New subject: [Bug 821877] Archiving/unzip: can't handle compressed files with CP936(Chinese) encoding with librcc patch

27 May 2013

      https://bugzilla.novell.com/show_bug.cgi?id=821877

https://bugzilla.novell.com/show_bug.cgi?id=821877#c0

           Summary: Archiving/unzip: can't handle compressed files with
                    CP936(Chinese) encoding with librcc patch
    Classification: openSUSE
           Product: openSUSE.org
           Version: unspecified
          Platform: All
        OS/Version: openSUSE 12.3
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: 3rd party software
        AssignedTo: pth@suse.com
        ReportedBy: i@marguerite.su
         QAContact: opensuse-communityscreening@forge.provo.novell.com
          Found By: Community User
           Blocker: No

Hi, 

Some time ago, I want to fix the "unrecognizable character with Chinese
encodings" problem for unzip.

So I adapted iconv patch for unzip from Archlinux and made a package.

patch: https://aur.archlinux.org/packages/unzip-iconv/?setlang=zh_CN

After some testing, I found my adapted patch was overriden by our own librcc
patch(internally, they can be both applied, but librcc will take over
everything about codepage, iconv has no chance), which means we have done
things to resolve that problem.

But that librcc patch can't do anything with Chinese (And I can't apply my
patch):

use the zip file I uploaded, try to unzip it.

I tested it with 12.2 and 12.3, with built unzip rpms from Archiving repo.
(librcc version 0.2.10)

I built the source to a deb on Ubuntu 12.04, failed. (librcc version 0.2.9)

But some Arch users told me it displays good on their systems with the same
source (librcc version 0.2.6) 

So the things we can do are:

fix the patch itself or librcc (we have to confirm with librcc upstream to see
if CJK is included in the "many languages" mentioned in our librcc description)

if librcc can't, drop the patch and find another one supports CJK and European
encodings well. because we can't fulfill some users' needs by compromising
others'.

Actually community users have found one: libnatspec, from Altlinux. it seems to
be a successor of the iconv patch (icon patch is named alt-iconv-*.patch). And
it seems to be the best over the Internet.

I don't have the required knowledge to debug any deeper, so I need a developer
to take a look at our librcc.

Greetings

Marguerite

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[Bug 821877] New: Archiving/unzip: can't handle compressed files with CP936(Chinese) encoding with librcc patch

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