This still seems to be GCC-incompatible. Per the GCC documentation,
"__attribute__((nonnull))" on a pointer-to-function parameter means that
all of *that* function's parameters can't be null. For instance:
void f(int (*p)(int *a, int *b) __attribute__((nonnull))) {
if (p)
p(0, 0); // #1
}
void g() { f(0); } // #2
GCC warns on line #1, Clang warns on line #2.
On Tue Feb 11 2014 at 9:40:01 AM, Aaron Ballman <[email protected]>
wrote:
> On Tue, Feb 11, 2014 at 12:37 PM, Jordan Rose <[email protected]>
> wrote:
> >
> > On Feb 11, 2014, at 9:36 , Aaron Ballman <[email protected]> wrote:
> >
> > + if (D->getFunctionType()) {
> > + handleNonNullAttr(S, D, Attr);
> > + } else {
> > + S.Diag(Attr.getLoc(), diag::warn_attribute_nonnull_parm_no_args)
> > + << D->getSourceRange();
> > + }
> >
> >
> > Minor nit about the style -- shouldn't be using the curly braces here.
> >
> >
> > Uh...hm. I tried it without the curly braces, but it looked very strange
> > with the << dangling there. Should I add a dummy comment to justify it?
>
> I'm not too keen on dummy comments. If you think it's ugly without the
> braces, I'm fine with leaving them. :-)
>
> ~Aaron
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