numeric.c: check zero division before modulo.

9b3b2a4c · Yukihiro "Matz" Matsumoto · caaa07f2 · 9b3b2a4c
Unverified Commit 9b3b2a4c authored Aug 03, 2021 by Yukihiro "Matz" Matsumoto
Hide whitespace changes
Inline Side-by-side

Showing with 1 addition and 0 deletions

src/numeric.c src/numeric.c +1 -0

No files found.
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -1118,6 +1118,7 @@ int_mod(mrb_state *mrb, mrb_value x)

  a = mrb_integer(x);
  if (mrb_integer_p(y) && a != MRB_INT_MIN && (b=mrb_integer(y)) != MRB_INT_MIN) {
+    if (b == 0) int_zerodiv(mrb);
    mrb_int mod = a % b;
    if ((a < 0) != (b < 0) && mod != 0) {
      mod += b;