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authorSiri Hansen <siri@erlang.org>2012-07-11 15:01:27 +0200
committerSiri Hansen <siri@erlang.org>2012-07-11 15:01:27 +0200
commitffcdf6f983bd9b7005abc2e69c4a0f187b8493f6 (patch)
tree14a1881b2719b9e252982eba73a2a121141c1793
parenteac9c3494ce4d684b09779f075317e8943a7928b (diff)
parent4a79bc79e0ff4b39fc28b0f9ac154e8070534e21 (diff)
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Merge branch 'siri/erl_prim_loader/archive-scripts/OTP-10071' into maint
* siri/erl_prim_loader/archive-scripts/OTP-10071: Update preloaded Add tests for problems with handling of primary archive Add comments to make erl_prim_loader primary archive handling more readable Fix erl_prim_loader errors in handling of primary archive
-rw-r--r--erts/preloaded/ebin/erl_prim_loader.beambin52904 -> 53320 bytes
-rw-r--r--erts/preloaded/src/erl_prim_loader.erl227
-rw-r--r--lib/stdlib/test/escript_SUITE.erl126
-rw-r--r--lib/stdlib/test/escript_SUITE_data/archive_script_file_access/archive_script_file_access.erl86
4 files changed, 338 insertions, 101 deletions
diff --git a/erts/preloaded/ebin/erl_prim_loader.beam b/erts/preloaded/ebin/erl_prim_loader.beam
index df1831f340..8c6cc1100d 100644
--- a/erts/preloaded/ebin/erl_prim_loader.beam
+++ b/erts/preloaded/ebin/erl_prim_loader.beam
Binary files differ
diff --git a/erts/preloaded/src/erl_prim_loader.erl b/erts/preloaded/src/erl_prim_loader.erl
index 14a7a2bf20..eb59cbe6f6 100644
--- a/erts/preloaded/src/erl_prim_loader.erl
+++ b/erts/preloaded/src/erl_prim_loader.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2012. 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
@@ -824,16 +824,17 @@ prim_set_primary_archive(PS, undefined, undefined, undefined) ->
debug(PS2, {return, Res}),
{Res, PS2}
end;
-prim_set_primary_archive(PS, ArchiveFile, ArchiveBin, #file_info{} = FileInfo)
- when is_list(ArchiveFile), is_binary(ArchiveBin) ->
+prim_set_primary_archive(PS, ArchiveFile0, ArchiveBin, #file_info{} = FileInfo)
+ when is_list(ArchiveFile0), is_binary(ArchiveBin) ->
%% Try the archive file
- debug(PS, {set_primary_archive, ArchiveFile, byte_size(ArchiveBin)}),
+ debug(PS, {set_primary_archive, ArchiveFile0, byte_size(ArchiveBin)}),
+ ArchiveFile = absname(ArchiveFile0),
{Res3, PS3} =
case PS#prim_state.primary_archive of
undefined ->
Fun =
- fun({Funny, _GI, _GB}, A) ->
- case Funny of
+ fun({Components, _GI, _GB}, A) ->
+ case Components of
["", "nibe", RevApp] -> % Reverse ebin
%% Collect ebin directories in archive
Ebin = reverse(RevApp) ++ "/ebin",
@@ -873,11 +874,11 @@ prim_get_file(PS, File) ->
{Res, PS};
{archive, ArchiveFile, FileInArchive} ->
debug(PS, {archive_get_file, ArchiveFile, FileInArchive}),
- FunnyFile = funny_split(FileInArchive, $/),
+ FileComponents = path_split(FileInArchive),
Fun =
- fun({Funny, _GetInfo, GetBin}, Acc) ->
+ fun({Components, _GetInfo, GetBin}, Acc) ->
if
- Funny =:= FunnyFile ->
+ Components =:= FileComponents ->
{false, {ok, GetBin()}};
true ->
{true, Acc}
@@ -900,11 +901,11 @@ prim_list_dir(PS, Dir) ->
{Res, PS};
{archive, ArchiveFile, FileInArchive} ->
