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Re: [libvirt] [PATCH v2] Fix dbus message reading code on big endian hosts

On 07/29/2013 10:40 AM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange redhat com>
> The way we were casting small (<32bit) integers was broken
> on big endian hosts, causing stack smashing. This was detected
> in the test suite either by test failures due to incorrect
> results, or by libc/gcc abort'ing with its stack canary
> triggered.
> In v2:
>  - Added missing change to virdbus.c

The v2 designation can be trimmed before you push; it helps review, but
doesn't need to live in libvirt.git.

>          case DBUS_TYPE_UINT16:
> -            GET_NEXT_VAL(dbus_uint16_t, unsigned int, "%d");
> +            GET_NEXT_VAL(dbus_uint16_t, short unsigned, "%d");

Works, but 'unsigned short' is a bit more typical.


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

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