On Tue, 4 Oct 2016, Nikolaus Rath wrote:
> Hello,
>
> In a set of C files, I would like to replace each instance of one type
> (struct fasel_foo) with another type (struct fasel_bar). For instance,
>
> char* fasel_foo_print(struct fasel_foo *ptr) {
> // ...
> return "this struct fasel_foo string should not change";
> }
>
> should become
>
> char* fasel_foo_print(struct fasel_bar *ptr) {
> // ...
> return "this struct fasel_foo string should not change";
> }
>
>
> Based on the LWN articles that I've read, this seems like the perfect
> use-case for coccinelle. However, somehow I'm struggling to write a
> patch for this. All the documentation that I could get my hands on seems
> to describe more abstract changes that require the use of variables -
> but as far as I can tell, I need something much simpler:
>
> @@
> "struct fasel_foo must be a type name!"
> @@
> - struct fasel_foo
> + struct fasel_bar
>
>
> ...if only I knew what to put between the @@.
Put nothing :) From the word struct it should figure out that it is
working on a type.
julia
>
> Can someone point me in the right direction?
>
>
> Best,
> -Nikolaus
>
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