debug(PS, {archive_list_dir, ArchiveFile, FileInArchive}),
- FunnyDir = funny_split(FileInArchive, $/),
+ DirComponents = path_split(FileInArchive),
Fun =
- fun({Funny, _GetInfo, _GetBin}, {Status, Names} = Acc) ->
- case Funny of
- [RevName | FD] when FD =:= FunnyDir ->
+ fun({Components, _GetInfo, _GetBin}, {Status, Names} = Acc) ->
+ case Components of
+ [RevName | DC] when DC =:= DirComponents ->
case RevName of
"" ->
%% The listed directory
@@ -914,16 +915,16 @@ prim_list_dir(PS, Dir) ->
Name = reverse(RevName),
{true, {Status, [Name | Names]}}
end;
- ["", RevName | FD] when FD =:= FunnyDir ->
+ ["", RevName | DC] when DC =:= DirComponents ->
%% Directory
Name = reverse(RevName),
{true, {Status, [Name | Names]}};
- [RevName] when FunnyDir =:= [""] ->
- %% Top file
+ [RevName] when DirComponents =:= [""] ->
+ %% File in top directory
Name = reverse(RevName),
{true, {ok, [Name | Names]}};
- ["", RevName] when FunnyDir =:= [""] ->
- %% Top file
+ ["", RevName] when DirComponents =:= [""] ->
+ %% Directory in top directory
Name = reverse(RevName),
{true, {ok, [Name | Names]}};
_ ->
@@ -962,15 +963,14 @@ prim_read_file_info(PS, File) ->
end;
{archive, ArchiveFile, FileInArchive} ->
debug(PS, {archive_read_file_info, File}),
- FunnyFile = funny_split(FileInArchive, $/),
+ FileComponents = path_split(FileInArchive),
Fun =
- fun({Funny, GetInfo, _GetBin}, Acc) ->
- case Funny of
- [H | T] when H =:= "",
- T =:= FunnyFile ->
+ fun({Components, GetInfo, _GetBin}, Acc) ->
+ case Components of
+ ["" | F] when F =:= FileComponents ->
%% Directory
{false, {ok, GetInfo()}};
- F when F =:= FunnyFile ->
+ F when F =:= FileComponents ->
%% Plain file
{false, {ok, GetInfo()}};
_ ->
@@ -1063,50 +1063,69 @@ open_archive(Archive, Acc, Fun) ->
{error, Reason}
end.
+%% Open the given archive and iterate through all files with an own
+%% wrapper fun in order to identify each file as a component list as
+%% returned from path_split/1.
+%%
+%% In the archive (zip) file, directory elements might or might not be
+%% present. To ensure consistency, a directory element is added if it
+%% does not already exist (ensure_virual_dir/6). NOTE that there will
+%% be no such directory element for the top directory of the archive.
open_archive(Archive, FileInfo, Acc, Fun) ->
FakeFI = FileInfo#file_info{type = directory},
Wrapper =
- fun({N, GI, GB}, {A, I, FunnyDirs}) -> % Full iteration at open
- Funny = funny_split(N, $/),
- FunnyDirs2 =
- case Funny of
- ["" | FunnyDir] ->
- [FunnyDir | FunnyDirs];
+ fun({N, GI, GB}, {A, I, Dirs}) ->
+ Components = path_split(N),
+ Dirs2 =
+ case Components of
+ ["" | Dir] ->
+ %% This is a directory
+ [Dir | Dirs];
_ ->
- FunnyDirs
+ %% This is a regular file
+ Dirs
end,
- {Includes, FunnyDirs3, A2} =
- ensure_virtual_dirs(Funny, Fun, FakeFI, [{true, Funny}], FunnyDirs2, A),
- {_Continue, A3} = Fun({Funny, GI, GB}, A2),
- {true, Includes, {A3, I, FunnyDirs3}}
+ {Includes, Dirs3, A2} =
+ ensure_virtual_dirs(Components, Fun, FakeFI,
+ [{true, Components}], Dirs2, A),
+ {_Continue, A3} = Fun({Components, GI, GB}, A2),
+ {true, Includes, {A3, I, Dirs3}}
end,
prim_zip:open(Wrapper, {Acc, FakeFI, []}, Archive).
