Re: [Vala] Strangeness with sorting using Gee ArrayList

[Ali Sabil <ali sabil gmail com>]

On Sun, Jun 13, 2010 at 1:53 PM, Christer <christer nissen gmail com> wrote:
> Hi Ali,
>
> Thanks a lot for testing it. Would you mind testing it against your /usr/bin
> folder that probably has lots of files? For me, I can list folders with a
> small amount of files with no problem, but not large folders like /usr/bin
> (mine has 2069 files).
>
> / Christer
I tried it on /usr/bin before replying (my /usr/bin has 2906 files)

Cheers,
Ali


> 2010/6/13 Ali Sabil <ali sabil gmail com>
> > On Sun, Jun 13, 2010 at 12:45 PM, Christer <christer nissen gmail com>
> > wrote:
> > > Hi all,
> > >
> > > Ive been stuck with this problem for a week now. I have been asking on
> > > the
> > > irc channel as well but nobody so far has been able to see a problem
> > > with
> > > the code. I have gotten the suggestion to compile gee with debug info to
> > > dig
> > > deeper but I dont know how to do that. Im just a newbie using prebuilt
> > > packages. Im providing a test case below so anyone can compile and run
> > > it
> > > and maybe help me spot the problem. Could this be a bug in Gee?
> > >
> > > TEST CASE CODE
> > > =====================
> > > http://pastebin.com/ufnyXdpg
> > >
> > > - Replace directory path at line 93 with your own testing paths.
> > > - Try folders with many files and folders, it tends to cause the crash.
> > > - If you comment out the sorting at line 71, the program will not crash,
> > > so
> > > it seems to be the bad guy.
> > >
> > >
> > > COMPILER WARNINGS
> > > ==================
> > > gui.vala:22.1-22.25: warning: method `GUI.abort_started' never used
> > > gui.vala:28.1-28.26: warning: method `GUI.abort_complete' never used
> > > Test.vala.c: In function ‘file2_gee_comparable_interface_init’:
> > > Test.vala.c:323:20: warning: assignment from incompatible pointer type
> > > DirList.vala.c: In function
> > > ‘file_info_collection_file_gee_comparable_interface_init’:
> > > DirList.vala.c:318:20: warning: assignment from incompatible pointer
> > > type
> > > <b>Process return 0  execution time: 1.42 s</b>
> > >
> > >
> > > GDB OUTPUT:
> > > ===========
> > > (gdb) run
> > > Starting program: /home/chriniss/Code/Vala_Workspace/Static/Static
> > > [Thread debugging using libthread_db enabled]
> > > (process:4250): GLib-GObject-WARNING **: invalid uninstantiatable type
> > > `(null)' in cast to `GeeComparable'
> > > (process:4250): GLib-GObject-WARNING **: gtype.c:3097: invalid class
> > > pointer
> > > `0x8088790'
> > > Program received signal SIGSEGV, Segmentation fault.
> > > 0xb78cdc67 in gee_comparable_compare_to () from /usr/lib/libgee.so.2
> > >
> > >
> > >
> > > Im hopeful somebody can spot the problem with the code or Gee itself and
> > > I
> > > would really, really appreciate some pointers on how to fix this. Im
> > > stuck...
> > >
> > > Kind regards,
> > > Christer
> >
> > Hi Christer,
> >
> > I just tried your code and it works perfectly here using Vala 0.8.1
> > and libgee 0.5.0
> >
> > Cheers,
> >
> > Ali