1 files changed, 7 insertions, 10 deletions
diff --git a/src/protocol.h b/src/protocol.h
index 56b59aed3f..558616eaf8 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -27,16 +27,13 @@
 class CMessageHeader
 {
 public:
-    enum {
-        MESSAGE_START_SIZE = 4,
-        COMMAND_SIZE = 12,
-        MESSAGE_SIZE_SIZE = 4,
-        CHECKSUM_SIZE = 4,
-
-        MESSAGE_SIZE_OFFSET = MESSAGE_START_SIZE + COMMAND_SIZE,
-        CHECKSUM_OFFSET = MESSAGE_SIZE_OFFSET + MESSAGE_SIZE_SIZE,
-        HEADER_SIZE = MESSAGE_START_SIZE + COMMAND_SIZE + MESSAGE_SIZE_SIZE + CHECKSUM_SIZE
-    };
+    static constexpr size_t MESSAGE_START_SIZE = 4;
+    static constexpr size_t COMMAND_SIZE = 12;
+    static constexpr size_t MESSAGE_SIZE_SIZE = 4;
+    static constexpr size_t CHECKSUM_SIZE = 4;
+    static constexpr size_t MESSAGE_SIZE_OFFSET = MESSAGE_START_SIZE + COMMAND_SIZE;
+    static constexpr size_t CHECKSUM_OFFSET = MESSAGE_SIZE_OFFSET + MESSAGE_SIZE_SIZE;
+    static constexpr size_t HEADER_SIZE = MESSAGE_START_SIZE + COMMAND_SIZE + MESSAGE_SIZE_SIZE + CHECKSUM_SIZE;
     typedef unsigned char MessageStartChars[MESSAGE_START_SIZE];
 
     explicit CMessageHeader(const MessageStartChars& pchMessageStartIn);