From: Peter van Dijk <peter.van.dijk@netherlabs.nl>
Date: Tue, 22 Oct 2013 21:26:13 +0000 (+0200)
Subject: fix base64 decoding for big endian archs on which long is not 32 bits (like s390x)
X-Git-Tag: auth-3.3.1~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07b904e4947a0bae978d20903c13650253f3f2da;p=thirdparty%2Fpdns.git

fix base64 decoding for big endian archs on which long is not 32 bits (like s390x)
---

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];