Re: pgsql-server: Use canonicalize_path for -D, GUC paths,

Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> >> None of these are correct. canonicalize_path is only intended for
> >> directory names not file names. (I think the same problem applies
> >> to several of your GUC variable changes, too.)
>
> > canonicalize_path changes \ to /, and trims the trailing slash.
>
> ... and probably breaks the GUC variables that represent search paths,
> rather than single file/directory names. Certainly canonicalizing those
> values in toto will not have the desired effects; you'd need to
> canonicalize the path elements after they are extracted.

OK, the only GUC I saw that was a list was preload_libraries, and this
patch fixes that.

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