diff options
Diffstat (limited to 'ext/date/date_core.c')
| -rw-r--r-- | ext/date/date_core.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/ext/date/date_core.c b/ext/date/date_core.c index 040bfa3a15..84338c4eff 100644 --- a/ext/date/date_core.c +++ b/ext/date/date_core.c @@ -42,7 +42,13 @@ #define DAY_IN_SECONDS 86400 #define SECOND_IN_NANOSECONDS 1000000000 -#define DAY_IN_NANOSECONDS 86400000000000LL +#if (ULONG_MAX / DAY_IN_SECONDS) > SECOND_IN_NANOSECONDS +#define DAY_IN_NANOSECONDS LONG2NUM(DAY_IN_SECONDS * SECOND_IN_NANOSECONDS) +#elif defined HAVE_LONG_LONG +#define DAY_IN_NANOSECONDS LL2NUM((LONG_LONG)DAY_IN_SECONDS * SECOND_IN_NANOSECONDS) +#else +#define DAY_IN_NANOSECONDS f_mul(INT2FIX(DAY_IN_SECONDS), INT2FIX(SECOND_IN_NANOSECONDS)) +#endif /* copied from time.c */ #define NDIV(x,y) (-(-((x)+1)/(y))-1) @@ -4584,7 +4590,7 @@ Init_date_core(void) rzero = rb_rational_new1(INT2FIX(0)); rhalf = rb_rational_new2(INT2FIX(1), INT2FIX(2)); - day_in_nanoseconds = rb_ll2inum(DAY_IN_NANOSECONDS); + day_in_nanoseconds = DAY_IN_NANOSECONDS; rb_gc_register_mark_object(rzero); rb_gc_register_mark_object(rhalf); |