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/*
* nasmint.h
*
* Small ersatz subset of <inttypes.h>, deriving the types from
* <limits.h>.
*
* Important: the preprocessor may truncate numbers too large for it.
* Therefore, test the signed types only ... truncation won't generate
* a 01111111... bit pattern.
*/
#ifndef NASM_NASMINT_H
#define NASM_NASMINT_H
#include <limits.h>
/*** 64-bit type: __int64, long or long long ***/
/* Some old versions of gcc <limits.h> omit LLONG_MAX */
#ifndef LLONG_MAX
# ifdef __LONG_LONG_MAX__
# define LLONG_MAX __LONG_LONG_MAX__
# else
# define LLONG_MAX 0 /* Assume long long is unusable */
# endif
#endif
#ifndef _I64_MAX
# ifdef _MSC_VER
# define _I64_MAX 9223372036854775807
# else
# define _I64_MAX 0
# endif
#endif
#if _I64_MAX == 9223372036854775807
/* Windows-based compiler: use __int64 */
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
#define _scn64 "I64"
#define _pri64 "I64"
#define INT64_C(x) x ## i64
#define UINT64_C(x) x ## ui64
#elif LONG_MAX == 9223372036854775807L
/* long is 64 bits */
typedef signed long int64_t;
typedef unsigned long uint64_t;
#define _scn64 "l"
#define _pri64 "l"
#define INT64_C(x) x ## L
#define UINT64_C(x) x ## UL
#elif LLONG_MAX == 9223372036854775807LL
/* long long is 64 bits */
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
#define _scn64 "ll"
#define _pri64 "ll"
#define INT64_C(x) x ## LL
#define UINT64_C(x) x ## ULL
#else
#error "Neither long nor long long is 64 bits in size"
#endif
/*** 32-bit type: int or long ***/
#if INT_MAX == 2147483647
/* int is 32 bits */
typedef signed int int32_t;
typedef unsigned int uint32_t;
#define _scn32 ""
#define _pri32 ""
#define INT32_C(x) x
#define UINT32_C(x) x ## U
#elif LONG_MAX == 2147483647L
/* long is 32 bits */
typedef signed long int32_t;
typedef unsigned long uint32_t;
#define _scn32 "l"
#define _pri32 "l"
#define INT32_C(x) x ## L
#define UINT32_C(x) x ## UL
#else
#error "Neither int nor long is 32 bits in size"
#endif
/*** 16-bit size: int or short ***/
#if INT_MAX == 32767
/* int is 16 bits */
typedef signed int int16_t;
typedef unsigned int uint16_t;
#define _scn16 ""
#define _pri16 ""
#define INT16_C(x) x
#define UINT16_C(x) x ## U
#elif SHRT_MAX == 32767
/* short is 16 bits */
typedef signed short int16_t;
typedef unsigned short uint16_t;
#define _scn16 "h"
#define _pri16 ""
#define INT16_C(x) x
#define UINT16_C(x) x ## U
#else
#error "Neither short nor int is 16 bits in size"
#endif
/*** 8-bit size: char ***/
#if SCHAR_MAX == 127
/* char is 8 bits */
typedef signed char int8_t;
typedef unsigned char uint8_t;
#define _scn8 "hh"
#define _pri8 ""
#define INT8_C(x) x
#define UINT8_C(x) x ## U
#else
#error "char is not 8 bits in size"
#endif
/* The rest of this is common to all models */
#define PRId8 _pri8 "d"
#define PRId16 _pri16 "d"
#define PRId32 _pri32 "d"
#define PRId64 _pri64 "d"
#define PRIi8 _pri8 "i"
#define PRIi16 _pri16 "i"
#define PRIi32 _pri32 "i"
#define PRIi64 _pri64 "i"
#define PRIo8 _pri8 "o"
#define PRIo16 _pri16 "o"
#define PRIo32 _pri32 "o"
#define PRIo64 _pri64 "o"
#define PRIu8 _pri8 "u"
#define PRIu16 _pri16 "u"
#define PRIu32 _pri32 "u"
#define PRIu64 _pri64 "u"
#define PRIx8 _pri8 "x"
#define PRIx16 _pri16 "x"
#define PRIx32 _pri32 "x"
#define PRIx64 _pri64 "x"
#define PRIX8 _pri8 "X"
#define PRIX16 _pri16 "X"
#define PRIX32 _pri32 "X"
#define PRIX64 _pri64 "X"
#define SCNd8 _scn8 "d"
#define SCNd16 _scn16 "d"
#define SCNd32 _scn32 "d"
#define SCNd64 _scn64 "d"
#define SCNi8 _scn8 "i"
#define SCNi16 _scn16 "i"
#define SCNi32 _scn32 "i"
#define SCNi64 _scn64 "i"
#define SCNo8 _scn8 "o"
#define SCNo16 _scn16 "o"
#define SCNo32 _scn32 "o"
#define SCNo64 _scn64 "o"
#define SCNu8 _scn8 "u"
#define SCNu16 _scn16 "u"
#define SCNu32 _scn32 "u"
#define SCNu64 _scn64 "u"
#define SCNx8 _scn8 "x"
#define SCNx16 _scn16 "x"
#define SCNx32 _scn32 "x"
#define SCNx64 _scn64 "x"
#define INT8_MIN INT8_C(-128)
#define INT8_MAX INT8_C(127)
#define UINT8_MAX UINT8_C(255)
#define INT16_MIN INT16_C(-32768)
#define INT16_MAX INT16_C(32767)
#define UINT16_MAX UINT16_C(65535)
#define INT32_MIN INT32_C(-2147483648)
#define INT32_MAX INT32_C(2147483647)
#define UINT32_MAX UINT32_C(4294967295)
#define INT64_MIN INT64_C(-9223372036854775808)
#define INT64_MAX INT64_C(9223372036854775807)
#define UINT64_MAX UINT64_C(18446744073709551615)
#endif /* NASM_NASMINT_H */
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