On Thu, 12 Sep 2019, Christoph Böhmwalder wrote:
> Hi,
>
> I'm having trouble removing const arguments from a function. I think this
> issue
> is best explained in code:
>
> $ cat repro.c
> f(int x,
> const unsigned a,
> const char *y)
> {
> }
>
> $ cat repro.cocci
> @@
> identifier a;
> @@
> f(...
> - , unsigned a
> + , unsigned b
> ,...)
> {
> ...
> }
>
> $ spatch --sp-file repro.cocci --very-quiet repro.c
> --- repro.c
> +++ /tmp/cocci-output-17454-200d33-repro.c
> @@ -1,5 +1,5 @@
> -f(int x,
> - const unsigned a,
> +f(int x
> + const, unsigned b,
> const char *y)
> {
> }
>
>
> When I try to remove some parameter(s) in the middle (in my real use case
> I'm trying to remove 2) the 'const' ends up in weird places.
>
> Obviously I've tried (with and without disable optional_qualifier):
>
> f(...
> - , const unsigned a
> + , const unsigned b
> ,...)
>
> but that gives:
>
> minus: parse error:
> File "repro.cocci", line 5, column 19, charpos = 45
> around = 'a',
> whole content = - , const unsigned a
>
> How can I tell coccinelle that I want a const here?
Sorry, it's not clear to me what you want to do. Do you want to verify
that there is a const before renaming the parameter? Could you do
const unsigned
-a
+b
?
julia
>
> Thanks,
> --
> Christoph Böhmwalder
> LINBIT | Keeping the Digital World Running
> DRBD HA — Disaster Recovery — Software defined Storage
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