#pragma once
#include <stdint.h>

typedef uint64_t dword_t;
typedef uint32_t word_t;
typedef uint16_t hword_t;
typedef uint8_t byte_t;
typedef int64_t dlong_t;
typedef int32_t long_t;
typedef int16_t short_t;
typedef int8_t char_t;
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;

#define BIT(n) (1U << (n))

#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 6)
#ifndef __BYTE_ORDER__
#include <sys/param.h>
#define __BYTE_ORDER__ BYTE_ORDER
#define __ORDER_LITTLE_ENDIAN__ LITTLE_ENDIAN
#define __ORDER_BIG_ENDIAN__ BIG_ENDIAN
#endif

static inline uint16_t __builtin_bswap16(uint16_t x)
{
	return ((x << 8) & 0xff00) | ((x >> 8) & 0x00ff);
}

static inline uint32_t __builtin_bswap32(uint32_t x)
{
	return ((x << 24) & 0xff000000) |
	       ((x <<  8) & 0x00ff0000) |
	       ((x >>  8) & 0x0000ff00) |
	       ((x >> 24) & 0x000000ff);
}

static inline uint64_t __builtin_bswap64(uint64_t x)
{
	return (uint64_t)__builtin_bswap32(x>>32) |
	      ((uint64_t)__builtin_bswap32(x&0xFFFFFFFF) << 32);
}
#endif

#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define be_dword(a)  __builtin_bswap64(a)
#define be_word(a)  __builtin_bswap32(a)
#define be_hword(a) __builtin_bswap16(a)
#define le_dword(a)  (a)
#define le_word(a)  (a)
#define le_hword(a) (a)
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define be_dword(a)  (a)
#define be_word(a)  (a)
#define be_hword(a) (a)
#define le_dword(a)  __builtin_bswap64(a)
#define le_word(a)  __builtin_bswap32(a)
#define le_hword(a) __builtin_bswap16(a)
#else
#error "What's the endianness of the platform you're targeting?"
#endif