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authorHans Bolinder <[email protected]>2014-03-06 08:34:25 +0100
committerHans Bolinder <[email protected]>2014-03-06 08:34:25 +0100
commit93be030c1f27fc992525ab02854754df01d31242 (patch)
tree92b8eca08f61b4d3e906fde22eb2ef3a1530a009 /lib/stdlib/src
parent4a28c972a710461568f4e610dffc09de221aaa44 (diff)
parente936ccec462760c4bb98679f1b88a7a5a3ead65f (diff)
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Merge branch 'hb/stdlib/fix_dets/OTP-11709'
* hb/stdlib/fix_dets/OTP-11709: stdlib: Fix a Dets bug where files were deleted stdlib: Fix a Dets bug with leaking file descriptors
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/dets.erl12
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index 44dad04f43..c32da1624f 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -1785,6 +1785,7 @@ read_file_header(FileName, Access, RamFile) ->
Version =:= 9 ->
dets_v9:read_file_header(Fd, FileName);
true ->
+ _ = file:close(Fd),
throw({error, {not_a_dets_file, FileName}})
end.
@@ -2113,6 +2114,8 @@ test_bchunk_format(Head, Term) ->
do_open_file([Fname, Verbose], Parent, Server, Ref) ->
case catch fopen2(Fname, Ref) of
+ {error, {tooshort, _}} ->
+ err({error, {not_a_dets_file, Fname}});
{error, _Reason} = Error ->
err(Error);
{ok, Head} ->
@@ -2126,11 +2129,10 @@ do_open_file([Fname, Verbose], Parent, Server, Ref) ->
[Bad]),
{error, {dets_bug, Fname, Bad}}
end;
-do_open_file([Tab, OpenArgs, Verb], Parent, Server, Ref) ->
+do_open_file([Tab, OpenArgs, Verb], Parent, Server, _Ref) ->
case catch fopen3(Tab, OpenArgs) of
{error, {tooshort, _}} ->
- _ = file:delete(OpenArgs#open_args.file),
- do_open_file([Tab, OpenArgs, Verb], Parent, Server, Ref);
+ err({error, {not_a_dets_file, OpenArgs#open_args.file}});
{error, _Reason} = Error ->
err(Error);
{ok, Head} ->
@@ -2486,7 +2488,6 @@ fopen2(Fname, Tab) ->
{ok, _} ->
Acc = read_write,
Ram = false,
- %% Fd is not always closed upon error, but exit is soon called.
{ok, Fd, FH} = read_file_header(Fname, Acc, Ram),
Mod = FH#fileheader.mod,
Do = case Mod:check_file_header(FH, Fd) of
@@ -2542,7 +2543,6 @@ fopen_existing_file(Tab, OpenArgs) ->
ram_file = Ram, delayed_write = CacheSz, auto_save =
Auto, access = Acc, version = Version, debug = Debug} =
OpenArgs,
- %% Fd is not always closed upon error, but exit is soon called.
{ok, Fd, FH} = read_file_header(Fname, Acc, Ram),
V9 = (Version =:= 9) or (Version =:= default),
MinF = (MinSlots =:= default) or (MinSlots =:= FH#fileheader.min_no_slots),