[Libvir] [PATCH] Fixed integer wraparound in python binding

Daniel Veillard veillard at redhat.com
Wed Nov 15 10:47:37 UTC 2006


On Wed, Nov 15, 2006 at 02:41:55AM +0000, Daniel P. Berrange wrote:
> The attached patch fixes a problem with integrate wraparound in the python
> bindings. THe problem is thus:
> 
>  - the memory & max-memory fields in the virDomainInfo struct are
>    of type  'unsigned long'.
>  - The python bindings, however, then stick this into a python 'Int'
>    which is signed.
> 
> Now, on 64-bit this is not an issue. For DomU guests on 32-bit it is not
> an issue either, but for Dom0 XenD sets the max-memory field to be 
> 2^32-1  whcih causes wraparound when converting to python int.
> 
> This patch simply switches the python binding over to using a python Long
> which is 64 bits on all platforms.

  Dohh, sure, please push !

Daniel

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