Retro68/gcc/newlib/libc/sys/linux/include/stdint.h
2012-03-27 01:51:53 +02:00

294 lines
6.9 KiB
C

/*
* Copyright (c) 2004, 2005 by
* Ralf Corsepius, Ulm/Germany. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
/*
* @todo - Add fast<N>_t types.
* @todo - Add support for wint_t types.
*/
#ifndef _STDINT_H
#define _STDINT_H
#include <sys/types.h>
#include <bits/wordsize.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__GNUC__) && (__GNUC__ >= 3 ) \
&& defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2 )
#define __STDINT_EXP(x) __##x##__
#else
#define __STDINT_EXP(x) x
#include <limits.h>
#endif
#if __STDINT_EXP(SCHAR_MAX) == 0x7f
#define __int8_t_defined 1
#endif
#if __int8_t_defined
typedef signed char int_least8_t;
typedef unsigned char uint_least8_t;
#define __int_least8_t_defined 1
#endif
#if __STDINT_EXP(SHRT_MAX) == 0x7fff
#define __int16_t_defined 1
#elif __STDINT_EXP(INT_MAX) == 0x7fff
#define __int16_t_defined 1
#elif __STDINT_EXP(SCHAR_MAX) == 0x7fff
#define __int16_t_defined 1
#endif
#if __int16_t_defined
typedef int16_t int_least16_t;
typedef uint16_t uint_least16_t;
#define __int_least16_t_defined 1
#ifndef __int_least8_t_defined
typedef int16_t int_least8_t;
typedef uint16_t uint_least8_t;
#define __int_least8_t_defined 1
#endif
#endif
#if __STDINT_EXP(INT_MAX) == 0x7fffffffL
#define __int32_t_defined 1
#elif __STDINT_EXP(LONG_MAX) == 0x7fffffffL
#define __int32_t_defined 1
#define __have_long32 1
#elif __STDINT_EXP(SHRT_MAX) == 0x7fffffffL
#define __int32_t_defined 1
#elif __STDINT_EXP(SCHAR_MAX) == 0x7fffffffL
#define __int32_t_defined 1
#endif
#if __int32_t_defined
typedef int32_t int_least32_t;
typedef uint32_t uint_least32_t;
#define __int_least32_t_defined 1
#ifndef __int_least8_t_defined
typedef int32_t int_least8_t;
typedef uint32_t uint_least8_t;
#define __int_least8_t_defined 1
#endif
#ifndef __int_least16_t_defined
typedef int32_t int_least16_t;
typedef uint32_t uint_least16_t;
#define __int_least16_t_defined 1
#endif
#endif
/* Fast types. */
/* Signed. */
typedef signed char int_fast8_t;
#if __WORDSIZE == 64
typedef long int int_fast16_t;
typedef long int int_fast32_t;
typedef long int int_fast64_t;
#else
typedef int int_fast16_t;
typedef int int_fast32_t;
__extension__
typedef long long int int_fast64_t;
#endif
/* Unsigned. */
typedef unsigned char uint_fast8_t;
#if __WORDSIZE == 64
typedef unsigned long int uint_fast16_t;
typedef unsigned long int uint_fast32_t;
typedef unsigned long int uint_fast64_t;
#else
typedef unsigned int uint_fast16_t;
typedef unsigned int uint_fast32_t;
__extension__
typedef unsigned long long int uint_fast64_t;
#endif
#if __STDINT_EXP(LONG_MAX) > 0x7fffffff
#define __int64_t_defined 1
#define __have_long64 1
#elif defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff)
#define __int64_t_defined 1
#define __have_longlong64 1
#elif defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff)
#define __int64_t_defined 1
#define __have_longlong64 1
#elif __STDINT_EXP(INT_MAX) > 0x7fffffff
#define __int64_t_defined 1
#endif
#if __int64_t_defined
typedef int64_t int_least64_t;
typedef uint64_t uint_least64_t;
#define __int_least64_t_defined 1
#ifndef __int_least8_t_defined
typedef int64_t int_least8_t;
typedef uint64_t uint_least8_t;
#define __int_least8_t_defined 1
#endif
#ifndef __int_least16_t_defined
typedef int64_t int_least16_t;
typedef uint64_t uint_least16_t;
