[libvirt] [PATCH 2/2] python: return error if PyObject obj is NULL for unwrapper helper functions

[Eric Blake]

On 04/17/2012 11:45 AM, Guannan Ren wrote:
>     The result is indeterminate for NULL argument to python
>     functions as follows. It's better to return negative value in
>     these situations.
> 
>     PyObject_IsTrue will segfault if the argument is NULL
>     PyFloat_AsDouble(NULL) is -1.000000
>     PyLong_AsUnsignedLongLong(NULL) is 0.000000
> ---
>  python/typewrappers.c |   26 +++++++++++++++++++++++---
>  1 files changed, 23 insertions(+), 3 deletions(-)

ACK.

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

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