From e1c596b37eef2c2c72c605d7bf4a5c97050add6b Mon Sep 17 00:00:00 2001
From: Martin Hurton <hurtonm@gmail.com>
Date: Sat, 24 Jul 2010 16:57:13 +0200
Subject: Make sure lwm > 0 when hwm > 0

---
 src/pipe.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/pipe.cpp b/src/pipe.cpp
index b5c656d..e2c3c4d 100644
--- a/src/pipe.cpp
+++ b/src/pipe.cpp
@@ -341,6 +341,6 @@ uint64_t zmq::pipe_t::compute_lwm (uint64_t hwm_)
     if (hwm_ > max_wm_delta * 2)
         return hwm_ - max_wm_delta;
     else
-        return hwm_ / 2;
+        return (hwm_ + 1) / 2;
 }
 
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