diff options
Diffstat (limited to 'lib/stdlib/src/zip.erl')
| -rw-r--r-- | lib/stdlib/src/zip.erl | 62 |
1 files changed, 21 insertions, 41 deletions
diff --git a/lib/stdlib/src/zip.erl b/lib/stdlib/src/zip.erl index 340cc21390..fadf96146e 100644 --- a/lib/stdlib/src/zip.erl +++ b/lib/stdlib/src/zip.erl @@ -179,19 +179,6 @@ external_attr, local_header_offset}). -%% Unix extra fields (not yet supported) --define(UNIX_EXTRA_FIELD_TAG, 16#000d). --record(unix_extra_field, {atime, - mtime, - uid, - gid}). - -%% extended timestamps (not yet supported) --define(EXTENDED_TIMESTAMP_TAG, 16#5455). -%% -record(extended_timestamp, {mtime, -%% atime, -%% ctime}). - -define(END_OF_CENTRAL_DIR_MAGIC, 16#06054b50). -define(END_OF_CENTRAL_DIR_SZ, (4+2+2+2+2+4+4+2)). @@ -381,9 +368,12 @@ do_unzip(F, Options) -> {Info, In1} = get_central_dir(In0, RawIterator, Input), %% get rid of zip-comment Z = zlib:open(), - Files = get_z_files(Info, Z, In1, Opts, []), - zlib:close(Z), - Input(close, In1), + Files = try + get_z_files(Info, Z, In1, Opts, []) + after + zlib:close(Z), + Input(close, In1) + end, {ok, Files}. %% Iterate over all files in a zip archive @@ -460,11 +450,20 @@ do_zip(F, Files, Options) -> #zip_opts{output = Output, open_opts = OpO} = Opts, Out0 = Output({open, F, OpO}, []), Z = zlib:open(), - {Out1, LHS, Pos} = put_z_files(Files, Z, Out0, 0, Opts, []), - zlib:close(Z), - Out2 = put_central_dir(LHS, Pos, Out1, Opts), - Out3 = Output({close, F}, Out2), - {ok, Out3}. + try + {Out1, LHS, Pos} = put_z_files(Files, Z, Out0, 0, Opts, []), + zlib:close(Z), + Out2 = put_central_dir(LHS, Pos, Out1, Opts), + Out3 = Output({close, F}, Out2), + {ok, Out3} + catch + C:R -> + Stk = erlang:get_stacktrace(), + zlib:close(Z), + Output({close, F}, Out0), + erlang:raise(C, R, Stk) + end. + %% List zip directory contents %% @@ -1379,12 +1378,7 @@ cd_file_header_to_file_info(FileName, gid = 0}, add_extra_info(FI, ExtraField). -%% add extra info to file (some day when we implement it) -add_extra_info(FI, <<?EXTENDED_TIMESTAMP_TAG:16/little, _Rest/binary>>) -> - FI; % not yet supported, some other day... -add_extra_info(FI, <<?UNIX_EXTRA_FIELD_TAG:16/little, Rest/binary>>) -> - _UnixExtra = unix_extra_field_and_var_from_bin(Rest), - FI; % not yet supported, and not widely used +%% Currently, we ignore all the extra fields. add_extra_info(FI, _) -> FI. @@ -1572,20 +1566,6 @@ dos_date_time_from_datetime({{Year, Month, Day}, {Hour, Min, Sec}}) -> <<DosDate:16>> = <<YearFrom1980:7, Month:4, Day:5>>, {DosDate, DosTime}. -unix_extra_field_and_var_from_bin(<<TSize:16/little, - ATime:32/little, - MTime:32/little, - UID:16/little, - GID:16/little, - Var:TSize/binary>>) -> - {#unix_extra_field{atime = ATime, - mtime = MTime, - uid = UID, - gid = GID}, - Var}; -unix_extra_field_and_var_from_bin(_) -> - throw(bad_unix_extra_field). - %% A pwrite-like function for iolists (used by memory-option) pwrite_binary(B, Pos, Bin) when byte_size(B) =:= Pos -> |