Bug?

[Rob Ross-2]

Got this from a user of mine:

>I think we're hitting a bug in gzip. User reports this:
>
> gunzip -l does not report accurate stats for files that exceed 2GB
>
>
> > gunzip -l rel163.*
> compressed uncompressed ratio   uncompressed_name
> 1905172189 49688191    -3734.3% rel163.fsa_aa
> 876480857  2158008959     59.4% rel163.no_CON.fsa_aa
> 2781653046 2207697150    -26.0% (totals)
>
> The rel163.fsa_aa file is 4+ GB in size.
>
>
>  We're running the most up-to-date gzip you guys have on the site for
>  SLES9SP3: gzip-1.3.5-136.13

is this indeed a bug and fixed in a later version or is it a bug that needs fixing (or not a bug at all?)?  Thanks.




Rob Ross
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[Paul Eggert]

That is due to a limitation in the gzip format, which was designed by
someone who thought files would never exceed 4 GiB in size.  It's documented in the manual.