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path/filepath: ignore dot for Dir(\\server\share)

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Dir(`\\server\share`) returns `\\server\share.`. Change Dir so it
returns `\\server\share` instead.

Fixes #18783

Change-Id: I9e0dd71ea6aea85e6c6114aaa4bb3bea3270d818
Reviewed-on: https://go-review.googlesource.com/35690
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Yasuhiro Matsumoto 2017-01-25 16:48:17 +09:00 committed by Alex Brainman
parent 769be04feb
commit 34b455da44
2 changed files with 5 additions and 0 deletions
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4
src/path/filepath/path.go
View File

@ -461,6 +461,10 @@ func Dir(path string) string {
i--
}
dir := Clean(path[len(vol) : i+1])
if dir == "." && len(vol) > 2 {
// must be UNC
return vol
}
return vol + dir
}

1
src/path/filepath/path_test.go
View File

@ -665,6 +665,7 @@ var windirtests = []PathTest{
{`c:\a\b`, `c:\a`},
{`c:a\b`, `c:a`},
{`c:a\b\c`, `c:a\b`},
{`\\host\share`, `\\host\share`},
{`\\host\share\`, `\\host\share\`},
{`\\host\share\a`, `\\host\share\`},
{`\\host\share\a\b`, `\\host\share\a`},