On 04/22/2011 10:31 AM, Christophe Fergeau wrote:
> On Fri, Apr 22, 2011 at 10:17:01AM -0600, Eric Blake wrote:
>> On 04/22/2011 10:11 AM, Matthias Bolte wrote:
>>> remoteDispatchError(rerr);
>>> - VIR_FREE(ret->names.names_len);
>>> + VIR_FREE(ret->names.names_val);
>>
>> And to think I missed those in the huge patch. Oops.
>
> Maybe VIR_FREE should be changed to something like
>
> -# define VIR_FREE(ptr) virFree(&(ptr))
> +# define VIR_FREE(ptr) \
> + do { void *check_type = (ptr); virFree(&(check_type)); } while (0)Not quite. That assigns check_type to NULL, rather than the intended assignment of ptr. But the idea has merit; I'll see if I can come up with a variant that still evaluates ptr only once, by wrapping the type check in a sizeof hack. > I also get more warnings about casting from const to non-const, this can > be avoided by making check_type const void *, but maybe these warnings > indicate that something that shouldn't be freed is freed. How many warnings? If it's only a handful, we should start investigating; if it's lots, then I'm not sure how much it buys us. -- Eric Blake [email protected] +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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