diff options
Diffstat (limited to 'Objects/sliceobject.c')
| -rw-r--r-- | Objects/sliceobject.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Objects/sliceobject.c b/Objects/sliceobject.c index 075418e..8748fed 100644 --- a/Objects/sliceobject.c +++ b/Objects/sliceobject.c @@ -169,8 +169,9 @@ PySlice_GetIndicesEx(PySliceObject *r, Py_ssize_t length, else { if (!_PyEval_SliceIndex(r->stop, stop)) return -1; if (*stop < 0) *stop += length; - if (*stop < 0) *stop = -1; - if (*stop > length) *stop = length; + if (*stop < 0) *stop = (*step < 0) ? -1 : 0; + if (*stop >= length) + *stop = (*step < 0) ? length - 1 : length; } if ((*step < 0 && *stop >= *start) |