Merged revisions 87648,87656 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r87648 | alexander.belopolsky | 2011-01-02 15:48:22 -0500 (Sun, 02 Jan 2011) | 1 line

  Issue #8013: Fixed time.asctime segfault when OS's asctime fails
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  r87656 | alexander.belopolsky | 2011-01-02 17:16:10 -0500 (Sun, 02 Jan 2011) | 1 line

  Issue #8013: Fixed test
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Lib/test/test_time.py

@@ -124,6 +124,16 @@ class TimeTestCase(unittest.TestCase):
     def test_asctime(self):
         time.asctime(time.gmtime(self.t))
         self.assertRaises(TypeError, time.asctime, 0)
+        self.assertRaises(TypeError, time.asctime, ())
+        # XXX: Posix compiant asctime should refuse to convert
+        # year > 9999, but Linux implementation does not.
+        # self.assertRaises(ValueError, time.asctime,
+        #                  (12345, 1, 0, 0, 0, 0, 0, 0, 0))
+        # XXX: For now, just make sure we don't have a crash:
+        try:
+            time.asctime((12345, 1, 0, 0, 0, 0, 0, 0, 0))
+        except ValueError:
+            pass
 
     @unittest.skipIf(not hasattr(time, "tzset"),
         "time module has no attribute tzset")

Modules/timemodule.c

@@ -643,6 +643,10 @@ time_asctime(PyObject *self, PyObject *args)
     } else if (!gettmarg(tup, &buf))
         return NULL;
     p = asctime(&buf);
+    if (p == NULL) {
+        PyErr_SetString(PyExc_ValueError, "invalid time");
+        return NULL;
+    }
     if (p[24] == '\n')
         p[24] = '\0';
     return PyUnicode_FromString(p);