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
	}

}

func fPhi(a, b string) string {
	aslash := strings.HasSuffix(a, "/") // ERROR "Redirect Phi based on Phi$"
	bslash := strings.HasPrefix(b, "/")
	switch {
	case aslash && bslash:
		return a + b[1:]
	case !aslash && !bslash:
		return a + "/" + b
	}
	return a + b
}

func main() {

Caio Marcelo de Oliveira Filho <******@****.***> 1514852203 -0800

// 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) {

					cmd = cmd[1:]
				}
				inquote = !inquote
			} else {
				b = append(b, c)
			}
			nslash = 0
			continue
		case '\\':
			nslash++
			continue
		}
		b = appendBSBytes(b, nslash)
		nslash = 0
		b = append(b, c)
	}
	return appendBSBytes(b, nslash), ""
}

// commandLineToArgv splits a command line into individual argument

	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
		}
	}

import com.google.common.base.CharMatcher;
import org.gradle.internal.file.FilePathUtil;

import java.util.ArrayDeque;
import java.util.Deque;

public class RelativePathParser {
    private static final CharMatcher IS_SLASH = CharMatcher.is('/');

    private final Deque<String> directoryPaths = new ArrayDeque<>();
    private final Deque<String> directoryNames = new ArrayDeque<>();
    private final int rootLength;

		} else {
			line = "// " + line
		}
		out = append(out, &ast.Comment{
			Slash: slash,
			Text:  line,
		})
	}
	if len(directives) > 0 {
		out = append(out, &ast.Comment{
			Slash: slash,
			Text:  "//",
		})
		for _, c := range directives {
			out = append(out, &ast.Comment{
				Slash: slash,
				Text:  c.Text,
			})
		}
	}
	return out
}