sysdeps/mach/hurd/dirstream.h

   1 /* Copyright (C) 1993,94,95,96,97,2002 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _DIRSTREAM_H
  20
  21 #define _DIRSTREAM_H    1
  22
  23 #include <bits/libc-lock.h>
  24
  25 /* Directory stream type.
  26
  27    The Hurd directory format is the same as `struct dirent', so `readdir'
  28    returns a pointer into the buffer we read directory data into.  */
  29
  30 struct __dirstream
  31   {
  32     void *__fd;                 /* `struct hurd_fd' pointer for descriptor.  */
  33     char *__data;               /* Directory block.  */
  34     int __entry_data;           /* Entry number `__data' corresponds to.  */
  35     char *__ptr;                /* Current pointer into the block.  */
  36     int __entry_ptr;            /* Entry number `__ptr' corresponds to.  */
  37     size_t __allocation;        /* Space allocated for the block.  */
  38     size_t __size;              /* Total valid data in the block.  */
  39     __libc_lock_define (, __lock) /* Mutex lock for this structure.  */
  40   };
  41
  42 #endif  /* dirstream.h */