-ensure_virtual_dirs(Funny, Fun, FakeFI, Includes, FunnyDirs, Acc) ->
- case Funny of
- [_ | FunnyDir] ->
- case lists:member(FunnyDir, FunnyDirs) of % BIF
+ensure_virtual_dirs(Components, Fun, FakeFI, Includes, Dirs, Acc) ->
+ case Components of
+ [_] ->
+ %% Don't add virtual dir for top directory
+ {Includes, Dirs, Acc};
+ [_ | Dir] ->
+ case lists:member(Dir, Dirs) of % BIF
false ->
+ %% The directory does not yet exist - add it
GetInfo = fun() -> FakeFI end,
GetBin = fun() -> <<>> end,
- VirtualDir = ["" | FunnyDir],
+ VirtualDir = ["" | Dir],
Includes2 = [{true, VirtualDir, GetInfo, GetBin} | Includes],
- FunnyDirs2 = [FunnyDir | FunnyDirs],
- {I, F, Acc2} = ensure_virtual_dirs(FunnyDir, Fun, FakeFI, Includes2, FunnyDirs2, Acc),
+ Dirs2 = [Dir | Dirs],
+
+ %% Recursively ensure dir elements on all levels
+ {I, F, Acc2} = ensure_virtual_dirs(Dir, Fun, FakeFI,
+ Includes2, Dirs2, Acc),
+
{_Continue, Acc3} = Fun({VirtualDir, GetInfo, GetBin}, Acc2),
{I, F, Acc3};
true ->
- {reverse(Includes), FunnyDirs, Acc}
- end;
- [] ->
- {reverse(Includes), FunnyDirs, Acc}
+ %% The directory element does already exist
+ %% Recursivly ensure dir elements on all levels
+ ensure_virtual_dirs(Dir,Fun,FakeFI,Includes,Dirs,Acc)
+ end
end.
foldl_archive(PrimZip, Acc, Fun) ->
Wrapper =
- fun({Funny, GI, GB}, A) ->
+ fun({Components, GI, GB}, A) ->
%% Allow partial iteration at foldl
- {Continue, A2} = Fun({Funny, GI, GB}, A),
+ {Continue, A2} = Fun({Components, GI, GB}, A),
{Continue, true, A2}
end,
prim_zip:foldl(Wrapper, Acc, PrimZip).
@@ -1202,15 +1221,19 @@ reverse([A, B]) ->
reverse([A, B | L]) ->
lists:reverse(L, [B, A]). % BIF
-%% Returns all lists in reverse order
-funny_split(List, Sep) ->
- funny_split(List, Sep, [], []).
-
-funny_split([Sep | Tail], Sep, Path, Paths) ->
- funny_split(Tail, Sep, [], [Path | Paths]);
-funny_split([Head | Tail], Sep, Path, Paths) ->
- funny_split(Tail, Sep, [Head | Path], Paths);
-funny_split([], _Sep, Path, Paths) ->
+%% Returns a reversed list of path components, each component itself a
+%% reversed list (string), e.g.
+%% /path/to/file -> ["elif","ot","htap",""]
+%% /path/to/dir/ -> ["","rid","ot","htap",""]
+%% Note the "" marking leading and trailing / (slash).
+path_split(List) ->
+ path_split(List, [], []).
