sysdeps/mach/hurd/dirstream.h

   1 /* Copyright (C) 1993-2019 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    <http://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 */