Re: git-coccinelle: adjustments for array.cocci?

[Markus Elfring <Markus.Elfring@xxxxxx>]

> --- array-released.diff	2019-11-14 21:29:11.020576916 +0100
> +++ array-reduced1.diff	2019-11-14 21:45:58.931956527 +0100
> @@ -6,24 +6,10 @@
>   	r->entry_count = t->entry_count;
>   	r->delta_depth = t->delta_depth;
>  -	memcpy(r->entries,t->entries,t->entry_count*sizeof(t->entries[0]));
> -+	COPY_ARRAY(r->entries, t->entries, t->entry_count);
> ++	memcpy(r->entries,t->entries,t->entry_count*sizeof(*(t->entries)));
>   	release_tree_content(t);
>   	return r;
>   }

Can another variant for a transformation rule help to clarify unexpected
software behaviour around data processing with the semantic patch language?

@@
expression dst, src, n, E;
type T;
T *ptr;
T[] arr;
@@
  memcpy(
(        dst, src, sizeof(
+                         *(
                            E
-                            [...]
+                          )
                          ) * n
|
        ptr, src, sizeof(
-                        *(ptr)
+                        T
                        ) * n
|       arr, src, sizeof(
-                        *(arr)
+                        T
                        ) * n
|       dst, ptr, sizeof(
-                        *(ptr)
+                        T
                        ) * n
|       dst, arr, sizeof(
-                        *(arr)
+                        T
                        ) * n
)
       )


elfring@Sonne:~/Projekte/git/lokal> spatch contrib/coccinelle/array-test3.cocci fast-import.c
…

Regards,
Markus