558     char *newline = "\n";  in stringio_init()  local
561                                      &value, &newline))  in stringio_init()
564     if (newline && newline[0] != '\0'  in stringio_init()
565         && !(newline[0] == '\n' && newline[1] == '\0')  in stringio_init()
566         && !(newline[0] == '\r' && newline[1] == '\0')  in stringio_init()
567         && !(newline[0] == '\r' && newline[1] == '\n' && newline[2] == '\0')) {  in stringio_init()
569                      "illegal newline value: %s", newline);  in stringio_init()
585     if (newline) {  in stringio_init()
586         self->readnl = PyString_FromString(newline);  in stringio_init()
590     self->readuniversal = (newline == NULL || newline[0] == '\0');  in stringio_init()
591     self->readtranslate = (newline == NULL);  in stringio_init()
598     if (newline != NULL && newline[0] == '\r') {  in stringio_init()
599         self->writenl = PyUnicode_FromString(newline);  in stringio_init()