1 #ifndef _WIMLIB_ENDIANNESS_H
2 #define _WIMLIB_ENDIANNESS_H
4 #include "wimlib/types.h"
6 /* Watch out for conflict with ntfs-3g/endian.h ... */
8 #ifndef _NTFS_ENDIANS_H
13 return (n << 8) | (n >> 8);
19 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
20 return __builtin_bswap32(n);
22 return (n << 24) | ((n & 0xff00) << 8) | ((n & 0xff0000) >> 8) |
30 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
31 return __builtin_bswap64(n);
33 return (n << 56) | ((n & 0xff00) << 40) | ((n & 0xff0000) << 24) |
34 ((n & 0xff000000) << 8) | ((n & 0xff00000000) >> 8) |
35 ((n & 0xff0000000000) >> 24) |
36 ((n & 0xff000000000000) >> 40) | (n >> 56);
40 # ifdef WORDS_BIGENDIAN
41 # define le16_to_cpu(n) bswap16(n)
42 # define le32_to_cpu(n) bswap32(n)
43 # define le64_to_cpu(n) bswap64(n)
44 # define cpu_to_le16(n) bswap16(n)
45 # define cpu_to_le32(n) bswap32(n)
46 # define cpu_to_le64(n) bswap64(n)
48 # define cpu_to_le16(n) (n)
49 # define cpu_to_le32(n) (n)
50 # define cpu_to_le64(n) (n)
51 # define le16_to_cpu(n) (n)
52 # define le32_to_cpu(n) (n)
53 # define le64_to_cpu(n) (n)
55 #endif /* _NTFS_ENDIANS_H */
57 #endif /* _WIMLIB_ENDIANNESS_H */