = Mod:read_file_info("fil1"), ok after case Mod:read_file_info("fil1") of {ok,FII} -> NewModeI = FII#file_info.mode bor 8#777, Mod:write_file_info("fil1",FII#file_info{mode = NewModeI}); _ -> ok end, Mod:set_cwd(Dir), io:format("Wd now: ~s~n",[Dir]) end. check_icky(Mod) -> {ok,Dir} = Mod:get_cwd(), try true=(length("åäö") =:= 3), UniMode = file:native_name_encoding() =/= latin1, IckyDir = make_icky_dir(Mod, "icky_dir"), {ok, L0} = Mod:list_dir_all("."), L1 = lists:sort(L0), io:format("~p~n~p~n~n",[L1,lists:sort(list(IckyDir))]), L1 = lists:sort(convlist(list(IckyDir))), {ok,D2} = Mod:get_cwd(), true = is_list(D2), %% Altname only on windows, and there are no non native filenames there %% case Mod:altname("fil1") of %% {error,enotsup} -> %% ok; %% {ok,LLL} when is_list(LLL) -> %% ok %% end, [ true = ((is_list(El) or (UniMode and is_binary(El)))) || El <- L1], Syms = [ {S,conv(Targ),list_to_binary(get_data(Targ,IckyDir))} || {T,S,Targ} <- IckyDir, T =:= symlink ], [ {ok, Cont} = Mod:read_file(SymL) || {SymL,_,Cont} <- Syms ], [ {ok, Targ} = fixlink(Mod:read_link_all(SymL)) || {SymL,Targ,_} <- Syms ], {ok,BeginAt} = Mod:get_cwd(), true = is_list(BeginAt), _ = make_icky_dir(Mod, "åäö_dir"), {error,enoent} = Mod:set_cwd("åä_dir"), {ok, NowAt} = Mod:get_cwd(), true = is_list(NowAt), true = BeginAt =/= NowAt, ok = Mod:set_cwd(".."), {ok,BeginAt} = Mod:get_cwd(), rm_r2(Mod,"åäö_dir"), {OS,_} = os:type(), %% Check that treat_icky really converts to the same as the OS case UniMode of true -> ok = Mod:make_dir("åäö_dir"), ok = Mod:set_cwd("åäö_dir"), ok = Mod:write_file(<<"ååå">>,<<"hello">>), Treated = treat_icky(<<"ååå">>), {ok,[Treated]} = Mod:list_dir_all("."), ok = Mod:delete(<<"ååå">>), {ok,[]} = Mod:list_dir("."), ok = Mod:set_cwd(".."), rm_r2(Mod,"åäö_dir"); false -> ok end, _ = make_icky_dir(Mod, treat_icky(<<"åäö_dir"/utf8>>)), if UniMode and (OS =/= win32) -> {error,enoent} = Mod:set_cwd("åäö_dir"); true -> ok end, ok = Mod:set_cwd(".."), {ok,BeginAt} = Mod:get_cwd(), case Mod:make_link("fil1", "nisseö") of ok -> {ok, <<"fil1">>} = Mod:read_file("nisseö"), {ok, #file_info{type = regular}} = Mod:read_link_info("nisseö"), ok = Mod:delete("nisseö"), ok = Mod:make_link("fil1",treat_icky(<<"nisseö">>)), {ok, <<"fil1">>} = Mod:read_file(treat_icky(<<"nisseö">>)), {ok, #file_info{type = regular}} = Mod:read_link_info(treat_icky(<<"nisseö">>)), ok = Mod:delete(treat_icky(<<"nisseö">>)), {ok, <<"fil1">>} = Mod:read_file("fil1"), {error,enoent} = Mod:read_file("nisseö"), {error,enoent} = Mod:read_link_info("nisseö"), {error,enoent} = Mod:read_file(treat_icky(<<"nisseö">>)), {error,enoent} = Mod:read_link_info(treat_icky(<<"nisseö">>)); {error,enotsup} -> ok end, [ begin {ok, FD} = Mod:open(Name,[read,binary]), BC = list_to_binary([Content]), {ok, BC} = Mod:read(FD,1024), ok = file:close(FD) end || {regular,Name,Content} <- IckyDir ], Mod:rename("åäö2","åäö_fil1"), {ok, <<"åäö2">>} = Mod:read_file("åäö_fil1"), {error,enoent} = Mod:read_file("åäö2"), Mod:rename("åäö_fil1","åäö2"), {ok, <<"åäö2">>} = Mod:read_file("åäö2"), {error,enoent} = Mod:read_file("åäö_fil1"), Mod:rename("åäö2",treat_icky(<<"åäö_fil1">>)), {ok, <<"åäö2">>} = Mod:read_file(treat_icky(<<"åäö_fil1">>)), if UniMode and (OS =/= win32) -> {error,enoent} = Mod:read_file("åäö_fil1"); true -> ok end, {error,enoent} = Mod:read_file("åäö2"), Mod:rename(treat_icky(<<"åäö_fil1">>),"åäö2"), {ok, <<"åäö2">>} = Mod:read_file("åäö2"), {error,enoent} = Mod:read_file("åäö_fil1"), {error,enoent} = Mod:read_file(treat_icky(<<"åäö_fil1">>)), {ok,FI} = Mod:read_file_info("åäö2"), NewMode = FI#file_info.mode band (bnot 8#333), NewMode2 = NewMode bor 8#222, true = NewMode2 =/= NewMode, ok = Mod:write_file_info("åäö2",FI#file_info{mode = NewMode}), {ok,#file_info{mode = NewMode}} = Mod:read_file_info("åäö2"), ok = Mod:write_file_info("åäö2",FI#file_info{mode = NewMode2}), {ok,#file_info{mode = NewMode2}} = Mod:read_file_info("åäö2"), {ok,FII} = Mod:read_file_info(treat_icky(<<"åäö5">>)), true = NewMode2 =/= NewMode, ok = Mod:write_file_info(treat_icky(<<"åäö5">>),FII#file_info{mode = NewMode}), {ok,#file_info{mode = NewMode}} = Mod:read_file_info(treat_icky(<<"åäö5">>)), ok = Mod:write_file_info(<<"åäö5">>,FII#file_info{mode = NewMode2}), {ok,#file_info{mode = NewMode2}} = Mod:read_file_info(treat_icky(<<"åäö5">>)), ok after Mod:set_cwd(Dir), io:format("Wd now: ~s~n",[Dir]) end. check_very_icky(Mod) -> {ok,Dir} = Mod:get_cwd(), try true=(length("åäö") =:= 3), UniMode = file:native_name_encoding() =/= latin1, if not UniMode -> throw(need_unicode_mode); true -> ok end, VeryIckyDir = make_very_icky_dir(Mod, "very_icky_dir"), Expected = lists:sort(convlist(list(VeryIckyDir))), {ok, Actual} = Mod:list_dir_all("."), Expected = lists:sort(Actual), {ok,D2} = Mod:get_cwd(), true = is_list(D2), [ true = ((is_list(El) or is_binary(El))) || El <- Expected], Syms = [{S,conv(Targ),list_to_binary(get_data(Targ, VeryIckyDir))} || {symlink,S,Targ} <- VeryIckyDir], [ {ok, Cont} = Mod:read_file(SymL) || {SymL,_,Cont} <- Syms ], [ {ok, Targ} = fixlink(Mod:read_link_all(SymL)) || {SymL,Targ,_} <- Syms ], {ok,BeginAt} = Mod:get_cwd(), OtherDir = [1088,1079,1091] ++ "_dir", true = is_list(BeginAt), make_very_icky_dir(Mod, OtherDir), {error,enoent} = Mod:set_cwd("åä_dir"), {ok, NowAt} = Mod:get_cwd(), true = is_list(NowAt), true = BeginAt =/= NowAt, ok = Mod:set_cwd(".."), {ok,BeginAt} = Mod:get_cwd(), rm_r2(Mod, OtherDir), case Mod:make_link("fil1","nisse"++[1088,1079,1091]) of ok -> {ok, <<"fil1">>} = Mod:read_file("nisse"++[1088,1079,1091]), {ok, #file_info{type = regular}} = Mod:read_link_info("nisse"++[1088,1079,1091]), ok = Mod:delete("nisse"++[1088,1079,1091]), ok = Mod:make_link("fil1",<<"nisseö">>), {ok, <<"fil1">>} = Mod:read_file(<<"nisseö">>), {ok, #file_info{type = regular}} = Mod:read_link_info(<<"nisseö">>), ok = Mod:delete(<<"nisseö">>), {ok, <<"fil1">>} = Mod:read_file("fil1"), {error,enoent} = Mod:read_file("nisse"++[1088,1079,1091]), {error,enoent} = Mod:read_link_info("nisse"++[1088,1079,1091]), {error,enoent} = Mod:read_file(<<"nisseö">>), {error,enoent} = Mod:read_link_info(<<"nisseö">>); {error,enotsup} -> ok end, [ begin {ok, FD} = Mod:open(Name,[read,binary]), BC = list_to_binary([Content]), {ok, BC} = Mod:read(FD,1024), ok = file:close(FD) end || {regular,Name,Content} <- VeryIckyDir ], Mod:rename([956,965,963,954,959,49], [956,965,963,954,959]++"_fil1"), {ok, <<"åäö2">>} = Mod:read_file([956,965,963,954,959]++"_fil1"), {error,enoent} = Mod:read_file([956,965,963,954,959,49]), Mod:rename([956,965,963,954,959]++"_fil1",[956,965,963,954,959,49]), {ok, <<"åäö2">>} = Mod:read_file([956,965,963,954,959,49]), {error,enoent} = Mod:read_file([956,965,963,954,959]++"_fil1"), {ok,FI} = Mod:read_file_info([956,965,963,954,959,49]), NewMode = FI#file_info.mode band (bnot 8#333), NewMode2 = NewMode bor 8#222, true = NewMode2 =/= NewMode, ok = Mod:write_file_info([956,965,963,954,959,49], FI#file_info{mode = NewMode}), {ok,#file_info{mode = NewMode}} = Mod:read_file_info([956,965,963,954,959,49]), ok = Mod:write_file_info([956,965,963,954,959,49], FI#file_info{mode = NewMode2}), {ok,#file_info{mode = NewMode2}} = Mod:read_file_info([956,965,963,954,959,49]), ok catch throw:need_unicode_mode -> io:format("Sorry, can only run in unicode mode.~n"), need_unicode_mode after Mod:set_cwd(Dir), io:format("Wd now: ~s~n",[Dir]) end. %% %% Utilities %% rm_rf(Mod,Dir) -> case Mod:read_link_info(Dir) of {ok, #file_info{type = directory}} -> {ok, Content} = Mod:list_dir_all(Dir), [ rm_rf(Mod,filename:join(Dir,C)) || C <- Content ], Mod:del_dir(Dir), ok; {ok, #file_info{}} -> Mod:delete(Dir); _ -> ok end. 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_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 ], ok = Mod:del_dir(Dir), ok; {ok, #file_info{type = regular}} -> {ok,#file_info{type = regular}} = Mod:read_file_info(Dir), ok = Mod:delete(Dir); {ok, #file_info{type = symlink}} -> ok = Mod:delete(Dir) end. %% For icky test, allow binaries sometimes rm_r2(Mod,Dir) -> %% erlang:display({rm_r2,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_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 ], [ rm_r2(Mod,filename:join(Dir,C)) || C <- Content ], ok = Mod:del_dir(Dir), ok; {ok, #file_info{type = regular}} -> {ok,#file_info{type = regular}} = Mod:read_file_info(Dir), ok = Mod:delete(Dir); {ok, #file_info{type = symlink}} -> ok = Mod:delete(Dir) end. make_normal_dir(Mod, DirName) -> Dir = [{regular,"fil1","fil1"}, {regular,"fil2","fil2"}, {hardlink,"fil3","fil2"}, {symlink,"fil4","fil2"}, {directory,"subdir", [{regular,"subfil1","subfil1"}]}], rm_rf(Mod, DirName), Mod:make_dir(DirName), Mod:set_cwd(DirName), make_dir_contents(Dir, Mod). make_icky_dir(Mod, IckyDirName) -> Icky = [{regular,"fil1","fil1"}, {regular,"åäö2","åäö2"}, {hardlink,"åäö3","åäö2"}, {symlink,"åäö4","åäö2"}, {regular,treat_icky(<<"åäö5">>),"åäö5"}, {symlink,treat_icky(<<"åäö6">>),treat_icky(<<"åäö5">>)}, {directory,treat_icky(<<"åäösubdir2">>), [{regular,treat_icky(<<"åäösubfil2">>),"åäösubfil12"}, {regular,"åäösubfil3","åäösubfil13"}]}, {directory,"åäösubdir", [{regular,"åäösubfil1","åäösubfil1"}]}], rm_rf(Mod, IckyDirName), ok = Mod:make_dir(IckyDirName), ok = Mod:set_cwd(IckyDirName), make_dir_contents(Icky, Mod). hopeless_darwin() -> case {os:type(),os:version()} of {{unix,darwin},{Major,_,_}} when Major < 9 -> true; _ -> false end. make_very_icky_dir(Mod, DirName) -> Desc = [{regular,"fil1","fil1"}, {regular,[956,965,963,954,959,49],"åäö2"}, {hardlink,[956,965,963,954,959,50], [956,965,963,954,959,49], "åäö2"}, {symlink,[956,965,963,954,959,51],[956,965,963,954,959,49]}, {regular,treat_icky(<<"åäö5">>),"åäö5"}, {symlink,treat_icky(<<"åäö6">>),treat_icky(<<"åäö5">>)}, {directory,treat_icky(<<"åäösubdir2">>), [{regular,treat_icky(<<"åäösubfil2">>),"åäösubfil12"}, {regular,"åäösubfil3","åäösubfil13"}]}, {directory,[956,965,963,954,959]++"subdir1", [{regular,[956,965,963,954,959]++"subfil1","åäösubfil1"}]}], rm_rf(Mod, DirName), ok = Mod:make_dir(DirName), ok = Mod:set_cwd(DirName), make_dir_contents(Desc, Mod). %% Some OS'es simply do not allow non UTF8 filenames treat_icky(Bin) -> case os:type() of {unix,darwin} -> binary_to_list(procentify(Bin)); {win32,_} -> binary_to_list(Bin); _ -> Bin end. %% Handle windows having absolute soft link targets. fixlink({ok,Link}) -> case os:type() of {win32,_} -> {ok,filename:basename(Link)}; _ -> {ok,Link} end; fixlink(X) -> X. procentify(<<>>) -> <<>>; procentify(<>) when X > 127 -> T=procentify(Rst), Y = list_to_binary([$% | io_lib:format("~2.16B",[X])]), <>; procentify(<>) -> T=procentify(Rst), <>. list([]) -> []; list([{_,Name,_} | T]) -> [Name | list(T)]. get_data(FN,List) -> case lists:keysearch(FN,2,List) of {value,{regular,FN,C}} -> C; {value,{symlink,FN,NewFN}} -> get_data(NewFN,List); _-> [] end. convlist(L) -> convlist(file:native_name_encoding(),L). convlist(latin1,[Bin|T]) when is_binary(Bin) -> %% erlang:display('Convert...'), [binary_to_list(Bin)| convlist(latin1,T)]; convlist(Any,[H|T]) -> [H|convlist(Any,T)]; convlist(_,[]) -> []. conv(L) -> NoUniMode = file:native_name_encoding() =:= latin1, if NoUniMode, is_binary(L) -> binary_to_list(L); true -> L end. make_dir_contents([{regular,Name,Contents}=H|T], Mod) -> ok = Mod:write_file(Name, Contents), [H|make_dir_contents(T, Mod)]; make_dir_contents([{hardlink,Target,Name}|T], Mod) -> case Mod:make_link(Name, Target) of ok -> [{regular,Target,Name}|make_dir_contents(T, Mod)]; {error,enotsup} -> make_dir_contents(T, Mod) end; make_dir_contents([{hardlink,Target,Name,Contents}|T], Mod) -> case Mod:make_link(Name, Target) of ok -> [{regular,Target,Contents}|make_dir_contents(T, Mod)]; {error,enotsup} -> make_dir_contents(T, Mod) end; make_dir_contents([{symlink,Target,Name}=H|T], Mod) -> case Mod:make_symlink(Name, Target) of ok -> [H|make_dir_contents(T, Mod)]; {error,enotsup} -> make_dir_contents(T, Mod); {error,eperm} -> make_dir_contents(T, Mod) end; make_dir_contents([{directory,Dir,C0}|T], Mod) -> ok = Mod:make_dir(Dir), C1 = [case Op of Link when Link =:= hardlink; Link =:= symlink -> {Op,filename:join(Dir, Name0),filename:join(Dir, Extra)}; _ -> {Op,filename:join(Dir, Name0),Extra} end || {Op,Name0,Extra} <- C0], C2 = make_dir_contents(C1, Mod), C = [{Op,filename:basename(Name0),Extra} || {Op,Name0,Extra} <- C2], [{directory,Dir,C}|make_dir_contents(T, Mod)]; make_dir_contents([], _Mod) -> []. rand_comp_decomp(Max) -> N = rand:uniform(Max), L = [ rand_decomp() || _ <- lists:seq(1,N) ], LC = [ A || {A,_} <- L], LD = lists:flatten([B || {_,B} <- L]), LB = unicode:characters_to_binary(LD,unicode,utf8), {LC,LB}. rand_decomp() -> BT = bigtup(), SZ = tuple_size(BT), element(rand:uniform(SZ),BT). bigtup() -> {{192,[65,768]}, {200,[69,768]}, {204,[73,768]}, {210,[79,768]}, {217,[85,768]}, {7808,[87,768]}, {7922,[89,768]}, {224,[97,768]}, {232,[101,768]}, {236,[105,768]}, {242,[111,768]}, {249,[117,768]}, {7809,[119,768]}, {7923,[121,768]}, {8173,[168,768]}, {7846,[65,770,768]}, {7872,[69,770,768]}, {7890,[79,770,768]}, {7847,[97,770,768]}, {7873,[101,770,768]}, {7891,[111,770,768]}, {7700,[69,772,768]}, {7760,[79,772,768]}, {7701,[101,772,768]}, {7761,[111,772,768]}, {7856,[65,774,768]}, {7857,[97,774,768]}, {475,[85,776,768]}, {476,[117,776,768]}, {8146,[953,776,768]}, {8162,[965,776,768]}, {8074,[913,837,787,768]}, {8090,[919,837,787,768]}, {8106,[937,837,787,768]}, {8066,[945,837,787,768]}, {8082,[951,837,787,768]}, {8098,[969,837,787,768]}, {7946,[913,787,768]}, {7962,[917,787,768]}, {7978,[919,787,768]}, {7994,[921,787,768]}, {8010,[927,787,768]}, {8042,[937,787,768]}, {7938,[945,787,768]}, {7954,[949,787,768]}, {7970,[951,787,768]}, {7986,[953,787,768]}, {8002,[959,787,768]}, {8018,[965,787