zip64 support

A C++/Qt ZIP library

Brought to you by: alqualos

This project can now be found here.

#15 zip64 support

Milestone: Next_Release_(example)

Status: closed

Owner: nobody

Labels: None

Priority: 5

Updated: 2014-01-26

Created: 2012-06-26

Creator: hilt2

Private: No

please add support for big .zip files (>4 GB):
http://www.pkware.com/documents/APPNOTE/APPNOTE-4.5.0.txt

BTW: the home page still says "0.4.3"

Discussion

Sergey A. Tachenov - 2012-06-27

There are no plans to support zip64 at this moment. It's not supported by the backend, and it's not that easy either.

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Sergey A. Tachenov - 2012-06-27

status: open --> pending
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

hilt2 - 2012-06-27

as far as I understand the compression algorithm is the same - LZW and zlib can handle it

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

hilt2 - 2012-06-27

status: pending --> open
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Sergey A. Tachenov - 2012-06-27

status: open --> pending
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Sergey A. Tachenov - 2012-06-27

Zlib, yes. The backend (minizip), no. Which means that I have to hack into its internals, which is possible, but not easy. Maybe someday, but not in the nearest future. If anyone else wishes to do it, patches are always welcome, though.

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

hilt2 - 2012-11-21

status: pending --> open
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

hilt2 - 2012-11-21

this page says that minizip 1.1 supports zip64: http://www.winimage.com/zLibDll/minizip.html

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Sergey A. Tachenov - 2012-11-22

Yes, I know. But it will still take some effort to merge my modifications to minizip into the latest minizip version. And there's also the issue of binary compatibility - some structures like QuaZipFileInfo and QuaZipNewInfo use 32-bit integers for file sizes. I think I'll have to break binary compatibility or provide an option to disable 64-bit support for those who really like to maintain binary compatibility.

But at least it's doable now, so I'll leave this open.

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Sergey A. Tachenov - 2014-01-26

Finally implemented in 0.6/0.6.1

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Sergey A. Tachenov - 2014-01-26

status: open --> closed

Group: --> Next_Release_(example)
If you would like to refer to this comment somewhere else in this project, copy and paste the following link: