On 09/09/2012 09:01 AM, Bruno Haible wrote:
> Andreas, we have to be clear what API gnulib should offer.
> (a) the ability to use %n in every format string, or
> (b) the ability to use %n in read-only format strings only, and
> reject them on writable format strings.
Another option is
(c) the ability to use %n in read-only format strings only
i.e., with undefined behavior if programs attempt to use %n
in writable strings. As I understand it, this is the patch that
Andreas submitted. If we take this approach, then we still
need to do your steps 1 (gain agreement) and 2 (document the
change), but we wouldn't need to do step 3 (reject uses of
%n in writable memory), which would be less work.
