[PATCH] vfprint: validate nargs and argument-based offsets

[Kees Cook]

On Fri, Mar 02, 2012 at 12:01:57PM -0800, Paul Eggert wrote:
> Quite possibly there are other failures in vfprintf where errno is
> not properly set, and these bugs could be fixed by an additional patch,
> but it'd be nice if the nargs-validation patch did not introduce
> a further bug in this area.

Okay, I'll split it up.

-- 
Kees Cook                                            @outflux.net