1  /* Copyright (C) 1991-2023 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 <hurd.h>
      20  #include <hurd/paths.h>
      21  #include <fcntl.h>
      22  #include <string.h>
      23  
      24  /* Read the contents of the symbolic link FILE_NAME into no more than
      25     LEN bytes of BUF.  The contents are not null-terminated.
      26     Returns the number of characters read, or -1 for errors.  */
      27  ssize_t
      28  __readlink (const char *file_name, char *buf, size_t len)
      29  {
      30    return __readlinkat (AT_FDCWD, file_name, buf, len);
      31  }
      32  weak_alias (__readlink, readlink)