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From "Stefan Bodewig (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COMPRESS-182) Support big or even negative numbers in all numeric TAR headers
Date Sun, 04 Mar 2012 07:50:00 GMT

    [ https://issues.apache.org/jira/browse/COMPRESS-182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221821#comment-13221821
] 

Stefan Bodewig commented on COMPRESS-182:
-----------------------------------------

Read support should be complete with svn revision 1296764
                
> Support big or even negative numbers in all numeric TAR headers
> ---------------------------------------------------------------
>
>                 Key: COMPRESS-182
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-182
>             Project: Commons Compress
>          Issue Type: Improvement
>          Components: Archivers
>    Affects Versions: 1.3
>            Reporter: Stefan Bodewig
>             Fix For: 1.4
>
>
> This is a superset of the functionality that addressed COMPRESS-175
> Jörg Schillig's star and GNU tar may use binary encoding for all numeric fields, PAX/POSIX
also provides them inside the extension headers.
> The timestamp field may even contain negative numbers.
> IMHO Commons Compress should:
> * be able to parse numeric fields using binary encoding (positive and negative)
> * fix the current binary parser (see discussion in COMPRESS-16) and add a workaround
for broken writers (see COMPRESS-181)
> * be able to parse all standard fields of PAX headers, including the numeric ones (I
haven't checked, maybe it already does)
> * have an option to write numbers too big/small in binary encoding much like BIGFILE_STAR
does for the file size in trunk
> * have an option to write numbers too big/small in PAX headers much like BIGFILE_POSIX
does for the file size in trunk
> * replace bigFileMode and the constants with a more generic property that controls all
numeric fields.  We can remove the bigFileMode stuff as it has been added after the 1.3 release.

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