// empty block
			r++
		case path[r] == '.' && (r+1 == n || os.IsPathSeparator(path[r+1])):
			// /./
			r++
		case r+1 < n && path[r] == '.' && path[r+1] == '.' && (r+2 == n || os.IsPathSeparator(path[r+2])):
			// /../ is currently unhandled
			return path
		default:
			pathbuf[w] = '\\'
			w++
			for ; r < n && !os.IsPathSeparator(path[r]); r++ {
				pathbuf[w] = path[r]
				w++
			}
		}

package mountinfo

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

// Tests cross device mount verification function, for both failure
// and success cases.
func TestCrossDeviceMountPaths(t *testing.T) {
	successCase := `/dev/0 /path/to/0/1 type0 flags 0 0
		/dev/1    /path/to/1   type1	flags 1 1
		/dev/2 /path/to/1/2 type2 flags,1,2=3 2 2
                /dev/3 /path/to/1.1 type3 flags,1,2=3 3 3
		`
	var err error

func IsLikelyMountPoint(path string) bool {
	path = filepath.Dir(path)
	if v, ok := mountPointCache.Load(path); ok {
		return v.(bool)
	}
	wpath, _ := windows.UTF16PtrFromString(path)
	wvolume := make([]uint16, len(path)+1)

	if err := windows.GetVolumePathName(wpath, &wvolume[0], uint32(len(wvolume))); err != nil {
		mountPointCache.Store(path, false)
		return false
	}

	_, err := storageUpdateMetadataRPC.Call(ctx, client.gridConn, &MetadataHandlerParams{
		DiskID:     *client.diskID.Load(),
		Volume:     volume,
		FilePath:   path,
		UpdateOpts: opts,
		FI:         fi,
	})
	return toStorageErr(err)
}

	return nil
}

func getValidPath(path string) (string, error) {
	if path == "" {
		return path, errInvalidArgument
	}

	var err error
	// Disallow relative paths, figure out absolute paths.
	path, err = filepath.Abs(path)
	if err != nil {
		return path, err
	}

	fi, err := Lstat(path)
	if err != nil && !osIsNotExist(err) {
		return path, err
	}
	if osIsNotExist(err) {

			}

			subrouter := router.PathPrefix(path.Join(storageRESTPrefix, endpoint.Path)).Subrouter()

			subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodHealth).HandlerFunc(h(server.HealthHandler))
			subrouter.Methods(http.MethodPost).Path(storageRESTVersionPrefix + storageRESTMethodAppendFile).HandlerFunc(h(server.AppendFileHandler))

func (o *ObjectKey) keyString() string {
	if o.Lit != nil {
		return string(*o.Lit)
	}
	return o.ID.String()
}

// getLastKeypathComponent checks if the given expression is a path
// expression, and if so extracts the last dot separated component of
// the path. Otherwise it returns false.
func getLastKeypathComponent(e *Expression) (string, bool) {
	if len(e.And) > 1 ||
		len(e.And[0].Condition) > 1 ||

			Description: `namespace prefix to isolate tenants` + defaultHelpPostfix(PathPrefix),
			Optional:    true,
			Type:        "path",
		},
		config.HelpKV{
			Key:         CoreDNSPath,
			Description: `shared bucket DNS records` + defaultHelpPostfix(CoreDNSPath),
			Optional:    true,
			Type:        "path",
		},
		config.HelpKV{
			Key:         ClientCert,

		subrouter.Methods(http.MethodPost).Path("/v1/health").HandlerFunc(lockServer.HealthHandler)
		subrouter.Methods(http.MethodPost).Path("/v1/refresh").HandlerFunc(lockServer.RefreshHandler)
		subrouter.Methods(http.MethodPost).Path("/v1/lock").HandlerFunc(lockServer.LockHandler)
		subrouter.Methods(http.MethodPost).Path("/v1/rlock").HandlerFunc(lockServer.RLockHandler)

				globalBucketHTTPStats.updateHTTPStats(bucket, api, tc.ResponseRecorder)
			}
		}
	}
}

// Returns "/bucketName/objectName" for path-style or virtual-host-style requests.
func getResource(path string, host string, domains []string) (string, error) {
	if len(domains) == 0 {
		return path, nil
	}

	// If virtual-host-style is enabled construct the "resource" properly.
	xhost, err := xnet.ParseHost(host)
	if err != nil {