On Thu, 30 Apr 2020, Markus Elfring wrote:
> Hello,
>
> I have tried another tiny script out for the semantic patch language
> (according to the software combination “Coccinelle 1.0.8-00029-ga549b9f0”).
>
>
> @display@
> int i;
> @@
> return
> * -i
> ;
>
>
> Are the following search results worth for further software development
> considerations?
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/net/wireless/intersil/hostap/hostap_main.c
>
> elfring@Sonne:~/Projekte/Linux/next-patched> spatch
> ~/Projekte/Coccinelle/janitor/show_returns_of_negative_integers2.cocci
> drivers/net/wireless/intersil/hostap/hostap_main.c
> …
> @@ -328,7 +327,6 @@ int hostap_set_encryption(local_info_t *
> u16 val, old_val;
> int i, keylen, len, idx;
> char keybuf[WEP_KEY_LEN + 1];
> - enum { NONE, WEP, OTHER } encrypt_type;
>
> idx = local->crypt_info.tx_keyidx;
> if (local->crypt_info.crypt[idx] == NULL ||
> …
>
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/sound/drivers/opl3/opl3_midi.c
>
> elfring@Sonne:~/Projekte/Linux/next-patched> spatch
> ~/Projekte/Coccinelle/janitor/show_returns_of_negative_integers2.cocci
> sound/drivers/opl3/opl3_midi.c
> …
> @@ -136,7 +136,6 @@ static int opl3_get_voice(struct snd_opl
>
> /* This is our "allocation cost" table */
> enum {
> - FREE = 0, CHEAP, EXPENSIVE, END
> };
>
> /* Keeps track of what we are finding */
> …
>
>
> Why are source code places presented which do not contain a key word
> I was looking for this test approach?
I don't know. With --debug you can see that there are only two matches.
So maybe it is a pretty printing problem.
julia_______________________________________________
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