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path/filepath: windows drive letter cannot be a digit
R=golang-dev, r CC=golang-dev, mattn.jp https://golang.org/cl/5885056
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@ -814,6 +814,7 @@ type VolumeNameTest struct {
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var volumenametests = []VolumeNameTest{
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{`c:/foo/bar`, `c:`},
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{`c:`, `c:`},
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{`2:`, ``},
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{``, ``},
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{`\\\host`, ``},
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{`\\\host\`, ``},
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@ -35,9 +35,7 @@ func VolumeName(path string) (v string) {
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}
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// with drive letter
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c := path[0]
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if path[1] == ':' &&
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('0' <= c && c <= '9' || 'a' <= c && c <= 'z' ||
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'A' <= c && c <= 'Z') {
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if path[1] == ':' && ('a' <= c && c <= 'z' || 'A' <= c && c <= 'Z') {
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return path[:2]
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}
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// is it UNC
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