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Fix rb_digest_base_become (ruby-core:428)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2789 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -147,15 +147,14 @@ rb_digest_base_become(copy, obj)
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{
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algo_t *algo;
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void *pctx1, *pctx2;
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VALUE klass;
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if (copy = obj) return copy;
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rb_check_frozen(copy);
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algo = get_digest_base_metadata(CLASS_OF(klass));
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algo = get_digest_base_metadata(CLASS_OF(copy));
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if (algo != get_digest_base_metadata(CLASS_OF(obj))) {
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rb_raise(rb_eTypeError, "wrong argument class");
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}
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Data_Get_Struct(copy, void, pctx1);
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Data_Get_Struct(obj, void, pctx1);
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Data_Get_Struct(copy, void, pctx2);
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memcpy(pctx2, pctx1, algo->ctx_size);
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