[libvirt] hooks mechanism - possible source code bug
Daniel Veillard
veillard at redhat.com
Mon May 31 00:58:23 UTC 2010
On Fri, May 28, 2010 at 01:33:49PM +0200, Paolo Smiraglia wrote:
> I'm working on hooks mechanism. When I try to add some field in enum
>
> virHookQemuOp
>
> make command return me error
>
> $ util/hooks.c:***: error: negative width in bit-field
> 'verify_error_if_negative_size__'
>
> I think the error is caused by a little programming error in
>
> /src/util/hooks.c:74
>
> where the struct virHookLxcOp is allocated by macro VIR_ENUM_IMPL with
> dimension VIR_HOOK_QEMU_OP_LAST and not with VIR_HOOK_LXC_OP_LAST.
>
> A possible solution could be to apply the patch listed below.
>
>
> diff --git a/libvirt-20100528/src/util/hooks.c
> b/libvirt-20100528-pmchook/src/util/hooks.c
> index dec9223..482480d 100644
> --- a/libvirt-20100528/src/util/hooks.c
> +++ b/libvirt-20100528-pmchook/src/util/hooks.c
> @@ -71,7 +71,7 @@ VIR_ENUM_IMPL(virHookQemuOp, VIR_HOOK_QEMU_OP_LAST,
> "start",
> "stopped")
>
> -VIR_ENUM_IMPL(virHookLxcOp, VIR_HOOK_QEMU_OP_LAST,
> +VIR_ENUM_IMPL(virHookLxcOp, VIR_HOOK_LXC_OP_LAST,
> "start",
> "stopped")
Oops, my bad, I hope there isn't more QEMU/LXC cut and paste errors :-)
thanks for the report !
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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