[libvirt] [PATCH v2] util: forbid freeing const pointers

[Eric Blake]

On 07/16/2014 03:06 AM, Ján Tomko wrote:
> On 07/15/2014 10:04 PM, Eric Blake wrote:
>> Now that we've finally fixed all the violators, it's time to
>> enforce that any pointer to a const object is never freed (it
>> is aliasing some other memory, where the non-const original
>> should be freed instead).  Alas, the code still needs a normal
>> vs. Coverity version, but at least we are still guaranteeing
>> that the macro call evaluates its argument exactly once.
>>

>>
> 
> This patch compiles for me with clang 3.4.1 and all the three VIR_FREEs above
> cause a warning.

Good to know that clang will also flag violations of safe usage.

> 
> ACK
> 

Pushed.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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