Method ReadLine

IO/Legacy/vtkDataReader.cxx:254–277

------------------------------------------------------------------------------ Internal function to read in a line up to 256 characters. Returns zero if there was an error.

// Internal function to read in a line up to 256 characters.
// Returns zero if there was an error.
int vtkDataReader::ReadLine(char result[256])
{
  this->IS->getline(result, 256);
  if (this->IS->fail())
  {
    if (this->IS->eof())
    {
      return 0;
    }
    if (this->IS->gcount() == 255)
    {
      // Read 256 chars; ignoring the rest of the line.
      this->IS->clear();
      this->IS->ignore(VTK_INT_MAX, '\n');
    }
  }
  // remove '\r', if present.
  size_t slen = strlen(result);
  if (slen > 0 && result[slen - 1] == '\r')
  {
    result[slen - 1] = '\0';
  }
  return 1;
}

//------------------------------------------------------------------------------
// Internal function to read in a string up to 256 characters.