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 cpu_to_le16(n) ((_force_attr le16)bswap16(n))
42 # define cpu_to_le32(n) ((_force_attr le32)bswap32(n))
43 # define cpu_to_le64(n) ((_force_attr le64)bswap64(n))
44 # define le16_to_cpu(n) bswap16((_force_attr u16)(le16)(n))
45 # define le32_to_cpu(n) bswap32((_force_attr u32)(le32)(n))
46 # define le64_to_cpu(n) bswap64((_force_attr u64)(le64)(n))
48 # define cpu_to_be16(n) ((_force_attr be16)(u16)(n))
49 # define cpu_to_be32(n) ((_force_attr be32)(u32)(n))
50 # define cpu_to_be64(n) ((_force_attr be64)(u64)(n))
51 # define be16_to_cpu(n) ((_force_attr u16)(be16)(n))
52 # define be32_to_cpu(n) ((_force_attr u32)(be32)(n))
53 # define be64_to_cpu(n) ((_force_attr u64)(be64)(n))
55 # define cpu_to_le16(n) ((_force_attr le16)(u16)(n))
56 # define cpu_to_le32(n) ((_force_attr le32)(u32)(n))
57 # define cpu_to_le64(n) ((_force_attr le64)(u64)(n))
58 # define le16_to_cpu(n) ((_force_attr u16)(le16)(n))
59 # define le32_to_cpu(n) ((_force_attr u32)(le32)(n))
60 # define le64_to_cpu(n) ((_force_attr u64)(le64)(n))
62 # define cpu_to_be16(n) ((_force_attr be16)bswap16(n))
63 # define cpu_to_be32(n) ((_force_attr be32)bswap32(n))
64 # define cpu_to_be64(n) ((_force_attr be64)bswap64(n))
65 # define be16_to_cpu(n) bswap16((_force_attr u16)(be16)(n))
66 # define be32_to_cpu(n) bswap32((_force_attr u32)(be32)(n))
67 # define be64_to_cpu(n) bswap64((_force_attr u64)(be64)(n))
69 #endif /* _NTFS_ENDIANS_H */
71 #endif /* _WIMLIB_ENDIANNESS_H */