Merge pull request #5510

a0ae79d Replace CBlockHeader::GetHash with call to SerializeHash (Wladimir J. van der Laan)
62b30f0 Add serialize float/double tests (Wladimir J. van der Laan)
9f4fac9 src/txmempool.cpp: make numEntries a uint32_t (Wladimir J. van der Laan)
f4e6487 src/arith_256.cpp: bigendian compatibility (Wladimir J. van der Laan)
aac3205 src/netbase.h: Fix endian in CNetAddr serialization (Wladimir J. van der Laan)
01f9c34 src/serialize.h: base serialization level endianness neutrality (Wladimir J. van der Laan)
4e853aa src/script/script.h: endian compatibility for PUSHDATA sizes (Wladimir J. van der Laan)
4f92773 src/primitives/transaction.h: endian compatibility in serialization (Wladimir J. van der Laan)
81aeb28 src/primitives/block.cpp: endian compatibility in GetHash (Wladimir J. van der Laan)
dec84ca src/net.cpp: endian compatibility in EndMessage (Wladimir J. van der Laan)
556814e src/main.cpp: endian compatibility in packet checksum check (Wladimir J. van der Laan)
3ca5852 src/hash.cpp: endian compatibility (Wladimir J. van der Laan)
4414f5f build: Endian compatibility (Wladimir J. van der Laan)

1 files changed, 2 insertions, 1 deletions

diff --git a/src/net.cpp b/src/net.cpp
index d9f470b9e..08d1d5740 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -14,6 +14,7 @@
 #include "clientversion.h"
 #include "primitives/transaction.h"
 #include "ui_interface.h"
+#include "crypto/common.h"
 
 #ifdef WIN32
 #include <string.h>
@@ -2007,7 +2008,7 @@ void CNode::EndMessage() UNLOCK_FUNCTION(cs_vSend)
 
     // Set the size
     unsigned int nSize = ssSend.size() - CMessageHeader::HEADER_SIZE;
-    memcpy((char*)&ssSend[CMessageHeader::MESSAGE_SIZE_OFFSET], &nSize, sizeof(nSize));
+    WriteLE32((uint8_t*)&ssSend[CMessageHeader::MESSAGE_SIZE_OFFSET], nSize);
 
     // Set the checksum
     uint256 hash = Hash(ssSend.begin() + CMessageHeader::HEADER_SIZE, ssSend.end());