io/fchmodat.c

   1 /* Change the protections of file relative to open directory.  Stub version.
   2    Copyright (C) 2006, 2007 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <fcntl.h>
  21 #include <stddef.h>
  22 #include <unistd.h>
  23 #include <sys/types.h>
  24
  25 int
  26 fchmodat (fd, file, mode, flag)
  27      int fd;
  28      const char *file;
  29      mode_t mode;
  30      int flag;
  31 {
  32   if (file == NULL || (flag & ~AT_SYMLINK_NOFOLLOW) != 0)
  33     {
  34       __set_errno (EINVAL);
  35       return -1;
  36     }
  37
  38   if (fd < 0 && fd != AT_FDCWD)
  39     {
  40       __set_errno (EBADF);
  41       return -1;
  42     }
  43
  44   __set_errno (ENOSYS);
  45   return -1;
  46 }
  47 stub_warning (fchmodat)
  48
  49 #include <stub-tag.h>