Re: [PATCH 0/1] MR8350: crypt32: Handle missing attributes in CDecodeSignedMsg_GetParam.

[Hans Leidekker (＠hans)]

Hans Leidekker (@hans) commented about dlls/crypt32/tests/msg.c:
> compare_signer_info((CMSG_SIGNER_INFO *)buf, &signer);
>          CryptMemFree(buf);
>      }
> +    size = 0;
> +    ret = CryptMsgGetParam(msg, CMSG_SIGNER_UNAUTH_ATTR_PARAM, 0, NULL, &size);
> +    ok(!ret, "CryptMsgGetParam succeeded unexpectedly\n");
> +    ok(GetLastError() == CRYPT_E_ATTRIBUTES_MISSING, "unexpected error %08lx\n", GetLastError());

You should set last error to a known value before calling CryptMsgGetParam() to confirm that this function sets it: `SetLastError(0xdeadbeef);`

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https://gitlab.winehq.org/wine/wine/-/merge_requests/8350#note_106990