sysdeps/mach/hurd/dirstream.h

   1 /* Copyright (C) 1993, 1994, 1995, 1996 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #ifndef _DIRSTREAM_H
  20
  21 #define _DIRSTREAM_H    1
  22
  23 #include <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     unsigned long int __allocation; /* Space allocated for the block.  */
  38     unsigned long int __size;   /* Total valid data in the block.  */
  39     __libc_lock_define (, __lock); /* Mutex lock for this structure.  */
  40   };
  41
  42 #endif  /* dirstream.h */