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Raise more correct exception on overflow in setting buffer_size attribute of

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expat parser.
This commit is contained in:
Serhiy Storchaka 2015-09-07 22:51:56 +03:00
parent 931331a328
commit de5f9f4f70
2 changed files with 10 additions and 6 deletions
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13
Modules/pyexpat.c
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@ -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];