From 72ac0734d1cda5e26b243d6b956dac238b19bd10 Mon Sep 17 00:00:00 2001
From: Dirk <dirk@testssl.sh>
Date: Sat, 5 Nov 2016 14:55:30 +0100
Subject: [PATCH] tolower

---
 testssl.sh | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/testssl.sh b/testssl.sh
index f3af95e..4d97e30 100755
--- a/testssl.sh
+++ b/testssl.sh
@@ -566,9 +566,13 @@ trim_trailing_space() {
      echo "${1%%*( )}"
 }
 
-toupper() {
-     echo -n "$1" | tr 'a-z' 'A-Z'
-}
+if [[ $(uname) == "Linux" ]] ; then
+     toupper() { echo -n "${1^^}" ;  }
+     tolower() { echo -n "${1,,}" ;  }
+else
+     toupper() { echo -n "$1" | tr 'a-z' 'A-Z'; }
+     tolower() { echo -n "$1" | tr 'A-Z' 'a-z' ; }
+fi
 
 is_number() {
      [[ "$1" =~ ^[1-9][0-9]*$ ]] && \
@@ -1524,7 +1528,7 @@ normalize_ciphercode() {
           HEXC="$part1$part2$part3"
      fi
 #TODO: we should just echo this and avoid the global var HEXC
-     HEXC=$(echo $HEXC | tr 'A-Z' 'a-z' | sed 's/0x/x/') #tolower + strip leading 0
+     HEXC=$(tolower "$HEXC"| sed 's/0x/x/')  # strip leading 0
      return 0
 }
 
@@ -9066,4 +9070,4 @@ fi
 exit $?
 
 
-#  $Id: testssl.sh,v 1.561 2016/10/29 13:37:29 dirkw Exp $
+#  $Id: testssl.sh,v 1.562 2016/11/05 13:55:29 dirkw Exp $