diff options
Diffstat (limited to 'lib/kernel/src/file.erl')
| -rw-r--r-- | lib/kernel/src/file.erl | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index e7a0451011..5f52f94270 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 @@ -67,8 +67,8 @@ -export([ipread_s32bu_p32bu_int/3]). %% Types that can be used from other modules -- alphabetically ordered. --export_type([date_time/0, fd/0, file_info/0, filename/0, io_device/0, - name/0, posix/0]). +-export_type([date_time/0, fd/0, file_info/0, filename/0, filename_all/0, + io_device/0, name/0, posix/0]). %%% Includes and defines -include("file.hrl"). @@ -80,7 +80,8 @@ -define(RAM_FILE, ram_file). % Module %% data types --type filename() :: string() | binary(). +-type filename() :: string(). +-type filename_all() :: string() | binary(). -type file_info() :: #file_info{}. -type fd() :: #file_descriptor{}. -type io_device() :: pid() | fd(). @@ -278,6 +279,14 @@ 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_all(), + 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 +312,14 @@ 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_all()], + 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(), |