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Re: [Qemu-block] [PATCH v7 for-2.12 24/25] block/curl: Implement bdrv_re

From: Alberto Garcia
Subject: Re: [Qemu-block] [PATCH v7 for-2.12 24/25] block/curl: Implement bdrv_refresh_filename()
Date: Fri, 08 Dec 2017 17:14:19 +0100
User-agent: Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu)

On Fri 08 Dec 2017 02:47:52 PM CET, Max Reitz <address@hidden> wrote:

>>>>> +static void curl_refresh_filename(BlockDriverState *bs)
>>>>> +{
>>>>> +    BDRVCURLState *s = bs->opaque;
>>>>> +
>>>>> +    if (!s->sslverify || s->cookie ||
>>>>> +        s->username || s->password || s->proxyusername || 
>>>>> s->proxypassword)
>>>>> +    {
>>>> Is !s->sslverify negative because that setting is true by default?
>>> Yes, exactly.  If it's false, you'd need to override it (and you can't
>>> do that through a plain filename).
>> I think this is not the only case in this series, but I'm not very
>> comfortable with the idea that this condition and the default value
>> of the setting are implicity dependent on each other. If you change
>> one and forget to change the other things will break.
> Well, yes, but...
>> I understand that the default value is never supposed to change so in
>> practice I don't see this breaking,
> Yes.
>> but is it perhaps worth adding tests for all these cases?
> In theory, sure.  In practice, adding a curl test case seems hard.

Indeed, I though it would perhaps be possible to create a curl BDS to
this without having to perform an actual connection, but never mind if
it's not possible / too complicated.

> Also, adding macros for the default values could help, I think.



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