commit 3466bde1cc113750450ffed028cc6fc7c95faedd
author Victor Stinner <victor.stinner@gmail.com> Mon Sep 05 18:16:01 2016 -0700
committer Victor Stinner <victor.stinner@gmail.com> Mon Sep 05 18:16:01 2016 -0700
tree 231febf716064e61b742a058c60da523c8b30fe3
parent ad8c83ad6b91bebbc124c0c36e67b9836ca3d90f

Avoid calling functions with an empty string as format string

Directly pass NULL rather than an empty string.

Modules/faulthandler.c

diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index d6322d0..8969b4c 100644
--- a/Modules/faulthandler.c
+++ b/Modules/faulthandler.c
@@ -168,7 +168,7 @@
         return fd;
     }
 
-    result = _PyObject_CallMethodId(file, &PyId_fileno, "");
+    result = _PyObject_CallMethodId(file, &PyId_fileno, NULL);
     if (result == NULL)
         return -1;
 
@@ -186,7 +186,7 @@
         return -1;
     }
 
-    result = _PyObject_CallMethodId(file, &PyId_flush, "");
+    result = _PyObject_CallMethodId(file, &PyId_flush, NULL);
     if (result != NULL)
         Py_DECREF(result);
     else {
@@ -1290,7 +1290,7 @@
     if (module == NULL) {
         return -1;
     }
-    res = _PyObject_CallMethodId(module, &PyId_enable, "");
+    res = _PyObject_CallMethodId(module, &PyId_enable, NULL);
     Py_DECREF(module);
     if (res == NULL)
         return -1;