[RFC] PR6015, snprintf, glibc2.3 and all that...

[Benjamin Kosnik]

(Paolo, everybody is already subscribed to this list, so I've removed the 
cc's on purpose.)

> Now possibly I got a more detailed line of attach: if I understand well 
> the implementation of snprintf in glibc, it relies essentially on 
> fprintf. Now, we have a /builtin/ fprintf which we could probably 
> exploit! Other builtins are already used in v3, right?

.......right. I'm not quite sure this is the way to go though. I don't 
really know. I suggest you experiment and see what works.

> How exactly they work? I'm not very knowldedgeable about them... They do 
> not rely on an external libc, right? Do you think it would be possible 
> to force __builtin_fprintf to use the "C" locale unconditionally? It 
> would be great!

I don't know if __builtin_fprintf knows about locales.

Sorry, I'm not much help.

-benjamin