[petsc-dev] Uninitialised variable

Smith, Barry F. bsmith at mcs.anl.gov
Sat Dec 23 11:44:10 CST 2017


  Pierre,

    No, it is not necessary because PetscNew (and PetscNewLog()) always zero the memory they allocate.

  Barry


> On Dec 23, 2017, at 7:43 AM, Pierre Jolivet <pierre.jolivet at enseeiht.fr> wrote:
> 
> Hello,
> Shouldn’t to->sharedcnt be initialised to 0 before its first use here https://bitbucket.org/petsc/petsc/src/d209cd380f7aba331915877696c8ffe10e8df5ea/src/vec/vec/utils/vpscat.c?at=master&fileviewer=file-view-default#vpscat.c-2387, like from->sharedcnt is set to 0 there https://bitbucket.org/petsc/petsc/src/d209cd380f7aba331915877696c8ffe10e8df5ea/src/vec/vec/utils/vpscat.c?at=master&fileviewer=file-view-default#vpscat.c-2426 ?
> 
> Thanks,
> Pierre



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