RE: Perl_cando(), rooted logicals, and volume labels

[Dan Sugalski]

At 03:55 PM 3/21/00 -0600, Craig A. Berry wrote:
>At 02:23 PM 3/21/00 -0500, Dan Sugalski wrote:
> >At 01:15 PM 3/21/00 -0600, Craig A. Berry wrote:
> >>  This file hunting code should work (and in fact does so long as the 
> volume
> >>logical is not redefined) but it apparently never gets hit unless
> >>ALWAYS_DEFTYPES is enabled.
>
> >I bet this'd bite with older versions of perl and the -S switch. There's
> >no reason not to have some defensive code in there to catch it, though.
>
>Other than such code being difficult to write, difficult to test, and
>causing a potentially annoying performance hit :-(.  Not that such things
>have stopped us before :-).

It's not that tough actually. Do a quick $trnlnm to see if something pops 
up and, if it does, turn the name into a physical device spec instead.

>For starters, we could flag problems at build time by putting something like
>this in configure.com:

Dunno if that's much use, since it's really a runtime issue rather than a 
build time one.

I'd like to have some way to fix the problem for SYS$COMMON and suchlike 
linked directories, though I don't know how at the moment. :(

                                        Dan

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