228     Py_ssize_t retstrsize, newpos;  in multibytecodec_encerror()  local
337     newpos = PyInt_AsSsize_t(PyTuple_GET_ITEM(retobj, 1));  in multibytecodec_encerror()
338     if (newpos < 0 && !PyErr_Occurred())  in multibytecodec_encerror()
339         newpos += (Py_ssize_t)(buf->inbuf_end - buf->inbuf_top);  in multibytecodec_encerror()
340     if (newpos < 0 || buf->inbuf_top + newpos > buf->inbuf_end) {  in multibytecodec_encerror()
344                      newpos);  in multibytecodec_encerror()
347     buf->inbuf = buf->inbuf_top + newpos;  in multibytecodec_encerror()
366     Py_ssize_t retunisize, newpos;  in multibytecodec_decerror()  local
447     newpos = PyInt_AsSsize_t(PyTuple_GET_ITEM(retobj, 1));  in multibytecodec_decerror()
448     if (newpos < 0 && !PyErr_Occurred())  in multibytecodec_decerror()
449         newpos += (Py_ssize_t)(buf->inbuf_end - buf->inbuf_top);  in multibytecodec_decerror()
450     if (newpos < 0 || buf->inbuf_top + newpos > buf->inbuf_end) {  in multibytecodec_decerror()
454                      newpos);  in multibytecodec_decerror()
457     buf->inbuf = buf->inbuf_top + newpos;  in multibytecodec_decerror()