[cfe-commits] [Patch] -Wformat: better handling of qualifiers on pointer arguments

[Jordan Rose]

Wow, nice idea. I would add "const volatile" to your test cases as well, even though I'm pretty sure "removeLocalVolatile" does the right thing.

(Also, typedefs? Or have we already canonicalized the type by this point?)


On Jul 31, 2012, at 3:25 AM, Hans Wennborg <hans at chromium.org> wrote:

> Hi all,
> 
> The attached patch makes Clang warn about passing in pointers to
> const-qualified types to scanf, such as passing in "const int*" for a
> "%d" format string.
> 
> It also ignores the volatile-qualifier, allowing to pass in a
> "volatile int*" pointer for a "%n" format string.
> 
> Please take a look!
> 
> Thanks,
> Hans
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