From 2c3913bb19fa95e7decaa7967e2469dc428e46b0 Mon Sep 17 00:00:00 2001
From: Martin Hurton <hurtonm@gmail.com>
Date: Sat, 19 Jun 2010 19:46:35 +0200
Subject: fix double free error in PAIR socket

---
 src/pair.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/pair.cpp b/src/pair.cpp
index 31524de..3872b28 100644
--- a/src/pair.cpp
+++ b/src/pair.cpp
@@ -115,6 +115,9 @@ int zmq::pair_t::xrecv (zmq_msg_t *msg_, int flags_)
     zmq_msg_close (msg_);
 
     if (!alive || !inpipe || !inpipe->read (msg_)) {
+        //  No message is available. Initialise the output parameter
+        //  to be a 0-byte message.
+        zmq_msg_init (msg_);
         errno = EAGAIN;
         return -1;
     }
-- 
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