From: Nick Mathewson <nickm@torproject.org>
Date: Thu, 21 Aug 2014 14:44:13 +0000 (-0400)
Subject: Suppress coverity warning about overflowing in tor_memeq.
X-Git-Tag: tor-0.2.6.1-alpha~189^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c43e45d0eaac67caa5b6c1449fb1e4931a410933;p=thirdparty%2Ftor.git

Suppress coverity warning about overflowing in tor_memeq.

The unsigned underflow here is defined and intentional.

CID 202482
---

diff --git a/src/common/di_ops.c b/src/common/di_ops.c
index 14a1443400..f03b2b75ec 100644
--- a/src/common/di_ops.c
+++ b/src/common/di_ops.c
@@ -130,6 +130,7 @@ tor_memeq(const void *a, const void *b, size_t sz)
    *            1 & ((any_difference - 1) >> 8) == 0
    */
 
+  /*coverity[overflow]*/
   return 1 & ((any_difference - 1) >> 8);
 }