Move datetime into prim_file

1 files changed, 75 insertions, 60 deletions

diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl
index dafd2c6909..d8ade07336 100644
--- a/lib/kernel/src/file.erl
+++ b/lib/kernel/src/file.erl
@@ -31,7 +31,8 @@
 	 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_info/1, read_link_info/2,
+	 read_link/1,
 	 make_link/2, make_symlink/2,
 	 read_file/1, write_file/2, write_file/3]).
 %% Specialized
@@ -213,10 +214,16 @@ del_dir(Name) ->
       Reason :: posix() | badarg.
 
 read_file_info(Name) ->
-    file_info_time(local, check_and_call(read_file_info, [file_name(Name)])).
+    check_and_call(read_file_info, [file_name(Name)]).
+
+-spec read_file_info(Filename, Opts) -> {ok, FileInfo} | {error, Reason} when
+      Filename :: name(),
+      Opts :: list(),
+      FileInfo :: file_info(),
+      Reason :: posix() | badarg.
 
 read_file_info(Name, Opts) when is_list(Opts) ->
-    file_info_time(proplists:get_value(time, Opts, local), check_and_call(read_file_info, [file_name(Name)])).
+    check_and_call(read_file_info, [file_name(Name), Opts]).
 
 -spec altname(Name :: name()) -> any().
 
@@ -229,10 +236,11 @@ altname(Name) ->
       Reason :: posix() | badarg.
 
 read_link_info(Name) ->
-    read_link_info(Name, [{time, local}]).
+    check_and_call(read_link_info, [file_name(Name)]).
 
 read_link_info(Name, Opts) when is_list(Opts) ->
-    file_info_time(proplists:get_value(time, Opts, local), check_and_call(read_link_info, [file_name(Name)])).
+    check_and_call(read_link_info, [file_name(Name),Opts]).
+
 
 -spec read_link(Name) -> {ok, Filename} | {error, Reason} when
       Name :: name(),
@@ -248,10 +256,17 @@ read_link(Name) ->
       Reason :: posix() | badarg.
 
 write_file_info(Name, Info = #file_info{}) ->
-    check_and_call(write_file_info, [file_name(Name), file_info_epochs(local, Info)]).
+    check_and_call(write_file_info, [file_name(Name), Info]).
+
+-spec write_file_info(Filename, FileInfo, Opts) -> ok | {error, Reason} when
+      Filename :: name(),
+      Opts :: list(),
+      FileInfo :: 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), file_info_epochs(proplists:get_value(time, Opts, local), Info)]).
+    check_and_call(write_file_info, [file_name(Name), Info, Opts]).
 
 -spec list_dir(Dir) -> {ok, Filenames} | {error, Reason} when
       Dir :: name(),
@@ -1335,59 +1350,59 @@ fname_join(Dir, Name) ->
 %% all times from prime_file (and file_server) are in unix epochs
 
 %% from_epochs
-file_info_time(epoch, {ok, FI} = R) -> R;
-file_info_time(local, {ok, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI}) ->
-    {ok, FI#file_info{
-	    atime = time_epochs_to_local(Atime),
-	    ctime = time_epochs_to_local(Ctime),
-	    mtime = time_epochs_to_local(Mtime)
-	}
-    };
-file_info_time(utc, {ok, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI}) ->
-    {ok, FI#file_info{
-	    atime = time_epochs_to_utc(Atime),
-	    ctime = time_epochs_to_utc(Ctime),
-	    mtime = time_epochs_to_utc(Mtime)
-	}
-    };
-file_info_time(_, Error) -> Error.
-
-%% from_epochs
-file_info_epochs(epoch,  FI) -> FI;
-file_info_epochs(local, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI) ->
-    FI#file_info{
-	atime = time_local_to_epochs(Atime),
-	ctime = time_local_to_epochs(Ctime),
-	mtime = time_local_to_epochs(Mtime)
-    };
-file_info_epochs(utc, {ok, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI}) ->
-    FI#file_info{
-	atime = time_utc_to_epochs(Atime),
-	ctime = time_utc_to_epochs(Ctime),
-	mtime = time_utc_to_epochs(Mtime)
-    }.
-
-
--define(DAYS_FROM_0_TO_1970, 719528).
--define(SECONDS_PER_DAY, 86400).
-
-time_epochs_to_utc(Seconds) when is_integer(Seconds) ->
-    calendar:gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970).
-
-time_epochs_to_local(Seconds) when is_integer(Seconds) ->
-    erlang:universaltime_to_localtime(calendar:gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970)).
-
-time_utc_to_epochs({_, _} = Datetime) ->
-    calendar:datetime_to_gregorian_seconds(Datetime) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970;
-time_utc_to_epochs(undefined) ->
-    time_utc_to_epochs(erlang:universaltime()).
-
-
-time_local_to_epochs({_, _} = Datetime) ->
-    calendar:datetime_to_gregorian_seconds(erlang:localtime_to_universaltime(Datetime)) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970;
-time_local_to_epochs(undefined) ->
-    time_utc_to_epochs(erlang:universaltime()).
-
+%file_info_time(epoch, {ok, FI} = R) -> R;
+%file_info_time(local, {ok, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI}) ->
+%    {ok, FI#file_info{
+%	    atime = time_epochs_to_local(Atime),
+%	    ctime = time_epochs_to_local(Ctime),
+%	    mtime = time_epochs_to_local(Mtime)
+%	}
+%    };
+%file_info_time(utc, {ok, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI}) ->
+%    {ok, FI#file_info{
+%	    atime = time_epochs_to_utc(Atime),
+%	    ctime = time_epochs_to_utc(Ctime),
+%	    mtime = time_epochs_to_utc(Mtime)
+%	}
+%    };
+%file_info_time(_, Error) -> Error.
+%
+%%% from_epochs
+%file_info_epochs(epoch,  FI) -> FI;
+%file_info_epochs(local, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI) ->
+%    FI#file_info{
+%	atime = time_local_to_epochs(Atime),
+%	ctime = time_local_to_epochs(Ctime),
+%	mtime = time_local_to_epochs(Mtime)
+%    };
+%file_info_epochs(utc, {ok, #file_info{ atime = Atime, ctime = Ctime, mtime = Mtime } = FI}) ->
+%    FI#file_info{
+%	atime = time_utc_to_epochs(Atime),
+%	ctime = time_utc_to_epochs(Ctime),
+%	mtime = time_utc_to_epochs(Mtime)
+%    }.
+%
+%
+%-define(DAYS_FROM_0_TO_1970, 719528).
+%-define(SECONDS_PER_DAY, 86400).
+%
+%time_epochs_to_utc(Seconds) when is_integer(Seconds) ->
+%    calendar:gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970).
+%
+%time_epochs_to_local(Seconds) when is_integer(Seconds) ->
+%    erlang:universaltime_to_localtime(calendar:gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970)).
+%
+%time_utc_to_epochs({_, _} = Datetime) ->
+%    calendar:datetime_to_gregorian_seconds(Datetime) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970;
+%time_utc_to_epochs(undefined) ->
+%    time_utc_to_epochs(erlang:universaltime()).
+%
+%
+%time_local_to_epochs({_, _} = Datetime) ->
+%    calendar:datetime_to_gregorian_seconds(erlang:localtime_to_universaltime(Datetime)) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970;
+%time_local_to_epochs(undefined) ->
+%    time_utc_to_epochs(erlang:universaltime()).
+%
 
 %% file_name(FileName)
 %% 	Generates a flat file name from a deep list of atoms and