diff options
Diffstat (limited to 'ext/bigdecimal/bigdecimal.c')
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 8564730756..c9ff9406b6 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -102,6 +102,15 @@ bigzero_p(VALUE x) # define RRATIONAL_NEGATIVE_P(x) RTEST(rb_funcall((x), '<', 1, INT2FIX(0))) #endif +#ifdef PRIsVALUE +# define RB_OBJ_CLASSNAME(obj) rb_obj_class(obj) +# define RB_OBJ_STRING(obj) (obj) +#else +# define PRIsVALUE "s" +# define RB_OBJ_CLASSNAME(obj) rb_obj_classname(obj) +# define RB_OBJ_STRING(obj) StringValueCStr(obj) +#endif + /* * ================== Ruby Interface part ========================== */ @@ -2355,7 +2364,9 @@ BigDecimal_new(int argc, VALUE *argv, VALUE self) /* fall through */ case T_RATIONAL: if (NIL_P(nFig)) { - rb_raise(rb_eArgError, "can't omit precision for a Rational."); + rb_raise(rb_eArgError, + "can't omit precision for a %"PRIsVALUE".", + RB_OBJ_CLASSNAME(iniValue)); } return ToValue(GetVpValueWithPrec(iniValue, mf, 1)); |