diff options
Diffstat (limited to 'newlib/libc/include/stdint.h')
| -rw-r--r-- | newlib/libc/include/stdint.h | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/newlib/libc/include/stdint.h b/newlib/libc/include/stdint.h index 7386164b9..643b9694e 100644 --- a/newlib/libc/include/stdint.h +++ b/newlib/libc/include/stdint.h @@ -10,12 +10,33 @@ #define _STDINT_H #include <machine/_default_types.h> -#include <sys/_intsup.h> #ifdef __cplusplus extern "C" { #endif +#if __GNUC_PREREQ (3, 2) +/* gcc > 3.2 implicitly defines the values we are interested */ +#define __STDINT_EXP(x) __##x##__ +#else +#define __STDINT_EXP(x) x +#include <limits.h> +#endif + +/* Check if "long long" is 64bit wide */ +/* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */ +#if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \ + || ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) ) +#define __have_longlong64 1 +#endif + +/* Check if "long" is 64bit or 32bit wide */ +#if __STDINT_EXP(LONG_MAX) > 0x7fffffff +#define __have_long64 1 +#elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__) +#define __have_long32 1 +#endif + #ifdef ___int8_t_defined typedef __int8_t int8_t ; typedef __uint8_t uint8_t ; @@ -402,26 +423,11 @@ typedef __uintptr_t uintptr_t; #endif #define PTRDIFF_MIN (-PTRDIFF_MAX - 1) -/* This must match definition in <wchar.h> */ -#ifndef WCHAR_MIN -#ifdef __WCHAR_MIN__ -#define WCHAR_MIN __WCHAR_MIN__ -#elif defined(__WCHAR_UNSIGNED__) || (L'\0' - 1 > 0) -#define WCHAR_MIN (0 + L'\0') -#else -#define WCHAR_MIN (-0x7fffffff - 1 + L'\0') -#endif -#endif - -/* This must match definition in <wchar.h> */ -#ifndef WCHAR_MAX #ifdef __WCHAR_MAX__ #define WCHAR_MAX __WCHAR_MAX__ -#elif defined(__WCHAR_UNSIGNED__) || (L'\0' - 1 > 0) -#define WCHAR_MAX (0xffffffffu + L'\0') -#else -#define WCHAR_MAX (0x7fffffff + L'\0') #endif +#ifdef __WCHAR_MIN__ +#define WCHAR_MIN __WCHAR_MIN__ #endif /* wint_t is unsigned int on almost all GCC targets. */ |