Bruce Momjian <pgman@candle.pha.pa.us> writes:
> And then you have this case:

>       /usr/local/../bin/../..

AFAICS, the patch I just proposed handles this.

If I recall the code properly, we do not have to make canonicalize_path
remove embedded "." or ".." --- that is, we do not have to simplify

        /usr/local/../bin

But we do have to get rid of every trailing "." or "..", else there are
failure cases when we replace the trailing component with an ordinary
file name.

                        regards, tom lane

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