[libvirt] [PATCH] Centralize use of DEBUG macros

[Daniel P. Berrange]

On Fri, Oct 03, 2008 at 10:56:02AM -0400, Cole Robinson wrote:
> Daniel P. Berrange wrote:
> > On Thu, Oct 02, 2008 at 03:40:17PM -0400, Cole Robinson wrote:
> >> Currently the DEBUG and DEBUG0 macros are duplicated in
> >> every file that uses them. This patch moves the macros
> >> to internal.h, removes the needless duplication, and
> >> now every file gets them for free. Seems to work as
> >> expected in my testing.
> > 
> > Yes, if someone can confirm one question
> > 
> >> diff --git a/src/internal.h b/src/internal.h
> >> index d96504d..a3d48fa 100644
> >> --- a/src/internal.h
> >> +++ b/src/internal.h
> >> @@ -85,6 +85,9 @@ extern int debugFlag;
> >>      do { } while (0)
> >>  #endif /* !ENABLE_DEBUG */
> >>  
> >> +#define DEBUG(fmt,...) VIR_DEBUG(__FILE__, fmt, __VA_ARGS__)
> >> +#define DEBUG0(msg) VIR_DEBUG(__FILE__, "%s", msg)
> >> +
> > 
> > Will __FILE__ expand to the name of the file where the DEBUG
> > macro is defined - ie internal.h, or will it expand to the
> > name of the file where DEBUG() is called. Obviously the latter
> > is what we need.
> > 
> > Daniel
> 
> I was worried about that as well, but testing the patch I posted
> confirmed that __FILE__ expands to where the macro is called
> from, so no change in existing behavior.

Great,  ACK then

Daniel
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