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Rational denominator should not be zero.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2021-01-13 09:17:20 +09:00
parent c7d96dbf84
commit a639a39883
1 changed files with 3 additions and 0 deletions
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mrbgems/mruby-rational/src/rational.c
+3
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@@ -135,6 +135,9 @@ rational_new_i(mrb_state *mrb, mrb_int n, mrb_int d)
{
mrb_int a;
if (d == 0) {
mrb_raise(mrb, E_ZERODIV_ERROR, "divided by 0 in rational");
}
a = i_gcd(n, d);
if ((n == MRB_INT_MIN || d == MRB_INT_MIN) && a == -1) {
mrb_raise(mrb, E_RANGE_ERROR, "integer overflow in rational");