Don't raise MemoryError in keys() when the database is empty.

This fixes SF bug #410146 (python 2.1b shelve is broken).

diff --git a/Modules/bsddbmodule.c b/Modules/bsddbmodule.c
index ecfb653d8e44f0796e962b5c8855788f29d8f6d3..be50208b631166ee4969d2c6206689ea464b9b73 100644 (file)
--- a/Modules/bsddbmodule.c
+++ b/Modules/bsddbmodule.c
@@ -427,7 +427,7 @@ bsddb_keys(bsddbobject *dp, PyObject *args)
                if (data != NULL) memcpy(data,krec.data,krec.size);
        }
        BSDDB_END_SAVE(dp)
-       if (data==NULL) return PyErr_NoMemory();
+       if (status == 0 && data==NULL) return PyErr_NoMemory();
        while (status == 0) {
                if (dp->di_type == DB_RECNO)
                        item = PyInt_FromLong(*((int*)data));