Patchset to make __func__ more visible

[Andrew Bartlett]

On Mon, 2013-11-04 at 10:29 +0100, Volker Lendecke wrote:
> On Mon, Nov 04, 2013 at 10:23:05PM +1300, Andrew Bartlett wrote:
> > On Mon, 2013-11-04 at 09:47 +0100, Volker Lendecke wrote:
> > > On Mon, Nov 04, 2013 at 09:13:59PM +1300, Andrew Bartlett wrote:
> > > > On Fri, 2013-11-01 at 13:11 +0100, Volker Lendecke wrote:
> > > > > Hi!
> > > > > 
> > > > > Attached find 2 patches that fix faulty DEBUG statements in
> > > > > one case by using __func__. I would like to see more use of
> > > > > this throughout our code, so I added another patch putting a
> > > > > hint into README.Coding.
> > > > 
> > > > I thought we were going to just fix the debug macro?  Last I remember
> > > > Jeremy had a patch, which mysteriously failed autobuild in some way. 
> > > 
> > > Ok. The fix would be to just remove all the function names
> > > in DEBUG statements, right? Or do you want me to just fix it
> > > and hard-code the now correct name again?
> > 
> > First, I do totally agree that incorrect function names in debug
> > statements are worse than useless, they are misleading and deceptive,
> > and we should fix them. 
> > 
> > The plan was, as I recall it:
> >  - sort out DEBUG() to just do the right thing.  I think what we agreed
> > was that was to always print the header, even in 'foreground' mode.  
> >  - stop typing in the function name into new code
> >  - clean up old code.
> > 
> > If for some reason we just can't get the first part of that plan to
> > work, then using __func__ is quite a reasonable fallback, but it's
> > probably best to use string pasting rather than %s eg: __func__ ": foo"
> 
> Does that really work everywhere? If I read the references
> right, __func__ is equivalent to
> 
> static const char __func__[] = "function-name";
> 
> Can we use this with auto-concatenation of adjacent strings?

Sorry, I simply assumed it was a macro of a string.  

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org