if n <= uint32(len(buf)) {
			return UTF16ToString(buf[:n]), nil
		}
	}
}

func isSlash(c uint8) bool {
	return c == '\\' || c == '/'
}

func normalizeDir(dir string) (name string, err error) {
	ndir, err := FullPath(dir)
	if err != nil {
		return "", err
	}
	if len(ndir) > 2 && isSlash(ndir[0]) && isSlash(ndir[1]) {
		// dir cannot have \\server\share\path form
		return "", EINVAL
	}

	if l := len(path); l >= 5 && isSlash(path[0]) && isSlash(path[1]) &&
		!isSlash(path[2]) && path[2] != '.' {
		// first, leading `\\` and next shouldn't be `\`. its server name.
		for n := 3; n < l-1; n++ {
			// second, next '\' shouldn't be repeated.
			if isSlash(path[n]) {
				n++
				// third, following something characters. its share name.
				if !isSlash(path[n]) {
					if path[n] == '.' {
						break

	}
	// Same as singleJoiningSlash, but uses EscapedPath to determine
	// whether a slash should be added
	apath := a.EscapedPath()
	bpath := b.EscapedPath()

	aslash := strings.HasSuffix(apath, "/")
	bslash := strings.HasPrefix(bpath, "/")

	switch {
	case aslash && bslash:
		return a.Path + b.Path[1:], apath + bpath[1:]
	case !aslash && !bslash:
		return a.Path + "/" + b.Path, apath + "/" + bpath
	}

// See-also: https://github.com/golang/go/issues/44290
func singleJoiningSlash(a, b string) string {
	aslash := strings.HasSuffix(a, "/")
	bslash := strings.HasPrefix(b, "/")
	switch {
	case aslash && bslash:
		return a + b[1:]
	case !aslash && !bslash:
		return a + "/" + b
	}
	return a + b
}

func (h *UpgradeAwareHandler) DialForUpgrade(req *http.Request) (net.Conn, error) {

	if len(fieldSelector) == 0 {
		return nil
	}

	terms := make([]string, 0, 1)
	startIndex := 0
	inSlash := false
	for i, c := range fieldSelector {
		switch {
		case inSlash:
			inSlash = false
		case c == '\\':
			inSlash = true
		case c == ',':
			terms = append(terms, fieldSelector[startIndex:i])
			startIndex = i + 1
		}
	}

        expect:
        extendsString.wildcard
        superString.wildcard
        objects.wildcard
        anything.wildcard

        !extendsString.isClass()
        !superString.isClass()
        !objects.isClass()
        !anything.isClass()

        extendsString.rawClass == String
        superString.rawClass == Object
        objects.rawClass == Object
        anything.rawClass == Object

	// work.
	var period int
	// slash+1: if there's no slash, the value is -1 and start is 0; otherwise
	// start is the byte after the slash.
	for start := slash + 1; start < len(arg); start = period + 1 {
		period = strings.Index(arg[start:], ".")
		symbol := ""
		if period < 0 {
			period = len(arg)
		} else {
			period += start
			symbol = arg[period+1:]
		}

                artifactSelector.name == 'foo'
                artifactSelector.type == 'jar'
                artifactSelector.extension == 'jar'
                artifactSelector.classifier == 'classy'
                isLast()
            }
        }
    }

    @Issue("https://github.com/gradle/gradle/issues/26996")
    def "BOMs are not published multiple times"() {
        given:

	{"foo/BAR", map[string]string{"space": "With space"}, `foo/bar; space="With space"`},
	{"foo/BAR", map[string]string{"quote": `With "quote`}, `foo/bar; quote="With \"quote"`},
	{"foo/BAR", map[string]string{"bslash": `With \backslash`}, `foo/bar; bslash="With \\backslash"`},
	{"foo/BAR", map[string]string{"both": `With \backslash and "quote`}, `foo/bar; both="With \\backslash and \"quote"`},
	{"foo/BAR", map[string]string{"": "empty attribute"}, ""},

	// ReportNotFound will return errFileNotFound if all disks reports the BaseDir cannot be found.
	ReportNotFound bool

	// FilterPrefix will only return results with given prefix within folder.
	// Should never contain a slash.
	FilterPrefix string

	// ForwardTo will forward to the given object path.
	ForwardTo string

	// Limit the number of returned objects if > 0.
	Limit int

	// DiskID contains the disk ID of the disk.