stdio-common/renameat.c

   1 /* Copyright (C) 2005-2024 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    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <fcntl.h>
  20 #include <stdio.h>
  21
  22
  23 /* Rename the file OLD relative to OLDFD to NEW relative to NEWFD.  */
  24 int
  25 __renameat (int oldfd, const char *old, int newfd, const char *new)
  26 {
  27   if ((oldfd < 0 && oldfd != AT_FDCWD) || (newfd < 0 && newfd != AT_FDCWD))
  28     {
  29       __set_errno (EBADF);
  30       return -1;
  31     }
  32
  33   if (old == NULL || new == NULL)
  34     {
  35       __set_errno (EINVAL);
  36       return -1;
  37     }
  38
  39   __set_errno (ENOSYS);
  40   return -1;
  41 }
  42
  43 libc_hidden_def (__renameat)
  44 weak_alias (__renameat, renameat)
  45 stub_warning (renameat)