From a414fc9af8129aab052312921cf273704e61481a Mon Sep 17 00:00:00 2001
From: Wei-keng Liao <wkliao@users.noreply.github.com>
Date: Wed, 13 Sep 2017 11:39:38 -0500
Subject: [PATCH] For record variables: throw NC_EVARSIZE when detecting a
 variable larger then X_INT64_MAX - 3 for CDF-5 files

---
 libsrc/nc3internal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libsrc/nc3internal.c b/libsrc/nc3internal.c
index b0a31855d..6e8c79b5f 100644
--- a/libsrc/nc3internal.c
+++ b/libsrc/nc3internal.c
@@ -747,6 +747,8 @@ NC_check_vlens(NC3_INFO *ncp)
 	    if( IS_RECVAR(*vpp) ) {
 		last = 0;
 		if( NC_check_vlen(*vpp, vlen_max) == 0 ) {
+                    if (fIsSet(ncp->flags,NC_64BIT_DATA)) /* too big for CDF-5 */
+                        return NC_EVARSIZE;
 		    large_vars_count++;
 		    last = 1;
 		}