208     Py_ssize_t retstrsize, newpos;  in multibytecodec_encerror()  local
334     newpos = PyLong_AsSsize_t(PyTuple_GET_ITEM(retobj, 1));  in multibytecodec_encerror()
335     if (newpos < 0 && !PyErr_Occurred())  in multibytecodec_encerror()
336         newpos += (Py_ssize_t)buf->inlen;  in multibytecodec_encerror()
337     if (newpos < 0 || newpos > buf->inlen) {  in multibytecodec_encerror()
341                      newpos);  in multibytecodec_encerror()
344     buf->inpos = newpos;  in multibytecodec_encerror()
363     Py_ssize_t newpos;  in multibytecodec_decerror()  local
441     newpos = PyLong_AsSsize_t(PyTuple_GET_ITEM(retobj, 1));  in multibytecodec_decerror()
442     if (newpos < 0 && !PyErr_Occurred())  in multibytecodec_decerror()
443         newpos += (Py_ssize_t)(buf->inbuf_end - buf->inbuf_top);  in multibytecodec_decerror()
444     if (newpos < 0 || buf->inbuf_top + newpos > buf->inbuf_end) {  in multibytecodec_decerror()
448                      newpos);  in multibytecodec_decerror()
451     buf->inbuf = buf->inbuf_top + newpos;  in multibytecodec_decerror()