#ifndef _UTIL_H
#define _UTIL_H

#include <sys/types.h>
#include "config.h"

#define bswap16(v) (((v & 0xff00) >> 8) | (v & 0x00ff) << 8)

#define bswap32(v) \
    (((v & 0xff000000) >> 24) | \
     ((v & 0x00ff0000) >>  8) | \
     ((v & 0x0000ff00) <<  8) | \
     ((v & 0x000000ff) << 24))

#define bswap64(v) \
    (((v & 0xff00000000000000) >> 56) | \
     ((v & 0x00ff000000000000) >> 40) | \
     ((v & 0x0000ff0000000000) >> 16) | \
     ((v & 0x000000ff00000000) >>  8) | \
     ((v & 0x00000000ff000000) <<  8) | \
     ((v & 0x0000000000ff0000) << 16) | \
     ((v & 0x000000000000ff00) << 40) | \
     ((v & 0x00000000000000ff) << 64))

#ifndef _ENDIAN_H
#ifdef __DO_SWAP_BYTES
#define be16toh(v) ((uint16_t)bswap16((uint16_t)v))
#define be32toh(v) ((uint32_t)bswap32((uint32_t)v))
#define htobe16(v) ((uint16_t)bswap16((uint16_t)v))
#define htobe32(v) ((uint32_t)bswap32((uint32_t)v))
#define htole32(v) ((uint32_t)v)
#define htole64(v) ((uint64_t)v)
#else
#define be16toh(v) ((uint16_t)v)
#define be32toh(v) ((uint32_t)v)
#define htobe16(v) ((uint16_t)v)
#define htobe32(v) ((uint32_t)v)
#define htole32(v) ((uint32_t)bswap32((uint32_t)v))
#define htole64(v) ((uint64_t)bswap64((uint64_t)v))
#endif /* __DO_SWAP_BYTES */
#endif /* !_ENDIAN_H */

#endif /* _UTIL_H */