1 // Copyright 2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris 6 7 package filepath 8 9 import "strings" 10 11 // IsAbs reports whether the path is absolute. 12 func IsAbs(path string) bool { 13 return strings.HasPrefix(path, "/") 14 } 15 16 // volumeNameLen returns length of the leading volume name on Windows. 17 // It returns 0 elsewhere. 18 func volumeNameLen(path string) int { 19 return 0 20 } 21 22 // HasPrefix exists for historical compatibility and should not be used. 23 func HasPrefix(p, prefix string) bool { 24 return strings.HasPrefix(p, prefix) 25 } 26 27 func splitList(path string) []string { 28 if path == "" { 29 return []string{} 30 } 31 return strings.Split(path, string(ListSeparator)) 32 } 33 34 func abs(path string) (string, error) { 35 return unixAbs(path) 36 } 37 38 func join(elem []string) string { 39 // If there's a bug here, fix the logic in ./path_plan9.go too. 40 for i, e := range elem { 41 if e != "" { 42 return Clean(strings.Join(elem[i:], string(Separator))) 43 } 44 } 45 return "" 46 } 47