[patch] Fix compiler warnings

[Stephen Gran]

On Wed, Sep 22, 2010 at 09:19:18AM +0200, Michael Friedrich said:
> Hi,
> 
> Instead of adding another function doing pretty much the same, but
> without any variable arguments on the function call, you might have a
> look at Andreas Ericsson's patch by checking fmt for NULL, and
> replacing the string literal by NULL.
> 
> http://git.op5.org/git/?p=nagios.git;a=commit;h=bd8eb5927b2e2fe22b36601181d138acbba27e3a
> 
> It's nicely resolved and keeps the upstream clean for other NULL'ed
> arguments.

Hi,

Oh, I didn't notice that one when looking at this.  I thought about
doing something very similar (but mine used strlen instead of a NULL
check), but in the end I opted for a separate function because I prefer
to not abuse variadic functions with NULL input.  YMMV, of course - both
are valid, this is just my preference.

Cheers,
-- 
 --------------------------------------------------------------------------
|  Stephen Gran                  | An optimist believes we live in the     |
|  steve at lobefin.net             | best world possible; a pessimist fears  |
|  http://www.lobefin.net/~steve | this is true.                           |
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