manuals/2.4.0-dev/stdint_8h_source.html

// ISO C9x  compliant stdint.h for Microsoft Visual Studio

// Based on ISO/IEC 9899:TC2 Committee draft (May 6, 2005) WG14/N1124

//

//  Copyright (c) 2006-2008 Alexander Chemeris

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//

//   1. Redistributions of source code must retain the above copyright notice,

//      this list of conditions and the following disclaimer.

//

//   2. Redistributions in binary form must reproduce the above copyright

//      notice, this list of conditions and the following disclaimer in the

//      documentation and/or other materials provided with the distribution.

//

//   3. The name of the author may be used to endorse or promote products

//      derived from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED

// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//


#ifndef _MSC_VER // [

#error "Use this header only with Microsoft Visual C++ compilers!"

#endif // _MSC_VER ]


#ifndef _MSC_STDINT_H_ // [

#define _MSC_STDINT_H_


#if _MSC_VER > 1000

#pragma once

#endif


#include <limits.h>


// For Visual Studio 6 in C++ mode and for many Visual Studio versions when

// compiling for ARM we should wrap <wchar.h> include with 'extern "C++" {}'

// or compiler give many errors like this:

//   error C2733: second C linkage of overloaded function 'wmemchr' not allowed

#ifdef __cplusplus

extern "C" {

#endif

#include <wchar.h>

#ifdef __cplusplus

}

#endif


// Define _W64 macros to mark types changing their size, like intptr_t.

#ifndef _W64

#if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300

#define _W64 __w64

#else

#define _W64

#endif

#endif


// 7.18.1 Integer types


// 7.18.1.1 Exact-width integer types


// Visual Studio 6 and Embedded Visual C++ 4 doesn't

// realize that, e.g. char has the same size as __int8

// so we give up on __intX for them.

#if (_MSC_VER < 1300)

typedef signed char int8_t;

typedef signed short int16_t;

typedef signed int int32_t;

typedef unsigned char uint8_t;

typedef unsigned short uint16_t;

typedef unsigned int uint32_t;

#else

typedef signed __int8 int8_t;

typedef signed __int16 int16_t;

typedef signed __int32 int32_t;

typedef unsigned __int8 uint8_t;

typedef unsigned __int16 uint16_t;

typedef unsigned __int32 uint32_t;

#endif

typedef signed __int64 int64_t;

typedef unsigned __int64 uint64_t;


// 7.18.1.2 Minimum-width integer types

typedef int8_t int_least8_t;

typedef int16_t int_least16_t;

typedef int32_t int_least32_t;

typedef int64_t int_least64_t;

typedef uint8_t uint_least8_t;

typedef uint16_t uint_least16_t;

typedef uint32_t uint_least32_t;

typedef uint64_t uint_least64_t;


// 7.18.1.3 Fastest minimum-width integer types

typedef int8_t int_fast8_t;

typedef int16_t int_fast16_t;

typedef int32_t int_fast32_t;

typedef int64_t int_fast64_t;

typedef uint8_t uint_fast8_t;

typedef uint16_t uint_fast16_t;

typedef uint32_t uint_fast32_t;

typedef uint64_t uint_fast64_t;


// 7.18.1.4 Integer types capable of holding object pointers

#ifdef _WIN64 // [

typedef signed __int64 intptr_t;

typedef unsigned __int64 uintptr_t;

#else  // _WIN64 ][

typedef _W64 signed int intptr_t;

typedef _W64 unsigned int uintptr_t;

#endif // _WIN64 ]


// 7.18.1.5 Greatest-width integer types

typedef int64_t intmax_t;

typedef uint64_t uintmax_t;


// 7.18.2 Limits of specified-width integer types


#if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS) // [   See footnote 220 at page 257 and

                                                          // footnote 221 at page 259


// 7.18.2.1 Limits of exact-width integer types

#define INT8_MIN ((int8_t)_I8_MIN)

#define INT8_MAX _I8_MAX

#define INT16_MIN ((int16_t)_I16_MIN)

#define INT16_MAX _I16_MAX

#define INT32_MIN ((int32_t)_I32_MIN)

#define INT32_MAX _I32_MAX

#define INT64_MIN ((int64_t)_I64_MIN)

