From: Amos Jeffries <squid3@treenet.co.nz>
Date: Tue, 21 Apr 2015 14:14:49 +0000 (-0700)
Subject: Ensure class Lock counter remains within bounds
X-Git-Tag: merge-candidate-3-v1~166
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d62d2dadc0cb623ff0d6b0f040d2adf173c12d2;p=thirdparty%2Fsquid.git

Ensure class Lock counter remains within bounds
---

diff --git a/src/base/Lock.h b/src/base/Lock.h
index 33eb51a3df..463c5d710e 100644
--- a/src/base/Lock.h
+++ b/src/base/Lock.h
@@ -9,6 +9,8 @@
 #ifndef SQUID_SRC_BASE_LOCK_H
 #define SQUID_SRC_BASE_LOCK_H
 
+#include <cstdint>
+
 /**
  * This class provides a tracking counter and presents
  * lock(), unlock() and LockCount() accessors.
@@ -35,6 +37,7 @@ public:
 #if defined(LOCKCOUNT_DEBUG)
         old_debug(0,1)("Incrementing this %p from count %u\n",this,count_);
 #endif
+        assert(count_ < UINT32_MAX);
         ++count_;
     }