[cgma-dev] cgm-cubit on 32 bit machine

[Tim Tautges]

Is this with 12.2?

- tim

On 07/01/2011 09:49 AM, Iulian Grindeanu wrote:
> Hi Jane,
> I am trying to use cgm, cubit version on my laptop, and there is a crash when running
>
> testgeom tridata1.cub.
>
> This affects other tests in meshkit, which use cubit files as geometry sources.
>
> The memory becomes corrupted (in the debugger) right when CCubitFile is instantiated
> ( NCubitFile::CCubitFile ccf;) , line 6360.
> A variable that holds the string values for file types is defined above.
> const char *model_type_str[6] = {"", "ACIS_SAT", "", "FACET", "", "GRANITE"};
>
> After passing over ( NCubitFile::CCubitFile ccf;)  in the debugger, model_type_str is corrupted.
>
> Maybe tmpnam use is what causes the problem (some say that tmpnam should never be used on linux) I tried something else (like a hard-coded tmp file name) and it did not fix it. So I think we can rule out tmpnam.
>
> Anyway, if I just declare a "buffer" after the file definition, like in
>       NCubitFile::CCubitFile ccf;
>      int buff[10]= {0};buff[1] =0;
>
> the memory does not get corrupted, and testgeom tridata1.cub finishes fine.
>
> So I am wondering if it is something wrong in CCubitFile object/constructor that corrupts the memory.
>
> This does not show up on a 64 bit machine;
>
> Any suggestions?
>
> Iulian
>

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              Tim Tautges            Argonne National Laboratory
          (tautges at mcs.anl.gov)      (telecommuting from UW-Madison)
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