1 // Copyright 2017 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package fs 16 17 import ( 18 "fmt" 19 "os" 20 "syscall" 21 "time" 22 ) 23 24 func (osFs) InodeNumber(info os.FileInfo) (number uint64, err error) { 25 sys := info.Sys() 26 darwinStats, ok := sys.(*syscall.Stat_t) 27 if ok { 28 return darwinStats.Ino, nil 29 } 30 return 0, fmt.Errorf("%v is not a *syscall.Stat_t", sys) 31 } 32 33 func (osFs) DeviceNumber(info os.FileInfo) (number uint64, err error) { 34 sys := info.Sys() 35 darwinStats, ok := sys.(*syscall.Stat_t) 36 if ok { 37 return uint64(darwinStats.Dev), nil 38 } 39 return 0, fmt.Errorf("%v is not a *syscall.Stat_t", sys) 40 } 41 42 func (osFs) PermTime(info os.FileInfo) (when time.Time, err error) { 43 sys := info.Sys() 44 darwinStats, ok := sys.(*syscall.Stat_t) 45 if ok { 46 return time.Unix(darwinStats.Ctimespec.Sec, darwinStats.Ctimespec.Nsec), nil 47 } 48 return time.Time{}, fmt.Errorf("%v is not a *syscall.Stat_t", sys) 49 } 50