sysdeps/mach/hurd/chown.c

   1 /* Copyright (C) 1991-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <stddef.h>
  20 #include <unistd.h>
  21 #include <hurd.h>
  22
  23 /* Change the owner and group of FILE.  */
  24 int
  25 __chown (const char *file, uid_t owner, gid_t group)
  26 {
  27   error_t err;
  28   file_t port = __file_name_lookup (file, 0, 0);
  29   if (port == MACH_PORT_NULL)
  30     return -1;
  31   err = __file_chown (port, owner, group);
  32   __mach_port_deallocate (__mach_task_self (), port);
  33   if (err)
  34     return __hurd_fail (err);
  35   return 0;
  36 }
  37 libc_hidden_def (__chown)
  38 weak_alias (__chown, chown)