uint_t.h

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#include <stdint.h>

 
#define uint_pack(s,X) _Generic((X),\
    uint8:   uint8_pack,            \
    uint16:  uint16_pack,           \
    uint32:  uint32_pack,           \
    uint64:  uint64_pack,           \
    uint128: uint128_pack           \
  ) (s,X)
 
#define uint_pack_big(s,X) _Generic((X),\
    uint8:   uint8_pack_big,            \
    uint16:  uint16_pack_big,           \
    uint32:  uint32_pack_big,           \
    uint64:  uint64_pack_big,           \
    uint128: uint128_pack_big           \
  ) (s,X)
 
#define uint_unpack(s,X) _Generic((X),\
    uint8 *:   uint8_unpack,          \
    uint16 *:  uint16_unpack,         \
    uint32 *:  uint32_unpack,         \
    uint64 *:  uint64_unpack,         \
    uint128 *: uint128_unpack         \
  ) (s,X)
 
#define uint_unpack_big(s,X) _Generic((X),\
    uint8 *:   uint8_unpack_big,          \
    uint16 *:  uint16_unpack_big,         \
    uint32 *:  uint32_unpack_big,         \
    uint64 *:  uint64_unpack_big,         \
    uint128 *: uint128_unpack_big         \
  ) (s,X)
 
#ifndef UINT8_H
#define UINT8_H
 
#ifdef HAS_UINT8_H
typedef uint8_t uint8;
#else
typedef unsigned char uint8;
#endif
 
extern void uint8_pack(char *,uint8);
extern void uint8_pack_big(char *,uint8);
extern void uint8_unpack(char *,uint8 *);
extern void uint8_unpack_big(char *,uint8 *);
#endif
 
#ifndef UINT16_H
#define UINT16_H
 
typedef uint16_t uint16;
 
extern void uint16_pack(char *,uint16);
extern void uint16_pack_big(char *,uint16);
extern void uint16_unpack(char *,uint16 *);
extern void uint16_unpack_big(char *,uint16 *);
#endif
 
#ifndef UINT32_H
#define UINT32_H
 
typedef uint32_t uint32;
 
extern void uint32_pack(char *,uint32);
extern void uint32_pack_big(char *,uint32);
extern void uint32_unpack(char *,uint32 *);
extern void uint32_unpack_big(char *,uint32 *);
#endif
 
#ifndef UINT64_H
#define UINT64_H
 
#ifdef HAS_UINT64_H
typedef uint64_t uint64;
#else
typedef unsigned long long uint64;
#endif
 
extern void uint64_pack(char *,uint64);
extern void uint64_pack_big(char *,uint64);
extern void uint64_unpack(char *,uint64 *);
extern void uint64_unpack_big(char *,uint64 *);
#endif
 
#ifndef UINT128_H
#define UINT128_H
 
/* uint128 used for native IPv6 address presentation */
 
struct uint128_t
{
    uint64_t hi; /* routing area */
    uint64_t lo; /* local area */
};
 
typedef struct uint128_t uint128;
 
extern void uint128_pack(char *,uint128);
extern void uint128_pack_big(char *,uint128);
extern void uint128_unpack(char *,uint128 *);
extern void uint128_unpack_big(char *,uint128 *);
#endif