Re: PATCH: PR binutils/3186: symbol `.debug_abbrev' required but not present

[Pedro Alves <pedro_alves at portugalmail dot pt>]

Hi Nick,

Nick Clifton wrote:
> > Why not have a standard macro for this?
> >
> > #define STR_STRLEN_PAIR(STR) \
> >     STR, (sizeof (STR) - 1)
> >
> > Just a thought, I am not suggesting to go all over
> > the code base to adapt to something like this, but we
> > could make new code use something like this.

> Code improvements that remove the potential for bugs are always welcome. 
>  In this particular case you could always make the macro slightly more 
> intelligent, so that it could handle the NULL pointer, eg:
>
>   #define STR_STRLEN_PAIR(STR) \
>    (STR), (STR) ? sizeof (STR) - 1 : 0

Dough! I had tried:

#define STR_STRLEN_PAIR(STR) \
    (STR), (STR)==0 ? sizeof (STR) - 1 : 0

But that errors out on gcc 3.4 with:
main.c:15: error: initializer element is not constant
so I discarded that form :)

I'll put this on my lengthy todo for a rainy day. ;)

Cheers,
Pedro Alves