+
+path_split([$/ | Tail], Path, Paths) ->
+ path_split(Tail, [], [Path | Paths]);
+path_split([Head | Tail], Path, Paths) ->
+ path_split(Tail, [Head | Path], Paths);
+path_split([], Path, Paths) ->
[Path | Paths].
name_split(ArchiveFile, File0) ->
@@ -1235,26 +1258,22 @@ do_name_split(undefined, File) ->
%% False match. Assume plain file
{file, File}
end;
-do_name_split(ArchiveFile0, File) ->
+do_name_split(ArchiveFile, File) ->
%% Look first in primary archive
- ArchiveFile = absname(ArchiveFile0),
case string_match(File, ArchiveFile, []) of
no_match ->
%% Archive or plain file
do_name_split(undefined, File);
{match, _RevPrimArchiveFile, FileInArchive} ->
%% Primary archive
- case FileInArchive of
- [$/ | FileInArchive2] ->
- {archive, ArchiveFile, FileInArchive2};
- _ ->
- {archive, ArchiveFile, FileInArchive}
- end
+ {archive, ArchiveFile, FileInArchive}
end.
string_match([Char | File], [Char | Archive], RevTop) ->
string_match(File, Archive, [Char | RevTop]);
-string_match(File, [], RevTop) ->
+string_match([] = File, [], RevTop) ->
+ {match, RevTop, File};
+string_match([$/ | File], [], RevTop) ->
{match, RevTop, File};
string_match(_File, _Archive, _RevTop) ->
no_match.
@@ -1307,24 +1326,26 @@ ipv4_addr([], D, [C,B,A]) when D < 256 -> {A,B,C,D}.
%% A simplified version of filename:absname/1
absname(Name) ->
Name2 = normalize(Name, []),
- case pathtype(Name2) of
- absolute ->
- Name2;
- relative ->
- case prim_file:get_cwd() of
- {ok, Cwd} ->
- Cwd ++ "/" ++ Name2;
- {error, _} ->
- Name2
- end;
- volumerelative ->
- case prim_file:get_cwd() of
- {ok, Cwd} ->
- absname_vr(Name2, Cwd);
- {error, _} ->
- Name2
- end
- end.
+ Name3 =
+ case pathtype(Name2) of
+ absolute ->
+ Name2;
+ relative ->
+ case prim_file:get_cwd() of
+ {ok, Cwd} ->
+ Cwd ++ "/" ++ Name2;
+ {error, _} ->
+ Name2
+ end;
+ volumerelative ->
+ case prim_file:get_cwd() of
+ {ok, Cwd} ->
+ absname_vr(Name2, Cwd);
+ {error, _} ->
+ Name2
+ end
+ end,
+ path_flatten(Name3).
%% Assumes normalized name
absname_vr([$/ | NameRest], [Drive, $\: | _]) ->
@@ -1380,22 +1401,12 @@ win32_pathtype(Name) ->
win32_pathtype([Char | List++Rest]);
[$/, $/|_] ->
absolute;
- [$\\, $/|_] ->
- absolute;
- [$/, $\\|_] ->
- absolute;
- [$\\, $\\|_] ->
- absolute;
[$/|_] ->
volumerelative;
- [$\\|_] ->
- volumerelative;
[C1, C2, List | Rest] when is_list(List) ->
- pathtype([C1, C2|List ++ Rest]);
+ win32_pathtype([C1, C2|List ++ Rest]);
[_Letter, $:, $/|_] ->
absolute;
- [_Letter, $:, $\\|_] ->
- absolute;
[_Letter, $:|_] ->
volumerelative;
_ ->
@@ -1408,8 +1419,6 @@ vxworks_first(Name) ->
{not_device, [], []};
[$/ | T] ->
vxworks_first2(device, T, [$/]);
- [$\\ | T] ->
- vxworks_first2(device, T, [$/]);
[H | T] when is_list(H) ->
vxworks_first(H ++ T);
[H | T] ->
@@ -1422,8 +1431,6 @@ vxworks_first2(Devicep, Name, FirstComp) ->
{Devicep, [], FirstComp};
[$/ |T ] ->
{Devicep, [$/ | T], FirstComp};
- [$\\ | T] ->
- {Devicep, [$/ | T], FirstComp};
[$: | T]->
{device, T, [$: | FirstComp]};
[H | T] when is_list(H) ->
@@ -1445,3 +1452,25 @@ normalize(Name, Acc) ->
[] ->
reverse(Acc)
end.
+
+%% Remove .. and . from the path, e.g.
