Lennart Poettering
c6134d3e2f
prefix_root() is equivalent to path_join() in almost all ways, hence let's remove it. There are subtle differences though: prefix_root() will try shorten multiple "/" before and after the prefix. path_join() doesn't do that. This means prefix_root() might return a string shorter than both its inputs combined, while path_join() never does that. I like the path_join() semantics better, hence I think dropping prefix_root() is totally OK. In the end the strings generated by both functon should always be identical in terms of path_equal() if not streq(). This leaves prefix_roota() in place. Ideally we'd have path_joina(), but I don't think we can reasonably implement that as a macro. or maybe we can? (if so, sounds like something for a later PR) Also add in a few missing OOM checks
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