From 7c4e5e5facf745bae1751dcade213c80a3d4b7ba Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Thu, 7 Mar 2002 18:46:12 +0000
Subject: [PATCH] better test to see if a large message will fit in the old
 buffer

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

diff --git a/src/ca/tcpiiu.cpp b/src/ca/tcpiiu.cpp
index 4bf3a77a8..774cefcc6 100644
--- a/src/ca/tcpiiu.cpp
+++ b/src/ca/tcpiiu.cpp
@@ -1051,7 +1051,7 @@ inline void insertRequestWithPayLoad (
             maxBytes = 0xffffffff;
         }
         else {
-            maxBytes = MAX_TCP;
+            maxBytes = MAX_TCP - 16u; // allow space for protocol header
         }
         unsigned maxElem = ( maxBytes - dbr_size[dataType] ) / dbr_value_size[dataType];
         if ( nElem >= maxElem ) {