#ifndef NETWORK_BYTE_ORDER_H
#define NETWORK_BYTE_ORDER_H

#include <stdint.h>


static inline uint64_t hton64(uint64_t host);
static inline uint32_t hton32(uint32_t host);
static inline uint16_t hton16(uint16_t host);
static inline uint8_t  hton8 (uint8_t  host);

#define hton(x) _Generic(	(x), \
	uint64_t : hton64, \
	uint32_t : hton32, \
	uint16_t : hton16, \
	uint8_t  : hton8   \
)(x)

[[gnu::alias("hton64")]] static inline uint64_t ntoh64(uint64_t network);
[[gnu::alias("hton32")]] static inline uint32_t ntoh32(uint32_t network);
[[gnu::alias("hton16")]] static inline uint16_t ntoh16(uint16_t network);
[[gnu::alias("hton8") ]] static inline uint8_t  ntoh8 (uint8_t  network);

#define ntoh(x) _Generic(	(x), \
	uint64_t : ntoh64, \
	uint32_t : ntoh32, \
	uint16_t : ntoh16, \
	uint8_t  : ntoh8   \
)(x)

#ifndef NETWORK_BYTE_ORDER_IMPLEMENTED
	#define NETWORK_BYTE_ORDER_IMPLEMENTED
	#include <stdbool.h>

	#define bswap64(x)                           \
		 ((((x) & 0xff00000000000000ull) >> 56)	 \
		| (((x) & 0x00ff000000000000ull) >> 40)	 \
		| (((x) & 0x0000ff0000000000ull) >> 24)	 \
		| (((x) & 0x000000ff00000000ull) >> 8)	 \
		| (((x) & 0x00000000ff000000ull) << 8)	 \
		| (((x) & 0x0000000000ff0000ull) << 24)	 \
		| (((x) & 0x000000000000ff00ull) << 40)	 \
		| (((x) & 0x00000000000000ffull) << 56))
	#define bswap32(x)                   \
		 ((((x) & 0xff000000ul) >> 24)	 \
		| (((x) & 0x00ff0000ul) >> 8)	 \
		| (((x) & 0x0000ff00ul) << 8)	 \
		| (((x) & 0x000000fful) << 24))	 
	#define bswap16(x)           \
		 ((((x) & 0xff00u) >> 8) \
		| (((x) & 0x00ffu) << 8)) 

	static inline bool is_big_endian(void){
	 	return ((const union { uint16_t full; struct{ uint8_t high; uint8_t low; } __attribute__((packed)); } __attribute__((packed))) { .full = 1 }).low == 1;
	}

	static inline  uint64_t hton64(uint64_t host){
		if(is_big_endian()){
			return host;
		}
		else{
			return bswap64(host);
		}
	}

	static inline uint32_t hton32(uint32_t host){
		if(is_big_endian()){
			return host;
		}
		else{
			return bswap32(host);
		}
	}

	static inline uint16_t hton16(uint16_t host){
		if(is_big_endian()){
			return host;
		}
		else{
			return bswap16(host);
		}
	}

	static inline uint8_t  hton8 (uint8_t  host){
		return host;
	}
#endif

#endif