Limit string size on one-character-strings. Fixes #480384.
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index e6f5ef1..c22b500 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -1654,7 +1654,7 @@
 
   ch = erasechar();
 
-  return PyString_FromString(&ch);
+  return PyString_FromStringAndSize(&ch, 1);
 }
 
 static PyObject *
@@ -2012,7 +2012,7 @@
 
   ch = killchar();  
 
-  return PyString_FromString(&ch);  
+  return PyString_FromStringAndSize(&ch, 1);  
 }  
 
 static PyObject *