diff options
Diffstat (limited to 'Include/pyport.h')
| -rw-r--r-- | Include/pyport.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Include/pyport.h b/Include/pyport.h index 92ce3ae..febc21e 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -50,6 +50,22 @@ Used in: PY_LONG_LONG #ifdef HAVE_LONG_LONG #ifndef PY_LONG_LONG #define PY_LONG_LONG long long +#if defined(LLONG_MAX) +/* If LLONG_MAX is defined in limits.h, use that. */ +#define PY_LLONG_MIN LLONG_MIN +#define PY_LLONG_MAX LLONG_MAX +#define PY_ULLONG_MAX ULLONG_MAX +#elif defined(__LONG_LONG_MAX__) +/* Otherwise, if GCC has a builtin define, use that. */ +#define PY_LLONG_MAX __LONG_LONG_MAX__ +#define PY_LLONG_MIN (-PY_LLONG_MAX-1) +#define PY_ULLONG_MAX (__LONG_LONG_MAX__*2ULL + 1ULL) +#else +/* Otherwise, rely on two's complement. */ +#define PY_ULLONG_MAX (~0ULL) +#define PY_LLONG_MAX ((long long)(PY_ULLONG_MAX>>1)) +#define PY_LLONG_MIN (-PY_LLONG_MAX-1) +#endif /* LLONG_MAX */ #endif #endif /* HAVE_LONG_LONG */ |