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Handle integer overflow in rational_s_new.

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Yukihiro "Matz" Matsumoto
2020-08-27 09:44:50 +09:00
parent e479a42757
commit 01dbbcd553
1 changed files with 9 additions and 8 deletions
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mrbgems/mruby-rational/src/rational.c
+9 -8
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@@ -109,26 +109,27 @@ rational_s_new(mrb_state *mrb, mrb_value self)
denominator = mrb_integer(denomv);
}
else {
mrb_float numf = (mrb_float)numerator;
mrb_float denomf = mrb_to_flo(mrb, denomv);
DROP_PRECISION(denomf, numerator, denomf);
DROP_PRECISION(denomf, numf, denomf);
numerator = (mrb_int)numf;
denominator = (mrb_int)denomf;
}
}
else {
mrb_float numf = mrb_to_flo(mrb, numv);
mrb_float denomf;
if (mrb_integer_p(denomv)) {
denominator = mrb_integer(denomv);
denomf = (mrb_float)mrb_integer(denomv);
}
else {
mrb_float denomf = mrb_to_flo(mrb, denomv);
DROP_PRECISION(denomf, numf, denomf);
denominator = (mrb_int)denomf;
denomf = mrb_to_flo(mrb, denomv);
}
DROP_PRECISION(numf, numf, denominator);
DROP_PRECISION(denomf, numf, denomf);
DROP_PRECISION(numf, numf, denomf);
denominator = (mrb_int)denomf;
numerator = (mrb_int)numf;
}
#endif