+%% /path/./to/this/../file -> /path/to/file
+path_flatten(Name) ->
+ path_flatten(Name,[],[]).
+
+path_flatten([$/,$.,$.,$/|Rest],_RevLast,RevTop) ->
+ path_flatten(Rest,[],RevTop);
+path_flatten([$/,$.,$/|Rest],RevLast,RevTop) ->
+ path_flatten([$/|Rest],RevLast,RevTop);
+path_flatten([$/,$.,$.],_RevLast,RevTop) ->
+ path_flatten([],[],RevTop);
+path_flatten([$/,$.],RevLast,RevTop) ->
+ path_flatten([],RevLast,RevTop);
+path_flatten([$/],RevLast,RevTop) ->
+ path_flatten([],RevLast,RevTop);
+path_flatten([$/|Rest],RevLast,RevTop) ->
+ path_flatten(Rest,[],[$/|RevLast++RevTop]);
+path_flatten([Ch|Rest],RevLast,RevTop) ->
+ path_flatten(Rest,[Ch|RevLast],RevTop);
+path_flatten([],RevLast,RevTop) ->
+ reverse(RevLast++RevTop).
diff --git a/lib/stdlib/test/escript_SUITE.erl b/lib/stdlib/test/escript_SUITE.erl
index 7ed1ee742a..253b18ecb0 100644
--- a/lib/stdlib/test/escript_SUITE.erl
+++ b/lib/stdlib/test/escript_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -29,6 +29,7 @@
module_script/1,
beam_script/1,
archive_script/1,
+ archive_script_file_access/1,
epp/1,
create_and_extract/1,
foldl/1,
@@ -44,7 +45,8 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, errors, strange_name, emulator_flags,
module_script, beam_script, archive_script, epp,
- create_and_extract, foldl, overflow].
+ create_and_extract, foldl, overflow,
+ archive_script_file_access].
groups() ->
[].
@@ -464,6 +466,126 @@ archive_script(Config) when is_list(Config) ->
ok.
+%% Test the correction of OTP-10071
+%% The errors identified are
+%%
+%% * If primary archive was named "xxx", then a file in the same
+%% directory named "xxxyyy" would be interpreted as a file named yyy
+%% inside the archive.
+%%
+%% * erl_prim_loader did not correctly create and normalize absolute
+%% paths for primary archive and files inside it, so unless given
+%% with exact same path files inside the archive would not be
+%% found. E.g. if escript was started as ./xxx then "xxx/file" would
+%% not be found since erl_prim_loader would try to match
+%% /full/path/to/xxx with /full/path/to/./xxx. Same problem with
+%% ../
+%%
+%% * Depending on how the primary archive was built,
+%% erl_prim_loader:list_dir/1 would sometimes return an empty string
+%% inside the file list. This was a virtual element representing the
+%% top directory of the archive. This shall not occur.
+%%
+archive_script_file_access(Config) when is_list(Config) ->
+ %% Copy the orig files to priv_dir
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+
+ MainMod = "archive_script_file_access",
+ MainSrc = MainMod ++ ".erl",
+ MainBeam = MainMod ++ ".beam",
+
+ Archive = filename:join([PrivDir, "archive_script_file_access.zip"]),
+ ?line {ok, _} = zip:create(Archive, ["archive_script_file_access"],
+ [{compress, []}, {cwd, DataDir}]),
+ ?line {ok, _} = zip:extract(Archive, [{cwd, PrivDir}]),
+ TopDir = filename:join([PrivDir, "archive_script_file_access"]),
+
+ %% Compile the code
+ ?line ok = compile_files([MainSrc], TopDir, TopDir),
+
+ %% First, create a file structure which will be included in the archive:
+ %%
+ %% dir1/
+ %% dir1/subdir1/
+ %% dir1/subdir1/file1
+ %%
+ {ok, OldDir} = file:get_cwd(),
+ ok = file:set_cwd(TopDir),
+ DummyDir = "dir1",
+ DummySubDir = filename:join(DummyDir, "subdir1"),
+ RelDummyFile = filename:join(DummySubDir, "file1"),
+ DummyFile = filename:join(TopDir,RelDummyFile),
+ ok = filelib:ensure_dir(DummyFile),
+ ok = file:write_file(DummyFile, ["foo\nbar\nbaz"]),
+
+ %% 1. Create zip archive by adding the dummy file and the beam
+ %% file as binaries to zip.
