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

gvanrossum · gvanrossum · commit ec24c1bc32d0 · 2001-03-22T00:19:22.000Z
This fixes SF bug #410146 (python 2.1b shelve is broken).
diff --git 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));

Original file line number	Diff line number	Diff line change
`@@ -427,7 +427,7 @@ bsddb_keys(bsddbobject dp, PyObject args)`
`427`	`427`	`if (data != NULL) memcpy(data,krec.data,krec.size);`
`428`	`428`	`}`
`429`	`429`	`BSDDB_END_SAVE(dp)`
`430`		`- if (data==NULL) return PyErr_NoMemory();`
	`430`	`+ if (status == 0 && data==NULL) return PyErr_NoMemory();`
`431`	`431`	`while (status == 0) {`
`432`	`432`	`if (dp->di_type == DB_RECNO)`
`433`	`433`	`item = PyInt_FromLong(((int)data));`