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mruby-data/data.c (mrb_data_s_def): add member duplication check

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Yukihiro "Matz" Matsumoto
2023-05-25 08:52:30 +09:00
parent eeab289f87
commit 05f4831751
1 changed files with 11 additions and 0 deletions
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mrbgems/mruby-data/src/data.c
+11
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@@ -227,6 +227,17 @@ mrb_data_s_def(mrb_state *mrb, mrb_value klass)
id = mrb_obj_to_sym(mrb, RARRAY_PTR(rest)[i]);
mrb_ary_set(mrb, rest, i, mrb_symbol_value(id));
}
/* check member duplication */
mrb_int len = RARRAY_LEN(rest);
mrb_value *p = RARRAY_PTR(rest);
for (mrb_int i=0; i<len; i++) {
mrb_sym sym = mrb_symbol(p[i]);
for (mrb_int j=i+1; j<len; j++) {
if (sym == mrb_symbol(p[j])) {
mrb_raisef(mrb, E_ARGUMENT_ERROR, "duplicate member: %n", sym);
}
}
}
data = make_data_class(mrb, rest, mrb_class_ptr(klass));
if (!mrb_nil_p(b)) {
mrb_yield_with_class(mrb, b, 1, &data, data, mrb_class_ptr(data));