194751404b
Change the header guards for nasmint.h to NASM_NASMINT_H instead of INTTYPES_H. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
219 lines
4.4 KiB
C
219 lines
4.4 KiB
C
/*
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* nasmint.h
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*
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* Small ersatz subset of <inttypes.h>, deriving the types from
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* <limits.h>.
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*
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* Important: the preprocessor may truncate numbers too large for it.
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* Therefore, test the signed types only ... truncation won't generate
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* a 01111111... bit pattern.
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*/
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#ifndef NASM_NASMINT_H
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#define NASM_NASMINT_H
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#include <limits.h>
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/*** 64-bit type: __int64, long or long long ***/
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/* Some old versions of gcc <limits.h> omit LLONG_MAX */
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#ifndef LLONG_MAX
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# ifdef __LONG_LONG_MAX__
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# define LLONG_MAX __LONG_LONG_MAX__
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# else
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# define LLONG_MAX 0 /* Assume long long is unusable */
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# endif
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#endif
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#ifndef _I64_MAX
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# ifdef _MSC_VER
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# define _I64_MAX 9223372036854775807
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# else
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# define _I64_MAX 0
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# endif
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#endif
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#if _I64_MAX == 9223372036854775807
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/* Windows-based compiler: use __int64 */
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typedef signed __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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#define _scn64 "I64"
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#define _pri64 "I64"
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#define INT64_C(x) x ## i64
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#define UINT64_C(x) x ## ui64
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#elif LONG_MAX == 9223372036854775807L
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/* long is 64 bits */
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typedef signed long int64_t;
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typedef unsigned long uint64_t;
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#define _scn64 "l"
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#define _pri64 "l"
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#define INT64_C(x) x ## L
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#define UINT64_C(x) x ## UL
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#elif LLONG_MAX == 9223372036854775807LL
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/* long long is 64 bits */
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typedef signed long long int64_t;
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typedef unsigned long long uint64_t;
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#define _scn64 "ll"
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#define _pri64 "ll"
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#define INT64_C(x) x ## LL
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#define UINT64_C(x) x ## ULL
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#else
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#error "Neither long nor long long is 64 bits in size"
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#endif
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/*** 32-bit type: int or long ***/
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#if INT_MAX == 2147483647
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/* int is 32 bits */
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typedef signed int int32_t;
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typedef unsigned int uint32_t;
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#define _scn32 ""
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#define _pri32 ""
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#define INT32_C(x) x
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#define UINT32_C(x) x ## U
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#elif LONG_MAX == 2147483647L
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/* long is 32 bits */
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typedef signed long int32_t;
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typedef unsigned long uint32_t;
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#define _scn32 "l"
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#define _pri32 "l"
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#define INT32_C(x) x ## L
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#define UINT32_C(x) x ## UL
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#else
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#error "Neither int nor long is 32 bits in size"
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#endif
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/*** 16-bit size: int or short ***/
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#if INT_MAX == 32767
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/* int is 16 bits */
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typedef signed int int16_t;
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typedef unsigned int uint16_t;
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#define _scn16 ""
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#define _pri16 ""
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#define INT16_C(x) x
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#define UINT16_C(x) x ## U
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#elif SHRT_MAX == 32767
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/* short is 16 bits */
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typedef signed short int16_t;
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typedef unsigned short uint16_t;
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#define _scn16 "h"
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#define _pri16 ""
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#define INT16_C(x) x
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#define UINT16_C(x) x ## U
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#else
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#error "Neither short nor int is 16 bits in size"
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#endif
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/*** 8-bit size: char ***/
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#if SCHAR_MAX == 127
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/* char is 8 bits */
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typedef signed char int8_t;
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typedef unsigned char uint8_t;
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#define _scn8 "hh"
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#define _pri8 ""
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#define INT8_C(x) x
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#define UINT8_C(x) x ## U
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#else
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#error "char is not 8 bits in size"
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#endif
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/* The rest of this is common to all models */
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#define PRId8 _pri8 "d"
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#define PRId16 _pri16 "d"
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#define PRId32 _pri32 "d"
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#define PRId64 _pri64 "d"
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#define PRIi8 _pri8 "i"
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#define PRIi16 _pri16 "i"
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#define PRIi32 _pri32 "i"
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#define PRIi64 _pri64 "i"
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#define PRIo8 _pri8 "o"
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#define PRIo16 _pri16 "o"
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#define PRIo32 _pri32 "o"
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#define PRIo64 _pri64 "o"
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#define PRIu8 _pri8 "u"
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#define PRIu16 _pri16 "u"
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#define PRIu32 _pri32 "u"
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#define PRIu64 _pri64 "u"
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#define PRIx8 _pri8 "x"
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#define PRIx16 _pri16 "x"
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#define PRIx32 _pri32 "x"
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#define PRIx64 _pri64 "x"
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#define PRIX8 _pri8 "X"
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#define PRIX16 _pri16 "X"
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#define PRIX32 _pri32 "X"
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#define PRIX64 _pri64 "X"
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#define SCNd8 _scn8 "d"
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#define SCNd16 _scn16 "d"
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#define SCNd32 _scn32 "d"
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#define SCNd64 _scn64 "d"
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#define SCNi8 _scn8 "i"
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#define SCNi16 _scn16 "i"
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#define SCNi32 _scn32 "i"
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#define SCNi64 _scn64 "i"
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#define SCNo8 _scn8 "o"
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#define SCNo16 _scn16 "o"
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#define SCNo32 _scn32 "o"
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#define SCNo64 _scn64 "o"
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#define SCNu8 _scn8 "u"
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#define SCNu16 _scn16 "u"
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#define SCNu32 _scn32 "u"
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#define SCNu64 _scn64 "u"
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#define SCNx8 _scn8 "x"
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#define SCNx16 _scn16 "x"
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#define SCNx32 _scn32 "x"
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#define SCNx64 _scn64 "x"
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#define INT8_MIN INT8_C(-128)
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#define INT8_MAX INT8_C(127)
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#define UINT8_MAX UINT8_C(255)
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#define INT16_MIN INT16_C(-32768)
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#define INT16_MAX INT16_C(32767)
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#define UINT16_MAX UINT16_C(65535)
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#define INT32_MIN INT32_C(-2147483648)
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#define INT32_MAX INT32_C(2147483647)
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#define UINT32_MAX UINT32_C(4294967295)
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#define INT64_MIN INT64_C(-9223372036854775808)
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#define INT64_MAX INT64_C(9223372036854775807)
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#define UINT64_MAX UINT64_C(18446744073709551615)
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#endif /* NASM_NASMINT_H */
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