Handle set_serial overflow on python 2.6

1 files changed, 5 insertions, 3 deletions

diff --git a/SWIG/_asn1.i b/SWIG/_asn1.i
index a4c7e8e..b51b33f 100644
--- a/SWIG/_asn1.i
+++ b/SWIG/_asn1.i
@@ -148,10 +148,12 @@ int asn1_integer_set(ASN1_INTEGER *asn1, PyObject *value) {
  * PyLong_AsLong shims as provided in
  * /usr/include/python2.7/longobject.h.
  */
-    int overflow = 0;
-    long val = PyLong_AsLongAndOverflow(value, &overflow);
-    if (overflow == 0)
+    long val = PyLong_AsLong(value);
+    if (val >= 0) {
         return ASN1_INTEGER_set(asn1, val);
+    } else {
+        PyErr_Clear();
+    }
 
     if (!PyLong_Check(value)){
         PyErr_SetString(PyExc_TypeError, "expected int or long");