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Provide PY_LLONG_MAX on all systems having long long. 

Will backport to 2.5.
This commit is contained in:
Martin v. Löwis 2007-06-13 03:42:19 +00:00
parent de15cdf995
commit 2a71a47c95
1 changed files with 10 additions and 4 deletions
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14
Include/pyport.h
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@ -62,14 +62,20 @@ Used in: PY_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(__s390__)
/* Apparently, S390 Linux has long long, but no LLONG_MAX */
#define PY_LLONG_MAX 9223372036854775807LL
#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)
#define PY_ULLONG_MAX 18446744073709551615ULL
#endif /* LLONG_MAX */
#endif
#endif /* HAVE_LONG_LONG */