You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
2.1 KiB
78 lines
2.1 KiB
#ifndef SYSROOT_ENDIAN_H_
|
|
#define SYSROOT_ENDIAN_H_
|
|
|
|
#include <features.h>
|
|
|
|
#define __LITTLE_ENDIAN 1234
|
|
#define __BIG_ENDIAN 4321
|
|
#define __PDP_ENDIAN 3412
|
|
|
|
#if defined(__GNUC__) && defined(__BYTE_ORDER__)
|
|
#define __BYTE_ORDER __BYTE_ORDER__
|
|
#else
|
|
#include <bits/endian.h>
|
|
#endif
|
|
|
|
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
|
|
|
|
#define BIG_ENDIAN __BIG_ENDIAN
|
|
#define LITTLE_ENDIAN __LITTLE_ENDIAN
|
|
#define PDP_ENDIAN __PDP_ENDIAN
|
|
#define BYTE_ORDER __BYTE_ORDER
|
|
|
|
#include <stdint.h>
|
|
|
|
static __inline uint16_t __bswap16(uint16_t __x) { return (uint16_t)(__x << 8 | __x >> 8); }
|
|
|
|
static __inline uint32_t __bswap32(uint32_t __x) {
|
|
return (uint32_t)(__x >> 24 | ((__x >> 8) & 0xff00) | ((__x << 8) & 0xff0000) | __x << 24);
|
|
}
|
|
|
|
static __inline uint64_t __bswap64(uint64_t __x) {
|
|
return ((uint64_t)__bswap32((uint32_t)__x)) << 32 | (uint64_t)__bswap32((uint32_t)(__x >> 32));
|
|
}
|
|
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
#define htobe16(x) __bswap16(x)
|
|
#define be16toh(x) __bswap16(x)
|
|
#define betoh16(x) __bswap16(x)
|
|
#define htobe32(x) __bswap32(x)
|
|
#define be32toh(x) __bswap32(x)
|
|
#define betoh32(x) __bswap32(x)
|
|
#define htobe64(x) __bswap64(x)
|
|
#define be64toh(x) __bswap64(x)
|
|
#define betoh64(x) __bswap64(x)
|
|
#define htole16(x) (uint16_t)(x)
|
|
#define le16toh(x) (uint16_t)(x)
|
|
#define letoh16(x) (uint16_t)(x)
|
|
#define htole32(x) (uint32_t)(x)
|
|
#define le32toh(x) (uint32_t)(x)
|
|
#define letoh32(x) (uint32_t)(x)
|
|
#define htole64(x) (uint64_t)(x)
|
|
#define le64toh(x) (uint64_t)(x)
|
|
#define letoh64(x) (uint64_t)(x)
|
|
#else
|
|
#define htobe16(x) (uint16_t)(x)
|
|
#define be16toh(x) (uint16_t)(x)
|
|
#define betoh16(x) (uint16_t)(x)
|
|
#define htobe32(x) (uint32_t)(x)
|
|
#define be32toh(x) (uint32_t)(x)
|
|
#define betoh32(x) (uint32_t)(x)
|
|
#define htobe64(x) (uint64_t)(x)
|
|
#define be64toh(x) (uint64_t)(x)
|
|
#define betoh64(x) (uint64_t)(x)
|
|
#define htole16(x) __bswap16(x)
|
|
#define le16toh(x) __bswap16(x)
|
|
#define letoh16(x) __bswap16(x)
|
|
#define htole32(x) __bswap32(x)
|
|
#define le32toh(x) __bswap32(x)
|
|
#define letoh32(x) __bswap32(x)
|
|
#define htole64(x) __bswap64(x)
|
|
#define le64toh(x) __bswap64(x)
|
|
#define letoh64(x) __bswap64(x)
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif // SYSROOT_ENDIAN_H_
|