forked from KolibriOS/kolibrios
210 lines
6.0 KiB
C
210 lines
6.0 KiB
C
/*
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* Copyright (c) 2004, 2005 by
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* Ralf Corsepius, Ulm/Germany. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software
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* is freely granted, provided that this notice is preserved.
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*/
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#ifndef _SYS__INTSUP_H
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#define _SYS__INTSUP_H
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#include <sys/features.h>
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#if __GNUC_PREREQ (3, 2)
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/* gcc > 3.2 implicitly defines the values we are interested */
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#define __STDINT_EXP(x) __##x##__
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#else
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#define __STDINT_EXP(x) x
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#include <limits.h>
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#endif
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/* Check if "long long" is 64bit wide */
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/* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */
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#if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \
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|| ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) )
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#define __have_longlong64 1
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#endif
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/* Check if "long" is 64bit or 32bit wide */
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#if __STDINT_EXP(LONG_MAX) > 0x7fffffff
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#define __have_long64 1
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#elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__)
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#define __have_long32 1
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#endif
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/* Determine how intptr_t and intN_t fastN_t and leastN_t are defined by gcc
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for this target. This is used to determine the correct printf() constant in
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inttypes.h and other constants in stdint.h.
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So we end up with
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?(signed|unsigned) char == 0
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?(signed|unsigned) short == 1
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?(signed|unsigned) int == 2
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?(signed|unsigned) short int == 3
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?(signed|unsigned) long == 4
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?(signed|unsigned) long int == 6
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?(signed|unsigned) long long == 8
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?(signed|unsigned) long long int == 10
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*/
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#pragma push_macro("signed")
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#pragma push_macro("unsigned")
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#pragma push_macro("char")
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#pragma push_macro("short")
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#pragma push_macro("__int20")
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#pragma push_macro("int")
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#pragma push_macro("long")
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#undef signed
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#undef unsigned
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#undef char
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#undef short
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#undef int
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#undef __int20
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#undef long
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#define signed +0
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#define unsigned +0
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#define char +0
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#define short +1
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#define __int20 +2
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#define int +2
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#define long +4
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#if (__INTPTR_TYPE__ == 8 || __INTPTR_TYPE__ == 10)
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#define _INTPTR_EQ_LONGLONG
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#elif (__INTPTR_TYPE__ == 4 || __INTPTR_TYPE__ == 6)
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#define _INTPTR_EQ_LONG
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/* Note - the tests for _INTPTR_EQ_INT and _INTPTR_EQ_SHORT are currently
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redundant as the values are not used. But one day they may be needed
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and so the tests remain. */
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#elif __INTPTR_TYPE__ == 2
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#define _INTPTR_EQ_INT
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#elif (__INTPTR_TYPE__ == 1 || __INTPTR_TYPE__ == 3)
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#define _INTPTR_EQ_SHORT
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#else
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#error "Unable to determine type definition of intptr_t"
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#endif
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#if (__INT32_TYPE__ == 4 || __INT32_TYPE__ == 6)
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#define _INT32_EQ_LONG
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#elif __INT32_TYPE__ == 2
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/* Nothing to define because int32_t is safe to print as an int. */
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#else
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#error "Unable to determine type definition of int32_t"
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#endif
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#if (__INT8_TYPE__ == 0)
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#define __INT8 "hh"
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#elif (__INT8_TYPE__ == 1 || __INT8_TYPE__ == 3)
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#define __INT8 "h"
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#elif (__INT8_TYPE__ == 2)
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#define __INT8
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#elif (__INT8_TYPE__ == 4 || __INT8_TYPE__ == 6)
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#define __INT8 "l"
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#elif (__INT8_TYPE__ == 8 || __INT8_TYPE__ == 10)
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#define __INT8 "ll"
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#endif
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#if (__INT16_TYPE__ == 1 || __INT16_TYPE__ == 3)
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#define __INT16 "h"
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#elif (__INT16_TYPE__ == 2)
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#define __INT16
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#elif (__INT16_TYPE__ == 4 || __INT16_TYPE__ == 6)
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#define __INT16 "l"
