github.com/rigado/snapd@v2.42.5-go-mod+incompatible/osutil/fshelpers.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2017 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  package osutil
    20  
    21  import (
    22  	"os"
    23  	"syscall"
    24  )
    25  
    26  // FindGidOwning obtains UNIX group ID and name owning file `path`.
    27  func FindGidOwning(path string) (uint64, error) {
    28  	var stat syscall.Stat_t
    29  	if err := syscall.Stat(path, &stat); err != nil {
    30  		if err == syscall.ENOENT {
    31  			return 0, os.ErrNotExist
    32  		}
    33  		return 0, err
    34  	}
    35  
    36  	gid := uint64(stat.Gid)
    37  	return gid, nil
    38  }