RetroArch/libretro-db/libretrodb_endian.h
2015-02-19 00:47:19 +01:00

29 lines
968 B
C

#ifndef __LIBRETRODB_MSGPACK_ENDIAN_H
#define __LIBRETRODB_MSGPACK_ENDIAN_H
#include <stdint.h>
#include <retro_endianness.h>
#ifndef swap64
#define swap64(val) \
((((uint64_t)(val) & 0x00000000000000ffULL) << 56) \
| (((uint64_t)(val) & 0x000000000000ff00ULL) << 40) \
| (((uint64_t)(val) & 0x0000000000ff0000ULL) << 24) \
| (((uint64_t)(val) & 0x00000000ff000000ULL) << 8) \
| (((uint64_t)(val) & 0x000000ff00000000ULL) >> 8) \
| (((uint64_t)(val) & 0x0000ff0000000000ULL) >> 24) \
| (((uint64_t)(val) & 0x00ff000000000000ULL) >> 40) \
| (((uint64_t)(val) & 0xff00000000000000ULL) >> 56))
#endif
#define httobe64(x) (is_little_endian() ? swap64(x) : (x))
#define httobe32(x) (is_little_endian() ? SWAP32(x) : (x))
#define httobe16(x) (is_little_endian() ? SWAP16(x) : (x))
#define betoht16(x) httobe16(x)
#define betoht32(x) httobe32(x)
#define betoht64(x) httobe64(x)
#endif