Re: new *z*printf-gnu modules

[Bruno Haible]

I wrote:
> This is more hairy than you might think. Because of the GCC attribute syntax.
> 
> stdio.in.h does
> 
> /* Don't break __attribute__((format(printf,M,N))).  */
> #    define printf __printf__
> 
> because there are not many symbols that can be used in place of 'printf'.
> 
> Do you have an idea for doing this nicely?

#define printf(fmt,...) zprintf(fmt,__VA_ARGS__)

This is good enough, because no one uses printf as a function pointer.

Bruno