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Re: RFA: Fix problem with trailing slashes in include paths on mingw

Zack Weinberg wrote:

Please also check all the above cases with a leading slash (or
backslash) but no drive letter; with a drive letter but no leading
slash (or backslash); and with neither a drive letter nor a leading
slash (or backslash); omitting, of course, those paths that when
transformed are vacuous or identical to already-tested cases.

Did you check these?

Sorry, I missed that when I typed in the tests.
/ and \ are OK, but // and \\ don't work. Otherwise the leading-(back)slash scenario
is the same as with leading-drive-and-backslash. Likewise with leading
drive letter but no leading slash. FWIW, I'm running these tests on MS Windows XP.

Ok, how about that:

/* While the native stat() on NT4 accepts trailing slashes, the
one on MS Windows 2000 / XP does not accept any trailing slashes
or backslashes, neither single nor double, except where they appear
as a drive root directory designator. So remove any trailing slashes
except for the first one after a colon. */

Better, but still not ideal, especially with your observation below
that this is cygwin-specific. (Just the trailing slashes, or slashes
and backslashes both?) On the theory that the whole problem is Cygwin
specific, I would say something like

NT4 accepts trailing slashes, but no trailing backslashes.

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