Author: martin.v.loewis Date: Wed Jun 13 05:42:55 2007 New Revision: 55949 Modified: python/branches/release25-maint/Include/pyport.h Log: Provide PY_LLONG_MAX on all systems having long long. Modified: python/branches/release25-maint/Include/pyport.h ============================================================================== --- python/branches/release25-maint/Include/pyport.h (original) +++ python/branches/release25-maint/Include/pyport.h Wed Jun 13 05:42:55 2007 @@ -62,14 +62,20 @@ #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 */