From bab2bf7dfd1ce41c5ada2c836801eaf42701aa0c Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Wed, 12 Mar 2014 13:59:41 +1100
Subject: [PATCH] expr length arg is not portable

---
 bin/tests/system/dnssec/tests.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/tests/system/dnssec/tests.sh b/bin/tests/system/dnssec/tests.sh
index 64e6cf662a..7186ac6979 100644
--- a/bin/tests/system/dnssec/tests.sh
+++ b/bin/tests/system/dnssec/tests.sh
@@ -1921,7 +1921,7 @@ for i in 1 2 3 4 5 6 7 8 9 10 ; do
 	sleep 1
 done;
 [ "$salt" != "-" ] || ret=1
-[ `expr length $salt` -eq 16 ] || ret=1
+[ `expr "${salt}" : ".*"` -eq 16 ] || ret=1
 n=`expr $n + 1`
 if [ $ret != 0 ]; then echo "I:failed"; fi
 status=`expr $status + $ret`
@@ -1938,7 +1938,7 @@ for i in 1 2 3 4 5 6 7 8 9 10 ; do
 	sleep 1
 done;
 [ "$salt" != "$oldsalt" ] || ret=1
-[ `expr length $salt` -eq 16 ] || ret=1
+[ `expr "$salt" : ".*"` -eq 16 ] || ret=1
 n=`expr $n + 1`
 if [ $ret != 0 ]; then echo "I:failed"; fi
 status=`expr $status + $ret`