[Question] How to check Zipped file format on LibreOffice

DaeHyun Sung sungdh86 at gmail.com
Wed Nov 24 17:40:24 UTC 2021

Dear, Caolán McNamara.

Thanks for your reply.

Hmm, I have hwp v3.0 file and hwp v5.0 file.

I also attached test hwp v5.0 file "hello.hwp" and hwp v3.0 file

also check it please. Then, I'll read the
writerfilter/source/filter/WriterFilter.cxx file.

DaeHyun Sung(DaeHyun Sung(성대현, 成大鉉, ソン・デヒョン)

2021년 11월 25일 (목) 오전 2:31, Caolán McNamara <caolanm at redhat.com>님이 작성:

> On Thu, 2021-11-25 at 01:56 +0900, DaeHyun Sung wrote:
> > It is zipped Compound File Binary Format. So, I added read & check
> > zipped format
> I downloaded the attachment and I don't think its zipped (unzip -l
> fails to show any structure), I think its just a Compound File Binary
> Format (like the older msoffice file formats) where "gsf list filename"
> does show its structure.
> writerfilter/source/filter/WriterFilter.cxx:260 might be closer to what
> you want, there a oox::ole::OleStorage is created from an XInputStream,
> like you have in your case, and its ::isStorage should return true if
> the file is a CFBF.

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