#define INT64_MAX _I64_MAX

#define UINT8_MAX _UI8_MAX

#define UINT16_MAX _UI16_MAX

#define UINT32_MAX _UI32_MAX

#define UINT64_MAX _UI64_MAX


// 7.18.2.2 Limits of minimum-width integer types

#define INT_LEAST8_MIN INT8_MIN

#define INT_LEAST8_MAX INT8_MAX

#define INT_LEAST16_MIN INT16_MIN

#define INT_LEAST16_MAX INT16_MAX

#define INT_LEAST32_MIN INT32_MIN

#define INT_LEAST32_MAX INT32_MAX

#define INT_LEAST64_MIN INT64_MIN

#define INT_LEAST64_MAX INT64_MAX

#define UINT_LEAST8_MAX UINT8_MAX

#define UINT_LEAST16_MAX UINT16_MAX

#define UINT_LEAST32_MAX UINT32_MAX

#define UINT_LEAST64_MAX UINT64_MAX


// 7.18.2.3 Limits of fastest minimum-width integer types

#define INT_FAST8_MIN INT8_MIN

#define INT_FAST8_MAX INT8_MAX

#define INT_FAST16_MIN INT16_MIN

#define INT_FAST16_MAX INT16_MAX

#define INT_FAST32_MIN INT32_MIN

#define INT_FAST32_MAX INT32_MAX

#define INT_FAST64_MIN INT64_MIN

#define INT_FAST64_MAX INT64_MAX

#define UINT_FAST8_MAX UINT8_MAX

#define UINT_FAST16_MAX UINT16_MAX

#define UINT_FAST32_MAX UINT32_MAX

#define UINT_FAST64_MAX UINT64_MAX


// 7.18.2.4 Limits of integer types capable of holding object pointers

#ifdef _WIN64 // [

#define INTPTR_MIN INT64_MIN

#define INTPTR_MAX INT64_MAX

#define UINTPTR_MAX UINT64_MAX

#else // _WIN64 ][

#define INTPTR_MIN INT32_MIN

#define INTPTR_MAX INT32_MAX

#define UINTPTR_MAX UINT32_MAX

#endif // _WIN64 ]


// 7.18.2.5 Limits of greatest-width integer types

#define INTMAX_MIN INT64_MIN

#define INTMAX_MAX INT64_MAX

#define UINTMAX_MAX UINT64_MAX


// 7.18.3 Limits of other integer types


#ifdef _WIN64 // [

#define PTRDIFF_MIN _I64_MIN

#define PTRDIFF_MAX _I64_MAX

#else // _WIN64 ][

#define PTRDIFF_MIN _I32_MIN

#define PTRDIFF_MAX _I32_MAX

#endif // _WIN64 ]


#define SIG_ATOMIC_MIN INT_MIN

#define SIG_ATOMIC_MAX INT_MAX


#ifndef SIZE_MAX // [

#ifdef _WIN64    // [

#define SIZE_MAX _UI64_MAX

#else // _WIN64 ][

#define SIZE_MAX _UI32_MAX

#endif // _WIN64 ]

#endif // SIZE_MAX ]


// WCHAR_MIN and WCHAR_MAX are also defined in <wchar.h>

#ifndef WCHAR_MIN // [

#define WCHAR_MIN 0

#endif            // WCHAR_MIN ]

#ifndef WCHAR_MAX // [

#define WCHAR_MAX _UI16_MAX

#endif // WCHAR_MAX ]


#define WINT_MIN 0

#define WINT_MAX _UI16_MAX


#endif // __STDC_LIMIT_MACROS ]


// 7.18.4 Limits of other integer types


#if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS) // [   See footnote 224 at page 260


// 7.18.4.1 Macros for minimum-width integer constants


#define INT8_C(val) val##i8

#define INT16_C(val) val##i16

#define INT32_C(val) val##i32

#define INT64_C(val) val##i64


#define UINT8_C(val) val##ui8

#define UINT16_C(val) val##ui16

#define UINT32_C(val) val##ui32

#define UINT64_C(val) val##ui64


// 7.18.4.2 Macros for greatest-width integer constants

#define INTMAX_C INT64_C

#define UINTMAX_C UINT64_C


#endif // __STDC_CONSTANT_MACROS ]


#endif // _MSC_STDINT_H_ ]