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, 9 insertions, 7 deletions

diff --git a/src/script/script.h b/src/script/script.h
index 8b36aa2f50..ed456f5c5a 100644
--- a/src/script/script.h
+++ b/src/script/script.h
@@ -14,6 +14,7 @@
 #include <string.h>
 #include <string>
 #include <vector>
+#include "crypto/common.h"
 
 static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
 
@@ -416,14 +417,16 @@ public:
         else if (b.size() <= 0xffff)
         {
             insert(end(), OP_PUSHDATA2);
-            unsigned short nSize = b.size();
-            insert(end(), (unsigned char*)&nSize, (unsigned char*)&nSize + sizeof(nSize));
+            uint8_t data[2];
+            WriteLE16(data, b.size());
+            insert(end(), data, data + sizeof(data));
         }
         else
         {
             insert(end(), OP_PUSHDATA4);
-            unsigned int nSize = b.size();
-            insert(end(), (unsigned char*)&nSize, (unsigned char*)&nSize + sizeof(nSize));
+            uint8_t data[4];
+            WriteLE32(data, b.size());
+            insert(end(), data, data + sizeof(data));
         }
         insert(end(), b.begin(), b.end());
         return *this;
@@ -496,15 +499,14 @@ public:
             {
                 if (end() - pc < 2)
                     return false;
-                nSize = 0;
-                memcpy(&nSize, &pc[0], 2);
+                nSize = ReadLE16(&pc[0]);
                 pc += 2;
             }
             else if (opcode == OP_PUSHDATA4)
             {
                 if (end() - pc < 4)
                     return false;
-                memcpy(&nSize, &pc[0], 4);
+                nSize = ReadLE32(&pc[0]);
                 pc += 4;
             }
             if (end() - pc < 0 || (unsigned int)(end() - pc) < nSize)