source: rtems/cpukit/libcsupport/include/sys/_stdint.h @ 07a984b

/**
 *  @file  sys/_stdint.h
 */

/*
 *  COPYRIGHT (c) 2004.
 *  Ralf Corsepius, Ulm/Germany.
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 *
 *  $Id$
 */

#ifndef __sys_stdint_h
#define __sys_stdint_h

#ifdef __cplusplus
extern "C" {
#endif

#if defined(__GNUC__) && (__GNUC__ >= 3 ) \
  && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 2 ) 
#define __EXP(x) __##x##__
#else
#define __EXP(x) x
#include <limits.h>
#endif

#if __EXP(SCHAR_MAX) == 0x7f
typedef signed char int8_t ;
typedef unsigned char uint8_t ;
#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 __EXP(SHRT_MAX) == 0x7fff
typedef signed short int16_t;
typedef unsigned short uint16_t;
#define __int16_t_defined 1
#elif __EXP(INT_MAX) == 0x7fff
typedef signed int int16_t;
typedef unsigned int uint16_t;
#define __int16_t_defined 1
#elif __EXP(SCHAR_MAX) == 0x7fff
typedef signed char int16_t;
typedef unsigned char uint16_t;
#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 __EXP(INT_MAX) == 0x7fffffffL
typedef signed int int32_t;
typedef unsigned int uint32_t;
#define __int32_t_defined 1
#elif __EXP(LONG_MAX) == 0x7fffffffL
typedef signed long int32_t;
typedef unsigned long uint32_t;
#define __int32_t_defined 1
#define __rtems_long32 1
#elif __EXP(SHRT_MAX) == 0x7fffffffL
typedef signed short int32_t;
typedef unsigned short uint32_t;
#define __int32_t_defined 1
#elif __EXP(SCHAR_MAX) == 0x7fffffffL
typedef signed char int32_t;
typedef unsigned char uint32_t;
#define INT32_C(x) x
#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

#if __EXP(LONG_MAX) > 0x7fffffff
typedef signed long int64_t;
typedef unsigned long uint64_t;
#define __int64_t_defined 1
#define __rtems_long64 1
#elif  __EXP(LONG_LONG_MAX) > 0x7fffffff
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
#define __int64_t_defined 1
#define __rtems_longlong64 1
#elif  __EXP(INT_MAX) > 0x7fffffff
typedef signed int int64_t;
typedef unsigned int uint64_t;
#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

#if __rtems_longlong64
typedef signed long long intmax_t;
typedef unsigned long long uintmax_t;
#else
typedef signed long intmax_t;
typedef unsigned long uintmax_t;
#endif

typedef signed long intptr_t;
typedef unsigned long uintptr_t;

/* 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 INTLEAST8_MIN   -128
#define INTLEAST8_MAX    127
#define UINTLEAST8_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 INTLEAST16_MIN  -32768
#define INTLEAST16_MAX   32767
#define UINTLEAST16_MAX  65535
#else
#error required type int_least16_t missing
#endif

#if __int32_t_defined
#define INT32_MIN       -2147483648
#define INT32_MAX        2147483647
#define UINT32_MAX       4294967295
#endif

#if __int_least32_t_defined
#define INTLEAST32_MIN  -2147483648
#define INTLEAST32_MAX   2147483647
#define UINTLEAST32_MAX  4294967295
#else
#error required type int_least32_t missing
#endif

#if __int64_t_defined
#define INT64_MIN       -9223372036854775808
#define INT64_MAX        9223372036854775807
#define UINT64_MAX      18446744073709551615
#endif

#if __int_least64_t_defined
#define INTLEAST64_MIN  -9223372036854775808
#define INTLEAST64_MAX   9223372036854775807
#define UINTLEAST64_MAX 18446744073709551615
#endif

#undef __EXP

#ifdef __cplusplus
}
#endif

#endif /*__sys_stdint_h */