[Toybox] [BUG] du applet prints wrong output for 2GB+ files

[enh]

the attached patch fixes LP32 for me, without obviously breaking
anything. a quick grep didn't show any obvious case where making
dirtree::extra larger would break anything, but rob will know
better...

On Thu, Sep 29, 2016 at 11:37 AM, darken <darken at darken.eu> wrote:
> Why isn't `TT.total` the issue?
>
> I couldn't find `dirtree::extra`, could you link me to that?
>
> A patch would consist of changing one or more `long` into `long long`?
>
> 2016-09-29 20:22 GMT+02:00 enh <enh at google.com>:
>>
>> (looks like the real problem is dirtree::extra is long.)
>>
>> On Thu, Sep 29, 2016 at 11:17 AM, enh <enh at google.com> wrote:
>> > works for me on Nexus 9. looks like du.c's TT.total is a signed long,
>> > so on LP32...
>> >
>> > On Thu, Sep 29, 2016 at 11:07 AM, darken <darken at darken.eu> wrote:
>> >> The du applet prints a ridiculously large size if the total size
>> >> exceeds
>> >> 2GB.
>> >>
>> >> Reproduced on a Nexus5 with Android 6.0, but I don't think this is
>> >> Android
>> >> specific.
>> >> It doesn't matter if it's multiple files or a single one.
>> >> Could reproduce it by dd'ing a 2GB file full of zeros.
>> >>
>> >>> root at hammerhead:/cache # busybox du -hs /sdcard/2GBTestFile
>> >>>
>> >>> 2.5G    /sdcard/2GBTestFile
>> >>>
>> >>> root at hammerhead:/cache # ./toybox-armv6l du -s /sdcard/2GBTestFile
>> >>>
>> >>> 18446744073707954404    /sdcard/2GBTestFile
>> >>>
>> >>> root at hammerhead:/cache # ./toybox-armv6l du -hs /sdcard/2GBTestFile
>> >>>
>> >>> 16E     /sdcard/2GBTestFile
>> >>
>> >>
>> >> This ticket has more console logs showing the issue.
>> >> https://github.com/landley/toybox/issues/51
>> >>
>> >>
>> >>
>> >> _______________________________________________
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>> >> Toybox at lists.landley.net
>> >> http://lists.landley.net/listinfo.cgi/toybox-landley.net
>> >>
>> >
>> >
>> >
>> > --
>> > Elliott Hughes - http://who/enh - http://jessies.org/~enh/
>> > Android native code/tools questions? Mail me/drop by/add me as a
>> > reviewer.
>>
>>
>>
>> --
>> Elliott Hughes - http://who/enh - http://jessies.org/~enh/
>> Android native code/tools questions? Mail me/drop by/add me as a reviewer.
>
>



-- 
Elliott Hughes - http://who/enh - http://jessies.org/~enh/
Android native code/tools questions? Mail me/drop by/add me as a reviewer.
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