github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/soong/finder/fs/fs_darwin.go (about)

     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  }