#define __int_least16_t_defined 1
#endif
#ifndef __int_least32_t_defined
typedef int64_t int_least32_t;
typedef uint64_t uint_least32_t;
#define __int_least32_t_defined 1
#endif
#endif
/* Greatest-width integer types */
/* Modern GCCs provide __INTMAX_TYPE__ */
#if defined(__INTMAX_TYPE__)
typedef __INTMAX_TYPE__ intmax_t;
#elif __have_longlong64
typedef signed long long intmax_t;
#else
typedef signed long intmax_t;
#endif
/* Modern GCCs provide __UINTMAX_TYPE__ */
#if defined(__UINTMAX_TYPE__)
typedef __UINTMAX_TYPE__ uintmax_t;
#elif __have_longlong64
typedef unsigned long long uintmax_t;
#else
typedef unsigned long uintmax_t;
#endif
/* Limits of Specified-Width Integer Types */
#if __int8_t_defined
#define INT8_MIN -128
#define INT8_MAX 127
#define UINT8_MAX 255
#endif
#if __int_least8_t_defined
#define INT_LEAST8_MIN -128
#define INT_LEAST8_MAX 127
#define UINT_LEAST8_MAX 255
#else
#error required type int_least8_t missing
#endif
#if __int16_t_defined
#define INT16_MIN -32768
#define INT16_MAX 32767
#define UINT16_MAX 65535
#endif
#if __int_least16_t_defined
#define INT_LEAST16_MIN -32768
#define INT_LEAST16_MAX 32767
#define UINT_LEAST16_MAX 65535
#else
#error required type int_least16_t missing
#endif
#if __int32_t_defined
#define INT32_MIN (-2147483647-1)
#define INT32_MAX 2147483647
#define UINT32_MAX 4294967295U
#endif
#if __int_least32_t_defined
#define INT_LEAST32_MIN (-2147483647-1)
#define INT_LEAST32_MAX 2147483647
#define UINT_LEAST32_MAX 4294967295U
#else
#error required type int_least32_t missing
#endif
#if __int64_t_defined
#ifdef __have_long64
#define INT64_MIN (-9223372036854775807L-1L)
#define INT64_MAX 9223372036854775807L
#define UINT64_MAX 18446744073709551615U
#elif defined(__have_longlong64)
#define INT64_MIN (-9223372036854775807LL-1LL)
#define INT64_MAX 9223372036854775807LL
#define UINT64_MAX 18446744073709551615ULL
#endif
#endif
#if __int_least64_t_defined
#ifdef __have_long64
#define INT_LEAST64_MIN (-9223372036854775807L-1L)
#define INT_LEAST64_MAX 9223372036854775807L
#define UINT_LEAST64_MAX 18446744073709551615U
#elif defined(__have_longlong64)
#define INT_LEAST64_MIN (-9223372036854775807LL-1LL)
#define INT_LEAST64_MAX 9223372036854775807LL
#define UINT_LEAST64_MAX 18446744073709551615ULL
#endif
#endif
/* This must match size_t in stddef.h, currently long unsigned int */
#define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1)
/* This must match sig_atomic_t in <signal.h> (currently int) */
#define SIG_ATOMIC_MIN (-__STDINT_EXP(INT_MAX) - 1)
#define SIG_ATOMIC_MAX __STDINT_EXP(INT_MAX)
/* This must match ptrdiff_t in <stddef.h> (currently long int) */
#define PTRDIFF_MIN (-__STDINT_EXP(LONG_MAX) - 1L)
#define PTRDIFF_MAX __STDINT_EXP(LONG_MAX)
/** Macros for minimum-width integer constant expressions */
#define INT8_C(x) x
#define UINT8_C(x) x##U
#define INT16_C(x) x
#define UINT16_C(x) x##U
#if __have_long32
#define INT32_C(x) x##L
#define UINT32_C(x) x##UL
#else
#define INT32_C(x) x
#define UINT32_C(x) x##U
#endif
#if __int64_t_defined
#if __have_longlong64
#define INT64_C(x) x##LL
#define UINT64_C(x) x##ULL
#else
#define INT64_C(x) x##L
#define UINT64_C(x) x##UL
#endif
#endif
/** Macros for greatest-width integer constant expression */
#if __have_longlong64
#define INTMAX_C(x) x##LL
#define UINTMAX_C(x) x##ULL
#else
#define INTMAX_C(x) x##L
#define UINTMAX_C(x) x##UL
#endif
#ifdef __cplusplus
}
#endif
#endif /* _STDINT_H */