Mercurial > cpython-lru_cache-weakref

diff Objects/rangeobject.c @ 21189:a623f9cf9535 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
long_mul(): The PyNumber_Multiply() call can return a long if the result would overflow an int. Check for this. (SF bug #488482, Armin Rigo.)
author Guido van Rossum <guido@python.org>
date Tue, 04 Dec 2001 16:36:39 +0000
parents 0e70df98424e
children 070d392042e3
line wrap: on
line diff
--- a/Objects/rangeobject.c	Tue Dec 04 16:32:04 2001 +0000
+++ b/Objects/rangeobject.c	Tue Dec 04 16:36:39 2001 +0000
@@ -38,10 +38,16 @@
 	if (c == NULL)
 		return 0;
 
+	if (!PyInt_Check(c)) {
+		Py_DECREF(c);
+		goto overflow;
+	}
+
 	*kk = PyInt_AS_LONG(c);
 	Py_DECREF(c);
 
 	if (*kk > INT_MAX) {
+	  overflow:
 		PyErr_SetString(PyExc_OverflowError,
 				"integer multiplication");
 		return 0;