1  /* Copyright (C) 1993-2023 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  #ifndef	_DIRSTREAM_H
      19  
      20  #define	_DIRSTREAM_H	1
      21  
      22  #include <libc-lock.h>
      23  
      24  /* Directory stream type.
      25  
      26     The Hurd directory format is the same as `struct dirent', so `readdir'
      27     returns a pointer into the buffer we read directory data into.  */
      28  
      29  struct __dirstream
      30    {
      31      void *__fd;			/* `struct hurd_fd' pointer for descriptor.  */
      32      char *__data;		/* Directory block.  */
      33      int __entry_data;		/* Entry number `__data' corresponds to.  */
      34      char *__ptr;		/* Current pointer into the block.  */
      35      int __entry_ptr;		/* Entry number `__ptr' corresponds to.  */
      36      size_t __allocation;	/* Space allocated for the block.  */
      37      size_t __size;		/* Total valid data in the block.  */
      38      __libc_lock_define (, __lock) /* Mutex lock for this structure.  */
      39    };
      40  
      41  #endif	/* dirstream.h */