aLine += c;
aLine.Append(c);
cookie_GetLine(nsInputFileStream strm, nsAutoString& aLine) {  /* read the line */  aLine.Truncate();  char c;  for (;;) {    c = strm.get();    if (c == '\n') {      break;    }    /* note that eof is not set until we read past the end of the file */    if (strm.eof()) {      return -1;    }    if (c != '\r') {      aLine += c;    }  }  return 0;}