On Wed, 2007-10-10 at 11:08 -0700, Josh Triplett wrote:
> Sparse has a notion of "integer constant expression" already, which it
> uses to validate expressions used for things like bitfield widths or
> array sizes. I could easily have Sparse warn on any use of an integer
> constant expression as an operand of || or &&. However, I can imagine
> that that might lead to some false positives when intentionally using
> an integer constant expression in a condition and expecting the
> compiler to optimize it out at compile time.
I can imagine 0 or 1 being used, maybe -1, but hardly anything else.
Maybe you could add the code printing the value and then get some
statics on the actual Linux kernel to see which values are common and
which are not?
--
Regards,
Pavel Roskin
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