Re: Problem extracting Zip file

On Tue, Oct 21, 2008 at 2:14 AM, Tim Kientzle <kientzle_at_freebsd.org> wrote:
> Carlos A. M. dos Santos wrote:
>>
>> % fetch
>> http://movies.apple.com/movies/us/apple/mac/macbook/2008/designvideo/apple_new_macbook_video_20081014_848x480.zip
>> % unzip -l apple_new_macbook_video_20081014_848x480.zip
>> Archive:  apple_new_macbook_video_20081014_848x480.zip
>>  Length     Date   Time    Name
>>  --------    ----   ----    ----
>> 153902587  10-14-08 11:46   apple_new_macbook_video_20081014_848x480.mov
>>        0  10-14-08 11:48   __MACOSX/
>>       82  10-14-08 11:46
>> __MACOSX/._apple_new_macbook_video_20081014_848x480.mov
>>
>> Observe that the archive contains two instances of the .mov file but
>> the second one, according to unzip, is only 82 bytes long.
>
> The second file here is actually the Mac OS "resource fork."
>
>> % tar xf apple_new_macbook_video_20081014_848x480.zip
>> apple_new_macbook_video_20081014_848x480.mov: Attempt to write to an empty
>> file
>> __MACOSX/._apple_new_macbook_video_20081014_848x480.mov: Attempt to
>> write to an empty file
>> tar: Error exit delayed from previous errors.
>
> Ouch.  I know what this is.  I recently taught libarchive
> to distinguish "file has zero size" from "the file size is
> unknown" in a lot of cases, but apparently I missed this one.
> The "unknown size" stored in the Zip header here is getting
> incorrectly treated as a zero size.
>
> Please try the attached patch which fixes the Zip reader
> in libarchive to leave the file size "unknown" in
> this case.  Let me know if it fixes the issue for you.
>
> Cheers,
>
> Tim
>

I tested with your recent commit to libarchive (r184109) and it works. Thanks.

-- 
cd /usr/ports/sysutils/life
make clean