[libvirt] [PATCH] logging: make VIR_ERROR and friends preserve errno

[Eric Blake]

On 02/17/2011 04:01 AM, Jiri Denemark wrote:
>> Followup to commit 17e19add, and would have prevented the bug
>> independently fixed in commit 76c57a7c.
>>
> I would have implemented this as
> 
>      if (...)
> -        return;
> +        goto out;
> 
> ...
> 
>      VIR_FREE(msg);
> +
> +out:
> +    errno = saved_errno;
>  }

Yeah, that does look a bit nicer.

> 
> to avoid having to set errno in several places but I can live with your
> solution too :-)
> 
> ACK regardless on which one of the two versions you decide to push.

Pushed with the modification to use goto.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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