From: Raymond Hettinger <python@rcn.com>
Date: Sat, 15 Nov 2003 12:33:01 +0000 (+0000)
Subject: Verify heappop argument is a list.
X-Git-Tag: v2.4a1~1279
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=236a2443fbe32577bc4b5b9a1b58aa93f9d91de0;p=thirdparty%2FPython%2Fcpython.git

Verify heappop argument is a list.
---

diff --git a/Modules/heapqmodule.c b/Modules/heapqmodule.c
index 8a6a4f5cc13d..629f516457c1 100644
--- a/Modules/heapqmodule.c
+++ b/Modules/heapqmodule.c
@@ -119,6 +119,11 @@ heappop(PyObject *self, PyObject *heap)
 	PyObject *lastelt, *returnitem;
 	int n;
 
+	if (!PyList_Check(heap)) {
+		PyErr_SetString(PyExc_ValueError, "heap argument must be a list");
+		return NULL;
+	}
+
 	/* # raises appropriate IndexError if heap is empty */
 	n = PyList_GET_SIZE(heap);
 	if (n == 0) {