Re: [PATCH] add usage-strings ci check and amend remaining usage strings

> Of there are some cases that are useful to do statically, with only local
> information, then using Coccinelle could be useful to get the problem out
> of the way once and for all.  Coccinelle doesn't support much processing
> of strings directly, but you can always write some python code to test the
> contents of a string and to create a new one.
>
> Let me know if you want to try this.  You can also check, eg the demo
> demos/pythontococci.cocci to see how to create code in a python script and
> then use it in a normal SmPL rule.
> ...
> If the context that you are interested in is in a called function or is in
> the calling context, then Coccinelle might not be the ideal choice.
> Coccinelle works on one function at a time, so to do anything
> interprocedural, you have to do some hacks.