github.com/karrick/go@v0.0.0-20170817181416-d5b0ec858b37/src/os/error_unix.go (about)

     1  // Copyright 2009 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 os
     8  
     9  import "syscall"
    10  
    11  func isExist(err error) bool {
    12  	err = underlyingError(err)
    13  	return err == syscall.EEXIST || err == syscall.ENOTEMPTY || err == ErrExist
    14  }
    15  
    16  func isNotExist(err error) bool {
    17  	err = underlyingError(err)
    18  	return err == syscall.ENOENT || err == ErrNotExist
    19  }
    20  
    21  func isPermission(err error) bool {
    22  	err = underlyingError(err)
    23  	return err == syscall.EACCES || err == syscall.EPERM || err == ErrPermission
    24  }