diff options
Diffstat (limited to 'erts/preloaded/src/prim_file.erl')
| -rw-r--r-- | erts/preloaded/src/prim_file.erl | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl index 32b2ab3fd1..046d6ffbad 100644 --- a/erts/preloaded/src/prim_file.erl +++ b/erts/preloaded/src/prim_file.erl @@ -34,6 +34,7 @@ -export([read_link/1, read_link_all/1, read_link_info/1, read_link_info/2, read_file_info/1, read_file_info/2, + read_handle_info/1, read_handle_info/2, write_file_info/2, write_file_info/3]). -export([list_dir/1, list_dir_all/1]). @@ -497,6 +498,8 @@ get_handle_nif(_FileRef) -> erlang:nif_error(undef). delayed_close_nif(_FileRef) -> erlang:nif_error(undef). +read_handle_info_nif(_FileRef) -> + erlang:nif_error(undef). %% %% Quality-of-life helpers @@ -598,20 +601,37 @@ read_link_info(Name, Opts) -> read_info_1(Name, FollowLinks, TimeType) -> try case read_info_nif(encode_path(Name), FollowLinks) of - {error, Reason} -> - {error, Reason}; - FileInfo -> - CTime = from_posix_seconds(FileInfo#file_info.ctime, TimeType), - MTime = from_posix_seconds(FileInfo#file_info.mtime, TimeType), - ATime = from_posix_seconds(FileInfo#file_info.atime, TimeType), - {ok, FileInfo#file_info{ ctime = CTime, - mtime = MTime, - atime = ATime }} + {error, Reason} -> {error, Reason}; + FileInfo -> {ok, adjust_times(FileInfo, TimeType)} + end + catch + error:_ -> {error, badarg} + end. + +read_handle_info(Fd) -> + read_handle_info_1(Fd, local). +read_handle_info(Fd, Opts) -> + read_handle_info_1(Fd, proplist_get_value(time, Opts, local)). + +read_handle_info_1(Fd, TimeType) -> + try + #{ handle := FRef } = get_fd_data(Fd), + case read_handle_info_nif(FRef) of + {error, Reason} -> {error, Reason}; + FileInfo -> {ok, adjust_times(FileInfo, TimeType)} end catch error:_ -> {error, badarg} end. +adjust_times(FileInfo, TimeType) -> + CTime = from_posix_seconds(FileInfo#file_info.ctime, TimeType), + MTime = from_posix_seconds(FileInfo#file_info.mtime, TimeType), + ATime = from_posix_seconds(FileInfo#file_info.atime, TimeType), + FileInfo#file_info{ ctime = CTime, + mtime = MTime, + atime = ATime }. + write_file_info(Filename, Info) -> write_file_info_1(Filename, Info, local). write_file_info(Filename, Info, Opts) -> |