check for errors after PyLong_Ssize_t

patch from Victor Stinner #3977 reviewed by Amaury

check for errors after PyLong_Ssize_t
patch from Victor Stinner #3977 reviewed by Amaury
c9e435ee · Benjamin Peterson · a8a93042 · c9e435ee
Commit c9e435ee authored Sep 30, 2008 by Benjamin Peterson
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Modules/_stringio.c Modules/_stringio.c +4 -0

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--- 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. */