diff options
Diffstat (limited to 'lib/kernel/src/file.erl')
| -rw-r--r-- | lib/kernel/src/file.erl | 75 |
1 files changed, 45 insertions, 30 deletions
diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 23cf74f80f..3d6665a36a 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -114,18 +114,10 @@ -type sendfile_option() :: {chunk_size, non_neg_integer()} | {use_threads, boolean()}. -type file_info_option() :: {'time', 'local'} | {'time', 'universal'} - | {'time', 'posix'}. + | {'time', 'posix'} | raw. %%% BIFs --export([file_info/1, native_name_encoding/0]). - --spec file_info(Filename) -> {ok, FileInfo} | {error, Reason} when - Filename :: name_all(), - FileInfo :: file_info(), - Reason :: posix() | badarg. - -file_info(_) -> - erlang:nif_error(undef). +-export([native_name_encoding/0]). -spec native_name_encoding() -> latin1 | utf8. @@ -199,7 +191,8 @@ get_cwd(Drive) -> check_and_call(get_cwd, [file_name(Drive)]). -spec set_cwd(Dir) -> ok | {error, Reason} when - Dir :: name(), + Dir :: name() | EncodedBinary, + EncodedBinary :: binary(), Reason :: posix() | badarg | no_translation. set_cwd(Dirname) -> @@ -249,7 +242,19 @@ read_file_info(Name) -> Reason :: posix() | badarg. read_file_info(Name, Opts) when is_list(Opts) -> - check_and_call(read_file_info, [file_name(Name), Opts]). + Args = [file_name(Name), Opts], + case check_args(Args) of + ok -> + case lists:member(raw, Opts) of + true -> + [FileName|_] = Args, + ?PRIM_FILE:read_file_info(FileName, Opts); + false -> + call(read_file_info, Args) + end; + Error -> + Error + end. -spec altname(Name :: name_all()) -> any(). @@ -271,7 +276,19 @@ read_link_info(Name) -> Reason :: posix() | badarg. read_link_info(Name, Opts) when is_list(Opts) -> - check_and_call(read_link_info, [file_name(Name),Opts]). + Args = [file_name(Name), Opts], + case check_args(Args) of + ok -> + case lists:member(raw, Opts) of + true -> + [FileName|_] = Args, + ?PRIM_FILE:read_link_info(FileName, Opts); + false -> + call(read_link_info, Args) + end; + Error -> + Error + end. -spec read_link(Name) -> {ok, Filename} | {error, Reason} when @@ -305,7 +322,19 @@ write_file_info(Name, Info = #file_info{}) -> Reason :: posix() | badarg. write_file_info(Name, Info = #file_info{}, Opts) when is_list(Opts) -> - check_and_call(write_file_info, [file_name(Name), Info, Opts]). + Args = [file_name(Name), Info, Opts], + case check_args(Args) of + ok -> + case lists:member(raw, Opts) of + true -> + [FileName|_] = Args, + ?PRIM_FILE:write_file_info(FileName, Info, Opts); + false -> + call(write_file_info, Args) + end; + Error -> + Error + end. -spec list_dir(Dir) -> {ok, Filenames} | {error, Reason} when Dir :: name_all(), @@ -391,26 +420,12 @@ write_file(Name, Bin, ModeList) when is_list(ModeList) -> %% Obsolete, undocumented, local node only, don't use!. %% XXX to be removed. raw_read_file_info(Name) -> - Args = [file_name(Name)], - case check_args(Args) of - ok -> - [FileName] = Args, - ?PRIM_FILE:read_file_info(FileName); - Error -> - Error - end. + read_file_info(Name, [raw]). %% Obsolete, undocumented, local node only, don't use!. %% XXX to be removed. raw_write_file_info(Name, #file_info{} = Info) -> - Args = [file_name(Name)], - case check_args(Args) of - ok -> - [FileName] = Args, - ?PRIM_FILE:write_file_info(FileName, Info); - Error -> - Error - end. + write_file_info(Name, Info, [raw]). %%%----------------------------------------------------------------- %%% File io server functions. |