Lennart Poettering
aa3cc58a9f
One of the niceties of recurse_dir()/recurse_dir_at() is that the path argument is decoration, it's not used for actually accessing the fs in anyway. That's very handy in environments where chroots and relative paths are used, as we can path in any path we like and the recursion function will suffix with whatever it discovers but will not try to make sense of the prefix you pass. This works great, except that the recurse_dir_at() wrapper broke that: it adjusted the path if NULL to "." simply for the sake of making openat() on the top work. Let's make this adjustment more local and do it only for the openat() itself, and otherwise pass the path through the way we got it. This means: if a caller really wants the paths that are concatenated to start with a "." it can just pass that. This way the caller gets full control back of the path prefix. Win! Note that all current users of recurse_dir_at() don't pass NULL as second arg, hence this check is without any real effect for now. It's preparation for future uses however.
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