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 aix darwin dragonfly freebsd hurd js,wasm linux netbsd openbsd solaris 6 7package filepath 8 9import "strings" 10 11// IsAbs reports whether the path is absolute. 12func 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. 18func volumeNameLen(path string) int { 19 return 0 20} 21 22// HasPrefix exists for historical compatibility and should not be used. 23// 24// Deprecated: HasPrefix does not respect path boundaries and 25// does not ignore case when required. 26func HasPrefix(p, prefix string) bool { 27 return strings.HasPrefix(p, prefix) 28} 29 30func splitList(path string) []string { 31 if path == "" { 32 return []string{} 33 } 34 return strings.Split(path, string(ListSeparator)) 35} 36 37func abs(path string) (string, error) { 38 return unixAbs(path) 39} 40 41func join(elem []string) string { 42 // If there's a bug here, fix the logic in ./path_plan9.go too. 43 for i, e := range elem { 44 if e != "" { 45 return Clean(strings.Join(elem[i:], string(Separator))) 46 } 47 } 48 return "" 49} 50 51func sameWord(a, b string) bool { 52 return a == b 53} 54