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authorBjörn-Egil Dahlberg <egil@erlang.org>2011-11-30 18:11:42 +0100
committerBjörn-Egil Dahlberg <egil@erlang.org>2011-12-02 15:41:14 +0100
commit4545abc3bc54ac9be175a53f19ed62fcd3911794 (patch)
tree7dc079c4cebb3c4bc2cae86f3df0966527b33b6c /erts/preloaded
parent9c15c1015bd60dd837587e9cf4be67abe0995129 (diff)
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Fix prim_file time conversions
Diffstat (limited to 'erts/preloaded')
-rw-r--r--erts/preloaded/src/prim_file.erl58
1 files changed, 36 insertions, 22 deletions
diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl
index 69ef0b9d54..b781dffba5 100644
--- a/erts/preloaded/src/prim_file.erl
+++ b/erts/preloaded/src/prim_file.erl
@@ -51,7 +51,7 @@
make_link/2, make_link/3,
make_symlink/2, make_symlink/3,
read_link/1, read_link/2,
- read_link_info/1, read_link_info/2,
+ read_link_info/1, read_link_info/2, read_link_info/3,
list_dir/1, list_dir/2]).
%% How to start and stop the ?DRV port.
-export([start/0, stop/1]).
@@ -725,16 +725,18 @@ del_dir_int(Port, Dir) ->
-%% read_file_info/{1,2}
+%% read_file_info/{1,2,3}
read_file_info(File) ->
read_file_info_int({?DRV, [binary]}, File, local).
read_file_info(Port, File) when is_port(Port) ->
- read_file_info_int(Port, File, local).
+ read_file_info_int(Port, File, local);
+read_file_info(File, Opts) ->
+ read_file_info_int({?DRV, [binary]}, File, plgv(time, Opts, local)).
read_file_info(Port, File, Opts) when is_port(Port) ->
- read_file_info_int(Port, File, plgv(time, Opts)).
+ read_file_info_int(Port, File, plgv(time, Opts, local)).
read_file_info_int(Port, File, TimeType) ->
case drv_command(Port, [?FILE_FSTAT, pathname(File)]) of
@@ -765,12 +767,11 @@ write_file_info(File, Info) ->
write_file_info(Port, File, Info) when is_port(Port) ->
write_file_info_int(Port, File, Info, local);
-
write_file_info(File, Info, Opts) ->
- write_file_info_int({?DRV, [binary]}, File, Info, plgv(time, Opts)).
+ write_file_info_int({?DRV, [binary]}, File, Info, plgv(time, Opts, local)).
write_file_info(Port, File, Info, Opts) when is_port(Port) ->
- write_file_info_int(Port, File, Info, plgv(time, Opts)).
+ write_file_info_int(Port, File, Info, plgv(time, Opts, local)).
write_file_info_int(Port,
File,
@@ -783,9 +784,13 @@ write_file_info_int(Port,
TimeType) ->
%% FIXME: wtf
+ %% sätt atime beroende på timetype, om ej satt
+ %% sätt mtime som atime, om ej satt
+
{Atime, Mtime} = case {Atime0, Mtime0} of
{undefined, Mtime0} -> {erlang:localtime(), Mtime0};
{Atime0, undefined} -> {Atime0, Atime0};
+ {undefined, undefined} -> {erlang:localtime(), erlang:localtime()};
Complete -> Complete
end,
@@ -848,10 +853,10 @@ read_link_info(Port, Link) when is_port(Port) ->
read_link_info_int(Port, Link, local);
read_link_info(Link, Opts) ->
- read_link_info_int({?DRV, [binary]}, Link, plgv(time, Opts)).
+ read_link_info_int({?DRV, [binary]}, Link, plgv(time, Opts, local)).
read_link_info(Port, Link, Opts) when is_port(Port) ->
- read_link_info_int(Port, Link, plgv(time, Opts)).
+ read_link_info_int(Port, Link, plgv(time, Opts, local)).
read_link_info_int(Port, Link, TimeType) ->
@@ -1161,7 +1166,6 @@ translate_response(?FILE_RESP_ALL_DATA, Data) ->
translate_response(X, Data) ->
{error, {bad_response_from_port, [X | Data]}}.
-
transform_info([
Hsize1, Hsize2, Hsize3, Hsize4,
Lsize1, Lsize2, Lsize3, Lsize4,
@@ -1211,9 +1215,7 @@ int_to_int32bytes(undefined) ->
<<-1:32>>.
int_to_int64bytes(Int) when is_integer(Int) ->
- <<Int:64>>;
-int_to_int64bytes(undefined) ->
- <<-1:64>>.
+ <<Int:64/signed>>.
sint64(I1,I2,I3,I4,I5,I6,I7,I8) when I1 > 127 ->
@@ -1315,10 +1317,10 @@ pathname(File) ->
(catch prim_file:internal_name2native(File)).
-%% proplist:get_value/2
-plgv(K,[{K, V}|_]) -> V;
-plgv(K,[_|KVs]) -> plgv(K,KVs);
-plgv(_,[]) -> undefined.
+%% proplist:get_value/3
+plgv(K, [{K, V}|_], _) -> V;
+plgv(K, [_|KVs], D) -> plgv(K, KVs, D);
+plgv(_, [], D) -> D.
%%
@@ -1333,16 +1335,28 @@ plgv(_,[]) -> undefined.
-define(DAYS_PER_YEAR, 365).
-define(DAYS_PER_LEAP_YEAR, 366).
+from_seconds(Seconds, epoch) when is_integer(Seconds) ->
+ Seconds;
from_seconds(Seconds, utc) when is_integer(Seconds) ->
- gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970);
+ epoch_to_datetime(Seconds);
from_seconds(Seconds, local) when is_integer(Seconds) ->
- erlang:universaltime_to_localtime(gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970)).
+ erlang:universaltime_to_localtime(epoch_to_datetime(Seconds)).
+epoch_to_datetime(Seconds) ->
+ gregorian_seconds_to_datetime(Seconds + ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970).
+
+to_seconds(Seconds, epoch) when is_integer(Seconds) ->
+ Seconds;
to_seconds({_,_} = Datetime, utc) ->
- datetime_to_gregorian_seconds(Datetime) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970;
+ datetime_to_epoch(Datetime);
to_seconds({_,_} = Datetime, local) ->
- datetime_to_gregorian_seconds(erlang:localtime_to_universaltime(Datetime)) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970;
-to_seconds(undefined, _) -> to_seconds(erlang:universaltime(), utc).
+ datetime_to_epoch(erlang:localtime_to_universaltime(Datetime));
+to_seconds(undefined, _) ->
+ to_seconds(erlang:universaltime(), utc).
+
+datetime_to_epoch(Datetime) ->
+ datetime_to_gregorian_seconds(Datetime) - ?SECONDS_PER_DAY * ?DAYS_FROM_0_TO_1970.
+
%% perhaps like this