779         Py_ssize_t start, stop, step, slicelen;  in mmap_subscript()  local
784         slicelen = PySlice_AdjustIndices(self->size, &start, &stop, step);  in mmap_subscript()
786         if (slicelen <= 0)  in mmap_subscript()
790                                               slicelen);  in mmap_subscript()
792             char *result_buf = (char *)PyMem_Malloc(slicelen);  in mmap_subscript()
798             for (cur = start, i = 0; i < slicelen;  in mmap_subscript()
803                                                 slicelen);  in mmap_subscript()
886         Py_ssize_t start, stop, step, slicelen;  in mmap_ass_subscript()  local
892         slicelen = PySlice_AdjustIndices(self->size, &start, &stop, step);  in mmap_ass_subscript()
900         if (vbuf.len != slicelen) {  in mmap_ass_subscript()
907         if (slicelen == 0) {  in mmap_ass_subscript()
910             memcpy(self->data + start, vbuf.buf, slicelen);  in mmap_ass_subscript()
916                  i < slicelen;  in mmap_ass_subscript()