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Better declarations of limits in stdint.h.

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This is more compatible with how gcc limits.h does stuff.
This commit is contained in:
Jonas 'Sortie' Termansen 2012-09-09 22:41:02 +02:00
parent ab1901976c
commit da7f10269d
2 changed files with 56 additions and 24 deletions
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40
sortix/include/sortix/x64/bits.h
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@ -61,18 +61,34 @@ typedef signed long __intptr_t;
typedef unsigned long __uintptr_t;
typedef signed long __ptrdiff_t;
#define __INT8_MIN (0x80)
#define __INT16_MIN (0x8000)
#define __INT32_MIN (0x80000000)
#define __INT64_MIN (0x8000000000000000ULL)
#define __INT8_MAX (0x7F)
#define __INT16_MAX (0x7FFF)
#define __INT32_MAX (0x7FFFFFFF)
#define __INT64_MAX (0x7FFFFFFFFFFFFFFFULL)
#define __UINT8_MAX (0xFF)
#define __UINT16_MAX (0xFFFF)
#define __UINT32_MAX (0xFFFFFFFF)
#define __UINT64_MAX (0xFFFFFFFFFFFFFFFFULL)
#if defined(__x86_64__)
#define __WORDSIZE 64
#elif defined(__i386__)
#define __WORDSIZE 32
#else
#error __WORDSIZE not declared on this CPU.
#endif
# if __WORDSIZE == 64
# define __INT64_C(c) c ## L
# define __UINT64_C(c) c ## UL
# else
# define __INT64_C(c) c ## LL
# define __UINT64_C(c) c ## ULL
# endif
#define __INT8_MIN (127-1)
#define __INT16_MIN (-32767-1)
#define __INT32_MIN (-2147483647-1)
#define __INT64_MIN (-__INT64_C(9223372036854775807)-1)
#define __INT8_MAX (127)
#define __INT16_MAX (32767)
#define __INT32_MAX (2147483647)
#define __INT64_MAX (__INT64_C(9223372036854775807))
#define __UINT8_MAX (255)
#define __UINT16_MAX (65535)
#define __UINT32_MAX (4294967295U)
#define __UINT64_MAX (__UINT64_C(18446744073709551615))
#define __INTMAX_MIN __INT64_MIN
#define __INTMAX_MAX __INT64_MAX

40
sortix/include/sortix/x86/bits.h
View file

@ -61,18 +61,34 @@ typedef signed long __intptr_t;
typedef unsigned long __uintptr_t;
typedef signed long __ptrdiff_t;
#define __INT8_MIN (0x80)
#define __INT16_MIN (0x8000)
#define __INT32_MIN (0x80000000)
#define __INT64_MIN (0x8000000000000000ULL)
#define __INT8_MAX (0x7F)
#define __INT16_MAX (0x7FFF)
#define __INT32_MAX (0x7FFFFFFF)
#define __INT64_MAX (0x7FFFFFFFFFFFFFFFULL)
#define __UINT8_MAX (0xFF)
#define __UINT16_MAX (0xFFFF)
#define __UINT32_MAX (0xFFFFFFFF)
#define __UINT64_MAX (0xFFFFFFFFFFFFFFFFULL)
#if defined(__x86_64__)
#define __WORDSIZE 64
#elif defined(__i386__)
#define __WORDSIZE 32
#else
#error __WORDSIZE not declared on this CPU.
#endif
# if __WORDSIZE == 64
# define __INT64_C(c) c ## L
# define __UINT64_C(c) c ## UL
# else
# define __INT64_C(c) c ## LL
# define __UINT64_C(c) c ## ULL
# endif
#define __INT8_MIN (127-1)
#define __INT16_MIN (-32767-1)
#define __INT32_MIN (-2147483647-1)
#define __INT64_MIN (-__INT64_C(9223372036854775807)-1)
#define __INT8_MAX (127)
#define __INT16_MAX (32767)
#define __INT32_MAX (2147483647)
#define __INT64_MAX (__INT64_C(9223372036854775807))
#define __UINT8_MAX (255)
#define __UINT16_MAX (65535)
#define __UINT32_MAX (4294967295U)
#define __UINT64_MAX (__UINT64_C(18446744073709551615))
#define __INTMAX_MIN __INT64_MIN
#define __INTMAX_MAX __INT64_MAX