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Issue #13018: Fix reference leaks in error paths in dictobject.c.

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Patch by Suman Saha.
This commit is contained in:
Petri Lehtinen 2011-10-24 21:12:58 +03:00
parent ce77037503
commit a94200e6ce
2 changed files with 15 additions and 4 deletions
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3
Misc/NEWS
View File

@ -10,6 +10,9 @@ What's New in Python 3.2.3?
Core and Builtins
-----------------
- Issue #13018: Fix reference leaks in error paths in dictobject.c.
Patch by Suman Saha.
- Issue #1294232: In a few cases involving metaclass inheritance, the
interpreter would sometimes invoke the wrong metaclass when building a new
class object. These cases now behave correctly. Patch by Daniel Urban.

16
Objects/dictobject.c
View File

@ -1314,14 +1314,18 @@ dict_fromkeys(PyObject *cls, PyObject *args)
PyObject *key;
Py_hash_t hash;
if (dictresize(mp, Py_SIZE(seq)))
if (dictresize(mp, Py_SIZE(seq))) {
Py_DECREF(d);
return NULL;
}
while (_PyDict_Next(seq, &pos, &key, &oldvalue, &hash)) {
Py_INCREF(key);
Py_INCREF(value);
if (insertdict(mp, key, hash, value))
if (insertdict(mp, key, hash, value)) {
Py_DECREF(d);
return NULL;
}
}
return d;
}
@ -1332,14 +1336,18 @@ dict_fromkeys(PyObject *cls, PyObject *args)
PyObject *key;
Py_hash_t hash;
if (dictresize(mp, PySet_GET_SIZE(seq)))
if (dictresize(mp, PySet_GET_SIZE(seq))) {
Py_DECREF(d);
return NULL;
}
while (_PySet_NextEntry(seq, &pos, &key, &hash)) {
Py_INCREF(key);
Py_INCREF(value);
if (insertdict(mp, key, hash, value))
if (insertdict(mp, key, hash, value)) {
Py_DECREF(d);
return NULL;
}
}
return d;
}