sysdeps/unix/sysv/linux/rename.c

   1 /* Linux implementation for rename function.
   2    Copyright (C) 2016-2023 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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <stdio.h>
  20 #include <fcntl.h>
  21 #include <sysdep.h>
  22 #include <errno.h>
  23
  24 /* Rename the file OLD to NEW.  */
  25 int
  26 rename (const char *old, const char *new)
  27 {
  28 #if defined (__NR_rename)
  29   return INLINE_SYSCALL_CALL (rename, old, new);
  30 #elif defined (__NR_renameat)
  31   return INLINE_SYSCALL_CALL (renameat, AT_FDCWD, old, AT_FDCWD, new);
  32 #else
  33   return INLINE_SYSCALL_CALL (renameat2, AT_FDCWD, old, AT_FDCWD, new, 0);
  34 #endif
  35 }