From 860e1d24c08c82c0dea2b8cee5af44ec3837deac Mon Sep 17 00:00:00 2001
From: Pieter Hintjens <ph@imatix.com>
Date: Wed, 21 Mar 2012 17:43:52 -0500
Subject: [PATCH] Fixed issue #344

---
 src/xrep.cpp | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/xrep.cpp b/src/xrep.cpp
index 6e9a1147..a45c51e7 100644
--- a/src/xrep.cpp
+++ b/src/xrep.cpp
@@ -85,14 +85,11 @@ int zmq::xrep_t::xsetsockopt (int option_, const void *optval_,
         errno = EINVAL;
         return -1;
     }
-    
-    if(sizeof(optvallen_) != sizeof(int)) {
+    if (optvallen_ != sizeof (int) || *((int*) optval_) < 0) {
         errno = EINVAL;
         return -1;
     }
-
     fail_unroutable = *((const int*) optval_);
-    
     return 0;
 }