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  }