Rusty Russell aa5c7e763f libplugin: make set callback for options take plugin ptr, check correct type. ...

I added a plugin arg and was surprised that compile didn't break.
This is because typesafe_cb et al are conditional casts: if the type
isn't as expected it has no effect, but we're passing plugin_option() through
varargs, so everything is accepted!

Add a noop inline to check type, and fix up the two cases where we
used `const char *` instead of `char *`.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

2023-06-20 20:08:25 +09:30

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