diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kernel/src/file.erl | 20 | ||||
| -rw-r--r-- | lib/kernel/src/file_server.erl | 4 | ||||
| -rw-r--r-- | lib/kernel/test/file_SUITE.erl | 42 |
3 files changed, 63 insertions, 3 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 70c4583ad2..e8f2eba3ac 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -27,12 +27,12 @@ -export([format_error/1]). %% File system and metadata. -export([get_cwd/0, get_cwd/1, set_cwd/1, delete/1, rename/2, - make_dir/1, del_dir/1, list_dir/1, + make_dir/1, del_dir/1, list_dir/1, list_dir_all/1, read_file_info/1, read_file_info/2, write_file_info/2, write_file_info/3, altname/1, read_link_info/1, read_link_info/2, - read_link/1, + read_link/1, read_link_all/1, make_link/2, make_symlink/2, read_file/1, write_file/2, write_file/3]). %% Specialized @@ -278,6 +278,14 @@ read_link_info(Name, Opts) when is_list(Opts) -> read_link(Name) -> check_and_call(read_link, [file_name(Name)]). +-spec read_link_all(Name) -> {ok, Filename} | {error, Reason} when + Name :: name(), + Filename :: filename(), + Reason :: posix() | badarg. + +read_link_all(Name) -> + check_and_call(read_link_all, [file_name(Name)]). + -spec write_file_info(Filename, FileInfo) -> ok | {error, Reason} when Filename :: name(), FileInfo :: file_info(), @@ -303,6 +311,14 @@ write_file_info(Name, Info = #file_info{}, Opts) when is_list(Opts) -> list_dir(Name) -> check_and_call(list_dir, [file_name(Name)]). +-spec list_dir_all(Dir) -> {ok, Filenames} | {error, Reason} when + Dir :: name(), + Filenames :: [filename()], + Reason :: posix() | badarg. + +list_dir_all(Name) -> + check_and_call(list_dir_all, [file_name(Name)]). + -spec read_file(Filename) -> {ok, Binary} | {error, Reason} when Filename :: name(), Binary :: binary(), diff --git a/lib/kernel/src/file_server.erl b/lib/kernel/src/file_server.erl index fc6cd823c9..73202319b9 100644 --- a/lib/kernel/src/file_server.erl +++ b/lib/kernel/src/file_server.erl @@ -136,6 +136,8 @@ handle_call({del_dir, Name}, _From, Handle) -> handle_call({list_dir, Name}, _From, Handle) -> {reply, ?PRIM_FILE:list_dir(Handle, Name), Handle}; +handle_call({list_dir_all, Name}, _From, Handle) -> + {reply, ?PRIM_FILE:list_dir_all(Handle, Name), Handle}; handle_call(get_cwd, _From, Handle) -> {reply, ?PRIM_FILE:get_cwd(Handle), Handle}; @@ -167,6 +169,8 @@ 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}; handle_call({make_link, Old, New}, _From, Handle) -> {reply, ?PRIM_FILE:make_link(Handle, Old, New), Handle}; diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index ac991b1111..fd4d5bd24e 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.erl @@ -45,6 +45,7 @@ init_per_testcase/2, end_per_testcase/2, 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, 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, @@ -115,7 +116,8 @@ all() -> read_line_4, standard_io]. groups() -> - [{dirs, [], [make_del_dir, cur_dir_0, cur_dir_1]}, + [{dirs, [], [make_del_dir, cur_dir_0, cur_dir_1, + list_dir, list_dir_error]}, {files, [], [{group, open}, {group, pos}, {group, file_info}, {group, consult}, {group, eval}, {group, script}, @@ -519,6 +521,42 @@ win_cur_dir_1(_Config) -> ok. + +%%% +%%% Test list_dir() on a non-existing pathname. +%%% + +list_dir_error(Config) -> + Priv = ?config(priv_dir, Config), + NonExisting = filename:join(Priv, "non-existing-dir"), + {error,enoent} = ?FILE_MODULE:list_dir(NonExisting), + ok. + +%%% +%%% Test list_dir() and list_dir_all(). +%%% + +list_dir(Config) -> + RootDir = ?config(priv_dir, Config), + TestDir = filename:join(RootDir, ?MODULE_STRING++"_list_dir"), + ?FILE_MODULE:make_dir(TestDir), + list_dir_1(TestDir, 42, []). + +list_dir_1(TestDir, 0, Sorted) -> + [ok = ?FILE_MODULE:delete(filename:join(TestDir, F)) || + F <- Sorted], + ok = ?FILE_MODULE:del_dir(TestDir); +list_dir_1(TestDir, Cnt, Sorted0) -> + Base = "file" ++ integer_to_list(Cnt), + Name = filename:join(TestDir, Base), + ok = ?FILE_MODULE:write_file(Name, Base), + Sorted = lists:merge([Base], Sorted0), + {ok,DirList0} = ?FILE_MODULE:list_dir(TestDir), + {ok,DirList1} = ?FILE_MODULE:list_dir_all(TestDir), + Sorted = lists:sort(DirList0), + Sorted = lists:sort(DirList1), + list_dir_1(TestDir, Cnt-1, Sorted). + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -2453,6 +2491,7 @@ symlinks(suite) -> []; symlinks(Config) when is_list(Config) -> ?line Dog = test_server:timetrap(test_server:seconds(10)), ?line {error, _} = ?FILE_MODULE:read_link(lists:duplicate(10000,$a)), + {error, _} = ?FILE_MODULE:read_link_all(lists:duplicate(10000,$a)), ?line RootDir = ?config(priv_dir, Config), ?line NewDir = filename:join(RootDir, atom_to_list(?MODULE) @@ -2476,6 +2515,7 @@ symlinks(Config) when is_list(Config) -> ?line {ok, Info2} = ?FILE_MODULE:read_link_info(Alias), ?line #file_info{links=1, type=symlink} = Info2, ?line {ok, Name} = ?FILE_MODULE:read_link(Alias), + {ok, Name} = ?FILE_MODULE:read_link_all(Alias), ok end, |