Add check in long-to-int conversion for at least one digit.
diff --git a/Objects/longobject.c b/Objects/longobject.c
index 9657c08..d638c64 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -453,6 +453,7 @@
int base;
{
int sign = 1;
+ char *start;
PyLongObject *z;
if ((base != 0 && base < 2) || base > 36) {
@@ -481,6 +482,7 @@
if (base == 16 && str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
str += 2;
z = _PyLong_New(0);
+ start = str;
for ( ; z != NULL; ++str) {
int k = -1;
PyLongObject *temp;
@@ -497,6 +499,11 @@
Py_DECREF(z);
z = temp;
}
+ if (str == start) {
+ PyErr_SetString(PyExc_ValueError,
+ "no digits in long int constant");
+ return NULL;
+ }
if (sign < 0 && z != NULL && z->ob_size != 0)
z->ob_size = -(z->ob_size);
if (pend)