python/generic.h: Fix a memory leak (leaking on every unicode string).

1 files changed, 3 insertions, 1 deletions

diff --git a/python/generic.h b/python/generic.h
index 31c1bc2d..fc2a6c06 100644
--- a/python/generic.h
+++ b/python/generic.h
@@ -79,7 +79,9 @@ typedef int Py_ssize_t;
 
 static inline const char *PyUnicode_AsString(PyObject *op) {
     // Convert to bytes object, using the default encoding.
-    PyObject *bytes = PyUnicode_AsEncodedString(op,0,0);
+    // Use Python-internal API, there is no other way to do this
+    // without a memory leak.
+    PyObject *bytes = _PyUnicode_AsDefaultEncodedString(op, 0);
     return bytes ? PyBytes_AS_STRING(bytes) : 0;
 }