1 files changed, 38 insertions, 0 deletions
diff --git a/zetsubou/endian.c b/zetsubou/endian.c
new file mode 100644
index 0000000..027b3dc
--- /dev/null
+++ b/zetsubou/endian.c
@@ -0,0 +1,38 @@
+/*
+ *  endian.c
+ *  Zetsubou
+ *
+ *  Created by Alex Marshall on 09/03/16.
+ *  Copyright 2009 __MyCompanyName__. All rights reserved.
+ *
+ */
+
+#include "types.h"
+#include "endian.h"
+
+u16 be16(u16 x)
+{
+	return (x>>8) | 
+        (x<<8);
+}
+
+u32 be32(u32 x)
+{
+	return (x>>24) | 
+        ((x<<8) & 0x00FF0000) |
+        ((x>>8) & 0x0000FF00) |
+        (x<<24);
+}
+
+// __int64 for MSVC, "long long" for gcc
+u64 be64(u64 x)
+{
+	return (x>>56) | 
+        ((x<<40) & (u64)0x00FF000000000000LL) |
+        ((x<<24) & (u64)0x0000FF0000000000LL) |
+        ((x<<8)  & (u64)0x000000FF00000000LL) |
+        ((x>>8)  & (u64)0x00000000FF000000LL) |
+        ((x>>24) & (u64)0x0000000000FF0000LL) |
+        ((x>>40) & (u64)0x000000000000FF00LL) |
+        (x<<56);
+}