ref: 1fcbe7f294d68c54752ab7a255a62a8dddd0b6a7
parent: 5dfdaf27ae4bdfab84d4853612b21e460fbd1c75
author: gkostka <[email protected]>
date: Tue Nov 24 02:33:19 EST 2015
Change duplicated functions (to_le*/to_be*) to reorder* to_le*/to_be* now are macros with suitable endianes expansion
--- a/lwext4/ext4_types.h
+++ b/lwext4/ext4_types.h
@@ -1090,27 +1090,38 @@
#define EXT4_CRC32_INIT (0xFFFFFFFFUL)
/*****************************************************************************/
-#ifdef CONFIG_BIG_ENDIAN
-static inline uint64_t to_le64(uint64_t n)
+
+static inline uint64_t reorder64(uint64_t n)
{
- return ((n & 0xff) << 56) | ((n & 0xff00) << 40) |
- ((n & 0xff0000) << 24) | ((n & 0xff000000LL) << 8) |
- ((n & 0xff00000000LL) >> 8) | ((n & 0xff0000000000LL) >> 24) |
+ return ((n & 0xff) << 56) |
+ ((n & 0xff00) << 40) |
+ ((n & 0xff0000) << 24) |
+ ((n & 0xff000000LL) << 8) |
+ ((n & 0xff00000000LL) >> 8) |
+ ((n & 0xff0000000000LL) >> 24) |
((n & 0xff000000000000LL) >> 40) |
((n & 0xff00000000000000LL) >> 56);
}
-static inline uint32_t to_le32(uint32_t n)
+static inline uint32_t reorder32(uint32_t n)
{
- return ((n & 0xff) << 24) | ((n & 0xff00) << 8) |
- ((n & 0xff0000) >> 8) | ((n & 0xff000000) >> 24);
+ return ((n & 0xff) << 24) |
+ ((n & 0xff00) << 8) |
+ ((n & 0xff0000) >> 8) |
+ ((n & 0xff000000) >> 24);
}
-static inline uint16_t to_le16(uint16_t n)
+static inline uint16_t reorder16(uint16_t n)
{
- return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
+ return ((n & 0xff) << 8) |
+ ((n & 0xff00) >> 8);
}
+#ifdef CONFIG_BIG_ENDIAN
+#define to_le64(_n) reorder64(_n)
+#define to_le32(_n) reorder32(_n)
+#define to_le16(_n) reorder16(_n)
+
#define to_be64(_n) _n
#define to_be32(_n) _n
#define to_be16(_n) _n
@@ -1120,26 +1131,9 @@
#define to_le32(_n) _n
#define to_le16(_n) _n
-static inline uint64_t to_be64(uint64_t n)
-{
- return ((n & 0xff) << 56) | ((n & 0xff00) << 40) |
- ((n & 0xff0000) << 24) | ((n & 0xff000000LL) << 8) |
- ((n & 0xff00000000LL) >> 8) | ((n & 0xff0000000000LL) >> 24) |
- ((n & 0xff000000000000LL) >> 40) |
- ((n & 0xff00000000000000LL) >> 56);
-}
-
-static inline uint32_t to_be32(uint32_t n)
-{
- return ((n & 0xff) << 24) | ((n & 0xff00) << 8) |
- ((n & 0xff0000) >> 8) | ((n & 0xff000000) >> 24);
-}
-
-static inline uint16_t to_be16(uint16_t n)
-{
- return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
-}
-
+#define to_be64(_n) reorder64(_n)
+#define to_be32(_n) reorder32(_n)
+#define to_be16(_n) reorder16(_n)
#endif
/****************************Access macros to ext4 structures*****************/