From 0c3742099d6f94a8928ac5e6eca11f8d3f4cb3ad Mon Sep 17 00:00:00 2001
From: Peter van Dijk <peter.van.dijk@netherlabs.nl>
Date: Tue, 22 Oct 2013 23:26:13 +0200
Subject: [PATCH] fix base64 decoding for big endian archs on which long is not
 32 bits (like s390x)

---
 pdns/base64.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pdns/base64.cc b/pdns/base64.cc
index ab10c7ee68..f7f0422442 100644
--- a/pdns/base64.cc
+++ b/pdns/base64.cc
@@ -165,9 +165,9 @@ int B64Decode(const std::string& strInput, std::string& strOutput)
     // may have been padding, so those padded bytes
     // are actually ignored.
 #if BYTE_ORDER == BIG_ENDIAN
-    strOutput += pBuf[1];
-    strOutput += pBuf[2];
-    strOutput += pBuf[3];
+    strOutput += pBuf[sizeof(long)-3];
+    strOutput += pBuf[sizeof(long)-2];
+    strOutput += pBuf[sizeof(long)-1];
 #else
     strOutput += pBuf[2];
     strOutput += pBuf[1];
-- 
2.47.2