+ %%
+ %% This used to provoke the following issues when the script was run as
+ %% "./<script_name>":
+ %% a. erl_prim_loader:read_file_info/1 returning 'error'
+ %% b. erl_prim_loader:list_dir/1 returning {ok, ["dir1", [], "file1"]}
+ %% leading to an infinite loop in reltool_target:spec_dir/1
+ Files1 =
+ lists:map(fun(Filename) ->
+ {ok, Bin} = file:read_file(Filename),
+ {Filename,Bin}
+ end,
+ [RelDummyFile,MainBeam]),
+ {ok, {"mem", Bin1}} = zip:create("mem", Files1, [memory]),
+
+ %% Create the escript
+ ScriptName1 = "archive_script_file_access1",
+ Script1 = filename:join([PrivDir, ScriptName1]),
+ Flags = "-escript main " ++ MainMod,
+ ok = escript:create(Script1,[shebang,{emu_args,Flags},{archive,Bin1}]),
+ ok = file:change_mode(Script1,8#00744),
+
+ %% Also add a dummy file in the same directory with the same name
+ %% as the script except is also has an extension. This used to
+ %% cause erl_prim_loader to believe it was a file inside the
+ %% script.
+ ok = file:write_file(Script1 ++ ".extension",
+ <<"same name as script, but with extension">>),
+
+ %% Change to script's directory and run it as "./<script_name>"
+ ok = file:set_cwd(PrivDir),
+ do_run(PrivDir, "./" ++ ScriptName1,
+ [<<"file_access:[]\n",
+ "ExitCode:0">>]),
+ ok = file:set_cwd(TopDir),
+
+
+ %% 2. Create zip archive by letting zip read the files from the file system
+ %%
+ %% The difference compared to the archive_script_file_access1 is
+ %% that this will have a file element for each directory in the
+ %% archive - while archive_script_file_access1 will only have a
+ %% file element per regular file.
+ Files2 = [DummyDir,MainBeam],
+ {ok, {"mem", Bin2}} = zip:create("mem", Files2, [memory]),
+
+ %% Create the escript
+ ScriptName2 = "archive_script_file_access2",
+ Script2 = filename:join([PrivDir, ScriptName2]),
+ ok = escript:create(Script2,[shebang,{emu_args,Flags},{archive,Bin2}]),
+ ok = file:change_mode(Script2,8#00744),
+
+ %% Also add a dummy file in the same directory with the same name
+ %% as the script except is also has an extension. This used to
+ %% cause erl_prim_loader to believe it was a file inside the
+ %% script.
+ ok = file:write_file(Script2 ++ ".extension",
+ <<"same name as script, but with extension">>),
+
+ %% Change to script's directory and run it as "./<script_name>"
+ ok = file:set_cwd(PrivDir),
+ do_run(PrivDir, "./" ++ ScriptName2,
+ [<<"file_access:[]\n",
+ "ExitCode:0">>]),
+ ok = file:set_cwd(OldDir).
+
compile_app(TopDir, AppName) ->
AppDir = filename:join([TopDir, AppName]),
SrcDir = filename:join([AppDir, "src"]),
diff --git a/lib/stdlib/test/escript_SUITE_data/archive_script_file_access/archive_script_file_access.erl b/lib/stdlib/test/escript_SUITE_data/archive_script_file_access/archive_script_file_access.erl
new file mode 100644
index 0000000000..226a8675db
--- /dev/null
+++ b/lib/stdlib/test/escript_SUITE_data/archive_script_file_access/archive_script_file_access.erl
@@ -0,0 +1,86 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2012. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(archive_script_file_access).
+-behaviour(escript).
+
+-export([main/1]).
+
+-include_lib("kernel/include/file.hrl").
