1  /* Copyright (C) 2005-2023 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 <unistd.h>
      19  #include <sys/param.h>
      20  #ifdef HAVE_INLINED_SYSCALLS
      21  # include <errno.h>
      22  # include <sysdep.h>
      23  #endif
      24  
      25  
      26  ssize_t
      27  __readlink_chk (const char *__restrict path, char *__restrict buf, size_t len,
      28  		size_t buflen)
      29  {
      30    if (len > buflen)
      31      __chk_fail ();
      32  
      33    return __readlink (path, buf, len);
      34  }