From kstars-devel  Mon Aug 10 18:56:46 2009
From: Khudyakov Alexey <alexey.skladnoy () gmail ! com>
Date: Mon, 10 Aug 2009 18:56:46 +0000
To: kstars-devel
Subject: Re: [Kstars-devel] Could not install USNO NOMAD
Message-Id: <200908102301.04314.alexey.skladnoy () gmail ! com>
X-MARC-Message: https://marc.info/?l=kstars-devel&m=124993060615429

В сообщении от Понедельник 10 августа 2009 22:43:10 автор JeaMY Lee написал:
> hello,
>
> fresh USNO-download with kstars ends in:
>
> "QFile::at: Cannot set file position -2121848832"
>
> the packed file with the "USNO-NOMAD-1e8.dat" was downloaded fully and
> without errors from the server and stored in a random file.
> -rw-r--r--  1 jeamy users 1450631611 10. Aug 18:47 Vj8hE66fAm
>
> but the decompression failed with the error above.
> see file size of the tar file (unpacked with KNewStuff2) against the
> unpacked file :
> -rw-------  1 jeamy users 2173122560 10. Aug 18:49 ktar-w26300.tar
> -rw-r--r--  1 jeamy users 2173117930 10. Aug 18:51 USNO-NOMAD-1e8.dat
>
> i did the decompression it on the command line to verify the integrity
> of the downloaded file.
> it works perfectly.
>
> conclusion: the automatic download succeeds, but the decompression fails
> at some point.
> jeamy

I think it's 32-bit failure. 
> -rw-------  1 jeamy users 2173122560 10. Aug 18:49 ktar-w26300.tar
Slightly bigger than 2^31

> "QFile::at: Cannot set file position -2121848832" 
About -2e+9 ~ 2^31

Probably int was used for storing of position instead of qint64.
I suspect bug in KNewStuff2. 
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