+
+main(MainArgs) ->
+ io:format("file_access:~p\n", [MainArgs]),
+ ArchiveFile = escript:script_name(),
+
+ AbsArchiveFile = filename:absname(ArchiveFile),
+ RelArchiveFile = filename:basename(ArchiveFile),
+ DotSlashArchiveFile = "./" ++ RelArchiveFile,
+
+ Beam = atom_to_list(?MODULE) ++ ".beam",
+ AbsBeam = filename:join(AbsArchiveFile,Beam),
+ RelBeam = filename:join(RelArchiveFile,Beam),
+ DotSlashBeam = filename:join(DotSlashArchiveFile,Beam),
+ Dir = "dir1",
+ AbsDir = filename:join(AbsArchiveFile,Dir),
+ RelDir = filename:join(RelArchiveFile,Dir),
+ DotSlashDir = filename:join(DotSlashArchiveFile,Dir),
+
+ {ok,List1} = erl_prim_loader:list_dir(AbsArchiveFile),
+ {ok,List1} = erl_prim_loader:list_dir(RelArchiveFile),
+ {ok,List1} = erl_prim_loader:list_dir(DotSlashArchiveFile),
+ {ok,List1} = erl_prim_loader:list_dir(AbsArchiveFile ++ "/"),
+ {ok,List1} = erl_prim_loader:list_dir(AbsArchiveFile ++ "/."),
+ {ok,List1} = erl_prim_loader:list_dir(filename:join([AbsDir,".."])),
+ {ok,List1} = erl_prim_loader:list_dir(filename:join([RelDir,".."])),
+ {ok,List1} = erl_prim_loader:list_dir(filename:join([DotSlashDir,".."])),
+ false = lists:member([],List1),
+
+ {ok,List2} = erl_prim_loader:list_dir(AbsDir),
+ {ok,List2} = erl_prim_loader:list_dir(RelDir),
+ {ok,List2} = erl_prim_loader:list_dir(DotSlashDir),
+ false = lists:member([],List2),
+
+ error = erl_prim_loader:list_dir(AbsBeam),
+ error = erl_prim_loader:list_dir(RelBeam),
+ error = erl_prim_loader:list_dir(DotSlashBeam),
+
+ error = erl_prim_loader:get_file(AbsArchiveFile),
+ error = erl_prim_loader:get_file(RelArchiveFile),
+ error = erl_prim_loader:get_file(DotSlashArchiveFile),
+ error = erl_prim_loader:get_file(AbsArchiveFile ++ "/"),
+ error = erl_prim_loader:get_file(AbsArchiveFile ++ "/."),
+ {ok,Bin,AbsBeam} = erl_prim_loader:get_file(AbsBeam),
+ {ok,Bin,RelBeam} = erl_prim_loader:get_file(RelBeam),
+ {ok,Bin,DotSlashBeam} = erl_prim_loader:get_file(DotSlashBeam),
+
+ {ok,#file_info{type=directory}=DFI} =
+ erl_prim_loader:read_file_info(AbsArchiveFile),
+ {ok,DFI} = erl_prim_loader:read_file_info(RelArchiveFile),
+ {ok,DFI} = erl_prim_loader:read_file_info(DotSlashArchiveFile),
+ {ok,DFI} = erl_prim_loader:read_file_info(AbsArchiveFile ++ "/"),
+ {ok,DFI} = erl_prim_loader:read_file_info(AbsArchiveFile ++ "/."),
+ {ok,#file_info{type=regular}=RFI} = erl_prim_loader:read_file_info(AbsBeam),
+ {ok,RFI} = erl_prim_loader:read_file_info(RelBeam),
+ {ok,RFI} = erl_prim_loader:read_file_info(DotSlashBeam),
+
+ F = AbsArchiveFile ++ ".extension",
+ error = erl_prim_loader:list_dir(F),
+ {ok,_,_} = erl_prim_loader:get_file(F),
+ {ok,#file_info{type=regular}} = erl_prim_loader:read_file_info(F),
+
+ ok.