Commit de5f9f4f authored by Serhiy Storchaka's avatar Serhiy Storchaka

Raise more correct exception on overflow in setting buffer_size attribute of

expat parser.
parent 931331a3
......@@ -3,6 +3,7 @@
from io import BytesIO
import os
import sys
import sysconfig
import unittest
import traceback
......@@ -543,6 +544,8 @@ class ChardataBufferTest(unittest.TestCase):
parser.buffer_size = -1
with self.assertRaises(ValueError):
parser.buffer_size = 0
with self.assertRaises((ValueError, OverflowError)):
parser.buffer_size = sys.maxsize + 1
with self.assertRaises(TypeError):
parser.buffer_size = 512.0
......
......@@ -1403,17 +1403,18 @@ xmlparse_setattro(xmlparseobject *self, PyObject *name, PyObject *v)
return -1;
}
new_buffer_size=PyLong_AS_LONG(v);
new_buffer_size = PyLong_AsLong(v);
if (new_buffer_size <= 0) {
if (!PyErr_Occurred())
PyErr_SetString(PyExc_ValueError, "buffer_size must be greater than zero");
return -1;
}
/* trivial case -- no change */
if (new_buffer_size == self->buffer_size) {
return 0;
}
if (new_buffer_size <= 0) {
PyErr_SetString(PyExc_ValueError, "buffer_size must be greater than zero");
return -1;
}
/* check maximum */
if (new_buffer_size > INT_MAX) {
char errmsg[100];
......
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