From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 30 Sep 2008 02:22:04 +0000 (+0000)
Subject: check for errors after PyLong_Ssize_t
X-Git-Tag: v3.0rc2~127
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c9e435ee2b3e9fc883799480ad1fdb506c8f6a3f;p=thirdparty%2FPython%2Fcpython.git

check for errors after PyLong_Ssize_t

patch from Victor Stinner #3977
reviewed by Amaury
---

diff --git a/Modules/_stringio.c b/Modules/_stringio.c
index 83fc79ef30ca..d29fe64eba70 100644
--- a/Modules/_stringio.c
+++ b/Modules/_stringio.c
@@ -177,6 +177,10 @@ stringio_truncate(StringIOObject *self, PyObject *args)
 
     if (PyLong_Check(arg)) {
         size = PyLong_AsSsize_t(arg);
+        if (size == -1 && PyErr_Occurred())
+            return NULL;
+        if (size == -1 && PyErr_Occurred())
+            return NULL;
     }
     else if (arg == Py_None) {
         /* Truncate to current position if no argument is passed. */