[279] | 1 | #ifndef _ENDIAN_H
|
---|
| 2 | #define _ENDIAN_H
|
---|
| 3 |
|
---|
| 4 | #include <features.h>
|
---|
| 5 |
|
---|
| 6 | #define __LITTLE_ENDIAN 1234
|
---|
| 7 | #define __BIG_ENDIAN 4321
|
---|
| 8 | #define __PDP_ENDIAN 3412
|
---|
| 9 |
|
---|
| 10 | #if defined(__GNUC__) && defined(__BYTE_ORDER__)
|
---|
| 11 | #define __BYTE_ORDER __BYTE_ORDER__
|
---|
| 12 | #else
|
---|
| 13 | #include <bits/endian.h>
|
---|
| 14 | #endif
|
---|
| 15 |
|
---|
| 16 | #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
|
---|
| 17 |
|
---|
| 18 | #define BIG_ENDIAN __BIG_ENDIAN
|
---|
| 19 | #define LITTLE_ENDIAN __LITTLE_ENDIAN
|
---|
| 20 | #define PDP_ENDIAN __PDP_ENDIAN
|
---|
| 21 | #define BYTE_ORDER __BYTE_ORDER
|
---|
| 22 |
|
---|
| 23 | #include <stdint.h>
|
---|
| 24 |
|
---|
| 25 | static __inline uint16_t __bswap16(uint16_t __x)
|
---|
| 26 | {
|
---|
| 27 | return (uint16_t)(__x<<8 | __x>>8);
|
---|
| 28 | }
|
---|
| 29 |
|
---|
| 30 | static __inline uint32_t __bswap32(uint32_t __x)
|
---|
| 31 | {
|
---|
| 32 | return (uint32_t)(__x>>24 | (__x>>8&0xff00) | (__x<<8&0xff0000) | __x<<24);
|
---|
| 33 | }
|
---|
| 34 |
|
---|
| 35 | static __inline uint64_t __bswap64(uint64_t __x)
|
---|
| 36 | {
|
---|
| 37 | return __bswap32(((uint32_t)__x)+0ULL)<<32 | __bswap32((uint32_t)(__x>>32));
|
---|
| 38 | }
|
---|
| 39 |
|
---|
| 40 | #if __BYTE_ORDER == __LITTLE_ENDIAN
|
---|
| 41 | #define htobe16(x) __bswap16(x)
|
---|
| 42 | #define be16toh(x) __bswap16(x)
|
---|
| 43 | #define betoh16(x) __bswap16(x)
|
---|
| 44 | #define htobe32(x) __bswap32(x)
|
---|
| 45 | #define be32toh(x) __bswap32(x)
|
---|
| 46 | #define betoh32(x) __bswap32(x)
|
---|
| 47 | #define htobe64(x) __bswap64(x)
|
---|
| 48 | #define be64toh(x) __bswap64(x)
|
---|
| 49 | #define betoh64(x) __bswap64(x)
|
---|
| 50 | #define htole16(x) (uint16_t)(x)
|
---|
| 51 | #define le16toh(x) (uint16_t)(x)
|
---|
| 52 | #define letoh16(x) (uint16_t)(x)
|
---|
| 53 | #define htole32(x) (uint32_t)(x)
|
---|
| 54 | #define le32toh(x) (uint32_t)(x)
|
---|
| 55 | #define letoh32(x) (uint32_t)(x)
|
---|
| 56 | #define htole64(x) (uint64_t)(x)
|
---|
| 57 | #define le64toh(x) (uint64_t)(x)
|
---|
| 58 | #define letoh64(x) (uint64_t)(x)
|
---|
| 59 | #else
|
---|
| 60 | #define htobe16(x) (uint16_t)(x)
|
---|
| 61 | #define be16toh(x) (uint16_t)(x)
|
---|
| 62 | #define betoh16(x) (uint16_t)(x)
|
---|
| 63 | #define htobe32(x) (uint32_t)(x)
|
---|
| 64 | #define be32toh(x) (uint32_t)(x)
|
---|
| 65 | #define betoh32(x) (uint32_t)(x)
|
---|
| 66 | #define htobe64(x) (uint64_t)(x)
|
---|
| 67 | #define be64toh(x) (uint64_t)(x)
|
---|
| 68 | #define betoh64(x) (uint64_t)(x)
|
---|
| 69 | #define htole16(x) __bswap16(x)
|
---|
| 70 | #define le16toh(x) __bswap16(x)
|
---|
| 71 | #define letoh16(x) __bswap16(x)
|
---|
| 72 | #define htole32(x) __bswap32(x)
|
---|
| 73 | #define le32toh(x) __bswap32(x)
|
---|
| 74 | #define letoh32(x) __bswap32(x)
|
---|
| 75 | #define htole64(x) __bswap64(x)
|
---|
| 76 | #define le64toh(x) __bswap64(x)
|
---|
| 77 | #define letoh64(x) __bswap64(x)
|
---|
| 78 | #endif
|
---|
| 79 |
|
---|
| 80 | #endif
|
---|
| 81 |
|
---|
| 82 | #endif
|
---|