[vtk-developers] new warnings: explicitly assigning a variable to itself

Brad King brad.king at kitware.com
Mon Jan 17 12:01:44 EST 2011


On 01/17/2011 11:21 AM, Sean McBride wrote:
>   error = 0; error = error;
> 
> The warning is:
> 
> Charts/vtkPlotPointsTcl.cxx:43:20: warning: explicitly assigning a
> variable of type 'int' to itself [-Wself-assign]
>   error = 0; error = error;
>              ~~~~~ ^ ~~~~~
> 
> The purpose of "error = error" escapes me, and yet this pattern is
> repeated in many files... 

It is generated by vtkWrapTcl.c, and was added in 1999:

  http://vtk.org/gitweb?p=VTK.git;a=commitdiff;h=31eb8902#patch35

Jim, I don't suppose you remember why?

Thanks,
-Brad



More information about the vtk-developers mailing list