diff options
| -rw-r--r-- | mrbgems/mruby-rational/src/rational.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mrbgems/mruby-rational/src/rational.c b/mrbgems/mruby-rational/src/rational.c index a35f2f023..85b1dff07 100644 --- a/mrbgems/mruby-rational/src/rational.c +++ b/mrbgems/mruby-rational/src/rational.c @@ -236,6 +236,9 @@ rational_m_int(mrb_state *mrb, mrb_int n, mrb_int d) b = a % b; a = tmp; } + if ((n == MRB_INT_MIN || d == MRB_INT_MIN) && a == -1) { + mrb_raise(mrb, E_RANGE_ERROR, "integer overflow in rational"); + } return rational_new(mrb, n/a, d/a); } |