On Fri, 2014-12-05 at 08:18 +0100, Julia Lawall wrote:
> On Thu, 4 Dec 2014, Joe Perches wrote:
> > Is it possible for coccinelle to look at the name
> > of a function that might be embedded in a format?
> > ie for:
> > void testme(void)
> > {
> > printf("testme: some message\n");
> > }
> > Can it find the "testme" embedded in a format string?
>
> Yes, by using python/ocaml:
>
> @r@
> char [] c;
> position p;
> identifier f;
> @@
>
> f(...,c@p,...)
>
> @script:ocaml@
> c << r.c;
> p << r.p;
> @@
>
> let ce = (List.hd p).current_element in
> if List.length(Str.split_delim (Str.regexp ce) c) > 1
> then Printf.printf "%s:%d: %s\n"
> (List.hd p).file (List.hd p).line c
Good to know, thanks.
> Here are some results:
>
> drivers/net/wireless/zd1211rw/zd_usb.c:1573: "%s usb_exit()\n"
[]
> The idea would be to replace these by %s and __func__? That would also be
> possible.
Yes and no.
A lot of these are function tracing style messages and
those should just be deleted.
Otherwise, yes.
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