Method SetFileName

IO/Geometry/vtkPTSReader.cxx:56–84

------------------------------------------------------------------------------ vtkSetStringMacro except we clear some variables if we update the value

//------------------------------------------------------------------------------
// vtkSetStringMacro except we clear some variables if we update the value
void vtkPTSReader::SetFileName(const char* filename)
{
  vtkDebugMacro(<< this->GetClassName() << " (" << this << "): setting FileName to " << filename);
  if (this->FileName == nullptr && filename == nullptr)
  {
    return;
  }
  if (this->FileName && filename && !strcmp(this->FileName, filename))
  {
    return;
  }
  delete[] this->FileName;
  if (filename)
  {
    size_t n = strlen(filename) + 1;
    char* cp1 = new char[n];
    const char* cp2 = (filename);
    this->FileName = cp1;
    do
    {
      *cp1++ = *cp2++;
    } while (--n);
  }
  else
  {
    this->FileName = nullptr;
  }
  this->Modified();
}

//------------------------------------------------------------------------------
int vtkPTSReader::RequestInformation(vtkInformation* vtkNotUsed(request),