Providing dprintf

[walter harms]

hi all,

perhaps its simpler to turn the problem on its head.
provide a bb_dprintf() and make it a configoption to disable it.
additional of being a _GNU_SOURCE :

from the man-page:
  These  functions  are  GNU extensions, not in C or POSIX.  Clearly, the
names were badly chosen.  Many systems (like MacOS)  have  incompatible
  functions  called  dprintf,  usually  some debugging version of printf,
perhaps with a prototype like ...


with bb_dprintf() its clear what the function does, and if you know what 
you are doing you can use your own dprintf().

re,
	walter



Rob Landley wrote:
>
>>Bernhard
> 
> If somebody else wants to handle this, I'm happy to stay far, far away from 
> the implementation details. :)
> 
> Don't use /tmp, by the way.  (We have a working directory.)
> 
> And we should definitely start to have a plaform.h to consolidate some of this 
> mess if we go down that path...
> 
> Rob
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