Re: [PATCH 16/16] fix handling of integer constant expressions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On Wed, Jun 27, 2007 at 01:29:59AM +0100, Derek M Jones wrote:
> Al Viro wrote:
> >>>Hopefully correct handling of integer constant expressions.  Please, 
> >>>review.
> >>Am I invoking sparse wrongly?  ./sparse -W -Wall doesn't diagnose
> >>the following TU, for example.
> >>
> >>extern int a;
> >>extern int as1[(a = 2)];
> >
> >sparse simply doesn't check that.  We don't have anything resembling
> >support of VLA.
> If it did support VLAs it would point out that this is
> a constraint violation.  VLAs must have block or function
> prototype scope.

I know.  It's just that "let's do something about array size checks"
triggers "yeah, but the poor sod who does that will have to sort
VLAs *and* gcc extensions around VLAs out", which is not a nice thought
and so far nobody had touched that area at all.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at
Please read the FAQ at

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux