[cfe-commits] [Patch] -Wformat: warn about using length modifiers with %n
kremenek at apple.com
Thu Aug 2 10:43:53 PDT 2012
No worries. Thanks for doing this.
On Aug 2, 2012, at 10:35 AM, Hans Wennborg <hans at chromium.org> wrote:
> On Thu, Aug 2, 2012 at 6:31 PM, Ted Kremenek <kremenek at apple.com> wrote:
>> C99 says you can use %n with the length modifiers 'hh', 'h', 'l', 'j', 'z', and 't'.
> My apologies, apparently I can't read. I'll update the patch.
>> 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.
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>>> cfe-commits at cs.uiuc.edu
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