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| author | Raymond Hettinger <python@rcn.com> | 2003-08-30 00:10:06 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2003-08-30 00:10:06 (GMT) |
| commit | 4f01f89b8c35235acfc93bcc4f6fe1b2645c0295 (patch) | |
| tree | ee7a2e5d11a9b4942316825447091a5e77ff6701 | |
| parent | a56f6b6600ea8906562cfaa31859b72a53a8c0d7 (diff) | |
| download | cpython-4f01f89b8c35235acfc93bcc4f6fe1b2645c0295.zip cpython-4f01f89b8c35235acfc93bcc4f6fe1b2645c0295.tar.gz cpython-4f01f89b8c35235acfc93bcc4f6fe1b2645c0295.tar.bz2 | |
For safety, replace a tuple entry before decreffing it.
| -rw-r--r-- | Modules/itertoolsmodule.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index 4dca054..68e176f 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -1591,6 +1591,7 @@ izip_next(izipobject *lz) PyObject *result = lz->result; PyObject *it; PyObject *item; + PyObject *olditem; if (tuplesize == 0) return NULL; @@ -1604,8 +1605,9 @@ izip_next(izipobject *lz) Py_DECREF(result); return NULL; } - Py_DECREF(PyTuple_GET_ITEM(result, i)); + olditem = PyTuple_GET_ITEM(result, i); PyTuple_SET_ITEM(result, i, item); + Py_DECREF(olditem); } } else { result = PyTuple_New(tuplesize); |