,768]}, {8034,[969,787,768]}, {8075,[913,837,788,768]}, {8091,[919,837,788,768]}, {8107,[937,837,788,768]}, {8067,[945,837,788,768]}, {8083,[951,837,788,768]}, {8099,[969,837,788,768]}, {7947,[913,788,768]}, {7963,[917,788,768]}, {7979,[919,788,768]}, {7995,[921,788,768]}, {8011,[927,788,768]}, {8027,[933,788,768]}, {8043,[937,788,768]}, {7939,[945,788,768]}, {7955,[949,788,768]}, {7971,[951,788,768]}, {7987,[953,788,768]}, {8003,[959,788,768]}, {8019,[965,788,768]}, {8035,[969,788,768]}, {7900,[79,795,768]}, {7914,[85,795,768]}, {7901,[111,795,768]}, {7915,[117,795,768]}, {8114,[945,837,768]}, {8130,[951,837,768]}, {8178,[969,837,768]}, {8122,[913,768]}, {8136,[917,768]}, {8138,[919,768]}, {8154,[921,768]}, {8184,[927,768]}, {8170,[933,768]}, {8186,[937,768]}, {8048,[945,768]}, {8050,[949,768]}, {8052,[951,768]}, {8054,[953,768]}, {8056,[959,768]}, {8058,[965,768]}, {8060,[969,768]}, {8141,[8127,768]}, {8157,[8190,768]}, {193,[65,769]}, {262,[67,769]}, {201,[69,769]}, {500,[71,769]}, {205,[73,769]}, {7728,[75,769]}, {313,[76,769]}, {7742,[77,769]}, {323,[78,769]}, {211,[79,769]}, {7764,[80,769]}, {340,[82,769]}, {346,[83,769]}, {218,[85,769]}, {7810,[87,769]}, {221,[89,769]}, {377,[90,769]}, {225,[97,769]}, {263,[99,769]}, {233,[101,769]}, {501,[103,769]}, {237,[105,769]}, {7729,[107,769]}, {314,[108,769]}, {7743,[109,769]}, {324,[110,769]}, {243,[111,769]}, {7765,[112,769]}, {341,[114,769]}, {347,[115,769]}, {250,[117,769]}, {7811,[119,769]}, {253,[121,769]}, {378,[122,769]}, {8174,[168,769]}, {508,[198,769]}, {510,[216,769]}, {509,[230,769]}, {511,[248,769]}, {7844,[65,770,769]}, {7870,[69,770,769]}, {7888,[79,770,769]}, {7845,[97,770,769]}, {7871,[101,770,769]}, {7889,[111,770,769]}, {7756,[79,771,769]}, {7800,[85,771,769]}, {7757,[111,771,769]}, {7801,[117,771,769]}, {7702,[69,772,769]}, {7762,[79,772,769]}, {7703,[101,772,769]}, {7763,[111,772,769]}, {7854,[65,774,769]}, {7855,[97,774,769]}, {7726,[73,776,769]}, {471,[85,776,769]}, {7727,[105,776,769]}, {472,[117,776,769]}, {8147,[953,776,769]}, {8163,[965,776,769]}, {506,[65,778,769]}, {507,[97,778,769]}, {8076,[913,837,787,769]}, {8092,[919,837,787,769]}, {8108,[937,837,787,769]}, {8068,[945,837,787,769]}, {8084,[951,837,787,769]}, {8100,[969,837,787,769]}, {7948,[913,787,769]}, {7964,[917,787,769]}, {7980,[919,787,769]}, {7996,[921,787,769]}, {8012,[927,787,769]}, {8044,[937,787,769]}, {7940,[945,787,769]}, {7956,[949,787,769]}, {7972,[951,787,769]}, {7988,[953,787,769]}, {8004,[959,787,769]}, {8020,[965,787,769]}, {8036,[969,787,769]}, {8077,[913,837,788,769]}, {8093,[919,837,788,769]}, {8109,[937,837,788,769]}, {8069,[945,837,788,769]}, {8085,[951,837,788,769]}, {8101,[969,837,788,769]}, 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