From: Raymond Hettinger <python@rcn.com>
Date: Thu, 15 Oct 2015 06:33:23 +0000 (-0700)
Subject: Use unsigned division
X-Git-Tag: v3.6.0a1~1208
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bc00341105afed2255ecd139ca6ca381a482b1f9;p=thirdparty%2FPython%2Fcpython.git

Use unsigned division
---

diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 06f85e94ce7a..bc225a5b4cf9 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -1482,7 +1482,7 @@ deque_sizeof(dequeobject *deque, void *unused)
     Py_ssize_t blocks;
 
     res = sizeof(dequeobject);
-    blocks = (deque->leftindex + Py_SIZE(deque) + BLOCKLEN - 1) / BLOCKLEN;
+    blocks = (size_t)(deque->leftindex + Py_SIZE(deque) + BLOCKLEN - 1) / BLOCKLEN;
     assert(deque->leftindex + Py_SIZE(deque) - 1 ==
            (blocks - 1) * BLOCKLEN + deque->rightindex);
     res += blocks * sizeof(block);