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 <errno.h>
      19  #include <stddef.h>
      20  #include <dirent.h>
      21  #include <unistd.h>
      22  #include <dirstream.h>
      23  
      24  /* Seek to position POS in DIRP.  */
      25  /* XXX should be __seekdir ? */
      26  void
      27  seekdir (DIR *dirp, long int pos)
      28  {
      29    __libc_lock_lock (dirp->lock);
      30    (void) __lseek (dirp->fd, pos, SEEK_SET);
      31    dirp->size = 0;
      32    dirp->offset = 0;
      33    dirp->filepos = pos;
      34    __libc_lock_unlock (dirp->lock);
      35  }