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numeric.c: check zero division before modulo.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2021-08-03 16:45:08 +09:00
parent caaa07f2da
commit 9b3b2a4c95
1 changed files with 1 additions and 0 deletions
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src/numeric.c
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@@ -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;