Method ReadLine

IO/MINC/vtkMNIObjectReader.cxx:126–151

------------------------------------------------------------------------------ Internal function to read in a line up to 256 characters and then skip to the next line in the file.

// Internal function to read in a line up to 256 characters and then
// skip to the next line in the file.
int vtkMNIObjectReader::ReadLine(char* line, unsigned int maxlen)
{
  this->LineNumber++;
  istream& infile = *this->InputStream;

  infile.getline(line, maxlen);
  this->CharPointer = line;

  if (infile.fail())
  {
    if (infile.eof())
    {
      return 0;
    }
    if (infile.gcount() == 255)
    {
      // Read 256 chars; ignoring the rest of the line.
      infile.clear();
      infile.ignore(VTK_INT_MAX, '\n');
      vtkWarningMacro(
        "Overlength line (limit is 255) in " << this->FileName << ":" << this->LineNumber);
    }
  }

  return 1;
}

//------------------------------------------------------------------------------
// Skip all whitespace, reading additional lines if necessary