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-rw-r--r--Objects/stringobject.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/Objects/stringobject.c b/Objects/stringobject.c
index 40dfc9e..cb37038 100644
--- a/Objects/stringobject.c
+++ b/Objects/stringobject.c
@@ -1043,8 +1043,6 @@ PyString_InternInPlace(p)
interned = PyDict_New();
if (interned == NULL)
return;
- /* Force slow lookups: */
- PyDict_SetItem(interned, Py_None, Py_None);
}
if ((t = PyDict_GetItem(interned, (PyObject *)s)) != NULL) {
Py_INCREF(t);
@@ -1078,10 +1076,6 @@ void
PyString_Fini()
{
int i;
-#ifdef INTERN_STRINGS
- Py_XDECREF(interned);
- interned = NULL;
-#endif
for (i = 0; i < UCHAR_MAX + 1; i++) {
Py_XDECREF(characters[i]);
characters[i] = NULL;
@@ -1090,4 +1084,20 @@ PyString_Fini()
Py_XDECREF(nullstring);
nullstring = NULL;
#endif
+#ifdef INTERN_STRINGS
+ if (interned) {
+ int pos, changed;
+ PyObject *key, *value;
+ do {
+ changed = 0;
+ pos = 0;
+ while (PyDict_Next(interned, &pos, &key, &value)) {
+ if (key->ob_refcnt == 2 && key == value) {
+ PyDict_DelItem(interned, key);
+ changed = 1;
+ }
+ }
+ } while (changed);
+ }
+#endif
}