From 055cfcbe5b0534c700b30216f54336b7581f7be4 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sun, 14 Jan 2007 20:20:06 -0500
Subject: Add start of mke2fs/gene2fs, and some other stuff I've been working
 on.

---
 lib/portability.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 lib/portability.h

(limited to 'lib/portability.h')

diff --git a/lib/portability.h b/lib/portability.h
new file mode 100644
index 00000000..dca0ddea
--- /dev/null
+++ b/lib/portability.h
@@ -0,0 +1,21 @@
+#include <endian.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define IS_BIG_ENDIAN 1
+#define IS_LITTLE_ENDIAN 0
+#define SWAP_BE16(x) (x)
+#define SWAP_BE32(x) (x)
+#define SWAP_BE64(x) (x)
+#define SWAP_LE16(x) bswap_16(x)
+#define SWAP_LE32(x) bswap_32(x)
+#define SWAP_LE64(x) bswap_64(x)
+#else
+#define IS_LITTLE_ENDIAN 1
+#define IS_BIG_ENDIAN 0
+#define SWAP_BE16(x) bswap_16(x)
+#define SWAP_BE32(x) bswap_32(x)
+#define SWAP_BE64(x) bswap_64(x)
+#define SWAP_LE16(x) (x)
+#define SWAP_LE32(x) (x)
+#define SWAP_LE64(x) (x)
+#endif
-- 
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