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#elif (__INT16_TYPE__ == 8 || __INT16_TYPE__ == 10)
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#define __INT16 "ll"
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#endif
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#if (__INT32_TYPE__ == 2)
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#define __INT32
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#elif (__INT32_TYPE__ == 4 || __INT32_TYPE__ == 6)
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#define __INT32 "l"
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#elif (__INT32_TYPE__ == 8 || __INT32_TYPE__ == 10)
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#define __INT32 "ll"
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#endif
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#if (__INT64_TYPE__ == 2)
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#define __INT64
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#elif (__INT64_TYPE__ == 4 || __INT64_TYPE__ == 6)
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#define __INT64 "l"
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#elif (__INT64_TYPE__ == 8 || __INT64_TYPE__ == 10)
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#define __INT64 "ll"
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#endif
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#if (__INT_FAST8_TYPE__ == 0)
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#define __FAST8 "hh"
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#elif (__INT_FAST8_TYPE__ == 1 || __INT_FAST8_TYPE__ == 3)
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#define __FAST8 "h"
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#elif (__INT_FAST8_TYPE__ == 2)
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#define __FAST8
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#elif (__INT_FAST8_TYPE__ == 4 || __INT_FAST8_TYPE__ == 6)
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#define __FAST8 "l"
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#elif (__INT_FAST8_TYPE__ == 8 || __INT_FAST8_TYPE__ == 10)
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#define __FAST8 "ll"
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#endif
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#if (__INT_FAST16_TYPE__ == 1 || __INT_FAST16_TYPE__ == 3)
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#define __FAST16 "h"
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#elif (__INT_FAST16_TYPE__ == 2)
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#define __FAST16
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#elif (__INT_FAST16_TYPE__ == 4 || __INT_FAST16_TYPE__ == 6)
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#define __FAST16 "l"
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#elif (__INT_FAST16_TYPE__ == 8 || __INT_FAST16_TYPE__ == 10)
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#define __FAST16 "ll"
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#endif
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#if (__INT_FAST32_TYPE__ == 2)
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#define __FAST32
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#elif (__INT_FAST32_TYPE__ == 4 || __INT_FAST32_TYPE__ == 6)
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#define __FAST32 "l"
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#elif (__INT_FAST32_TYPE__ == 8 || __INT_FAST32_TYPE__ == 10)
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#define __FAST32 "ll"
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#endif
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#if (__INT_FAST64_TYPE__ == 2)
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#define __FAST64
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#elif (__INT_FAST64_TYPE__ == 4 || __INT_FAST64_TYPE__ == 6)
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#define __FAST64 "l"
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#elif (__INT_FAST64_TYPE__ == 8 || __INT_FAST64_TYPE__ == 10)
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#define __FAST64 "ll"
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#endif
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#if (__INT_LEAST8_TYPE__ == 0)
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#define __LEAST8 "hh"
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#elif (__INT_LEAST8_TYPE__ == 1 || __INT_LEAST8_TYPE__ == 3)
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#define __LEAST8 "h"
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#elif (__INT_LEAST8_TYPE__ == 2)
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#define __LEAST8
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#elif (__INT_LEAST8_TYPE__ == 4 || __INT_LEAST8_TYPE__ == 6)
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#define __LEAST8 "l"
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#elif (__INT_LEAST8_TYPE__ == 8 || __INT_LEAST8_TYPE__ == 10)
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#define __LEAST8 "ll"
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#endif
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#if (__INT_LEAST16_TYPE__ == 1 || __INT_LEAST16_TYPE__ == 3)
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#define __LEAST16 "h"
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#elif (__INT_LEAST16_TYPE__ == 2)
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#define __LEAST16
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#elif (__INT_LEAST16_TYPE__ == 4 || __INT_LEAST16_TYPE__ == 6)
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#define __LEAST16 "l"
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#elif (__INT_LEAST16_TYPE__ == 8 || __INT_LEAST16_TYPE__ == 10)
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#define __LEAST16 "ll"
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#endif
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#if (__INT_LEAST32_TYPE__ == 2)
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#define __LEAST32
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#elif (__INT_LEAST32_TYPE__ == 4 || __INT_LEAST32_TYPE__ == 6)
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#define __LEAST32 "l"
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#elif (__INT_LEAST32_TYPE__ == 8 || __INT_LEAST32_TYPE__ == 10)
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#define __LEAST32 "ll"
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#endif
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#if (__INT_LEAST64_TYPE__ == 2)
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#define __LEAST64
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#elif (__INT_LEAST64_TYPE__ == 4 || __INT_LEAST64_TYPE__ == 6)
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#define __LEAST64 "l"
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#elif (__INT_LEAST64_TYPE__ == 8 || __INT_LEAST64_TYPE__ == 10)
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#define __LEAST64 "ll"
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#endif
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#undef signed
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#undef unsigned
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#undef char
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#undef short
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#undef int
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#undef long
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#pragma pop_macro("signed")
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#pragma pop_macro("unsigned")
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#pragma pop_macro("char")
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#pragma pop_macro("short")
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#pragma pop_macro("__int20")
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#pragma pop_macro("int")
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#pragma pop_macro("long")
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#endif /* _SYS__INTSUP_H */
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