514         Py_ssize_t start, stop, step, slicelength, cur, i;  in buffer_subscript()  local
517                          &start, &stop, &step, &slicelength) < 0) {  in buffer_subscript()
521         if (slicelength <= 0)  in buffer_subscript()
529             char *result_buf = (char *)PyMem_Malloc(slicelength);  in buffer_subscript()
534             for (cur = start, i = 0; i < slicelength;  in buffer_subscript()
540                                                 slicelength);  in buffer_subscript()
701         Py_ssize_t start, stop, step, slicelength;  in buffer_ass_subscript()  local
704                         &start, &stop, &step, &slicelength) < 0)  in buffer_ass_subscript()
710         if (othersize != slicelength) {  in buffer_ass_subscript()
717         if (slicelength == 0)  in buffer_ass_subscript()
720             memcpy((char *)ptr1 + start, ptr2, slicelength);  in buffer_ass_subscript()
726             for (cur = start, i = 0; i < slicelength;  in buffer_ass_subscript()