22 #ifndef LIBDVDREAD_BSWAP_H
23 #define LIBDVDREAD_BSWAP_H
27 #if defined(WORDS_BIGENDIAN)
29 #define B2N_16(x) (void)(x)
30 #define B2N_32(x) (void)(x)
31 #define B2N_64(x) (void)(x)
36 #if defined(HAVE_SYS_PARAM_H)
37 #include <sys/param.h>
40 #if defined(__linux__) || defined(__GLIBC__)
42 #define B2N_16(x) x = bswap_16(x)
43 #define B2N_32(x) x = bswap_32(x)
44 #define B2N_64(x) x = bswap_64(x)
46 #elif defined(__APPLE__)
47 #include <libkern/OSByteOrder.h>
48 #define B2N_16(x) x = OSSwapBigToHostInt16(x)
49 #define B2N_32(x) x = OSSwapBigToHostInt32(x)
50 #define B2N_64(x) x = OSSwapBigToHostInt64(x)
52 #elif defined(__NetBSD__)
53 #include <sys/endian.h>
54 #define B2N_16(x) BE16TOH(x)
55 #define B2N_32(x) BE32TOH(x)
56 #define B2N_64(x) BE64TOH(x)
58 #elif defined(__OpenBSD__)
59 #include <sys/endian.h>
60 #define B2N_16(x) x = swap16(x)
61 #define B2N_32(x) x = swap32(x)
62 #define B2N_64(x) x = swap64(x)
64 #elif defined(__FreeBSD__) && __FreeBSD_version >= 470000
65 #include <sys/endian.h>
66 #define B2N_16(x) x = be16toh(x)
67 #define B2N_32(x) x = be32toh(x)
68 #define B2N_64(x) x = be64toh(x)
70 #elif defined(__QNXNTO__)
72 #define B2N_16(x) x = ENDIAN_RET16(x)
73 #define B2N_32(x) x = ENDIAN_RET32(x)
74 #define B2N_64(x) x = ENDIAN_RET64(x)
82 #elif defined(__FreeBSD__) || defined(__sun) || defined(__bsdi__) || defined(WIN32) || defined(__CYGWIN__) || defined(__BEOS__) || defined(__OS2__)
84 x = ((((x) & 0xff00) >> 8) | \
85 (((x) & 0x00ff) << 8))
87 x = ((((x) & 0xff000000) >> 24) | \
88 (((x) & 0x00ff0000) >> 8) | \
89 (((x) & 0x0000ff00) << 8) | \
90 (((x) & 0x000000ff) << 24))
92 x = ((((x) & 0xff00000000000000ULL) >> 56) | \
93 (((x) & 0x00ff000000000000ULL) >> 40) | \
94 (((x) & 0x0000ff0000000000ULL) >> 24) | \
95 (((x) & 0x000000ff00000000ULL) >> 8) | \
96 (((x) & 0x00000000ff000000ULL) << 8) | \
97 (((x) & 0x0000000000ff0000ULL) << 24) | \
98 (((x) & 0x000000000000ff00ULL) << 40) | \
99 (((x) & 0x00000000000000ffULL) << 56))
106 #error "You need to add endian swap macros for you're system"