diff options
Diffstat (limited to 'Objects/iterobject.c')
| -rw-r--r-- | Objects/iterobject.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Objects/iterobject.c b/Objects/iterobject.c index a407dd5..25e4e11 100644 --- a/Objects/iterobject.c +++ b/Objects/iterobject.c @@ -74,8 +74,16 @@ iter_iternext(PyObject *iterator) static int iter_len(seqiterobject *it) { - if (it->it_seq) - return PyObject_Size(it->it_seq) - it->it_index; + int seqsize, len; + + if (it->it_seq) { + seqsize = PySequence_Size(it->it_seq); + if (seqsize == -1) + return -1; + len = seqsize - it->it_index; + if (len >= 0) + return len; + } return 0; } |