diff options
Diffstat (limited to 'newlib/libc/include')
| -rw-r--r-- | newlib/libc/include/stdint.h | 117 |
1 files changed, 100 insertions, 17 deletions
diff --git a/newlib/libc/include/stdint.h b/newlib/libc/include/stdint.h index 821462d8a..671400be7 100644 --- a/newlib/libc/include/stdint.h +++ b/newlib/libc/include/stdint.h @@ -6,10 +6,6 @@ * is freely granted, provided that this notice is preserved. */ -/* - * @todo - Add support for wint_t types. - */ - #ifndef _STDINT_H #define _STDINT_H @@ -286,15 +282,27 @@ typedef unsigned long uintptr_t; #endif #if __int32_t_defined +#if __have_long32 +#define INT32_MIN (-2147483647L-1) +#define INT32_MAX 2147483647L +#define UINT32_MAX 4294967295UL +#else #define INT32_MIN (-2147483647-1) #define INT32_MAX 2147483647 #define UINT32_MAX 4294967295U #endif +#endif #if __int_least32_t_defined +#if __have_long32 +#define INT_LEAST32_MIN (-2147483647L-1) +#define INT_LEAST32_MAX 2147483647L +#define UINT_LEAST32_MAX 4294967295UL +#else #define INT_LEAST32_MIN (-2147483647-1) #define INT_LEAST32_MAX 2147483647 #define UINT_LEAST32_MAX 4294967295U +#endif #else #error required type int_least32_t missing #endif @@ -324,46 +332,121 @@ typedef unsigned long uintptr_t; #endif #if __int_fast8_t_defined -#define INT_FAST8_MIN INT8_MIN -#define INT_FAST8_MAX INT8_MAX -#define UINT_FAST8_MAX UINT8_MAX +#if __STDINT_EXP(INT_MAX) >= 0x7f +#define INT_FAST8_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST8_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST8_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST8_MIN INT_LEAST8_MIN +#define INT_FAST8_MAX INT_LEAST8_MAX +#define UINT_FAST8_MAX UINT_LEAST8_MAX +#endif #endif #if __int_fast16_t_defined -#define INT_FAST16_MIN INT16_MIN -#define INT_FAST16_MAX INT16_MAX -#define UINT_FAST16_MAX UINT16_MAX +#if __STDINT_EXP(INT_MAX) >= 0x7fff +#define INT_FAST16_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST16_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST16_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST16_MIN INT_LEAST16_MIN +#define INT_FAST16_MAX INT_LEAST16_MAX +#define UINT_FAST16_MAX UINT_LEAST16_MAX +#endif #endif #if __int_fast32_t_defined -#define INT_FAST32_MIN INT32_MIN -#define INT_FAST32_MAX INT32_MAX -#define UINT_FAST32_MAX UINT32_MAX +#if __STDINT_EXP(INT_MAX) >= 0x7fffffff +#define INT_FAST32_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST32_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST32_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST32_MIN INT_LEAST32_MIN +#define INT_FAST32_MAX INT_LEAST32_MAX +#define UINT_FAST32_MAX UINT_LEAST32_MAX +#endif #endif #if __int_fast64_t_defined -#define INT_FAST64_MIN INT64_MIN -#define INT_FAST64_MAX INT64_MAX -#define UINT_FAST64_MAX UINT64_MAX +#if __STDINT_EXP(INT_MAX) > 0x7fffffff +#define INT_FAST64_MIN (-__STDINT_EXP(INT_MAX)-1) +#define INT_FAST64_MAX __STDINT_EXP(INT_MAX) +#define UINT_FAST64_MAX (__STDINT_EXP(INT_MAX)*2U+1U) +#else +#define INT_FAST64_MIN INT_LEAST64_MIN +#define INT_FAST64_MAX INT_LEAST64_MAX +#define UINT_FAST64_MAX UINT_LEAST64_MAX +#endif +#endif + +#ifdef __INTMAX_MAX__ +#define INTMAX_MAX __INTMAX_MAX__ +#define INTMAX_MIN (-INTMAX_MAX - 1) +#elif defined(__INTMAX_TYPE__) +/* All relevant GCC versions prefer long to long long for intmax_t. */ +#define INTMAX_MAX INT64_MAX +#define INTMAX_MIN INT64_MIN +#endif + +#ifdef __UINTMAX_MAX__ +#define UINTMAX_MAX __UINTMAX_MAX__ +#elif defined(__UINTMAX_TYPE__) +/* All relevant GCC versions prefer long to long long for intmax_t. */ +#define UINTMAX_MAX UINT64_MAX #endif /* This must match size_t in stddef.h, currently long unsigned int */ +#ifdef __SIZE_MAX__ +#define SIZE_MAX __SIZE_MAX__ +#else #define SIZE_MAX (__STDINT_EXP(LONG_MAX) * 2UL + 1) +#endif /* 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) +#ifdef __PTRDIFF_MAX__ +#define PTRDIFF_MAX __PTRDIFF_MAX__ +#else #define PTRDIFF_MAX __STDINT_EXP(LONG_MAX) +#endif +#define PTRDIFF_MIN (-PTRDIFF_MAX - 1) + +#ifdef __WCHAR_MAX__ +#define WCHAR_MAX __WCHAR_MAX__ +#endif +#ifdef __WCHAR_MIN__ +#define WCHAR_MIN __WCHAR_MIN__ +#endif + +/* wint_t is unsigned int on almost all GCC targets. */ +#ifdef __WINT_MAX__ +#define WINT_MAX __WINT_MAX__ +#else +#define WINT_MAX (__STDINT_EXP(INT_MAX) * 2U + 1U) +#endif +#ifdef __WINT_MIN__ +#define WINT_MIN __WINT_MIN__ +#else +#define WINT_MIN 0U +#endif /** Macros for minimum-width integer constant expressions */ #define INT8_C(x) x +#if __STDINT_EXP(INT_MAX) > 0x7f +#define UINT8_C(x) x +#else #define UINT8_C(x) x##U +#endif #define INT16_C(x) x +#if __STDINT_EXP(INT_MAX) > 0x7fff +#define UINT16_C(x) x +#else #define UINT16_C(x) x##U +#endif #if __have_long32 #define INT32_C(x) x##L |