sysdeps/mach/hurd/lchown.c

   1 /* Copyright (C) 1991, 92, 94, 95, 96, 97 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <unistd.h>
  22 #include <hurd.h>
  23 #include <fcntl.h>
  24
  25 /* Change the owner and group of FILE; if it's a link, do the link and
  26    not the target.  */
  27 int
  28 __lchown (file, owner, group)
  29      const char *file;
  30      uid_t owner;
  31      gid_t group;
  32 {
  33   error_t err;
  34   file_t port = __file_name_lookup (file, O_NOLINK, 0);
  35   if (port == MACH_PORT_NULL)
  36     return -1;
  37   err = __file_chown (port, owner, group);
  38   __mach_port_deallocate (__mach_task_self (), port);
  39   if (err)
  40     return __hurd_fail (err);
  41   return 0;
  42 }
  43
  44 weak_alias (__lchown, lchown)