[cfe-commits] [Patch] -Wformat: warn about using length modifiers with %n
kremenek at apple.com
Thu Aug 2 10:31:18 PDT 2012
C99 says you can use %n with the length modifiers 'hh', 'h', 'l', 'j', 'z', and 't'.
On Aug 1, 2012, at 6:43 AM, Hans Wennborg <hans at chromium.org> wrote:
> Hi all,
> As far as I know, using any length modifier with %n is undefined
> behavior. For some reason, Clang doesn't think so, but that's probably
> unintentional? The attached patch makes Clang warn about it.
> Please take a look.
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
More information about the cfe-commits