On 04/23/2012 02:29 AM, Jean-Baptiste Rouault wrote:
> On Sunday 22 April 2012 10:35:59 Matthias Bolte wrote:
>> vboxArray is not castable to a COM item type. vboxArray is a
>> wrapper around the XPCOM and MSCOM specific array handling.
>>
>> In this case we can avoid passing NULL as an empty array to
>> IMachine::Delete by passing a dummy IMedium* array with a single
>> NULL item.
>> ---
>>
>> Jean-Baptiste, I can not reproduce the assertion you mentioned, or
>> I don't know where to look for it. So could you verify that is patch
>> avoids this assertion?
>>
>> + /* XPCOM doesn't like NULL as an array, even when the array size
>> is 0. + * Instead pass it a dummy array to avoid passing NULL. */
>> + IMedium *array[] = { NULL };
>> + machine->vtbl->Delete(machine, 0, array, &progress);
>> # endif
>> if (progress != NULL) {
>> progress->vtbl->WaitForCompletion(progress, -1);
>
> The patch is good, I don't get the assertion anymore.
Coupled with that functional test, I give my ACK to the code, as a much
nicer solution than my temporary build-breaker "fix" via a union hack.
--
Eric Blake eblake@xxxxxxxxxx +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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