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numeric.c (cmpnum): restrict comparison between Numeric objects

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2024-06-25 14:36:56 +09:00
parent bb2733e9a2
commit b521d0816f
1 changed files with 10 additions and 0 deletions
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src/numeric.c
+10
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@@ -1884,6 +1884,9 @@ cmpnum(mrb_state *mrb, mrb_value v1, mrb_value v2)
#ifdef MRB_NO_FLOAT /* integer version */
if (!mrb_fixnum_p(v2)) {
if (!mrb_obj_is_kind_of(mrb, v2, mrb_class_get_id(mrb, MRB_SYM(Numeric)))) {
return -2;
}
v1 = mrb_funcall_argv(mrb, v2, MRB_OPSYM(cmp), 1, &v1);
if (mrb_integer_p(v1)) {
return -mrb_integer(v1);
@@ -1910,6 +1913,13 @@ cmpnum(mrb_state *mrb, mrb_value v1, mrb_value v2)
y = mrb_as_float(mrb, v2);
break;
default:
if (!mrb_obj_is_kind_of(mrb, v2, mrb_class_get_id(mrb, MRB_SYM(Numeric)))) {
return -2;
}
/* fall through */
#ifdef MRB_USE_COMPLEX
case MRB_TT_COMPLEX:
#endif
v1 = mrb_funcall_argv(mrb, v2, MRB_OPSYM(cmp), 1, &v1);
if (mrb_fixnum_p(v1)) {
return -mrb_integer(v1);