commit 381e1a46cd782bc2090c3f718b34682e06380bbd
author Gregory P. Smith <greg@mad-scientist.com> Sat Oct 06 16:05:18 2007 +0000
committer Gregory P. Smith <greg@mad-scientist.com> Sat Oct 06 16:05:18 2007 +0000
tree dae937034e88a0a9ad7263be6404fc6fc3375d6b
parent 76ee2272ff86ad34cd082bc57b7584d36a9b3f28

Backport rev 58343: fix DBSequence.get_key() to not crash/fail/etc.

Modules/_bsddb.c

diff --git a/Modules/_bsddb.c b/Modules/_bsddb.c
index fc44737..7b31054 100644
--- a/Modules/_bsddb.c
+++ b/Modules/_bsddb.c
@@ -4883,14 +4883,20 @@
 {
     int err;
     DBT key;
+    PyObject *retval;
+    key.flags = DB_DBT_MALLOC;
     CHECK_SEQUENCE_NOT_CLOSED(self)
     MYDB_BEGIN_ALLOW_THREADS
     err = self->sequence->get_key(self->sequence, &key);
     MYDB_END_ALLOW_THREADS
 
+    if (!err)
+        retval = PyString_FromStringAndSize(key.data, key.size); 
+
+    FREE_DBT(key);
     RETURN_IF_ERR();
 
-    return PyString_FromStringAndSize(key.data, key.size);
+    return retval;
 }
 
 static PyObject*