[Libvir] PATCH: make debug builds quiet by default

Daniel Veillard veillard at redhat.com
Sat Jan 19 10:11:26 UTC 2008

On Wed, Jan 16, 2008 at 09:56:16AM +0000, Richard W.M. Jones wrote:
> Daniel P. Berrange wrote:
> >How about this patch. I define VIR_DEBUG in src/internal.c. Each module
> >which wants to output debug messages adds
> >
> >  #define DEBUG(fmt,...) VIR_DEBUG("driver", fmt, __VA_ARGS__)
> >  #define DEBUG0(msg) VIR_DEBUG("driver", "%s", msg)
> >
> >Changing 'driver' to whatever their module name wants to be. All log
> >messages get the function name included
> +1, the patch looks fine to me.

  +1 too

> >If we want to take this further to allow apps to turn it on/off via their
> >own 'debug' flag instead of an env variable, then we need a logging API
> >and a way for applications to register a callback to receive log messages.
> I wouldn't bother making it too complicated.

  This can probably be added later easilly, once we have the centralized
function it's 'just' a matter of adding an extra debug switch in the API,
if the need arose, we can cook this up quickly.


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Daniel Veillard      | virtualization library  http://libvirt.org/
veillard at redhat.com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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